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首页> 外文期刊>Injury >Use of a 'hybrid' locking plate for complex metaphyseal fractures and nonunions about the humerus.
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Use of a 'hybrid' locking plate for complex metaphyseal fractures and nonunions about the humerus.

机译:“混合型”锁定板用于复杂的干meta端骨折和肱骨周围的骨不连。

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PURPOSE: To review one surgeon's experience with a novel type of "hybrid" locking plate (which has both 3.5mm and 4.5mm locking holes) for difficult fractures of the meta-diaphyseal humeral shaft. METHODS: Over a 2-year period, 24 patients who presented with a metaphyseal humeral fracture or nonunion (proximal or distal) were treated surgically by a single surgeon. A "hybrid" locking plate containing 3.5mm locking holes on one end and 4.5mm locking holes on the other end (Metaphyseal plate, Synthes, Paoli, Pa) was used in all patients. The selection of this implant was based on fracture location and bone quality. Fractures were operated on through an anterolateral or direct posterior approach. All fractures were secured with a minimum of three 4.5mm screws on one side of the fracture and three 3.5mm screws on the other side. All patients were treated with a similar post-operative protocol for early range of shoulder and elbow motion. RESULTS: Three patients were lost to follow-up. The cohort consisted of 15 women and 6 men with a mean age of 49 years (range 18-78). There were 14 acute fractures and 7 nonunions. Twelve fractures involved the distal metaphyseal segment and 9 involved the proximal metaphyseal segment. Twenty-two patients completed a minimum 6-month clinical and radiographic follow-up and form the basis for this report. All 21 patients healed their fractures or nonunions at a mean of 4.5 months. There were no infections or hardware failures. In every case the "hybrid" nature of the plate design was felt to be advantageous. CONCLUSION: This "second generation" metaphyseal locking plate, which affords the surgeon the ability to place a greater number of smaller calibre screws within a short bone segment, while using traditional large fragment screw fixation in the longer segment, is clearly an improvement in plate design. Meta-diaphyseal upper extremity long bones may serve as the most ideal location for this implant.
机译:目的:回顾一位外科医生使用新型“混合型”锁定板(具有3.5mm和4.5mm的锁定孔)治疗肱骨干difficult端骨干骨折的经验。方法:在2年的时间内,由一名外科医生对24例表现为干phy端肱骨骨折或骨不连(近端或远端)的患者进行了手术治疗。所有患者均使用“混合”锁定板,该锁定板的一端具有3.5mm的锁定孔,另一端具有4.5mm的锁定孔(干holes板,Synthes,Paoli,Pa)。该植入物的选择基于骨折部位和骨质。骨折通过前外侧或直接后路入路。所有骨折均用骨折一侧至少3个4.5mm螺钉和另一侧至少3个3.5mm螺钉固定。所有患者均接受了类似的术后方案,以早期肩膀和肘部运动。结果:三例患者失访。该队列由15名女性和6名男性组成,平均年龄为49岁(范围18-78)。有14例急性骨折和7例骨不连。十二个骨折累及干meta端节段,9个累及近端干phy节段。 22名患者完成了至少6个月的临床和影像学随访,并构成了本报告的基础。所有21例患者均在4.5个月内平均治愈了骨折或骨不连。没有感染或硬件故障。在每种情况下,板设计的“混合”性质都被认为是有利的。结论:这种“第二代”干phy端锁定板使外科医生能够在较短的骨段中放置更多数量的较小口径螺钉,而在较长的段中使用传统的大片段螺钉固定,显然是对板的一种改进设计。 dia骨上肢长骨可能是该植入物的最理想位置。

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