Factors influencing the accuracy of iliosacral screw placement in trauma patients

被引:41
作者
Grossterlinden, Lars [1 ]
Rueger, Johannes [1 ]
Catala-Lehnen, Philip [1 ]
Rupprecht, Martin [1 ]
Lehmann, Wolfgang [1 ]
Ruecker, Andreas [1 ]
Briem, Daniel [1 ]
机构
[1] Univ Med Ctr Hamburg Eppendorf, Surg Sci Ctr, Dept Trauma Hand & Reconstruct Surg, Hamburg, Germany
关键词
COMPUTER-ASSISTED SURGERY; NAVIGATION; INSERTION; FIXATION; PEDICLE; EXPERIENCES; TRIAL;
D O I
10.1007/s00264-010-1092-7
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
Correct placement of iliosacral screws remains a surgical challenge. The aim of this retrospective study was to identify parameters which impact the accuracy of this technically demanding procedure. Eighty-two patients with vertically unstable pelvic injuries treated with a total of 147 iliosacral screws were included. Assessment of postoperative CT scans revealed screw misplacement in 13 cases (8%), of which six occurred following insertion of two unilateral screws into S1. Six screw misplacements occurred in patients with dislocation injuries of the posterior pelvis. Comparison of a navigated and the standard technique revealed a decreased screw misplacement rate in the navigated group (15% standard vs. 3% navigation, p < 0.05). In addition, the malposition rate was influenced by the surgeon's individual experience (20% for low vs. 3.9% for high volume surgeons, p < 0.05). Overall, the accuracy of iliosacral screw placement depends on the number of screws inserted into S1 and the extent of dislocation. In experienced hands, the use of navigation represents a helpful tool to improve the placement accuracy.
引用
收藏
页码:1391 / 1396
页数:6
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