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股骨转子间骨折内固定术后头颈钉位置评估的研究进展

Advances in evaluation methods for cephalic fixator position in femoral intertrochanteric fractures after internal fixation

来源期刊: 广州医药 | 1158-1164 发布时间:2025-09-20 收稿时间:2025/11/3 11:55:25 阅读量:22
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关键词:
股骨转子间骨折 内固定 头颈钉位置 人工智能
intertrochanteric fractures internal fixation cephalic fixator position artificial intelligence
DOI:
10. 20223 / j. cnki. 1000-8535. 2025. 09. 001
收稿时间:
2024-12-04 
修订日期:
 
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引用总数:
0  
股骨转子间骨折是最常见的髋部骨折,内固定手术为其目前治疗的首选方式。头颈钉位置是评估手术效果和判断治疗预后的重要因素,合适的置钉位置有利于稳定骨折、加速康复以及改善预后。目前头颈钉位置最经典的评估方式为尖顶距(TAD),但TAD至今仍存在较多争议。近年来提出的轴刀角、尖颈距离比、偏心距(ED)以及标准化TAD(STAD)为临床实践拓展了新视野。文章通过对上述头颈钉位置的评估方法及局限性进行文献综述,旨在为临床手术置钉时提供相应的参考。ED和STAD的提出,为未来人工智能评估头颈钉位置提供了可能。
Femoral intertrochanteric fracture is one of the most common hip fractures, and the internal fixation is the preferred treatment. The position of cephalic fixator is an important factor to evaluate the effect of operation and the prognosis of treatment. Tip-apex-distance(TAD)is the most classical method to evaluate the position of cephalic fixator, but it is still controversial. In recent years, the axis-blade angle,tip-neck distance ratio, eccentric distance(ED)and standardized TAD(STAD)have been proposed,though with limitations, they also provide a new perspective for clinical practice. In this study, we reviewed the literature on the evaluation of the position of cephalic fixator in order to provide the corresponding references and guidance for the clinical operation of internal fixation. Both STAD and ED may be the theoretical possibility of artificial intelligence evaluation of the position of cephalic fixator in the future.
       杨运发   医学博士,美国匹兹堡大学访问学者,骨科主任医师,博士生导师,博士后合作导师,华南理工大学附属第二医院(广州市第一人民医院)大外科副主任兼骨科主任;广东省医学会显微外科学分会第九届委员会主任委员,中华医学会显微外科学分会第十一届委员会委员;广东省医学会创伤骨科学分会常委兼骨盆髋部损伤学组副组长;AO Trauma国际会员;《中华显微外科杂志》《中国临床解剖学杂志》《广州医药》编委;《中华创伤骨科杂志》通讯编委;主持科研课题9项,获广东省科技进步二等奖等科技奖励6项;第一作者或通讯作者发表SCI收录论文17篇,主译出版专著1部,第一发明人获授权国家专利6项;熟练掌握骨科微创、显微、修复和重建技术,擅长骨关节损伤、缺损、肿瘤、感染、畸形等骨科疑难疾病的诊断与治疗。


       随着人口老龄化和骨质疏松发病率的增加,
髋部骨折的发生率逐年升高[1-3]。髋部骨折是导致老年人致残以及死亡的主要原因之一,故也被称为“死亡骨折”[2,4-5]。股骨转子间骨折是髋部骨折最常见的类型,治疗的金标准为手术治疗。含头颈钉(螺旋刀片)的髓外或髓内内固定治疗因其适应症广、手术时间短及创伤少,是目前最常用的固定方式[5]。然而,即使随着手术技巧的逐步成熟与内固定的不断发展,股骨转子间骨折术后内固定相关并发症包括头颈钉切出、穿头、退出、“Z”效应等并发症仍然较为常见,其发生率可达5%~20%[6-9]。内固定相关并发症不仅严重影响患者生活质量,也大大增加了二次手术的难度以及死亡的风险。因此,如何有效减少此类并发症的发生,是目前国内外学者的研究焦[10-13]。目前较为一致的观点认为,内固定相关并发症的发生与骨骼质量、骨折类型、复位程度、内固定类型以及内固定位置有关[14]。其中,头颈钉位置是影响手术固定效果最直接且是医生可控的影响因素之一。国内外学者对如何评估头颈钉位置已进行许多研究,提出许多经典的测量方式,如Cleveland分区、Parker’s ratio、尖顶距(tip-apex-distance,TAD)、股距尖顶距(calcar referenced tip-apex-distance,CalTAD)[15-18]亦有学者提出新的评估方式,但最经典仍然是TAD[19-22]。对于经典测量方式,文献中已有综述报道[23-24]。但对于新型评估方式,该类系统综述鲜有报道。因此,本文通过对股骨转子间骨折内固定头颈钉位置的新型评估方法进行文献综述,为临床应用提供参考,也为未来人工智能评估提供了理论基础。

1  尖顶距

1.1  概念与临床应用

        1995年Baumgaertner等[15]提出了“TAD”的概念并指出,TAD<25 mm可有效降低头颈钉切出的发生率。1997年Baumgaertner等[25]前瞻性研究进一步证实了TAD<25 mm的预测有效性。在2009年美国骨与关节外科杂志(Journal of Bone andJoint Surgery American Volume,JBJS Am)发表的关于提高股骨转子间骨折治疗效果的十大手术技巧,TAD被置于首要位置[26]。虽然TAD作为最经典的头颈钉测量指标,其应用理念已深入人心,但TAD目前仍存在许多争议,且难用于人工智能评估。

1.2  研究与不足

       TAD第一个争议点为TAD上限值。Baumgaertner经典研究以及2020年《老年股骨转子间骨折诊疗指南》均指出TAD最佳上限值为25 mm[5,26]然而,既往许多研究均认为TAD最佳上限值并非25 mm[7,27-29]。2004年,Pervez等[27]提出TAD最佳上限值是20 mm。2010年,Hsueh等[28]提出TAD最佳上限应小于15 mm。2012年,De Bruijn等[29]为,TAD是预测头颈钉切出的独立因素之一,TAD每增加1 mm,相应的头颈钉切出风险增加10%,进一步分析发现19.9 mm为TAD最佳上限值,而且该标准在预测头颈钉切出的应用中优于传统TAD<25 mm。2017年,意大利学者Caruso等[7]认为TAD最佳上限值则为30.7 mm。
       TAD第二个争议点为TAD在螺旋刀片中的适配性。TAD的理念是基于髓外固定DHS的拉力螺钉提出,而螺旋刀片具有轴向面积小、抗旋转能力和抗切出能力强,成角稳定性高以及抗骨质疏松等优点,近年来广泛应用于临床。国内外学者研究结论指出,螺旋刀片的TAD上限值与拉力螺钉无明显差异[30-33]。另有部分学者认为,螺旋刀片的TAD上限值应该小于拉力螺钉。李海丰等[34]的回顾性研究认为,TAD值为15~20 mm可以增加螺旋刀片的初始稳定性,并且不增加移位风险。2020年,Yam等[6]认为:螺旋刀片固定后,头颈钉与骨折块存在“棘轮效应”,TAD<20 mm并不会增加头颈钉穿入股骨头的风险。然而,亦有学者认为螺旋刀片的TAD应该大于拉力螺钉。2013年,Nikoloski等[35]认为螺旋刀片TAD应为20~30 mm。2017年,Yam 等[36]指出螺旋刀片TAD上限值应该为不超过27 mm。
       TAD第三个争议点为TAD个体化测量。如前所述,TAD的最佳上限值仍无统一标准。许多学者认为这种现象与股骨头的体积和大小有关。因此提出了个体化测量的相关理念。2013年,Goffin[37]通过数学模拟仿真研究指出TAD阈值应根据股骨头大小进行调整。2016年,李双等[38]通过模拟仿真研究指出,股骨头直径大小对TAD有显著影响,相对化体积比更适合测量和评估头颈钉位置。2022年,杨运发等[20]基于经典TAD的测量方法提出相应的个体化测量方法,该研究亦指出新型个体化测量方法更适用于评估头颈钉位置及预测头颈钉的切出概率。

2  轴刀角

2.1  概念与临床应用

       2019年,Mao等[19]提出一个可直观定量评估螺旋刀片方向的测量指标轴刀角(axis-blade angle,ABA)。ABA是通过测量正侧位X线片螺旋刀片中线与股骨头颈中轴线的夹角,当刀片偏上或偏前时夹角记为负值,偏下或偏后记为正值,两夹角之和即为ABA。该团队并通过回顾性分析和探究ABA在预测股骨转子间骨折内固定术后并发症的可靠性,纳入Cleveland分区、Parker’s ratio、TAD、CalTAD、复位质量等多个因素进行统计分析,得出骨折复位治疗和ABA是预测螺旋刀片切出的影响因素,ABA>-10°可有效避免发生螺旋刀片切出,且ABA每增加1°,切出发生风险就降低14%。2023年,该研究团队进一步通过生物力学研究分析得出头颈钉位于股骨头下-后区及下-中区是最佳位置,进一步证实ABA>−10°对预防术后发生螺旋刀片切割失效的价值[39],为人工智能的数据识别提供了可能。

2.2  研究与不足

       Mao等[19]认为,既往测量方法例如Cleveland分区、TAD、CalTAD等均未直接重视头颈钉方向,具有相同TAD与CalTAD数值的头颈钉可能存在完全不同的位置分布。Parker’s ratio虽考虑头颈钉方向,但其测量方式较为繁琐,不够直观方便。他们认为ABA是一种方便直观、量化头颈钉置入角度与方向的测量方法,该研究结果也支持目前较为主流的置钉观点,即头颈钉置于股骨头下-中或下-后区域[15,19,40-41]。其次,术者可在插入头颈钉前,通过先调整导丝使其获得合适的ABA,以减少术中反复置钉的操作次数,获得满意的置钉位置。
       从生物力学角度而言,ABA存在一定的力学优势。首先,经典测量方法如TAD、CalTAD只关注钉尖的位置,而ABA则关注头颈钉整体的位置,头颈钉整体方向的改变会影响内植物-骨骼接触面积和锚定力。其次,ABA较大时,头颈钉往往位于股骨头的下后象限,该位置为张力骨小梁及压力骨小梁相交而成,确保了对近端骨折块的最大把持力。最后,较大的ABA使头颈钉更接近股骨端,可提供机械支撑并有助于股骨近端内侧的负荷分配,从而有助于支撑后内侧皮层以维持一定的插入深度。
       然而,该研究未指出ABA的最佳上限范围,其次,ABA不能直接量化或判断头颈钉的插入深度。最后,ABA提出时间较短,未在临床上广泛应用,需临床研究进一步验证其有效性及优越性。

3  尖颈距离比

3.1  概念与临床应用

       2022年,Çepni等[21]提出相对指标尖颈距离比(tip-neck distance ratio,TNDR),即测量正位X线片螺旋刀片尖端与股骨头颈下、上方交接点的距离(a与b),侧位片螺旋刀片尖端与股骨头颈后、前方交接点的距离(c与d),TNDR计算公式为TNDR=(a+c)/(b+d)。
       该团队通过回顾性分析纳入125例行股骨近端髓内钉治疗的股骨转子间骨折患者,以探究术后头颈钉发生切出的危险因素[21]。该研究平均随访时间为14.6个月,共16例患者出现头颈钉切出(12.8%),纳入Cleveland分区、Parker’s ratio、TAD、CalTAD、TNDR、复位质量等多个因素进行统计分析,单因素及多因素分析均提示TNDR增加是发生螺旋刀片切出并发症的危险因素之一,切出组平均TNDR为1.19,而未发生螺旋刀片切出组平均TNDR为0.86,即TNDR偏下、偏后放置可以有效降低螺钉切出的发生率。然而,该研究未分析和指出TNDR的最佳预测阈值。TNDR因其为相对比例测量,为人工智能的数据采集提供了可能。

3.2  研究与不足

        Çepni等[21]认为既往测量方式如Parker’s ratio、TAD等过于关注和重视头颈钉,而并非骨骼本身的影响,没有考虑股骨颈解剖变异以及复位丢失。当骨折复位未达到解剖复位时,颈干角过大或过小会引起股骨头、颈轴线与头颈钉轴线不平行,进而导致测量结果不准确。因此,TNDR是基于头颈钉与股骨颈作为整体评估而提出的测量方式,该方法为相对性的测量方法,与解剖结构的大小、变异均无关。Çepni等[42]认为,主流观点建议头颈钉置于下-中或下-后象限,而TNDR更有利于指导术者将头颈钉置于下-中或下-后象限,而且可以有效预测头颈钉切出的发生率。
       然而如前所述,该研究未进一步分析TNDR的最佳阈值范围与参考值,仅得出定性结论。其次,TNDR不能指导头颈钉的钉道方向。最后,目前TNDR在临床上的应用与验证较少,未见其他研究报道,仍需临床及生物力学研究进一步验证其有效性及优越性。

4  偏心距

4.1  概念与临床应用

       2022年,杨运发等[22]提出一个不受股骨头大小影响、可更准确定量判断头颈钉与股骨头几何中心相对位置的指标偏心距(eccentric distance,ED)。ED是基于假设股骨头为半径(RFD)为3的规则球体,通过测量正、侧位X线片头颈钉钉尖至股骨头颈中轴线的垂直距离,分别记为y0和x0。随后分别计算此距离与股骨头半径RFD的比值记为yx,ED计算公式为 
       该团队通过回顾性纳入123例股骨转子间骨折行单头颈钉内固定治疗的患者,探究ED在预测头颈钉切出的应用价值[43]。该研究患者的平均随访时间为11.8个月,其中15例患者发生头颈螺钉切出或即将切出(12.2%),纳入Singh指数、复位质量、骨折类型、ED等变量进行回归分析,结果提示ED是预测头颈钉切出的唯一影响因素,而且ED越大切出发生率越高。当ED>1时头颈钉切出发生率明显增加。切出组平均ED为1.25,而未发生切出组平均ED为0.64,进一步分析提示头颈钉钉尖置于ED≤1时(即股骨头半径的1/3)可以有效减少头颈钉切出的风险。ED的测量,为人工智能的数据比较提供了可能。

4.2  研究与不足

       因为股骨头中心为张力性骨小梁和压力性骨小梁的交汇处,该位置骨密度及骨硬度最高[15,17]所以头颈钉中心-中心位置即Cleveland 5区固定,这也是目前置钉的主流观点之一[44-47]。然而即使是置于中心位置,头颈钉仍出现切出的情况[46-47]。杨运发等[20,22]认为,即使头颈钉钉尖同位于5区,位于5区边缘与5区中心,其头颈钉的锚定力和把持效能也不同。因为5区边缘与5区中心相比,偏离距离更远,把持力和抗轴压力可能更差,导致置钉于5区仍会出现头颈钉切出。然而文献中缺乏较为准确、方便地判断头颈钉钉尖位于股骨头几何中心相对位置的评估方式。因此,该团队提出一个可直观反映头颈钉与股骨头几何中心的相对空间距离ED。在该研究中,ED预测头颈钉切出的准确性较高(灵敏度为73.3%,特异度为86.1%,受试者工作曲线下面积为0.867)。该研究结果也解释了头颈钉钉尖置于稍偏中-上位置亦不易出现头颈钉切出的现象。即使是头颈钉轻度偏上或者偏前,只要ED<1,其发生切出风险也相对较低。此外,由于与Cleveland分区系统匹配,ED测量较为简单方便,可与人工智能如手术导航机器人结合以判读分析,指导术中头颈钉置入和调整,优化手术流程。
       ED也存在相应的不足之处。首先ED将股骨头视为理想且规则的球体,然而现实情况往往并非如此。其次,ED应用未在其他内固定类型中验证。其次,ED没有充分考虑头颈钉置钉深度。总的来说,ED是一个比较新颖的相对测量指标,不受个体差异限制,但是提出时间短,缺乏广泛的临床研究和应用验证,尚需进一步开展临床和基础研究以证明其有效性以及在不同内植物中的应用效果。

5  标准化 TAD

5.1  概念与临床应用

        2022年,杨运发等[20]基于TAD测量方法,提出一个不受股骨头解剖和大小差异影响的测量指标,即标准化TAD(standardized TAD,STAD)。STAD是将TAD距离值转化为与股骨头直径的相对比值:为方便计算和比较,设定自身股骨头直径(iFHD)为6 D(即1 iFHD=6 D)的规则球体,正侧位X线片测量头颈钉尖至股骨头顶点距离的方法与TAD相同,分别记为X和Y,再计算X、Y与正侧位股骨头直径DAP、DLat。STAD计算公式为STAD=(X/DAP+Y/DLat)×iFHD。
       本团队通过回顾性分析和探究STAD在判断股骨转子间骨折单头颈钉髓内固定术后头颈钉切出的应用价值,纳入Cleveland分区、Parker’s ratio、TAD、复位质量等多个因素进行统计分析,发现STAD越大切出发生率越高,切出组平均STAD为3.14,而未发生切出组平均STAD为2.35,当STAD ≤2 D时未见螺钉切出发生。回归分析结果提示STAD是预测头颈钉切出的唯一影响因素,进一步分析发现STAD预测价值优于TAD,STAD预测头颈钉切出的最佳阈值为2.92 D(即略小于自身股骨头半径)。考虑到临床应用方便性,该研究分析STAD<3 D的预测效能并与传统TAD<25 mm比较,发现STAD<3 D也可有效预测术后头颈钉切出发生。因此,该团队提出头颈钉置于STAD<3 D(即自身股骨头半径,术中可以根据此标准进行调整螺钉位置,使正侧位实际尖顶距小于1/2自身股骨头半径)可以有效降低头颈钉切出的风险。STAD的测量,为实现术中人工智能的评估提供了可能。

5.2   研究与不足

        如前所述,Baumgaertner等[15]在首次报道TAD时即指出TAD<25 mm可降低头颈钉切出风险。然而目前对TAD最佳阈值仍无统一标准。意大利学者Caruso等[7]认为TAD最佳上限应该为30.7。而日本学者Fujii等[28]则认为在TAD上限标准应为<20 mm。Hsueh等[28]研究发现当TAD小于15 mm,头颈钉切出发生率为0%(79例患者无一例出现切出)。杨运发等[20]认为,研究人群股骨头直径大小的差异可能是导致TAD存在不同标准的主要原因。许多研究表明股骨头大小与人种、身高及体质量有关[48-51]。克罗地亚学者Mokrovic[50]通过影像学分析发现人群中股骨头直径最大差异可达22 mm。张英泽等[49]和Lin等[52]究发现,我国华南地区人群与华北地区人群股骨头直径平均差异为6 mm[(45.40±3.21)mm vs(51.03±3.88)mm]。因此,在股骨头直径存在较大差异前提下,TAD作为绝对值指标用于评估头颈钉位置可能存在一定局限性,需要作标准化处理、相对化评估,即提出STAD,所以STAD实质上是TAD与自身股骨头直径的量化关系,不受身高、体质量、性别等因素影响,且不需要考虑影像系统的放大率,易于骨科医生以及人工智能使用和识别,而且临床应用方便,术者可通过术中透视直观地评估置钉效果以作调整。
       当然,STAD也存在一定不足。首先,STAD也是假设股骨头为理想且规则的球体,但实际并非如此,其几何参数与解剖、体位以及X线投照角度均有关。其次STAD在其他内固定种类的应用效果尚未明确。第三,STAD提出时间短,未进行广泛的临床应用与验证,缺少生物力学与基础研究的分析与理论支持,仍然需进一步验证其应用价值。

6  总结与展望

       头颈钉位置的评估一直是股骨转子间骨折的研究热点。经典的TAD测量仍然是目前临床应用的主要方法。然而,其在上限值、适配性及个体化测量等存在较多争议。近年来,临床中已报道多种新型的头颈钉位置评估方法,虽未经广泛临床应用证实,但它们都有独特的创新视角,都是对既往评估方法的补充和优化。特别是ED和STAD的提出,具有与人工智能结合的潜力,对头颈钉位置评估方法的进一步完善具有重要意义。
1、ZHANG%E2%80%83C%EF%BC%8CFENG%E2%80%83J%EF%BC%8CWANG%E2%80%83S%EF%BC%8Cet%E2%80%83al%EF%BC%8EIncidence%E2%80%83%0Aof%E2%80%83and%E2%80%83trends%E2%80%83in%E2%80%83%20hip%E2%80%83fracture%E2%80%83among%E2%80%83adults%E2%80%83in%E2%80%83%20urban%E2%80%83%0AChina%EF%BC%9AA%E2%80%83nationwide%E2%80%83retrospective%E2%80%83cohort%E2%80%83study%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0APLoS%E2%80%83Med%EF%BC%8C2020%EF%BC%8C17%EF%BC%888%EF%BC%89%EF%BC%9Ae1003180%EF%BC%8EZHANG%E2%80%83C%EF%BC%8CFENG%E2%80%83J%EF%BC%8CWANG%E2%80%83S%EF%BC%8Cet%E2%80%83al%EF%BC%8EIncidence%E2%80%83%0Aof%E2%80%83and%E2%80%83trends%E2%80%83in%E2%80%83%20hip%E2%80%83fracture%E2%80%83among%E2%80%83adults%E2%80%83in%E2%80%83%20urban%E2%80%83%0AChina%EF%BC%9AA%E2%80%83nationwide%E2%80%83retrospective%E2%80%83cohort%E2%80%83study%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0APLoS%E2%80%83Med%EF%BC%8C2020%EF%BC%8C17%EF%BC%888%EF%BC%89%EF%BC%9Ae1003180%EF%BC%8E
2、COOPER%E2%80%83C%EF%BC%8CCAMPION%E2%80%83G%EF%BC%8CMELTON%E2%80%83L%E2%80%83J%EF%BC%8EHip%E2%80%83%0Afractures%E2%80%83in%E2%80%83the%E2%80%83elderly%EF%BC%9AA%E2%80%83world-wide%E2%80%83projection%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0AOsteoporos%E2%80%83Int%EF%BC%8C1992%EF%BC%8C2%EF%BC%886%EF%BC%89%EF%BC%9A285-289%EF%BC%8ECOOPER%E2%80%83C%EF%BC%8CCAMPION%E2%80%83G%EF%BC%8CMELTON%E2%80%83L%E2%80%83J%EF%BC%8EHip%E2%80%83%0Afractures%E2%80%83in%E2%80%83the%E2%80%83elderly%EF%BC%9AA%E2%80%83world-wide%E2%80%83projection%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0AOsteoporos%E2%80%83Int%EF%BC%8C1992%EF%BC%8C2%EF%BC%886%EF%BC%89%EF%BC%9A285-289%EF%BC%8E
3、KAPLAN%E2%80%83K%EF%BC%8CMIYAMOTO%E2%80%83R%EF%BC%8CLEVINE%E2%80%83B%E2%80%83R%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0ASurgical%E2%80%83management%E2%80%83of%E2%80%83hip%E2%80%83fractures%EF%BC%9AAn%E2%80%83evidence%02based%E2%80%83review%E2%80%83of%E2%80%83the%E2%80%83literature%EF%BC%8EII%EF%BC%9AIntertrochanteric%E2%80%83%0Afractures%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Am%E2%80%83Acad%E2%80%83Orthop%E2%80%83Surg%EF%BC%8C2008%EF%BC%8C16%0A%EF%BC%8811%EF%BC%89%EF%BC%9A665-673%EF%BC%8EKAPLAN%E2%80%83K%EF%BC%8CMIYAMOTO%E2%80%83R%EF%BC%8CLEVINE%E2%80%83B%E2%80%83R%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0ASurgical%E2%80%83management%E2%80%83of%E2%80%83hip%E2%80%83fractures%EF%BC%9AAn%E2%80%83evidence%02based%E2%80%83review%E2%80%83of%E2%80%83the%E2%80%83literature%EF%BC%8EII%EF%BC%9AIntertrochanteric%E2%80%83%0Afractures%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Am%E2%80%83Acad%E2%80%83Orthop%E2%80%83Surg%EF%BC%8C2008%EF%BC%8C16%0A%EF%BC%8811%EF%BC%89%EF%BC%9A665-673%EF%BC%8E
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6、YAM%E2%80%83M%EF%BC%8CKANG%E2%80%83B%E2%80%83J%EF%BC%8CCHAWLA%E2%80%83A%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0ACephalomedullary%E2%80%83blade%E2%80%83cut-ins%EF%BC%9AA%E2%80%83poorly%E2%80%83understood%E2%80%83%0Aphenomenon%EF%BC%BBJ%EF%BC%BD%EF%BC%8EArch%E2%80%83Orthop%E2%80%83Trauma%E2%80%83Surg%EF%BC%8C%0A2020%EF%BC%8C140%EF%BC%8812%EF%BC%89%EF%BC%9A1939-1945%EF%BC%8EYAM%E2%80%83M%EF%BC%8CKANG%E2%80%83B%E2%80%83J%EF%BC%8CCHAWLA%E2%80%83A%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0ACephalomedullary%E2%80%83blade%E2%80%83cut-ins%EF%BC%9AA%E2%80%83poorly%E2%80%83understood%E2%80%83%0Aphenomenon%EF%BC%BBJ%EF%BC%BD%EF%BC%8EArch%E2%80%83Orthop%E2%80%83Trauma%E2%80%83Surg%EF%BC%8C%0A2020%EF%BC%8C140%EF%BC%8812%EF%BC%89%EF%BC%9A1939-1945%EF%BC%8E
7、CARUSO%E2%80%83G%EF%BC%8CBONOMO%E2%80%83M%EF%BC%8CVALPIANI%E2%80%83G%EF%BC%8Cet%E2%80%83al%EF%BC%8EA%E2%80%83%0Asix-year%E2%80%83retrospective%E2%80%83analysis%E2%80%83of%E2%80%83cut-out%E2%80%83risk%E2%80%83predictors%E2%80%83%0Ain%E2%80%83%20cephalomedullary%E2%80%83%20nailing%E2%80%83%20for%E2%80%83%20pertrochanteric%E2%80%83%0Afractures%EF%BC%9ACan%E2%80%83the%E2%80%83tip-apex%E2%80%83distance%EF%BC%88TAD%EF%BC%89still%E2%80%83%0Abe%E2%80%83considered%E2%80%83the%E2%80%83best%E2%80%83parameter%3F%EF%BC%BBJ%EF%BC%BD%EF%BC%8EBone%E2%80%83Joint%E2%80%83%0ARes%EF%BC%8C2017%EF%BC%8C6%EF%BC%888%EF%BC%89%EF%BC%9A481-488%EF%BC%8ECARUSO%E2%80%83G%EF%BC%8CBONOMO%E2%80%83M%EF%BC%8CVALPIANI%E2%80%83G%EF%BC%8Cet%E2%80%83al%EF%BC%8EA%E2%80%83%0Asix-year%E2%80%83retrospective%E2%80%83analysis%E2%80%83of%E2%80%83cut-out%E2%80%83risk%E2%80%83predictors%E2%80%83%0Ain%E2%80%83%20cephalomedullary%E2%80%83%20nailing%E2%80%83%20for%E2%80%83%20pertrochanteric%E2%80%83%0Afractures%EF%BC%9ACan%E2%80%83the%E2%80%83tip-apex%E2%80%83distance%EF%BC%88TAD%EF%BC%89still%E2%80%83%0Abe%E2%80%83considered%E2%80%83the%E2%80%83best%E2%80%83parameter%3F%EF%BC%BBJ%EF%BC%BD%EF%BC%8EBone%E2%80%83Joint%E2%80%83%0ARes%EF%BC%8C2017%EF%BC%8C6%EF%BC%888%EF%BC%89%EF%BC%9A481-488%EF%BC%8E
8、MAO%E2%80%83W%EF%BC%8CNI%E2%80%83H%EF%BC%8CLI%E2%80%83L%EF%BC%8Cet%E2%80%83al%EF%BC%8ECompa%20ri%20so%20n%E2%80%83%20of%E2%80%83%0ABaumgaertner%E2%80%83and%E2%80%83Chang%E2%80%83%20reduction%E2%80%83quality%E2%80%83criteria%E2%80%83for%E2%80%83%0Athe%E2%80%83assessment%E2%80%83of%E2%80%83trochanteric%E2%80%83fractures%EF%BC%BBJ%EF%BC%BD%EF%BC%8EBone%E2%80%83%0AJoint%E2%80%83Res%EF%BC%8C2019%EF%BC%8C8%EF%BC%8810%EF%BC%89%EF%BC%9A502-508%EF%BC%8EMAO%E2%80%83W%EF%BC%8CNI%E2%80%83H%EF%BC%8CLI%E2%80%83L%EF%BC%8Cet%E2%80%83al%EF%BC%8ECompa%20ri%20so%20n%E2%80%83%20of%E2%80%83%0ABaumgaertner%E2%80%83and%E2%80%83Chang%E2%80%83%20reduction%E2%80%83quality%E2%80%83criteria%E2%80%83for%E2%80%83%0Athe%E2%80%83assessment%E2%80%83of%E2%80%83trochanteric%E2%80%83fractures%EF%BC%BBJ%EF%BC%BD%EF%BC%8EBone%E2%80%83%0AJoint%E2%80%83Res%EF%BC%8C2019%EF%BC%8C8%EF%BC%8810%EF%BC%89%EF%BC%9A502-508%EF%BC%8E
9、LEE%E2%80%83S%E2%80%83R%EF%BC%8CKIM%E2%80%83S%E2%80%83T%EF%BC%8CYOON%E2%80%83M%E2%80%83G%EF%BC%8Cet%E2%80%83al%EF%BC%8EThe%E2%80%83stability%E2%80%83%0Ascore%E2%80%83%20of%E2%80%83the%E2%80%83intramedullary%E2%80%83%20nailed%E2%80%83intertrochanteric%E2%80%83%0Afractures%EF%BC%9AStability%E2%80%83of%E2%80%83nailed%E2%80%83fracture%E2%80%83and%E2%80%83postoperative%E2%80%83%0Apatient%E2%80%83mobilization%EF%BC%BBJ%EF%BC%BD%EF%BC%8EClin%E2%80%83Orthop%E2%80%83Surg%EF%BC%8C2013%EF%BC%8C%0A5%EF%BC%881%EF%BC%89%EF%BC%9A10-18%EF%BC%8ELEE%E2%80%83S%E2%80%83R%EF%BC%8CKIM%E2%80%83S%E2%80%83T%EF%BC%8CYOON%E2%80%83M%E2%80%83G%EF%BC%8Cet%E2%80%83al%EF%BC%8EThe%E2%80%83stability%E2%80%83%0Ascore%E2%80%83%20of%E2%80%83the%E2%80%83intramedullary%E2%80%83%20nailed%E2%80%83intertrochanteric%E2%80%83%0Afractures%EF%BC%9AStability%E2%80%83of%E2%80%83nailed%E2%80%83fracture%E2%80%83and%E2%80%83postoperative%E2%80%83%0Apatient%E2%80%83mobilization%EF%BC%BBJ%EF%BC%BD%EF%BC%8EClin%E2%80%83Orthop%E2%80%83Surg%EF%BC%8C2013%EF%BC%8C%0A5%EF%BC%881%EF%BC%89%EF%BC%9A10-18%EF%BC%8E
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13、QUEALLY%E2%80%83J%E2%80%83M%EF%BC%8CHARRIS%E2%80%83E%EF%BC%8CHANDOLL%E2%80%83H%E2%80%83H%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0AIntramedullary%E2%80%83nails%E2%80%83for%E2%80%83extracapsular%E2%80%83hip%E2%80%83fractures%E2%80%83in%E2%80%83%0Aadults%EF%BC%BBJ%EF%BC%BD%EF%BC%8ECochrane%E2%80%83Database%E2%80%83Syst%E2%80%83Rev%EF%BC%8C2014%EF%BC%8C2014%EF%BC%889%EF%BC%89%EF%BC%9ACD004961%EF%BC%8EQUEALLY%E2%80%83J%E2%80%83M%EF%BC%8CHARRIS%E2%80%83E%EF%BC%8CHANDOLL%E2%80%83H%E2%80%83H%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0AIntramedullary%E2%80%83nails%E2%80%83for%E2%80%83extracapsular%E2%80%83hip%E2%80%83fractures%E2%80%83in%E2%80%83%0Aadults%EF%BC%BBJ%EF%BC%BD%EF%BC%8ECochrane%E2%80%83Database%E2%80%83Syst%E2%80%83Rev%EF%BC%8C2014%EF%BC%8C2014%EF%BC%889%EF%BC%89%EF%BC%9ACD004961%EF%BC%8E
14、KAUFER%E2%80%83H%EF%BC%8EMechanics%E2%80%83of%E2%80%83the%E2%80%83treatment%E2%80%83of%E2%80%83hip%E2%80%83injuries%0A%EF%BC%BBJ%EF%BC%BD%EF%BC%8EClin%E2%80%83Orthop%E2%80%83Relat%E2%80%83Res%EF%BC%8C1980%EF%BC%88146%EF%BC%89%EF%BC%9A%0A53-61%EF%BC%8EKAUFER%E2%80%83H%EF%BC%8EMechanics%E2%80%83of%E2%80%83the%E2%80%83treatment%E2%80%83of%E2%80%83hip%E2%80%83injuries%0A%EF%BC%BBJ%EF%BC%BD%EF%BC%8EClin%E2%80%83Orthop%E2%80%83Relat%E2%80%83Res%EF%BC%8C1980%EF%BC%88146%EF%BC%89%EF%BC%9A%0A53-61%EF%BC%8E
15、BAUMGAERTNER%E2%80%83M%E2%80%83R%EF%BC%8CCURTIN%E2%80%83S%E2%80%83L%EF%BC%8CLINDSKOG%E2%80%83%0AD%E2%80%83M%EF%BC%8Cet%E2%80%83al%EF%BC%8EThe%E2%80%83%20value%E2%80%83%20of%E2%80%83the%E2%80%83tip-apex%E2%80%83%20distance%E2%80%83in%E2%80%83%0Apredicting%E2%80%83failure%E2%80%83of%E2%80%83fixation%E2%80%83of%E2%80%83peritrochanteric%E2%80%83fractures%E2%80%83%0Aof%E2%80%83the%E2%80%83hip%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Bone%E2%80%83Joint%E2%80%83Surg%E2%80%83Am%EF%BC%8C1995%EF%BC%8C77%0A%EF%BC%887%EF%BC%89%EF%BC%9A1058-1064%EF%BC%8EBAUMGAERTNER%E2%80%83M%E2%80%83R%EF%BC%8CCURTIN%E2%80%83S%E2%80%83L%EF%BC%8CLINDSKOG%E2%80%83%0AD%E2%80%83M%EF%BC%8Cet%E2%80%83al%EF%BC%8EThe%E2%80%83%20value%E2%80%83%20of%E2%80%83the%E2%80%83tip-apex%E2%80%83%20distance%E2%80%83in%E2%80%83%0Apredicting%E2%80%83failure%E2%80%83of%E2%80%83fixation%E2%80%83of%E2%80%83peritrochanteric%E2%80%83fractures%E2%80%83%0Aof%E2%80%83the%E2%80%83hip%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Bone%E2%80%83Joint%E2%80%83Surg%E2%80%83Am%EF%BC%8C1995%EF%BC%8C77%0A%EF%BC%887%EF%BC%89%EF%BC%9A1058-1064%EF%BC%8E
16、KASHIGAR%E2%80%83A%EF%BC%8CVINCENT%E2%80%83A%EF%BC%8CGUNTON%E2%80%83M%E2%80%83J%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0APredictors%E2%80%83of%E2%80%83failure%E2%80%83for%E2%80%83cephalomedullary%E2%80%83%20nailing%E2%80%83of%E2%80%83%0Aproximal%E2%80%83femoral%E2%80%83fractures%EF%BC%BBJ%EF%BC%BD%EF%BC%8EBone%E2%80%83Joint%E2%80%83J%EF%BC%8C%0A2014%EF%BC%8C96-B%EF%BC%888%EF%BC%89%EF%BC%9A1029-1034%EF%BC%8EKASHIGAR%E2%80%83A%EF%BC%8CVINCENT%E2%80%83A%EF%BC%8CGUNTON%E2%80%83M%E2%80%83J%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0APredictors%E2%80%83of%E2%80%83failure%E2%80%83for%E2%80%83cephalomedullary%E2%80%83%20nailing%E2%80%83of%E2%80%83%0Aproximal%E2%80%83femoral%E2%80%83fractures%EF%BC%BBJ%EF%BC%BD%EF%BC%8EBone%E2%80%83Joint%E2%80%83J%EF%BC%8C%0A2014%EF%BC%8C96-B%EF%BC%888%EF%BC%89%EF%BC%9A1029-1034%EF%BC%8E
17、CLEVELAND%E2%80%83M%EF%BC%8CBOSWORTH%E2%80%83D%E2%80%83M%EF%BC%8CTHOMPSON%E2%80%83%0AF%E2%80%83R%EF%BC%8Cet%E2%80%83al%EF%BC%8EA%E2%80%83ten-year%E2%80%83analysis%E2%80%83of%E2%80%83intertrochanteric%E2%80%83%0Afractures%E2%80%83of%E2%80%83the%E2%80%83femur%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Bone%E2%80%83Joint%E2%80%83Surg%E2%80%83Am%EF%BC%8C%0A1959%EF%BC%8841-A%EF%BC%89%EF%BC%9A1399-1408%EF%BC%8ECLEVELAND%E2%80%83M%EF%BC%8CBOSWORTH%E2%80%83D%E2%80%83M%EF%BC%8CTHOMPSON%E2%80%83%0AF%E2%80%83R%EF%BC%8Cet%E2%80%83al%EF%BC%8EA%E2%80%83ten-year%E2%80%83analysis%E2%80%83of%E2%80%83intertrochanteric%E2%80%83%0Afractures%E2%80%83of%E2%80%83the%E2%80%83femur%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Bone%E2%80%83Joint%E2%80%83Surg%E2%80%83Am%EF%BC%8C%0A1959%EF%BC%8841-A%EF%BC%89%EF%BC%9A1399-1408%EF%BC%8E
18、PARKER%E2%80%83M%E2%80%83J%EF%BC%8ECutting-out%E2%80%83of%E2%80%83the%E2%80%83dynamic%E2%80%83hip%E2%80%83screw%E2%80%83%0Arelated%E2%80%83to%E2%80%83its%E2%80%83position%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Bone%E2%80%83Joint%E2%80%83Surg%E2%80%83Br%EF%BC%8C%0A1992%EF%BC%8C74%EF%BC%884%EF%BC%89%EF%BC%9A625%EF%BC%8EPARKER%E2%80%83M%E2%80%83J%EF%BC%8ECutting-out%E2%80%83of%E2%80%83the%E2%80%83dynamic%E2%80%83hip%E2%80%83screw%E2%80%83%0Arelated%E2%80%83to%E2%80%83its%E2%80%83position%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Bone%E2%80%83Joint%E2%80%83Surg%E2%80%83Br%EF%BC%8C%0A1992%EF%BC%8C74%EF%BC%884%EF%BC%89%EF%BC%9A625%EF%BC%8E
19、MAO%E2%80%83W%EF%BC%8CHE%E2%80%83Y%E2%80%83Q%EF%BC%8CTANG%E2%80%83H%EF%BC%8Cet%E2%80%83al%EF%BC%8EA%E2%80%83novel%E2%80%83angle%E2%80%83%0Aon%E2%80%83%20helical%E2%80%83%20blade%E2%80%83%20placement%E2%80%83in%E2%80%83trochanteric%E2%80%83fractures%E2%80%83%0A-%E2%80%83The%E2%80%83axis-blade%E2%80%83angle%EF%BC%BBJ%EF%BC%BD%EF%BC%8EInjury%EF%BC%8C2019%EF%BC%8C50%0A%EF%BC%887%EF%BC%89%EF%BC%9A1333-1338%EF%BC%8EMAO%E2%80%83W%EF%BC%8CHE%E2%80%83Y%E2%80%83Q%EF%BC%8CTANG%E2%80%83H%EF%BC%8Cet%E2%80%83al%EF%BC%8EA%E2%80%83novel%E2%80%83angle%E2%80%83%0Aon%E2%80%83%20helical%E2%80%83%20blade%E2%80%83%20placement%E2%80%83in%E2%80%83trochanteric%E2%80%83fractures%E2%80%83%0A-%E2%80%83The%E2%80%83axis-blade%E2%80%83angle%EF%BC%BBJ%EF%BC%BD%EF%BC%8EInjury%EF%BC%8C2019%EF%BC%8C50%0A%EF%BC%887%EF%BC%89%EF%BC%9A1333-1338%EF%BC%8E
20、YANG%E2%80%83Y%E2%80%83F%EF%BC%8CHUANG%E2%80%83J%E2%80%83W%EF%BC%8CGAO%E2%80%83X%E2%80%83S%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0AStandardized%E2%80%83Tip-Apex%E2%80%83Distance%EF%BC%88STAD%EF%BC%89%EF%BC%9AA%E2%80%83%0Amodified%E2%80%83individualized%E2%80%83%20measurement%E2%80%83%20of%E2%80%83%20cephalic%E2%80%83%0Afixator%E2%80%83position%E2%80%83based%E2%80%83on%E2%80%83its%E2%80%83own%E2%80%83femoral%E2%80%83head%E2%80%83diameter%E2%80%83%0Ain%E2%80%83%20geriatric%E2%80%83intertrochanteric%E2%80%83fractures%E2%80%83with%E2%80%83internal%E2%80%83%0Afixation%EF%BC%BBJ%EF%BC%BD%EF%BC%8EBMC%E2%80%83Musculoskelet%E2%80%83Disord%EF%BC%8C2023%EF%BC%8C%0A24%EF%BC%881%EF%BC%89%EF%BC%9A189%EF%BC%8EYANG%E2%80%83Y%E2%80%83F%EF%BC%8CHUANG%E2%80%83J%E2%80%83W%EF%BC%8CGAO%E2%80%83X%E2%80%83S%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0AStandardized%E2%80%83Tip-Apex%E2%80%83Distance%EF%BC%88STAD%EF%BC%89%EF%BC%9AA%E2%80%83%0Amodified%E2%80%83individualized%E2%80%83%20measurement%E2%80%83%20of%E2%80%83%20cephalic%E2%80%83%0Afixator%E2%80%83position%E2%80%83based%E2%80%83on%E2%80%83its%E2%80%83own%E2%80%83femoral%E2%80%83head%E2%80%83diameter%E2%80%83%0Ain%E2%80%83%20geriatric%E2%80%83intertrochanteric%E2%80%83fractures%E2%80%83with%E2%80%83internal%E2%80%83%0Afixation%EF%BC%BBJ%EF%BC%BD%EF%BC%8EBMC%E2%80%83Musculoskelet%E2%80%83Disord%EF%BC%8C2023%EF%BC%8C%0A24%EF%BC%881%EF%BC%89%EF%BC%9A189%EF%BC%8E
21、%C3%87EPNI%E2%80%83%20%C5%9E%EF%BC%8CSUBA%C5%9E%C4%B1%20%C4%B0%20%C3%96%EF%BC%8C%C5%9EAHIN%E2%80%83A%EF%BC%8Cet%E2%80%83al%EF%BC%8ETip%02neck%E2%80%83distance%E2%80%83%20ratio%E2%80%83as%E2%80%83a%E2%80%83novel%E2%80%83predictor%E2%80%83for%E2%80%83failure%E2%80%83in%E2%80%83%0Acephalomedullary%E2%80%83%20nailing%E2%80%83%20of%E2%80%83%20unstable%E2%80%83trochanteric%E2%80%83%0Afractures%EF%BC%88UTF%EF%BC%89%EF%BC%BBJ%EF%BC%BD%EF%BC%8EArch%E2%80%83Orthop%E2%80%83Trauma%E2%80%83Surg%EF%BC%8C%0A2022%EF%BC%8C142%EF%BC%8810%EF%BC%89%EF%BC%9A2619-2626%EF%BC%8E%C3%87EPNI%E2%80%83%20%C5%9E%EF%BC%8CSUBA%C5%9E%C4%B1%20%C4%B0%20%C3%96%EF%BC%8C%C5%9EAHIN%E2%80%83A%EF%BC%8Cet%E2%80%83al%EF%BC%8ETip%02neck%E2%80%83distance%E2%80%83%20ratio%E2%80%83as%E2%80%83a%E2%80%83novel%E2%80%83predictor%E2%80%83for%E2%80%83failure%E2%80%83in%E2%80%83%0Acephalomedullary%E2%80%83%20nailing%E2%80%83%20of%E2%80%83%20unstable%E2%80%83trochanteric%E2%80%83%0Afractures%EF%BC%88UTF%EF%BC%89%EF%BC%BBJ%EF%BC%BD%EF%BC%8EArch%E2%80%83Orthop%E2%80%83Trauma%E2%80%83Surg%EF%BC%8C%0A2022%EF%BC%8C142%EF%BC%8810%EF%BC%89%EF%BC%9A2619-2626%EF%BC%8E
22、YANG%E2%80%83Y%E2%80%83F%EF%BC%8CHUANG%E2%80%83J%E2%80%83W%EF%BC%8CGAO%E2%80%83X%E2%80%83S%EF%BC%8Cet%E2%80%83al%EF%BC%8EThe%E2%80%83%0Acorrelation%E2%80%83between%E2%80%83cutout%E2%80%83and%E2%80%83eccentric%E2%80%83distance%0A%EF%BC%88ED%EF%BC%89of%E2%80%83%20the%E2%80%83%20cephalic%E2%80%83%20fixato%20r%E2%80%83%20tip%E2%80%83%20in%E2%80%83%20ge%20riat%20ric%E2%80%83%0Aintertrochanteric%E2%80%83fractures%E2%80%83with%E2%80%83internal%E2%80%83fixation%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0AJ%E2%80%83Orthop%E2%80%83Surg%E2%80%83Res%EF%BC%8C2022%EF%BC%8C17%EF%BC%881%EF%BC%89%EF%BC%9A263%EF%BC%8EYANG%E2%80%83Y%E2%80%83F%EF%BC%8CHUANG%E2%80%83J%E2%80%83W%EF%BC%8CGAO%E2%80%83X%E2%80%83S%EF%BC%8Cet%E2%80%83al%EF%BC%8EThe%E2%80%83%0Acorrelation%E2%80%83between%E2%80%83cutout%E2%80%83and%E2%80%83eccentric%E2%80%83distance%0A%EF%BC%88ED%EF%BC%89of%E2%80%83%20the%E2%80%83%20cephalic%E2%80%83%20fixato%20r%E2%80%83%20tip%E2%80%83%20in%E2%80%83%20ge%20riat%20ric%E2%80%83%0Aintertrochanteric%E2%80%83fractures%E2%80%83with%E2%80%83internal%E2%80%83fixation%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0AJ%E2%80%83Orthop%E2%80%83Surg%E2%80%83Res%EF%BC%8C2022%EF%BC%8C17%EF%BC%881%EF%BC%89%EF%BC%9A263%EF%BC%8E
23、茆玮,何益群,董有海.股骨转子间骨折手术中螺钉位置的研究进展[J].中国矫形外科杂志,2019,27(6):530-535.茆玮,何益群,董有海.股骨转子间骨折手术中螺钉位置的研究进展[J].中国矫形外科杂志,2019,27(6):530-535.
24、费林聪,郑徐洲,徐学鹏,等.股骨转子间骨折头颈钉位置评估方式研究进展[J].中国修复重建外科杂志,2023,37(9):1149-1155.费林聪,郑徐洲,徐学鹏,等.股骨转子间骨折头颈钉位置评估方式研究进展[J].中国修复重建外科杂志,2023,37(9):1149-1155.
25、BAUMGAERTNER%E2%80%83M%E2%80%83R%EF%BC%8CSOLBERG%E2%80%83B%E2%80%83D%EF%BC%8EAwareness%E2%80%83%0Aof%E2%80%83tip-apex%E2%80%83%20distance%E2%80%83%20reduces%E2%80%83failure%E2%80%83%20of%E2%80%83fixation%E2%80%83%20of%E2%80%83%0Atrochanteric%E2%80%83fractures%E2%80%83of%E2%80%83the%E2%80%83hip%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Bone%E2%80%83%20Joint%E2%80%83%0ASurg%E2%80%83Br%EF%BC%8C1997%EF%BC%8C79%EF%BC%886%EF%BC%89%EF%BC%9A969-971%EF%BC%8EBAUMGAERTNER%E2%80%83M%E2%80%83R%EF%BC%8CSOLBERG%E2%80%83B%E2%80%83D%EF%BC%8EAwareness%E2%80%83%0Aof%E2%80%83tip-apex%E2%80%83%20distance%E2%80%83%20reduces%E2%80%83failure%E2%80%83%20of%E2%80%83fixation%E2%80%83%20of%E2%80%83%0Atrochanteric%E2%80%83fractures%E2%80%83of%E2%80%83the%E2%80%83hip%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Bone%E2%80%83%20Joint%E2%80%83%0ASurg%E2%80%83Br%EF%BC%8C1997%EF%BC%8C79%EF%BC%886%EF%BC%89%EF%BC%9A969-971%EF%BC%8E
26、HAIDUKEWYCH%E2%80%83G%E2%80%83J%EF%BC%8EIntertrochanteric%E2%80%83fractures%EF%BC%9A%0ATen%E2%80%83tips%E2%80%83to%E2%80%83improve%E2%80%83results%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Bone%E2%80%83%20Joint%E2%80%83%20Surg%E2%80%83%0AAm%EF%BC%8C2009%EF%BC%8C91%EF%BC%883%EF%BC%89%EF%BC%9A712-719%EF%BC%8EHAIDUKEWYCH%E2%80%83G%E2%80%83J%EF%BC%8EIntertrochanteric%E2%80%83fractures%EF%BC%9A%0ATen%E2%80%83tips%E2%80%83to%E2%80%83improve%E2%80%83results%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Bone%E2%80%83%20Joint%E2%80%83%20Surg%E2%80%83%0AAm%EF%BC%8C2009%EF%BC%8C91%EF%BC%883%EF%BC%89%EF%BC%9A712-719%EF%BC%8E
27、PERVEZ%E2%80%83H%EF%BC%8CPARKER%E2%80%83M%E2%80%83J%EF%BC%8CVOWLER%E2%80%83S%EF%BC%8EPrediction%E2%80%83%0Aof%E2%80%83fixation%E2%80%83failure%E2%80%83after%E2%80%83sliding%E2%80%83hip%E2%80%83screw%E2%80%83fixation%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0AInjury%EF%BC%8C2004%EF%BC%8C35%EF%BC%8810%EF%BC%89%EF%BC%9A994-998%EF%BC%8EPERVEZ%E2%80%83H%EF%BC%8CPARKER%E2%80%83M%E2%80%83J%EF%BC%8CVOWLER%E2%80%83S%EF%BC%8EPrediction%E2%80%83%0Aof%E2%80%83fixation%E2%80%83failure%E2%80%83after%E2%80%83sliding%E2%80%83hip%E2%80%83screw%E2%80%83fixation%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0AInjury%EF%BC%8C2004%EF%BC%8C35%EF%BC%8810%EF%BC%89%EF%BC%9A994-998%EF%BC%8E
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33、ZHOU%E2%80%83J%E2%80%83Q%EF%BC%8CCHANG%E2%80%83S%E2%80%83M%EF%BC%8EFailure%E2%80%83of%E2%80%83PFNA%EF%BC%9AHelical%E2%80%83%0Ablade%E2%80%83perforation%E2%80%83and%E2%80%83tip-apex%E2%80%83distance%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0AInjury%EF%BC%8C2012%EF%BC%8C43%EF%BC%887%EF%BC%89%EF%BC%9A1227-1228%EF%BC%8EZHOU%E2%80%83J%E2%80%83Q%EF%BC%8CCHANG%E2%80%83S%E2%80%83M%EF%BC%8EFailure%E2%80%83of%E2%80%83PFNA%EF%BC%9AHelical%E2%80%83%0Ablade%E2%80%83perforation%E2%80%83and%E2%80%83tip-apex%E2%80%83distance%EF%BC%BBJ%EF%BC%BD%EF%BC%8E%0AInjury%EF%BC%8C2012%EF%BC%8C43%EF%BC%887%EF%BC%89%EF%BC%9A1227-1228%EF%BC%8E
34、李海丰,王华,张英琪,等.头髓钉治疗高龄股骨转子间骨折的尖顶距与螺旋刀片移位的关系[J].中国修复重建外科杂志,2019,33(10):1234-1238.李海丰,王华,张英琪,等.头髓钉治疗高龄股骨转子间骨折的尖顶距与螺旋刀片移位的关系[J].中国修复重建外科杂志,2019,33(10):1234-1238.
35、NIKOLOSKI%E2%80%83A%E2%80%83N%EF%BC%8COSBROUGH%E2%80%83A%E2%80%83L%EF%BC%8CYATES%E2%80%83P%E2%80%83J%EF%BC%8E%0AShould%E2%80%83the%E2%80%83tip-apex%E2%80%83distance%EF%BC%88TAD%EF%BC%89rule%E2%80%83be%E2%80%83modified%E2%80%83%0Afor%E2%80%83the%E2%80%83proximal%E2%80%83femoral%E2%80%83nail%E2%80%83antirotation%EF%BC%88PFNA%EF%BC%89%3F%E2%80%83A%E2%80%83%0Aretrospective%E2%80%83study%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Orthop%E2%80%83Surg%E2%80%83Res%EF%BC%8C2013%EF%BC%888%EF%BC%89%EF%BC%9A35%EF%BC%8ENIKOLOSKI%E2%80%83A%E2%80%83N%EF%BC%8COSBROUGH%E2%80%83A%E2%80%83L%EF%BC%8CYATES%E2%80%83P%E2%80%83J%EF%BC%8E%0AShould%E2%80%83the%E2%80%83tip-apex%E2%80%83distance%EF%BC%88TAD%EF%BC%89rule%E2%80%83be%E2%80%83modified%E2%80%83%0Afor%E2%80%83the%E2%80%83proximal%E2%80%83femoral%E2%80%83nail%E2%80%83antirotation%EF%BC%88PFNA%EF%BC%89%3F%E2%80%83A%E2%80%83%0Aretrospective%E2%80%83study%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Orthop%E2%80%83Surg%E2%80%83Res%EF%BC%8C2013%EF%BC%888%EF%BC%89%EF%BC%9A35%EF%BC%8E
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50、MOKROVIC%E2%80%83H%EF%BC%8CKOMEN%E2%80%83S%EF%BC%8CGULAN%E2%80%83L%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0ARadiographic%E2%80%83analysis%E2%80%83of%E2%80%83the%E2%80%83proximal%E2%80%83femoral%E2%80%83anatomy%E2%80%83%0Ain%E2%80%83the%E2%80%83Croatian%E2%80%83population%EF%BC%BBJ%EF%BC%BD%EF%BC%8EInt%E2%80%83Orthop%EF%BC%8C2021%EF%BC%8C%0A45%EF%BC%884%EF%BC%89%EF%BC%9A923-929%EF%BC%8EMOKROVIC%E2%80%83H%EF%BC%8CKOMEN%E2%80%83S%EF%BC%8CGULAN%E2%80%83L%EF%BC%8Cet%E2%80%83al%EF%BC%8E%0ARadiographic%E2%80%83analysis%E2%80%83of%E2%80%83the%E2%80%83proximal%E2%80%83femoral%E2%80%83anatomy%E2%80%83%0Ain%E2%80%83the%E2%80%83Croatian%E2%80%83population%EF%BC%BBJ%EF%BC%BD%EF%BC%8EInt%E2%80%83Orthop%EF%BC%8C2021%EF%BC%8C%0A45%EF%BC%884%EF%BC%89%EF%BC%9A923-929%EF%BC%8E
51、UNNANUNTANA%E2%80%83A%EF%BC%8CTOOGOOD%E2%80%83P%EF%BC%8CHART%E2%80%83D%EF%BC%8C%0Aet%E2%80%83al%EF%BC%8EEvaluation%E2%80%83of%E2%80%83proximal%E2%80%83femoral%E2%80%83geometry%E2%80%83using%E2%80%83%0Adigital%E2%80%83photographs%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Orthop%E2%80%83Res%EF%BC%8C2010%EF%BC%8C28%0A%EF%BC%8811%EF%BC%89%EF%BC%9A1399-1404%EF%BC%8EUNNANUNTANA%E2%80%83A%EF%BC%8CTOOGOOD%E2%80%83P%EF%BC%8CHART%E2%80%83D%EF%BC%8C%0Aet%E2%80%83al%EF%BC%8EEvaluation%E2%80%83of%E2%80%83proximal%E2%80%83femoral%E2%80%83geometry%E2%80%83using%E2%80%83%0Adigital%E2%80%83photographs%EF%BC%BBJ%EF%BC%BD%EF%BC%8EJ%E2%80%83Orthop%E2%80%83Res%EF%BC%8C2010%EF%BC%8C28%0A%EF%BC%8811%EF%BC%89%EF%BC%9A1399-1404%EF%BC%8E
52、LIN%E2%80%83K%E2%80%83J%EF%BC%8CWEI%E2%80%83H%E2%80%83W%EF%BC%8CLIN%E2%80%83K%E2%80%83P%EF%BC%8Cet%E2%80%83al%EF%BC%8EProximal%E2%80%83%0Afemoral%E2%80%83morphology%E2%80%83%20and%E2%80%83the%E2%80%83%20relevance%E2%80%83to%E2%80%83%20design%E2%80%83%20of%E2%80%83%0Aanatomically%E2%80%83precontoured%E2%80%83plates%EF%BC%9AA%E2%80%83%20study%E2%80%83%20of%E2%80%83the%E2%80%83%0AChinese%E2%80%83population%EF%BC%BBJ%EF%BC%BD%EF%BC%8ESci%E2%80%83World%E2%80%83J%EF%BC%8C2014%0A%EF%BC%882014%EF%BC%89%EF%BC%9A106941%EF%BC%8ELIN%E2%80%83K%E2%80%83J%EF%BC%8CWEI%E2%80%83H%E2%80%83W%EF%BC%8CLIN%E2%80%83K%E2%80%83P%EF%BC%8Cet%E2%80%83al%EF%BC%8EProximal%E2%80%83%0Afemoral%E2%80%83morphology%E2%80%83%20and%E2%80%83the%E2%80%83%20relevance%E2%80%83to%E2%80%83%20design%E2%80%83%20of%E2%80%83%0Aanatomically%E2%80%83precontoured%E2%80%83plates%EF%BC%9AA%E2%80%83%20study%E2%80%83%20of%E2%80%83the%E2%80%83%0AChinese%E2%80%83population%EF%BC%BBJ%EF%BC%BD%EF%BC%8ESci%E2%80%83World%E2%80%83J%EF%BC%8C2014%0A%EF%BC%882014%EF%BC%89%EF%BC%9A106941%EF%BC%8E
1、广州市临床特色技术项目(2023C-TS32);广州市临床高新技术联合建设项目(2024PL-GX11);广州市 科技局基础与应用研究重点项目(2024A03J1179)()
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