Author:
Suryavanshi Joash R.,Cox Cameron T.,Osemwengie Bradley O.,Domingo-Johnson E. L.,Jones Hunter B.,MacKay Brendan J.
Abstract
Zone II flexor tendons present unique challenges for repair because of their complex anatomy in a confined space. The approach for zone II injuries is often dictated by preexisting traumatic skin lacerations, with a midaxial or volar approach being most common. In some injuries, this approach is not viable, and alternative approaches must be considered. A 45-year-old man presented with a traumatic crush injury that caused complete disruption of the skin, tendon, capsule, collateral ligament, and volar plate and laceration of the flexor digitorum profundus in zone II near the proximal interphalangeal joint. Given the large, near-circumferential zone of injury, we used the traumatic dorsal wound for the flexor tendon for repair. There are no reports of this approach in the literature. Postoperatively, the proximal interphalangeal joint was immobilized for 6 weeks with a K-wire. The patient was followed in the clinic and prescribed occupational therapy. At the 4-month postoperative visit, the patient had a healed incision, no signs of infection, and intact median/radial sensations. Functional testing showed a loose composite fist, improved range of motion, and 2-cm tip-to-palm deficiency of the index finger. Grip strength was 85 lb in the right hand and 60 lb in the left hand. Although patients are not always expected to regain full function, their postoperative course may be further complicated by adhesion and the need for tenolysis. Given these historical complications of tendon repair and our patient's ability to return to work with satisfactory functional outcomes, this approach may be a viable option for treating this unique injury pattern. [
Orthopedics
. 2022;45(4):e216–e219.]
Subject
Orthopedics and Sports Medicine,Surgery
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