Bone suture anchors versus the pullout button for repair of distal profundus tendon injuries: A comparison of strength in human cadaveric hands

被引:78
作者
Brustein, M [1 ]
Pellegrini, J [1 ]
Choueka, J [1 ]
Heminger, H [1 ]
Mass, D [1 ]
机构
[1] Univ Chicago, Dept Surg, Sect Orthopaed Surg & Rehabil Med, Chicago, IL 60637 USA
来源
JOURNAL OF HAND SURGERY-AMERICAN VOLUME | 2001年 / 26A卷 / 03期
关键词
profundus; avulsion; repair techniques;
D O I
10.1053/jhsu.2001.24135
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
Avulsion or distal tendon laceration of flexor digitorum profundus (FDP) is classically repaired to the base of the distal phalanx via a pullout suture over a button. Bone suture anchors, used extensively in other surgical areas, have recently been proposed for reattachment of the FDP to the distal phalanx. The FDP tendons of the index, long, and ring fingers in 9 fresh frozen cadaveric hands were randomized to 1 of 3 repair techniques after simulated distal avulsion injuries. These were the pul lout button using 3-0 monofilament nylon in a 2-strand Bunnell suture pattern, the 1.8 mm Mini QuickAnchor (Mitek Products, Norwood, MA) using 3-0 braided polyester in a 2-strand Bunnell suture pattern, and the Mitek micro anchor using 3-0 braided polyester with a modified 4-strand Becker suture pattern. Nine specimens were loaded to failure, noting maximum load and mode of failure. The 1.3 mm Micro QuickAnchor (Mitek) technique (69.6 +/- 10.8 N) was significantly stronger than the pullout button (43.3 +/- 4.8 N) or the Mini anchor technique (44.6 +/- 12.7 N). The Micro bone suture anchor provides a stronger tendon to bone repair than the pullout button or the Mini anchor. Given the disadvantages of the pullout button, the Micro bone suture anchor with the modified Becker technique is worth consideration as an alternative method to repair distal FDP avulsions. Copyright (C) 2001 by the American Society for Surgery of the Hand.
引用
收藏
页码:489 / 496
页数:8
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