Department of Arthroscopic Surgery, Shanghai Jiaotong University, Shanghai, China.
Am J Sports Med. 2012 May;40(5):1161-6. doi: 10.1177/0363546511435627. Epub 2012 Feb 3.
Little information is available regarding parameters that would enable a surgeon to predict the size and length of 4-stranded semitendinosus (ST) and 4-stranded gracilis tendon (GT) grafts.
To evaluate whether certain preoperative anthropometric data enable prediction of the size of 4-stranded ST and GT autograft for anterior cruciate ligament (ACL) reconstruction.
Cohort study (prevalence); Level of evidence, 2.
This study involved 235 Chinese Han patients who underwent double-bundle ACL reconstruction with 4-stranded autogenous ST and GT grafts. Preoperatively, the authors recorded height, weight, body mass index (BMI), gender, age, and sports activity. During surgery, the usable length of the ST and GT and the diameter of the 4-stranded grafts made of ST and GT were measured. Multiple regression analysis was used to determine relationships between anthropometric measurements and the length and diameter of intraoperatively measured ST and GT grafts.
Strongest correlations for ST and GT length and GT graft diameter were height and weight. The strongest correlations for ST graft diameter were gender and weight. Body mass index had only moderate correlations with ST and GT graft size. Self-reported activity level was not correlated. Women had significantly smaller GT and ST graft diameters and shorter tendon lengths than did men. Semitendinosus graft size was significantly larger and longer than was the GT graft (7.4 ± 0.7 mm vs 5.9 ± 0.6 mm and 279.9 ± 20.8 mm vs 251.5 ± 20.8 mm, respectively). Simple regression analysis demonstrated that height, weight, and BMI can be used to predict ST and GT autograft length and diameter.
Several preoperative anthropometric measurements showed correlation with the length of the ST and GT and diameter of 4-stranded ST and GT grafts. The current data may provide surgeons with important preoperative information about size of ST and GT grafts and would be useful for patient counseling and alternative graft source planning.
关于能够使外科医生预测 4 股半腱肌腱（ST）和 4 股股薄肌腱（GT）移植物大小和长度的参数，信息很少。
评估某些术前人体测量数据是否可预测用于前交叉韧带（ACL）重建的 4 股 ST 和 GT 自体移植物的大小。
队列研究（患病率）；证据水平，2 级。
本研究纳入 235 例接受双束 ACL 重建的汉族患者，使用 4 股自体 ST 和 GT 移植物。术前，作者记录了身高、体重、体重指数（BMI）、性别、年龄和运动活动。术中测量 ST 和 GT 的可用长度和 4 股 ST 和 GT 移植物的直径。采用多元回归分析确定人体测量测量值与术中测量的 ST 和 GT 移植物的长度和直径之间的关系。
ST 和 GT 长度和 GT 移植物直径最强的相关性是身高和体重。ST 移植物直径最强的相关性是性别和体重。BMI 与 ST 和 GT 移植物大小只有中等相关性。自我报告的活动水平没有相关性。女性的 GT 和 ST 移植物直径和肌腱长度明显小于男性。半腱肌移植物的大小明显大于 GT 移植物（7.4 ± 0.7 mm 比 5.9 ± 0.6 mm 和 279.9 ± 20.8 mm 比 251.5 ± 20.8 mm）。简单回归分析表明，身高、体重和 BMI 可用于预测 ST 和 GT 自体移植物的长度和直径。
几项术前人体测量指标与 ST 和 GT 的长度以及 4 股 ST 和 GT 移植物的直径相关。目前的数据可为外科医生提供有关 ST 和 GT 移植物大小的重要术前信息，并有助于患者咨询和替代移植物来源计划。
