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首页> 外文期刊>Injury >The AO/ASIF proximal femoral nail antirotation (PFNA): a new design for the treatment of unstable proximal femoral fractures.
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The AO/ASIF proximal femoral nail antirotation (PFNA): a new design for the treatment of unstable proximal femoral fractures.

机译：AO / ASIF股骨近端钉防旋转（PFNA）：一种用于治疗不稳定的股骨近端骨折的新设计。

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INTRODUCTION: PFNA design compacts the cancellous bone to provide increased stability and has been bio-mechanically proven to retard rotation and varus collapse. METHODS: Between 2006 and 2007, 62 consecutive patients with unstable proximal femoral fractures were treated with the PFNA. RESULTS: Twenty males and 42 females with a mean age of 78 years (44-94) were reviewed. In 48 patients, the fracture resulted from a low energy injury. The majority of the fractures belonged to AO/ASIF types 31A2.3 (22) and 31A3.2 (29). Twelve patients required open reduction. The PFNA blade position was central in 52 patients with a mean tip-apex distance (TAD) of 12 mm (range 4-34 mm). Post-operatively, five patients died within 3 months and two patients were lost to follow-up. Forty-nine fractures united between 3 and 4 months. Four patients had delayed union. The PFNA blade cut out rate was 3.6%. CONCLUSIONS: Unstable proximal femoral fractures were treated successfully with the PFNA. The PFNA blade appears to provide additional anchoring in osteoporotic bone. No results have been published on this new design.
机译：简介：PFNA设计压实了松质骨，以提供更高的稳定性，并已通过生物力学证明可抑制旋转和内翻塌陷。方法：2006年至2007年间，连续62例不稳定的股骨近端骨折患者接受PFNA治疗。结果：20例男性和42例女性平均年龄为78岁（44-94岁）。在48例患者中，骨折是由于低能量损伤导致的。大多数骨折属于AO / ASIF类型31A2.3（22）和31A3.2（29）。 12名患者需要切开复位术。 PFNA刀片的位置在52例患者中处于中心位置，平均尖端距离（TAD）为12毫米（范围4-34毫米）。术后5例患者在3个月内死亡，另有2例患者失访。在3到4个月内合并了49处骨折。 4例患者延迟了愈合。 PFNA刀片的切出率为3.6％。结论：PFNA成功治疗了不稳定的股骨近端骨折。 PFNA刀片似乎在骨质疏松性骨中提供了额外的锚固。此新设计尚未发布任何结果。

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