ガンマネイルにおけるＯｎｅＳｈｏｔ　Ｇｕｉｄｅの有用性

DOI 被引用文献2件 参考文献10件

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  • Utility of OneShot Guide in Gemma Nail Surgery

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The purpose of this study was to investigate the effects of utilizing the OneShot Guide (OSG) during gamma nail surgery.<br>From 1998, we performed 104 gamma nail surgeries (84 trochanteric fractures, eight subtrochanteric fractures and 12 basal neck fractures) utilizing the OSG (OSG group). The average ageat surgery was 82.0 years, and the average follow-up was 5.5 months. To evaluate the position of the lag screw, 121 proximal femoral fractures for which the OSG was not used were assigned to the control group. The position of the lag screw and rate of complications (postoperative varus deformity, cut out, protrusion of nail head, ectopic ossification, and pseudarthrotis) were compared between these two groups.<br>In the OSG group, 96 of 104 cases (92.3%) had ideal setting of the lag screw. In the control group, only 57 of 121 cases (47.0%) had ideal insertion of the lag screw, indicating statistical difference between the two groups. There were seven post-operative varus deformities in the control group, and only one in the OSG group. Regarding other complications, there was a case of cut out, seven cases of protrusion of the nail head, four cases of ectopic ossification and no case of pseudoarthrosis in the control. On the other hand, there were no cases of cut out, three cases of protrusion of the nail head, five cases of ectopic ossification, and no cases of pseudoarthrosis in the OSG.<br>The OSG is an effective tool for facilitating insertion of the lag screw at the ideal position, reducing the complication rate when using the OSG during gamma nail surgery.

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