PFNA를 이용한 대퇴골 근위부 관절외 골절의 치료-근위 대퇴정(PFN)과의 비교-
Treatment of the Proximal FemoralExtracapsular Fracture with ProximalFemoral Nail Antirotation(PFNA)-Comparison with Proximal FemoralNail(PFN)-
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목적: 근위부 대퇴골 골절시 근위 대퇴정과 새로 개발된 PFNA (Proximal Femur Nail Antirotation, AO saynthes) 의 치료 결과 차이를 비교하고자 한다. 대상 및 방법: 근위부 대퇴골 골절에 대해 PFNA를 이용한 금속내고정술을 시행한 20명과, 근위 대퇴정을 시행한 환자 중에서 성별, 골절 분류, 연령을 기준으로 20명을 match 하여 후향적 비교를 시행하였다. 치료에 대한 평가로써 수술 시간과 수술 중 출혈량 및 수혈량을 조사하였으며, 수술 후 전후면 및 측면 방사선 검사를 시행하여 Cleveland Index, Tip Apex Distance를 측 정하였고, 추시 방사선 검사를 통해 골유합, PFNA blade의 활강 정도와 합병증을 확인하였다. 결과: 근위 대퇴정과 비교하여 PFNA의 경우 수술 시간과 출혈량은 단축되었지만, 수혈량 및 골유합 기간은 통계적으로 유의한 차이를 보이지 않았다. 또한 수술 후 시행한 방사선 검사에 따른 Cleveland Index, Tip Apex Distance는 두 군에서 유의한 차이 를 보이지 않았지만, 활강 정도 및 합병증 발생은 PFNA가 더 적었다. 결론: 근위부 대퇴골 골절의 치료시 PFNA를 시행한 경우 근위 대퇴정과 비교하여 수술 시간과 출혈량을 단축시키고, 지연 나사 의 활강 등 수술 합병증이 적어, PFNA가 근위 대퇴정보다 더 우수하다고 사료된다.
Abstract
Purpose: This study compared the treatment results between PFN (Proximal Femoral Nail, AO synthes) and newly designed PFNA (Proximal Femoral Nail Antirotation, AO synthes) for proximal femoral fractures. Materials and Methods: Twenty cases, who were treated with PFNA to 20 matched pairs in regard of gender, fracture type, age among who were treated with PFN, were compared retrospectively. The clinical results were evaluated with the operation time, intraoperative bleeding and transfusion. The plain anteroposterior, axial radiograph postoperatively and the measured Cleveland Index and Tip Apex Distance were checked. Bone union, PFNA blade sliding and complications were estimated from the follow up radiograph. Results: There was a lower operation time and intraoperative bleeding in the PFNA group than in the PFN group but the bone union time and transfusion was similar in both groups. The Cleveland Index and Tip Apex Distance from the postoperative radiographs were similar but sliding and complications were lower in the PFNA cases. Conclusion: PFNA is superior to PFN because the operation time and intraoperative bleeding were diminished, and the complications, such as back out, had decreased.
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