Biomechanical Comparison of a New Loop Suture Technique With Conventional Techniques of Flexor Tendon Repair: An In Vitro Study.

Abstract:

INTRODUCTION:Flexor tendon repair techniques that can resist active forces are widely accepted. Despite that many suture techniques have been described, the "perfect repair" for flexor tendons cannot be achieved yet. We aimed to compare a new loop suture technique with commonly used flexor tendon repair methods biomechanically in hen tendon. METHOD:We used 25 hen flexor tendons for each group (4-strand modified Kessler, grasping cruciate, Tsuge, and new technique groups). After the tendons were divided into 2, they were repaired according to these 4 techniques, were subjected to the initial stretching of 0.5 N, and pulled in the opposite directions. When a gap of 2 mm occurred, the test was terminated and the forces at that time were recorded. These strain forces were compared and evaluated statistically. RESULTS:New technique had the best tensile strength results statistically. Modified Kessler and grasping cruciate took the second place and Tsuge repair gave the worst strain forces results. CONCLUSIONS:With loop suture, 4 strands can be obtained with only 2 passes of the needle, and we think that much more tensile strength can be achieved because of the vertical transition and locking configurations of the new loop suture technique.

journal_name

Ann Plast Surg

authors

Yildiran G,Akdag O,Tosun Z

doi

10.1097/SAP.0000000000001625

subject

Has Abstract

pub_date

2019-04-01 00:00:00

pages

441-444

issue

4

eissn

0148-7043

issn

1536-3708

journal_volume

82

pub_type

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