INTRAARTICULAR CAPACITY AND COMPLIANCE OF STIFF AND NORMAL ELBOWS

被引：91

作者：

GALLAY, SH ^{[1
]}

RICHARDS, RR ^{[1
]}

ODRISCOLL, SW ^{[1
]}

机构：

[1] UNIV TORONTO,ST MICHAELS HOSP,DIV ORTHOPAED SURG,UPPER EXTREM RECONSTRUCT SERV,TORONTO M5B 1W8,ONTARIO,CANADA

来源：

ARTHROSCOPY | 1993年 / 9卷 / 01期

关键词：

ELBOW JOINT; CONTRACTURE; INTRAARTICULAR PRESSURE; CAPSULE COMPLIANCE; NEUROVASCULAR INJURY;

D O I：

10.1016/S0749-8063(05)80336-6

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 capacity, compliance, and position of minimum intraarticular pressure were measured in eight stiff and 10 normal elbows of 11 patients before corrective surgery for posttraumatic elbow joint contracture. Capsular compliance was determined from the slope of the pressure/volume relationships. The capacity of the normal elbow joint capsule was 14 +/- 2 ml, whereas that of the stiff elbow was 6 +/- 3 ml. The capsular compliance of the stiff elbow was only 15% of normal, confirming that the capsule is structurally altered and not just contracted. Adequate capsular distension of the stiff elbow might therefore not be possible, increasing the potential for neurovascular injury with use of the anterior portals in elbow arthroscopy, The position of minimum intraarticular pressure and maximum compliance (''resting position''), of the normal elbow was 70-degrees. If the elbow is left immobilized in this position for an extended period of time, the risk of posttraumatic elbow joint capsule contracture might increase. This agrees with our finding that the stiff elbows had a preoperative arc of motion of 70-120-degrees and a significantly diminished capsular capacity relative to normal.

引用

页码：9 / 13

页数：5

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