Long term follow-up of functional outcome after flexor tendon injury zone II repaired using unhas suture: A cross-sectional study

Abstract

ABSTRACT Background: One of the most common cases seen in hand injury is the flexor tendon injury. It may affect the activity of the patient's daily living especially in Zone 2 classified by Kleinert and Verdan. Flexor tendon injury management is challenging to give a good functional outcome after the tendon repair. Method: This cross-sectional study took place in Wahidin Sudirohusodo General Hospital, South Sulawesi, from January 2011 to January 2020. A total of 13 subjects and a total of 20 tendons were repaired using Unhas suture. The patients were assessed using Buck-Gramcko II score, Patient Evaluation Measurement Questionnaire, and Hand Grip Strength using a hand dynamometer. Result: A total of 20 tendons injured were followed up from 33 to 112 months after surgery (mean: 80.3 ± 8.2 months). According to Buck-Gramcko Score, four tendons classified as excellent, four tendons classified as very good, eight tendons classified as good, and four tendons classified as fair with a range of 8–16 (mean: 13.10 ± 2.38). None are classified as poor in this study. The 13 subjects were then asked to fill the Patient Evaluation Measurement Questionnaire, and a score of 71.43–91.84% was obtained (mean: 79.59 ± 4.84). The measurement using hand dynamometer had a mean of 72.2% of handgrip strength, with a handgrip deficit of 28%. Conclusion: Unhas suture may provide an excellent functional outcome according to Buck-Gramcko Score and Patient Evaluation Measure Questionnaire with a low complication rate in patients with flexor tendon injury zone II. Highlights

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