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대퇴 전자부 골절에 있어 감마정과 근위 대퇴정의 치료 비교

Comparison of the Gamma Nail and the Proximal Femoral Nail in the Treatment of Intertrochanteric Fracture

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초록

목적: 대퇴 전자부 골절의 치료에 있어서 감마정과 근위 대퇴정의 치료 결과를 비교 분석하였다. 대상 및 방법: 2003년 1월부터 2005년 12월까지 대퇴 전자부 골절로 수술을 받은 77예 (감마정 35예, 근위 대퇴정 42예)를 대상으로 하였다. 출혈량, 수술 시간, 안정 정복 및 내반 고정 여부 등 술기상의 차이 및 골유합 기간, 지연 나사의 대퇴 골두 관 통, 나사의 골두내 고정 위치, 골절부 정복의 안정성 여부 등을 비교하였다. 임상적으로는 술 전,후 활동 능력을 조사하였다. 결과: 수술 시간은 감마정이 근위 대퇴정보다 짧았고 지연 나사의 골두내 고정 위치도 감마정이 유의하게 골두 중심부에 위치하 였다. 나머지 변수들은 두 군간의 차이가 없었다. 지연 나사의 대퇴 골두 관통은 감마정은 없었고 근위 대퇴정은 2예가 관찰되었 다. 수술 후 합병증은 감마정은 8예의 지연 나사 근위부 이동이, 근위 대퇴정은 총 6예의 근위부 나사 외측 전위가 관찰되었다. 결론: 좁은 대퇴 경부에 두 개의 나사가 삽입되는 근위 대퇴정과는 달리 골질이 좋은 골두 중앙에 한 개의 나사가 삽입되는 감마 정은 통계적 의의는 없지만 치명적인 합병증인 대퇴 골두 관통을 일으키지 않았다. 또한 수술 시간이 짧아 감마정이 근위 대퇴 정보다 대퇴 전자부 골절의 치료에 유리할 것으로 생각된다.

Abstract

Purpose: We wanted to evaluate the results of fracture fixation with using Gamma nails and Proximal Femoral Nails (PFN) for treating intertrochanteric fractures. Materials and Methods: From January 2003 to December 2005, we reviewed 77 patients who suffered with intertrochanteric fractures (35 cases of Gamma nails and 42 cases of PFNs). We evaluated the intraoperative blood loss, the operation time, the presence of stable reduction and the varus reduction rate, the union time, cutting-out, the screw head position, the status of the fracture reduction and the complications. The pre- and post-operative difference in the patients’ ambulatory ability was also investigated. Results: The mean operation time with using Gamma nails was shorter and the screw with using Gamma nails was located more centrally than that with using PFNs. The other factors were not statistically different. Cutting-out was not noted with Gamma nails, but 2 cases of cutting out were noted with using PFNs. 8 cases of proximal migration were noted with Gamma nails and 6 cases of lateral protrusion of the proximal pin were noted with using PFNs. Conclusion: The Gamma nail for which a single lag screw was inserted centrally had no case of cutting-out, which was in contrast to using PFNs for which two lag screws were used, although there was no statistically significant difference. In addition to this, the shorter operative time makes Gamma nails more appropriate for the operative treatment of femoral intertrochanteric fracture.

참고문헌 (32)

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