Strength of fixation with transosseous sutures in rotator cuff repair

被引:77
作者
Caldwell, GL
Warner, JJP
Miller, MD
Boardman, D
Towers, J
Debski, R
机构
[1] UNIV PITTSBURGH, DEPT ORTHOPAED SURG, PITTSBURGH, PA 15260 USA
[2] UNIV PITTSBURGH, MUSCULOSKELETAL RES CTR, PITTSBURGH, PA 15260 USA
关键词
D O I
10.2106/00004623-199707000-00013
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
The effect of various configurations of placement of transosseous sutures on the immediate strength of fixation was studied in forty-five fresh-frozen humeri from cadavera of older individuals (mean age at the time of death, sixty-three years). The ultimate strength (the strength to failure) was significantly greater (p < 0.05) when the sutures were placed at sites more distal to the tip of the greater tuberosity or when the sutures were tied over a wider bone bridge, Cortical augmentation with use of a plastic button through which the transosseous sutures were tied increased the ultimate strength approximately 1.9-fold. The increase in the ultimate strength of the transosseous repair corresponded significantly with the increasing mean thickness of the cortical bone as the sutures were placed more distally along the lateral aspect of the humerus. We concluded that the strength of the fixation of a rotator cuff repair can be increased by placing the transosseous sutures at least ten millimeters distal to the tip of the greater tuberosity and by tying them over a bone bridge that is at least ten millimeters wide. When bone is very osteoporotic, cortical augmentation with a readily available plastic button strengthens the repair.
引用
收藏
页码:1064 / 1068
页数:5
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