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USEFULNESS OF BRAIDED POLYBLEND POLYETHYLENE SUTURE MATERIAL FOR FLEXOR TENDON REPAIR IN ZONE II BY THE SIDE-LOCKING LOOP TECHNIQUE

Koji Ryoke, Yuji Uchio, Nobuo Yamagami, Suguru Kuwata, Kenji Nozaki, Soichiro Yamamoto, Yumiko Tsujimoto

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Flexor tendon injuries in zone II were treated in 14 fingers of 13 patients with our method. Firstly, a 2-strand core suture was made by the side-locking loop technique using a USP 2-0-sized braided polyblend polyethylene suture, then 7-strand peripheral cross-stitches were added using a USP 5-0-sized monofilament nylon suture. Post-operative exercises included passive flexion and extension without external fixation on the next day of surgery. Average follow-up observation period was 18 months. As results, the Strickland method of assessment for surgical outcome showed excellent in eight digits and good in five digits, though there was a poor outcome in one digit. Our suture method enabled early post-operative mobilisation exercise without using a splint, while preventing adhesion between the repaired tendon and peripheral tissues, which is considered to provide far greater ultimate tensile strength and a smaller gap at the sutured site than by the conventional method.