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CAUSATION

See  AccidentOccupational Disease

If the evidence shows that it is just as probable that the disability resulted from a cause which is not compensable, as it is that it resulted from one which is compensable, the claimant has not sustained his burden of proof. Bergmann v. L&W Drywall, 222 Va. 30, 32, 278 S.E.2d 801, 802 (1981). But where a disability has two causes: one related to the employment and one unrelated to the employment, full benefits will be allowed. Bergmann v. L&W Drywall, 222 Va. 30, 32, 278 S.E.2d 801, 803 (1981). The "two causes rule" addresses those cases "where a disability has two causes: one related to the employment and one unrelated." Smith v. Fieldcrest Mills, Inc., 224 Va. 24, 28, 294 S.E.2d 805, 808 (1982) (quoting Bergmann v. L & W Drywall, 222 Va. 30, 32, 278 S.E.2d 801, 803 (1981)); see also Shelton v. Ennis Business Forms, 1 Va. App. 53, 55, 334 S.E.2d 297, 299 (1985). Under the two causes rule, "full benefits [are] allowed when it is shown that `the employment is a contributing factor." Smith, 224 Va. at 28-29, 294 S.E.2d at 808 (quoting Bergmann, 222 Va. at 32, 278 S.E.2d at 803); see also Shelton, 1 Va. App. at 55, 334 S.E.2d at 299. The "more probable than not rule," addresses those cases where only one of a number of possible factors caused the disability. See id. Under the more probable than not rule, for the disability to be compensable, it must be more probable than not that it was caused by the work-related factor. Id. That is, a preponderance of evidence must show that work-related factor was the cause of the disability. Id.

Two Causes Rule vs. More Probable Than Not Rule.  The Workers' Compensation Commission did not err in awarding temporary total disability benefits to claimant upon her change-in-condition application. Claimant had pre-existing knee problems when she injured her right knee in a compensable accident. The pertinent findings and conclusions of claimant's treating physician may be stated as follows: (1) Claimant's 1998 and 1999 surgeries on her right knee resulted in claimant's temporary incapacity to work; (2) the condition of claimant's right knee necessitated the 1998 and 1999 surgeries; and (3) while primarily caused by the pre-existing degenerative knee disease, the condition of claimant's right knee necessitating the 1998 and 1999 surgeries was also caused, to some small degree, by claimant's 1996 compensable work-related injury.
    In proving causation in a workers' compensation case where the evidence demonstrates two or more potential causative factors, one of two conclusions follows. Either, a combination of factors contributed to cause the disability; or, one of the factors caused the disability to the exclusion of the others. The "two causes rule" addresses those cases "where a disability has two causes: one related to the employment and one unrelated."  Under the two causes rule, "full benefits [are] allowed when it is shown that 'the employment is a contributing factor.'"  
    The "more probable than not rule," addresses those cases where only one of a number of possible factors caused the disability.  Under the more probable than not rule, for the disability to be compensable, it must be more probable than not that it was caused by the work-related factor.  That is, a preponderance of evidence must show that work was the cause of the disability.
  Duffy v. Commonwealth/Dep't of State Police, 22 Va. App. 245, 251, 468 S.E.2d 702, 705 (1996) (citations omitted) (alteration in original). 
    Here, the evidence proved that the need for claimant's 1998 and 1999 knee surgeries was caused by two factors: the non-work-related degenerative condition and the compensable 1996 work-related injury.  The extent or degree to which the work-related cause contributed is not important. It matters only that the work-related cause contributed in some part to claimant's disability.  See Ford Motor Co. v. Hunt, 26 Va. App. 231, 237-38, 494 S.E.2d 152, 155 (1997) (applying "two causes" rule even though claimant's treating physician opined that disability was "mainly" caused by non-work-related condition). Thus, under the "two causes" rule, full benefits are allowed for claimant's disability.  Henrico County School Board v. Cathy Mae B. EtterRecord No. 1317-00-2 (September 25, 2001). WP Version.

A claimant's proof of the required causal connection must go beyond mere conjecture. Southall v. Eldridge Reams, Inc., 198 Va. 545, 548, 95 S.E.2d 145, 147 (1956)."Possibility is not enough," when proving causation. Eccon Company v. Lucas, 221 Va. 786, 791, 273 S.E.2d 797, 799 (1981); Rust Engineering Co. v. Ramsey, 194 Va. 975, 76 S.E.2d 195 (1953) ; Wellmore Coal Corporation v. Dallas E. McClanahan, Record No. 1922-98-3 (March 16, 1999). WP Version.

A Possible Causal Connection is Not Enough. The Workers' Compensation Commission did not err in finding that claimant failed to prove that certain medical expenses incurred by her since 1996 were causally related to either her August 3, 1979 or August 13, 1981 compensable injuries by accident. Claimant relies solely upon a letter from an orthopedic surgeon stating, “It is possible that the cervical spine problem did contribute to the patients [sic] shoulder and scapula problems as the two are often related.” This doctor did not express his opinion regarding causation with any degree of reasonable probability or medical certainty.  Rather, he merely raised the "possibility" of a causal relationship.  It is well established that "[a] medical opinion based on a 'possibility' is irrelevant [and] purely speculative."  Spruill v. Commonwealth, 221 Va. 475, 479, 271 S.E.2d 419, 421 (1980). the commission was entitled to conclude that the evidence failed to prove that the medical treatment at issue was causally related to either of claimant's compensable work-related accidents. Joyce Ann Myers v. Anheuser Busch, Inc., Record No. 1428-99-1 (November 23, 1999). WP Version.

Evidence in the record was sufficient to prove that claimant's 1993 compensable back injury caused the current condition suffered by the claimant. The claimant's symptoms were in the same locations as the symptoms from the original injury, his symptoms persisted to the present, and he remained under the same doctor's treatment since 1993. The commission had awarded the claimant temporary total disability awards through June 16, 1996, thereby establishing the causal relationship at least through that date. There was no evidence of any new specific intervening injury. Although claimant's doctor gave an affirmative response to a question asking whether he agreed that it was just as probable the L5 disc rupture was caused by cumulative or specific events at his new employment as attributable to the 1993 work accident, the doctor also stated, "Patient current complaints are related to 3-29-93 injury." Other notes refer to the new herniation as a "recurrent L5 disc herniation." Wellmore Coal Corporation v. Dallas E. McClanahan, Record No. 1922-98-3 (March 16, 1999). WP Version.

The commission did not err in finding that claimant proved that his herniated lumbar disc was causally related to his September 2, 1997 injury by accident. The medical record repeatedly refers to the onset of symptoms following a work-related lifting incident on September 2, 1997. The claimant informed the physicians that he performed heavy labor and injured his back and he reported chronic symptoms for three months. The claimant told his supervisor about the injury and told a doctor about a previous injury in August 1996 but that the injury resolved. Claimant did not have any problem after that until September 1997. A doctor informed another doctor "of back pain which seems to date to September of 1997. . . ." This doctor detailed a history of lifting a 12-inch block on September 2, 1997, and then an onset of acute low back pain. He noted that the claimant continued to work and that the symptoms varied with his work activities. Other health care providers have also reported the September 1997 work injury as the source of the current symptoms.   He has had progressive pain since that time. Claimant's testimony, coupled with the medical records and histories the doctors, constitutes credible evidence from which the commission could reasonably infer that claimant's herniated disc was causally related to the September 2, 1997 injury by accident. Berry Enterprises, Inc. v. Rodney A. Johnson, Record No. 1213-99-3 (October 5, 1999). WP Version.

The commission did not err in finding that claimant proved that her cervical disc condition and March 2, 1998 surgery were causally related to her compensable July 17, 1996 injury by accident. The accident resulted in a cervical and thoracic strain. She testified that a 264 pound patient rolled onto her arm. At that time, she initially felt pain in her arm and neck, and later felt numbness. during the fifteen-month period after the July 1996 accident, claimant was in a great deal of pain and required the assistance of other employees to help her with her duties. Claimant also limited her activities outside of work due to episodes of pain. Claimant admitted that she did not seek further medical attention between July 1996 and October 1997 for her neck or shoulder problem. A finding of causation is supported by the medical record. Dr. Bradner . . . confirmed that the treatment beginning October 27, 1997, was related to the July 1996 work accident. Dr. Ayres . . . recorded an accurate history of the . . . accident and [claimant's] ensuing symptoms. . . . Although he made no specific statement regarding causation, his diagnosis of the chronic strains juxtaposed to the accurate history certainly implies a causal relationship. Dr. Kiluk . . . provided an Attending Physician's Report which specifically supported the causal relationship. The commission did so and accepted the opinions of Drs. Bradner, Ayres, and Kiluk, while rejecting the contrary opinion of Dr. Thompson, who never examined or treated claimant. The medical records and opinions of Drs. Bradner, Ayres, and Kiluk, along with the testimony of claimant and her co-worker, constitute credible evidence supporting the commission's decision. "[T]he commission was free to credit claimant's testimony at the hearing as a basis for its finding of causation. The fact that contrary evidence may appear in the record 'is of no consequence if there is credible evidence to support the commission's finding.'" Dollar General Store v. Cridlin, 22 Va. App. 171, 177, 468 S.E.2d 152, 155 (1996) (quoting Wagner Enters., Inc. v. Brooks, 12 Va. App. 890, 894, 407 S.E.2d 32, 35 (1991)). Heritage Hall Blackstone v. Henley, Record No. 0036-99-2 (October 19, 1999). WP Version.

Claimant’s condition, though in part due to congenital abnormality of the craniocervical junction, was the direct result of a fall at work.  The claimant’s doctor stated that the surgery performed to correct the abnormality was the direct result of this fall.  The surgery would not have been performed had she not fallen. As the treating neurosurgeon, the doctor’s opinions were entitled to be given great weight by the commission.  See Pilot Freight Carriers, Inc. v. Reeves, 1 Va. App. 435, 439, 339 S.E.2d 570, 572 (1986).

The commission is also free to consider the testimony of a claimant in determining causation, especially where the medical testimony is inconclusive." Dollar General Store v. Cridlin, 22 Va. App. 171, 176, 468 S.E.2d 152,154 (1996).

Claimant's doctor recorded a history that claimant's pain after the accident was of abrupt onset, that it affected claimant's lumbar spine, and that it had a radicular quality. Claimant testified that although he had suffered from previous back pain, the pain he felt after the  accident was much more intense than anything he had ever experienced before. A neurosurgeon, diagnosed a disc herniation at the L3-4 level. Claimant testified that although some of his pain abated after the surgery, he still suffers from back symptoms and has not fully recovered. Claimant's testimony and the medical records provide credible evidence to support the commission's finding that the medical treatment received by claimant after the accident was causally related to that accident. Harman Ceiling and Partitioning Co. v. Lusk, Record No. 0612-99-3 (July 20,1999). WP Version.

No doctor stated that the claimant's non-ischemic central retinal vein occlusion in his left eye was caused by exposure to welding flashes, or was the result of corneal abrasions sustained at the time of the flashes. The closest any doctor comes on this record to such a statement is the statement of a doctor that claimant's retinal condition "appeared to develop in association with [claimant’s] ocular injury." In the immediately preceding sentence, the doctor’s report stated that central retinal vein occlusion is often of unknown cause.  At most, the doctor was stating no more than a temporal association between the claimant's corneal abrasions and the development of the central retinal vein occlusion. At most, there is an undefined temporal association between the two conditions. Such a conclusion is not sufficient to find the necessary causal relationship between the claimant's corneal abrasions and his retinal condition. Lynn J. Dempsey v. Enerfab Corporation, Record No. 1894-98-2 (February 2, 1999).

The illegality defense is based on the principle that a party who consents to and participates in an illegal act may not recover from other participants for the consequences of that act. Miller v. Bennett, 190 Va. 162, 164-65, 56 S.E.2d 217, 218 (1949). In Miller v. Bennett, 190 Va. 162, 56 S.E.2d 217(1949), the court held that the estate of a woman, who died after participating in an illegal abortion, could not recover damages for wrongful death from the person who performed the abortion procedure. This holding was based on the fact that the direct cause of the decedent's death was the illegal conduct in which she consensually participated. The illegality defense will be applied to bar recovery if the evidence shows that the plaintiff freely and voluntarily consented to participation in the illegal act, without duress or coercion. Trotter v. Okawa, 248 Va. 212, 216, 445 S.E.2d 121, 123-24 (1994). As with other defenses, the party raising the illegality defense has the burden to establish it. A determination of whether a person has engaged in an illegal act, for purposes of the illegality defense, is an objective inquiry. See Zysk v. Zysk, 239 Va. 32, 35, 404 S.E.2d 721, 722 (1990). In Zysk v. Zysk, 239 Va. 32, 404 S.E.2d 721 (1990), the court held that a woman who had contracted a sexually transmitted disease during premarital sex could not recover damages from her partner. The act of sexual intercourse was both consensual and illegal. The court explained that "courts will not assist the participant in an illegal act who seeks to profit from the act's commission." Id. at 34, 404 S.E.2d at 722. See also, Eagle, Star and British Dominions Ins. Co. v. Heller, 149 Va. 82, 140 S.E. 314 (1927), in which the court held that a convicted arsonist could not recover under an insurance policy for damages to a building that he had burned. Id. at 105-06, 140 S.E. at 321. See Benjie Godbolt v. Robert W. Brawley, Et al., Record No. 950105 (November 3, 1995).

Concurrent disability. During the period in dispute, claimant had not been released to return to her pre-injury employment. Although claimant's surgery produced a concurrent disability, the evidence established that she had not fully recovered from her compensable injury. The dates of claimant's recovery period for the intervening injury were June 8, 1994 to July 15, 1994, a period prior to Dr. Dunstan's release of claimant to her pre-injury employment on August 4, 1994. Thus, the commission did not err in holding employer responsible for compensation during the disputed period. Lynchburg General Hospital v. Antonia Spinazzolo, Record No. 0343-95-3  (March 26, 1996).

Employer bore the burden of proving, on its change-in-condition application, that claimant's ongoing pain and related disability are not causally related to her compensable injury. Employer failed to meet its burden. Claimant had a diagnosis of fibromyalgia prior to her compensable injury, and claimant's treating physician opined that her pre-existing fibromyalgia played a greater role in her inability to return to full-duty employment than did her mechanical back problem. However, a rheumatologist believed that claimant's mechanical back problem was responsible for her pain and that "the back problem is fanning the fibromyalgia." On October 9, 1997, the treating physician reported that "it's not really clear what the source of [claimant's chronic pain problem] is; that is, it could be related to her chronic myofascial pain; it may be related to scar tissue in her back or just a chronic muscular problem." On November 6, 1997, however, less than a month later, and without further examining claimant, and without articulating any basis for a different opinion, the treating physician opined that claimant's pain was not related to her accident of September 7, 1994, but that her chronic pain problem stemmed from the pre-existing fibromyalgia. Although the opinion of the treating physician is entitled to great weight, see Pilot Freight Carriers v. Reeves, 1 Va. App. 435, 439, 339 S.E.2d 570, 572 (1986), "[m]edical evidence is not necessarily conclusive, but is subject to the commission's consideration and weighing." Hungerford Mechanical Corp. v. Hobson, 11 Va. App. 675, 677, 401 S.E.2d 213, 214 (1991). Given the absence of any further examination of the claimant or an additional report supporting the treating physician's change of opinion, the commission was free to reject the treating physician's opinion as to causation. Once the commission rejected this opinion, no evidence in the record proved that claimant's ongoing disability was not causally related to her compensable injury. Additionally, a neurologist was unable to conclude that claimant's ongoing pain was caused solely by her pre-existing fibromyalgia. The neurologist's testing resulted in objective findings which implicated sources for claimant's ongoing pain other than, or in addition to, claimant's fibromyalgia. Mary Washington Hospital v. Patricia B. Holloway, Record No. 1582-98-2 (March 30, 1999). WP Version.

The exacerbation of a pre-existing injury constitutes a new compensable accident where it arises out of and in the course of employment. See Ohio Valley Constr. Co. v. Jackson, 230 Va. 56, 58, 334 S.E.2d 554, 555 (1985) (a new injury which exacerbates a previous condition resulting in accelerated disability is compensable). Where an employee's accident causes increased injury and disability, even though to the same anatomic area of a previous condition which continued to be symptomatic, the second accident establishes an independent injury under the Workers' Compensation Act where it arises out of and in the course of the employment. See Pelerin v. Hematology and Oncology Assocs., Ltd., 67 O.I.C. 212 (1988). A. D. Stowe v. Otis Wayne Ricks, Record No. 2704-98-1 (April 27, 1999). WP Version.

The commission was unwilling to infer causation under the facts of this case. Liddell admitted that she suffered from significant pre-existing shoulder problems. On September 30, 1996, Dr. [Robert] Stinger indicated that [Liddell's] work injury had resolved. [Liddell's] rotator cuff tears were not diagnosed until March 1997. At that time, Liddell was diagnosed with a rotator cuff tear of the right shoulder as well as the left shoulder, even though there is no evidence that the right shoulder was injured at the time of her industrial accident. Under these facts, we can only speculate whether the claimant's left rotator cuff tear was caused by the work accident . . . . The commission's findings are amply supported by the record. Based upon the lack of any persuasive medical evidence to connect Liddell's left shoulder rotator cuff tear with her compensable work injury, we cannot say as a matter of law that her evidence sustained her burden of proving causation. Ruth Liddell v. INOVA Fairfax Hospital, Record No. 2746-98-4 (May 18, 1999). WP Version.

 "A finding that a pre-existing condition was accelerated or aggravated by an injury sustained in an industrial accident establishes a causal connection between the injury and the disability and the disability resulting therefrom is compensable under the Workers' Compensation Act."  Corning, Inc. v. Testerman, 25 Va. App. 332, 340, 488 S.E.2d 642, 645 (1997) (citations and internal quotations omitted). Basic Construction Company v. Hamilton, Record No. 2844-98-1 (August 17, 1999). WP Version.   

On April 29, 1996, claimant strained his back while working in a manhole. He felt a "bad pop" in his back and a "shock" from the "top of [his] head to the bottom of [his] feet." claimant had a history of spondylolisthesis and prior back injuries. an MRI exam on May 3, 1996, revealed Grade I spondylolisthesis at L5-S1, minimal disc protrusion at L3-4 and L4-5 with degenerative disc disease, and "findings suspicious for herniated nucleus pulposus." Another MRI several weeks later revealed a bulging disk at C4-5 and C5-6 and a herniation at C6-C7. On October 9, 1996, claimant’s treating physician performed a lumbar fusion at L4-5 and L5-S1. Claimant’s neck and arm complaints continued and claimant’s doctor believed the back injury and neck injury and treatment was causally related to the work-related incident on April 29, 1996. Claimant underwent anterior cervical diskectomy on February 26, 1997. Although another doctor disagreed with the treating physician’s opinions on causation, credible evidence in the record established a causal connection between the accident on April 29, 1996 and claimant's continued back disability and treatment and his neck injury and treatment. "`So long as a causal relationship between the industrial accident and the . . . [treatment rendered] is shown, the employer is financially responsible for the medical attention which the attending physician deems necessary.'" Papco Oil Co. v. Farr, 26 Va. App. 66, 74, 492 S.E.2d 858, 861 (1997) (quoting Lynchburg Foundry Co. v. Goad, 15 Va. App. 710,714, 427 S.E.2d 215, 217-18 (1993)). Claimant was treated conservatively at first before surgery for his injuries caused by his accident was attempted. Claimant's treatment was necessary and reasonable. "Whether an employer is responsible for medical expenses . . . depends upon . . . (3) whether the treating physician made a referral to the patient." Volvo White Truck Corp. v. Hedge, 1 Va. App. 195, 199, 336 S.E.2d 903, 906 (1985). When claimant’s treating physician decided to relocate his practice, he recommended Dr. Joiner for further treatment but claimant requested a referral to Dr. Knox and Dr. Mathews. The treating physician, in attempting to accommodate the wishes of a rehabilitation nurse and claimant, created a situation where the nurse believed the referral was to Dr. Joiner and claimant believed the referral was to Drs. Knox and Mathews. Drs. Knox and Mathews became claimant's authorized treating physicians. City of Martinsville v. Timothy Scott Turner, Record No. 2753-98-2 (July 27, 1999). WP Version.  

Sec. 65.2-402(C) presumption requires proof of cause. After 30 years with the fire department, Claimant was diagnosed with prostate cancer, an ordinary disease of life of unknown etiology.  Claimant's evidence, however, documented an exposure to cadmium, a substance identified as carcinogenic by the International Agency for Research on Cancer (IARC), as a suspected cause of prostate cancer. Code Sec. 65.2-402(C), provides, in pertinent part, that “prostate cancer, caused by a documented contact with a toxic substance that a . . . fire fighter . . . has encountered in the line of duty and that causes . . . any health condition or impairment[,] . . . shall be presumed to be an occupational disease, suffered in the line of duty, that is covered by this title, unless such presumption is overcome by a preponderance of competent evidence to the contrary.  For the purposes of this section, a ‘toxic substance’ is one which is a known or suspected carcinogen, as defined by the International Agency for Research on Cancer [IARC], and which causes, or is suspected to cause, . . . prostate . . . cancer.” Code Sec. 65.2-402 (C) explicitly provides that the presumption of occupational disease applies to prostate cancer "that is caused by a documented contact with a toxic substance." Claimant was not entitled to the statutory presumption of occupational disease because he did not prove that exposure to the toxic substance cadmium "caused or contributed to cause, his prostate cancer." Newell E. Whitehead, Jr. v. City of Portsmouth FD, Record No. 2975-98-1 (July 27, 1999). WP Version.

Need for Medical Opinion on Causation Issue. The Workers' Compensation Commission ("commission") did not err in finding that the claimant failed to prove that (1) his varicose veins were caused by a physical therapy session on September 19, 1997 necessitated by his compensable August 5, 1997 left knee injury; and (2) his post-September 25, 1997 disability was causally related to his compensable August 5, 1997 injury by accident. There was no opinion from any physician causally relating the claimant's varicose veins or claimed disability to his accident or his physical therapy for his left knee injury sustained in that accident. For the Commission to infer such a causal relationship would be mere speculation without any expert guidance from the physicians who have examined the claimant. Vagharshak A. Vartanian v. Advantage Auto Stores, Record No. 2048-98-4 (September 28,1999). WP Version. 

The commission did not err in finding that claimant's generalized dystonia is causally related to her industrial accident of October 23, 1990. Claimant, a preschool teacher, fell as she was entering her vehicle, which was parked in the driveway of a student she was visiting in the course of her employment. Claimant  received six stitches on her head. In addition to the laceration on her head, claimant suffered a sore and stiff back and neck. Claimant's back pain did not abate over the years and she developed spastic, uncoordinated patterns of movement ultimately diagnosed as dystonia. Although claimant's earlier physicians had not accurately diagnosed claimant's condition, the commission was persuaded by Dr. Grill's observation that a person suffering from a movement disorder may go undiagnosed for years, unless detected by a physician experienced in the field. The commission resolved the various conflicts in the evidence and found credible evidence establishing a causal relationship between the claimant's work-related trauma and the dystonic symptoms she experienced.  Fairfax County School Board v. Sally Ann Presti, Record No. 3010-98-4 (October 19, 1999). WP Version.

Claimant fell, attempted to break her fall with her right hand, and hit her chin on the sidewalk. She suffered abrasions to her right hand and chin. Subsequent medical treatment revealed that claimant was suffering from an abscess in the psoas muscle. Initially, her treating physician found no obvious cause of the abscess, but later, an unnamed consultant on infectious diseases suggested as follows: "Staph aureus most likely developed [as a result of] seeding from a transient bacteremia [at] hand scrape upon fall 4/3," resulting in a psoas abscess. The treating physician then stated that the infectious disease consultant had opined that claimant's staph infection was likely derived from the abrasions she sustained in the April 3, 1998 fall. The treating physician further stated that he did not have "any other explanation for why [claimant] developed a staph abscess in her psoas." The treating physician concluded that "attributing the staph abscess to a bacteremia from such a scrape would be certainly possible. I would support that hypothesis given no other information." An Associate Professor in the Division of Infectious Diseases at Virginia Commonwealth University, reviewed claimant's entire medical file at the request of employer. The Assistant Professor opined to a reasonable degree of medical certainty that claimant's right psoas abscess was not causally related to the April 3, 1998 work-related fall, setting forth a detailed explanation for her opinion. The commission did not err in finding the claimant had failed to meet her burden of proving the abscess was caused by her compensable accident. The claimant has, at most, presented evidence that suggests two or more equally likely causes of the claimant's psoas abscess. The opinion of the claimant's treating physician is entitled to less deference for lack of an independent, objective basis for his diagnosis, we accord the conflicting, expert testimony of the employer's independent medical examiner at least as much weight as that of the treating physician. None of the other physicians involved offered an opinion that any particular cause "more likely than not" caused the claimant's psoas abscess. Doris Patricia Cote v. Western State Hospital, Record No. 1390-99-3 (October 26, 1999). WP Version.

Claimant's treating neurosurgeon, who began treating claimant in July 1997 and twice performed surgery on claimant's back, opined that it was "more likely than not" that claimant's L4-5 disc herniation was caused either directly by the June 23, 1997 injury by accident or constituted "a natural progression or deterioration" of the condition caused by that injury by accident.  Another neurosurgeon, who examined claimant and reviewed his diagnostic studies upon referral from the treating neurosurgeon, opined that claimant's need for surgery to repair his L4-5 disc defect was related to the June 23, 1997 injury. An employer’s expert only examined claimant three times.  Another doctor did not examine claimant at all and merely reviewed his medical records. Based upon these medical opinions and the medical records, the commission did not err in concluding that claimant proved a causal relationship between the L4-5 disc herniation and his compensable June 23, 1997 injury by accident.  Where medical evidence conflicts and the treating physician is positive in his or her diagnosis, then his or her opinion will generally be afforded greater weight by the courts. See Pilot Freight Carriers, Inc. v. Reeves, 1 Va. App. 435, 439, 339 S.E.2d 570, 572 (1986). Although claimant, just before his October 1997 myelogram CT, felt a sharp pain when he rolled from his back to his left side while on his couch at home, the medical records, which documented claimant's  ongoing and continuous back pain before October 1997, and the opinions of the treating neurosurgeon and the doctor to whom claimant was referred by the treating neurosurgeon  constitute credible evidence to support the commission's finding that the sharp pain claimant felt in October 1997 was merely a part of the ongoing symptoms he had experienced since the June 23, 1997 accident and did not constitute a new injury. New River Castings Company v. James Maple, Record No. 1552-99-3 (November 16, 1999). WP Version.

Employer’s counsel was guilty of the late filing of a medical report. The deputy commissioner admitted the doctor’s report into evidence but provided claimant with ample opportunity to cross-examine the doctor before the record closed.  Claimant elected not to cross-examine the doctor in any manner whatsoever.  Having chosen not to take advantage of the opportunity to cross-examine the doctor regarding the medical report, claimant cannot claim that she was prejudiced by the late filing. The commission did not abuse its discretion in admitting into evidence the medical report that had been filed late. The commission also did not err in denying claimant disability benefits after March 31, 1996 and in denying medical benefits for treatment incurred after April 25, 1996.  In doing so, the commission relied upon the opinions and medical records of two doctors and rejected the opinions of two other doctors. The medical records and opinions of the two doctors relied upon support the commission’s findings that claimant was not disabled after March 31, 1996 due to the effects of her exposure to Lysol Brand Concentrate at work in February 1996; that the effects of that exposure ended by April 25, 1996; and that her symptoms thereafter were due to pre-existing conditions or other causes. The commission articulated sound reasons for giving little probative weight to the contrary opinions of the two other doctors. “Medical evidence is not necessarily conclusive and is subject to the commission’s consideration and weighing.” Hungerford Mechanical Corp. v. Hobson, 11 Va. App. 675, 677, 401 S.E.2d 213, 215 (1991).  “Moreover, “[q]uestions raised by conflicting medical opinions must be decided by the commission.” Penley v. Island Creek Coal Co., 8 Va. App. 310, 318, 381 S.E.2d 231, 236 (1989). Joleane Dutzman v. J. Douglas Wooddell, DDS, Record No. 1735-99-4 (November 16, 1999). WP Version.

Based upon the lengthy delay between the time of claimant's compensable accident and the first documentation of her neurological complaints, the Workers' Compensation Commission did not err in finding that claimant failed to prove that her medical treatment after July 17, 1996 and her disability beginning February 20, 1998 were causally related to her compensable July 15, 1996 injury by accident. Although claimant testified that she continuously complained for a year and a half about her headaches, dizziness, and nausea to her doctor who saw her frequently, the extensive medical record reflects otherwise. Claimant's  neurologic complaints did not begin until at least nineteen months after her July 1996 accident. Shirley P. Keesee v. Wise County School Board, Record No. 2273-99-3 (February 8, 2000). WP Version.

Claimant met his burden of proving that the contested surgery, treatment, and disability were causally related to the July 12, 1997 injury by accident. Claimant had a pre-existing degenerative cervical spine. He suffered severe symptoms of neck pain in the late 1980s, and failed to report that history to any of the physicians who have examined him for the present injury. However, claimant had not had any significant symptoms of neck pain or disability for the nine years preceding the present work injury. After his accident, he sought immediate medical attention, and the treating physicians have documented progressive neck symptoms from the inception of his injury. The claimant was able to work his normal job for the five years preceding the work accident, but was disabled subsequent thereto. The treating neurosurgeon, was aware that the claimant suffered from pre-existing cervical spondylosis, but was unaware that claimant had suffered from neck symptoms in the remote past. The commission did not err in finding a causal relationship or that her lack of knowledge of such remote symptoms did not seriously undermine her opinions regarding causation, reasonableness, and necessity of the surgery. The claimant's testimony and the temporal relationship between the claimant's injury, neck symptoms, disability, surgery, and recovery, are compelling. Claimant's medical records and the neurosurgeons opinions, coupled with claimant's testimony, constitute credible evidence to support the commission's decision. Sentara Norfolk General Hospital v. Melvin Spruill, Record No. 2971-99-1 (April 4, 2000). WP Version.

The commission did not err in finding that claimant's disability was not causally related to his October 20, 1996 injury by accident. On October 20, 1996, while Cook was walking through an unfamiliar portion of the mine, he "misjudged" the height of the roof line and hit his head on the roof. Cook testified that the blow knocked him down and that he experienced pain in his neck. Cook admitted that he was seen by an emergency room physician on September 8, 1996 for neck and left arm pain. The emergency room records reflect Cook stated that he hit his head two weeks prior to September 8, 1996 and that he continues to experience neck and shoulder pain. At the hearing, Cook denied having previous problems with his neck or receiving treatment for neck pain "in that location prior to the incident." He admitted, however, that he has had "sprains and strains" in that area. the commission, after weighing the medical evidence, rejected the opinions of Drs. Wood and Sutherland. The record established that Dr. Wood was not aware of Cook's prior complaints of neck and shoulder pain and resultant medical treatment which occurred during the weeks prior to the October 20, 1996 injury by accident. In addition, Dr. Wood was not aware of Cook's July 1996 accident, where he hit his head and complained of neck pain that did not resolve. Where medical opinions are based upon an incomplete or inaccurate medical history, the commission is entitled to conclude that those opinions are of little probative value. See Clinchfield Coal Co. v. Bowman, 229 Va. 249, 251-52, 329 S.E.2d 15, 16 (1985); see also Sneed v. Morengo, Inc., 19 Va. App. 199, 205, 450 S.E.2d 167, 171 (1994) ("Whenever a physician's diagnosis flows from an assumption that rests upon a faulty premise, such as misinformation provided by a claimant, the commission may refuse, and often will be required to refuse, to attribute any weight to that opinion."). George Montgomery Cook v. Island Creek Coal Company, Record No. 2357-99-3 (April 25, 2000). WP Version.

The commission did not err in finding claimant presented sufficient evidence that the medical treatment he received after March 1, 1997 was causally related to the January 27, 1996 industrial accident in which he was injured. A March 1, 1997, slip at work did not cause him any additional problems. In fact, the claimant did not end up actually falling. Dr. Meade, in his December 1, 1997, letter, stated that this was not a new injury, but rather the result of the claimant's pre-existing ACL injury and his torn lateral meniscus. Ace House Movers, Inc. v. Michael N. Jackson, Record No. 1494-99-1 (May 9, 2000). WP Version.

De Facto Awards. Burden of Proof Shifts to Employer. Code Sec. 65.2-701(A) authorizes de facto awards and the commission did not err in recognizing their validity. National Linen Service v. McGuinn, 5 Va. App. 265, 326 S.E.2d 187 (1987) (en banc). De facto awards are premised on Code Sec. 65.2-701(A). The statute reads, in pertinent part: "If after injury . . . the employer and the injured employee . . . reach an agreement in regard to compensation or in compromise of a claim for compensation under this title, a memorandum of agreement in the form prescribed by the Commission shall be filed with the Commission for approval." In McGuinn, we held that where the employer has stipulated to the compensability of the claim, has made payments to the employee for some significant period of time without filing a memorandum of agreement, and fails to contest the compensability of the injury, it is "reasonable to infer that the parties ha[ve] reached an agreement as to the payment of compensation," and a de facto award will be recognized. McGuinn, 5 Va. App. at 269-70, 362 S.E.2d at 189. Assuming arguendo that Code Sec. 65.2-701(A) is vague, our interpretation of it in McGuinn sufficiently narrows and clarifies it with respect to de facto awards to pass constitutional challenge. See Wainwright v. Stone, 414 U.S. 21, 22-23 (1973) ("For the purpose of determining whether a state statute is too vague and indefinite to constitute valid legislation 'we must take the statute as though it read precisely as the highest court of the State has interpreted it.'" (quoting Minnesota, ex rel. Pearson v. Probate Ct. of Ramsey County, 309 U.S. 270, 273 (1940))); Commonwealth v. Rivera, 18 Va. App. 103, 109, 442 S.E.2d 410, 413 (1994) ("[A]s a state court, we may construe our statutes to have a limited application if such a construction will tailor the statute to a constitutional fit."); see also Perkins v. Commonwealth, 12 Va. App. 7, 14, 402 S.E.2d 229, 233 (1991). Any vagueness in the statutory language is thus remedied. On April 20, 1997, claimant suffered an injury when she tripped on a buckled rug and fell on her left knee. The carrier voluntarily paid claimant temporary total disability benefits from April 20, 1997 through August 23, 1997. On November 6, 1997, claimant filed a claim for disability benefits, alleging compensable injury resulting from the April 20, 1997 accident. The employer and its carrier stipulated that claimant had suffered a compensable injury as a result of the accident and that she was totally disabled through June 10, 1997. The commission did not err in finding that voluntary payment of benefits to claimant for the sixteen-week period from April 20 through August 23, 1997 constituted a de facto award; as a consequence, the commission did not err in finding that employer bore the burden of proving that claimant's disability in the period following June 10, 1997 was not causally related to the accident. Ryan's Family Steak Houses, Inc.,  v.  Gowan, Record No. 1435-99-3 (May 16, 2000). WP Version.

Claimant sustained his compensable injury while employed and prior to his absence. The absence for which he was terminated was due to the compensable injury. Claimant's wage loss resulted from his compensable injury, not from his absenteeism. C & P Telephone v. Murphy, 12 Va. App. 633, 406 S.E.2d 190 (1991), aff'd en banc, 13 Va. App. 304, 411 S.E.2d 444 (1991) clearly establishes that employees are responsible for wage loss properly attributable to their wrongful conduct. See 12 Va. App. at 639-40, 406 S.E.2d at 193. However, as explicated in Potomac Edison Co. v. Cash, 18 Va. App. 629, 446 S.E.2d 155 (1994), Murphy represents a narrow rule; where an employee's wage loss is not attributable to his wrongful conduct, the fact that the employee was discharged for such conduct is not in itself sufficient to preclude him from receiving benefits. See 18 Va. App. at 633, 446 S.E.2d at 157. In Murphy,  the Court held that where a disabled employee is terminated for cause from selective employment offered or provided by his employer, any subsequent wage loss is properly attributable to the employee's wrongful conduct rather than his disability, and he is therefore barred from subsequently seeking wage indemnity benefits. See 12 Va. App. at 639-40, 406 S.E.2d at 193. The Court revisited Murphy in Cash, in which it held that Murphy did "not bar [a] claimant's application for benefits after termination for cause when [the] claimant subsequently suffer[ed] total disability caused by the prior work-related injury." 18 Va. App. at 632, 446 S.E.2d at 157. William Hazel Companies v. Jesse R. Creswell, Record No. 2477-99-2 (May 23, 2000). WP Version.

In an earlier decision, the commission found that Harris suffered from a compensable occupational disease in that she had developed an allergic reaction to the chemicals in her workplace. The employer did not appeal that decision. Accordingly, any further consideration of whether claimant's original occupational disease is causally related to her employment is barred by res judicata. See K & L Trucking Co., v. Thurber, 1 Va. App. 213, 219, 337 S.E.2d 299, 302 (1985) (finding that the doctrine of res judicata is applicable to decisions of deputy commissioners and the full commission). Thus, the issue now on appeal is whether the evidence proves that claimant's current disability and allergic reactions are causally related to the industrial disease. Claimant's chemical sensitivity and her current sensitivity to other allergens in the environment are the same sensitivity that she developed due to the exposure to chemicals in the workplace. The commission's finding that claimant's chemical sensitivity is causally related to her exposure to the x-ray chemicals is supported by credible evidence. The finding that claimant is partially disabled because she has become "sensitized" as a result of her exposure to the chemicals in her pre-injury work is supported by credible evidence. In concluding that claimant has not recovered from her disability and, therefore, has not obtained her pre-injury status, the commission relied on its holdings in Blevins v. Smyth County Vocational School, VWC File No. 185-57-17 (July 1, 1998), and Pruett v. J & R Electric Contractor, Inc., VWC File No. 160-30-44 (Nov. 30, 1993). In Blevins, the claimant suffered from hypersensitivity pneumonitis. The claimant's treating physician opined that the claimant was "not disabled and has the capacity to do any other job in which such exposure would not be required." The physician further stated that the claimant "has been suffering from recurrent bouts of hypersensitivity pneumonitis related to exposure to work place allergens to which he has been sensitized. With removal of that exposure his hypersensitivity has resolved." The commission found, based on the physician's report, that the claimant was partially disabled. In Pruett, the claimant was an electric motor winder. In that capacity, the claimant frequently was exposed to fumes from soldering and welding, dipping the motors into a vat of epoxy or hot varnish, and cleaning the housing. The claimant began to experience respiratory problems and was diagnosed with industrial asthma. His treating physician opined that his condition was caused by exposure to fumes in the workplace. In finding that the claimant was disabled, the commission noted that the claimant's treating physicians opined that the claimant could not return to his pre-injury work because "he has become sensitized to chemicals to which he is exposed in that employment. Therefore, he has not reached his pre-injury employment status inasmuch as he was not sensitized before he became disabled." The commission's rationale in Blevins and Pruett is sound and persuasive. Credible evidence supports a finding that claimant is currently partially disabled in that she continues to suffer from symptoms related to the allergic chemical reaction and is unable to perform her pre-injury work. the commission did not err in determining claimant adequately marketed her residual work capacity. The commission found that claimant contacted, on average, at least two employers per week. She actively searched computer databases and newspaper classified advertisements. Although the rehabilitation counselor testified that claimant's school class schedule was an obstacle in obtaining employment, claimant testified that, if she found suitable employment that conflicted with her class schedule, she would withdraw from her classes. The evidence sufficient to support the commission's finding that claimant made a reasonable effort to market her residual capacity. Tidewater Physicians Multispecialty v. Harris, Record No. 2207-99-1 (May 30, 2000). WP Version.

Pre-existing Condition. The employee was a diabetic dependent on insulin for twenty years. While working for the employer, he tripped on a 3 by 1/2 inch bolt that protruded from the floor. The employee noted his great toe was sore but found nothing visibly wrong. He inspected his foot again that evening and the next morning before returning to work, but again he found nothing wrong. The employee regularly checked his feet and two days later observed a black spot on the underside of his toe. The record supports the commission's finding that the employee injured his toe at work and his diabetes aggravated the injury to the extent of requiring amputation. The amputation occurred within two weeks of the injury, and medical evidence established the causal connection. Dan River, Inc. v. Sammy Terry, Record No. 3020-99-2 (June 20, 2000). WP Version.

The commission did not err in finding: (1) that claimant established an "injury by accident" to his right foot on September 1, 1997; and (2) that medical treatment rendered in August 1998 was causally related to that "injury by accident." Claimant testified that on September 1, 1997, while working as a groundsman, he was injured when a tree fell on his right foot. Two witnesses corroborated this account. Claimant sought no medical treatment for almost a year. The medical records set forth a record of an injury a year earlier followed by intermittent pain.  This evidence was sufficient for the commission to find an injury by accident and causation. "The testimony of a claimant may also be considered in determining causation, especially where the medical testimony is inconclusive." Dollar General Store v. Cridlin, 22 Va. App. 171, 176, 468 S.E.2d 152, 154 (1996).  Thus, the court  held in Cridlin that where "the [medical] reports reflect only the results of claimant's physical examination and do not purport to establish the cause or causes of her injury[,] . . . the commission was free to credit claimant's testimony at the hearing as a basis for its finding of causation." Id. at 177, 468 S.E.2d at 155 (citation omitted). The record in this case does not establish that the medical issue was so complex that the commission made findings in an area that could only be properly decided by medical experts. Strickly Stumps, Inc. v. George Robert Enoch, Record No. 0523-00-4 (November 21, 2000). WP Version.

    The commission did not err in finding that claimant's disability was related to his April 4, 1997 injury by accident and that the medical treatment provided by physicians other than claimant's treating physician was unauthorized.  A doctor's statement that a certain condition is probably connected to the injury means there is a reasonable likelihood of causation, which "is sufficient to permit a trier of fact to accord the statement probative weight." Cook v. City of Waynesboro Police Dep't, 225 Va. 23, 30, 300 S.E.2d 746, 749 (1983). The commission may also consider "[t]he testimony of [an employee] . . . in determining causation, especially where the medical testimony is inconclusive." Dollar General Store v. Cridlin, 22 Va. App. 171, 176, 468 S.E.2d 152, 154 (1996). In addition, the commission may rely upon circumstantial evidence in finding that an injury was caused by a particular accident. See Van Geuder v. Commonwealth, 192 Va. 548, 557, 65 S.E.2d 565, 570-71 (1951). Claimant testified that his knee pain commenced with the work effort he was engaged in on April 4, 1997 and was never completely relieved by the medical treatment he received. The commission reviewed the medical evidence and found as follows: Dr. Wilhelm has consistently related the claimant's condition to the work-related incident. Dr. Wilhelm stated that the claimant suffered a pain syndrome that emanated from, and started with, the work-related injury. Similarly, both Dr. Camp and Dr. Soueidan noted the accident, the June 1997 surgery, and subsequent weak knee problems. Significantly, Dr. Stiles found marked left quadriceps weakness on August 25, 1997. No medical report advances a different cause. There is no medical evidence that any treatment was unreasonable or unnecessary. Claimant presented credible evidence that sufficiently proved his disabling condition was caused by the April 4, 1997 injury by accident. Accordingly, the commission's finding that claimant's injuries were causally connected to his industrial accident was not plainly wrong.
    Where an employer initially denies that an injury is compensable, the employee is entitled to select a treating physician. See Bassett Burkeville Veneer v. Slaughter, 21 Va. App. 575, 578-79, 466 S.E.2d 127, 128-29 (1996). Once the employee selects a treating physician, the employee cannot unilaterally change physicians unless an emergency exists or the commission approves the change. See Goodyear Tire & Rubber Co. v. Pierce, 9 Va. App. 120, 130, 384 S.E.2d 333, 339 (1989). In a related vein, Code Sec. 65.2-603(C) provides as follows: If in an emergency or on account of the employer's failure to provide the medical care during the period herein specified, or for other good reasons, a physician other than provided by the employer is called to treat the injured employee, during such period, the reasonable cost of such service shall be paid by the employer if ordered so to do by the Commission. The record proved and the commission found that claimant turned to his wife's insurance plan to pay for his medical treatment. Her plan required him to use her primary care physician, who referred claimant to Dr. Wilhelm. The commission found that claimant "had good reason to treat with [Drs. Wells, Camp, and Wilhelm] because [Marriott] had declined to accept the claim and payment for these physicians would be covered by his wife's health insurance." The commission also found that the treatment was reasonable, necessary and related to his work injury. Credible evidence in the record supports these findings. Marriott Int'l,Inc. v. Robert D. Carter,III, Record No. 0680-00-1 (January 9, 2001). WP Version.

    The evidence did not support the finding that claimant's psychiatric treatment was causally related to his work injury. "If the expert medical witnesses cannot testify that it is at least more probable than not that the disease arose out of and in the course of employment, compensation must and should be denied, not because the law requires more of medicine than it can produce, but because the law requires more than simply proof that the disease 'might' have been caused by a particular result." Westmoreland Coal Co. v. Campbell, 7 Va. App. 217, 224, 372 S.E.2d 411, 416 (1988).
      In their concluding opinions, both doctors indicated they needed additional medical history before rendering an opinion on the relation of the psychiatric condition to the injury. The commission erred in finding the medical evidence credible when it lacked a sufficient base. Clinchfield Coal Co. v. Bowman, 229 Va. 249, 252, 329 S.E.2d 15, 16 (1985), held the commission erred in attributing weight to medical evidence based upon a faulty premise. The Court reversed the commission's finding that the doctor was credible because the doctor's opinion was based on erroneous information supplied by the claimant. "In Dr. McIlwain's first report, he assumed that the condition he discovered resulted from the 1978 accident. The basis for this assumption was the incomplete information furnished by Bowman." Id. at 251-52, 329 S.E.2d at 16 (emphasis in original). "Whenever a physician's diagnosis flows from an assumption that rests upon a faulty premise, such as misinformation provided by a claimant, the commission may refuse, and often will be required to refuse, to attribute any weight to that opinion." Sneed v. Morengo, Inc., 19 Va. App. 199, 205, 450 S.E.2d 167, 171 (1994) (citation omitted). The doctors' reports were insufficient to establish a causal connection between the employee's work injury and his psychiatric condition beyond mere conjecture. Howell Metal Company v. Michael B. Adams, Record No. 1992-00-3 (March 27, 2001). WP Version.

    Claimant had been deemed "disabled" by the Social Security Administration due to his pre-existing diabetes, liver problems and other related conditions. Claimant was receiving benefits for his disability at the time of the accident.  Nonetheless, claimant had been employed by his brother on a consistent basis prior to the date of the accident.  Dr. Reid diagnosed claimant with memory loss, chronic pain syndrome, and C8 radiculopathy secondary to the 1995 accident. He opined that claimant was "permanently and totally disabled from gainful employment," due to the chronic pain syndrome and claimant's inability to walk or change positions without aggravating the "chronic pain syndrome, the memory loss, and the severe de-conditioning and specifically triceps atrophy." Dr. Reid confirmed that the 1995 accident caused claimant's disability, notwithstanding his extensive medical history, reasoning that persons with "his diabetes and level of peripheral neuropathy who are without other injury or illness are known to be able to function satisfactorily in the workplace. "The evidence here supports the commission's determination on the issues of employer's liability for claimant's memory problems and periods of disability. Princess Anne Builders, Inc. v. Faucette, Record No. 0872-01-1 (November 6, 2001). WP Version.

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