Concomitant injuries affect prognosis in patients with central slip tear

Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS
Yuki FujiharaKentaro Watanabe

Abstract

Central slip tears often occur with concomitant hand injuries. However, the outcome of a central slip tear and the effect of concomitant injuries are rarely reported. We evaluated 67 fingers in 63 patients with central slip tears who underwent primary surgery in our hospital between April 2009 and June 2017. We performed multivariate analyses, with proximal interphalangeal (PIP) joint active range of motion (AROM) and existing extension lag greater than 10° as dependent variables and age, existence of concomitant fractures, skin defects, collateral ligament injuries, ruptured lateral bands, ruptured flexor tendons or vascular injury in the injured finger as independent variables. Concomitant injuries of tendons in the adjacent fingers were also independent variables. The average AROM of the PIP joint was 62°, and extension lag occurred in 34 fingers (51%). Patients aged > 40 years with fractures of the injured finger or flexor tendon injuries in an adjacent finger had low decreases in AROM (partial regression coefficient [95% confidence interval, CI]: -13.7 [43-66], -31.6 [30-57], -34.5 [32-60] and -33.5 [10-43]). Extensor tendon injuries in an adjacent finger caused significantly more extension lag in the PIP joint (odds ratio...Continue Reading

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