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. 2023 Jun 2:37:163-170.
doi: 10.1016/j.jpra.2023.05.004. eCollection 2023 Sep.

Central Slip Repair using Trans-articular K-wires: A Comparative Study

S Carr  1 , P J O'Donoghue  1 , A Bowe  2 , B O'Ceallaigh  2 , E Siney  2 , J L Kelly  1
Affiliations

Central Slip Repair using Trans-articular K-wires: A Comparative Study

S Carr et al. JPRAS Open. .

Abstract

Central slip disruption may lead to PIP joint dysfunction causing significant morbidity. Existing evidence for any specific surgical management of these injuries is limited but does favor early mobilization of the PIP joint. Aim: To assess the functional outcome in a cohort of patients undergoing central slip repair with internal K-wire proximal interphalangeal joint splinting and complete immobilization against those with external splinting only. Methods: A single center retrospective analysis of all patients that underwent operative central slip repair in our institution over a 5-year period. Data were collected via the HIPE database and clinical notes. Data relating to demographics as well as range of motion, total active motion {(TAM) (TAM%)} score, and hand therapy rehabilitation type were analyzed. Results: The study population was n = 44 patients. N = 33 patients were treated without a K-wire and n = 11 treated with a K-wire. There was a male predominance, 81.8% (n = 36). Mean age was 40.4 years. There was no significant difference in the mean TAM achieved at final measurement between the "no K-wire" and the "K-wire" treatment groups [no K-wire 202.1° (standard deviations (SD) 40.0) vs. K-wire 187.4° (SD 28.2), p = 0.208]. The "no K-wire group" achieved a mean TAM % of 78.0 (SD 11.4) and the "K-wire group" achieved a mean TAM % of 72.1 (SD 10.8); no statistically significant difference in mean scores was observed between groups. Conclusion: Our study has shown comparable functional outcomes between those having complete joint immobilization with internal K-wire splinting and those that are externally splinted only following central slip repair.

Keywords: Central Slip Repair; Extensor injury; K-Wire; Repair.

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Figures

Figure 1
Figure 1
(a) Illustration of central slip repair and K-wire placement. (b) Plain radiograph of oblique trans-articular K-wire placement.
See this image and copyright information in PMC

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