| CORRECTING ORDERCorrecting Final Award Allowing Compensation dated September 26, 2016 (Correction In Bold and Underlined) |
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Second Injury Fund has no liability in this claim; and (7) the rulings set out in *Schoemehl v. Treasurer of State*, 217 S.W.3d 900 (Mo. 2007) apply to the facts of this claim.
Employer filed a timely application for review with the Commission alleging the administrative law judge erred: (1) in finding that the June 15, 2005, accident was a substantial factor in causing employee's ongoing complaints and need for additional treatment; (2) in awarding past medical expenses; (3) in awarding future medical expenses; (4) in awarding temporary total disability benefits through January 4, 2012; (5) in finding employee was permanently and totally disabled; and (6) in finding employee was permanently and totally disabled as a result of the June 15, 2005, motor vehicle accident alone.
Employee filed a timely application for review requesting that the Commission consider whether the Second Injury Fund is liable for permanent total disability benefits, in the event the Commission finds that employee was not rendered permanently and totally disabled as a result of the primary injury considered alone.
For the reasons stated below, we modify the award of the administrative law judge referable to the issues of: (1) the nature and extent of permanent disability; and (2) the liability of the Second Injury Fund. We also supplement the administrative law judge's award with respect to the issue of medical causation.
**Discussion**
**Medical causation**
The parties asked the administrative law judge to determine whether the accident caused "the injuries and disabilities for which benefits are claimed." *Transcript*, page 4. In other words, the parties disputed the issue of medical causation. Section 287.020.2 RSMo sets forth the standard for medical causation applicable to this claim and provides, in relevant part, as follows:
> An injury is compensable if it is clearly work related. An injury is clearly work related if work was a substantial factor in the cause of the resulting medical condition or disability. An injury is not compensable merely because work was a triggering or precipitating factor.
The administrative law judge determined the accident of June 15, 2005, was a substantial factor "in causing the need for treatment for [employee] from the date of accident up to the date of his death on November 28, 2014." *Award*, page 19. The administrative law judge, however, did not identify the particular medical condition(s) he believed to have resulted from the accident. This is a medically complex case involving extensive preexisting cervical, thoracic, and lumbar spine disability; consequently, identification of the "resulting medical condition" per § 287.020.2 is, in our view, a threshold inquiry before we proceed to the question of the benefits to which employee may be entitled under the Missouri Workers' Compensation Law. As a result, we discern a need to supplement the award to provide the requisite statutory analysis.
The parties presented competing expert medical testimony with respect to the issue of medical causation. Employee advances the expert medical opinion of Dr. Robert Poetz, who believes the accident was a substantial factor causing employee to suffer 1) a cervical strain, (2) a herniated disk at C5-6, and (3) exacerbation of preexisting cervical spondylitic myelopathy with severe spinal cord stenosis. Dr. Poetz rated employee's cervical spine injuries resulting from the accident at 40 % permanent partial disability of the body as a whole. Dr. Poetz also believes the accident was a substantial factor causing employee to suffer a thoracic strain with exacerbation of degenerative disc disease, which he rated at 10 % permanent partial disability of the body as a whole, and a lumbar strain with exacerbation of lumbar degenerative disc disease, which he rated at 15 % permanent partial disability of the body as a whole.
Employer, on the other hand, advances the expert medical opinion of Dr. Russell Cantrell, who believes that the accident is not a substantial factor in causing employee's "current and ongoing complaints" as of the date of Dr. Cantrell's evaluation on March 11, 2013. Transcript, page 3032. Notably, Dr. Cantrell did assign permanent disability to the effects of the June 2005 accident: specifically, he rated 3\% and 2\% permanent partial disabilities of the body as a whole referable to cervical and lumbar strains, respectively. We find these ratings inconsistent with Dr. Cantrell's opinion that the work injury was not "a substantial factor" in employee's overall disability.
Additionally, employer procured the testimony of the treating physician, Dr. Thomas Corsolini, who believes the accident caused employee to suffer a strain to the cervical spine and to the spine in general, as well as possible aggravation of his preexisting degenerative spine conditions, for which Dr. Corsolini would assign a 5\% permanent partial disability of the body as a whole.
Thus, the uncontested expert medical opinion evidence on this record compels a finding that, at the very least, employee suffered some permanent aggravation and/or change in pathology with regard to his preexisting degenerative spine conditions as a result of the June 2005 accident, which causes him to suffer permanent disability. We have thoroughly reviewed the deposition testimony from the experts. We note that Dr. Poetz provided a rather vigorous defense, on cross-examination, of his opinion that the accident caused employee to suffer a herniated disc at C5-6. After careful consideration, we find Dr. Poetz's medical causation opinion to be the most persuasive in this case. We find, therefore, that employee's work for employer was a substantial factor causing employee to suffer (1) a cervical strain, (2) a herniated disk at C5-6, (3) exacerbation of preexisting cervical spondylitic myelopathy with severe spinal cord stenosis, (4) a thoracic strain with exacerbation of degenerative disc disease, and (5) a lumbar strain with exacerbation of lumbar degenerative disc disease. Dr. Poetz offered some testimony suggesting he believes that the effects of the work injury would render employee permanently and totally disabled in isolation. We are not persuaded. Instead, we find that the effects of the work injury resulted in an overall 30\% permanent partial disability of the body as a whole referable to the resulting medical conditions we have identified affecting employee's spine.
We deem reasonable and hereby adopt the administrative law judge's finding that employee reached maximum medical improvement from the effects of the work injury as of January 4, 2012, when the treating surgeon, Dr. Chad Morgan, released employee following the July 2011 surgery he performed (in part) to address employee's C5-6 herniation resulting from the work injury. ${ }^{1}$