Eur Radiol:骨科手术植入的金属内固定出现了松动,如何修复一下呢?

2021-02-02 shaosai MedSci原创

在过去的二十多年中,骨科植入物手术量呈指数型增长,远期也有着很好的前景。随着人的寿命越来越长,退行性变所致骨质破坏常常需要骨科干预。

    在过去的二十多年中,骨科植入物手术量呈指数型增长,远期也有着很好的前景。随着人的寿命越来越长,退行性变所致骨质破坏常常需要骨科干预。金属植入物使用寿命的延长及接受度越来越大,驱使着植入物设计不断的改良和创新。对于老年患者及其他体弱患者,金属植入物术后常常需要二次手术来对植入物的校正及修复。

    椎体骨水泥成形术是一种快速、简单、安全的手术,仅需局麻下进行来修复椎体压缩性骨折,基于种种优势,经皮下椎体骨水泥成形术在临床的适用性越来越广泛!正因为是个小手术,患者出院早,恢复快,大大减少了术后并发症的出现。

    早些年,植入物的松动主要是因为感染。现今,无菌性松动的原因主要是植入物的腐蚀、局部机械性应力以及退行性变。骨质疏松会加速了植入物的松动,而骨质疏松又会引起二次手术修复的难度。

    一旦出现了植入物的松动,那该怎么办呢?利用经皮下椎体骨水泥成形术对于修复植入物松动是否是性价比较高的选择呢?


    近日,Eur Radiol上发表的一篇名为Percutaneous cementoplasty of periprosthetic loosening: can interventional radiologists offer an alternative to revision surgery?的论文旨在评估在局部麻醉下进行介入经皮植入物周围骨水泥成形术(RPPBC)的可行性和有效性,以作为无菌性植入物松动的替代微创治疗方法。

    本研究总共纳入2011年2月至2020年1月之间的7例患者(平均年龄81岁,年龄范围73至89岁,男性2例,女性5例),每例患者均确认为无菌性骨植入物松动。1例患者表现为单室膝关节置换术的胫骨组件松动,1例患者的后肩关节置换术使关节盂组件松动,1例股骨γ钉,4例为分阶段后路腰椎椎体间融合手术后出现椎弓根螺钉松动。所有患者均经过临床、生化和影像学评估,以确认诊断为无菌性松动。在CT和荧光透视双重引导下,所有人均受益于RPPPC。所有手术均由经验丰富的放射科医生在局部麻醉下进行。以视觉模拟量表(VAS)评估术前、术中和术后6个月的疼痛水平,并评估功能结局。立即和术后6个月进行CT扫描检查以评估治疗区域。

    在整个过程中,所有患者均对RPPBC表现出良好对耐受。没有患者出现RPPBC后局部或全身感染或植入物周围骨折。没有观察到反复的植入物松动。 6例患者在6个月时无疼痛。在经过验证的结果评分评价中,所有患者均表现出功能的改善。

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图.89岁左侧肩关节成形术患者

图.89岁左侧肩关节成形术患者

 

    对于不适合行翻修手术的老年患者,RPPBC似乎是一种有效、可靠的用于治疗骨科植入物无菌性松动的治疗方法。


原始出处:

A J Prestat,D Dalili,A Rudel,et al. Percutaneous cementoplasty of periprosthetic loosening: can interventional radiologists offer an alternative to revision surgery?PMID:33201283DOI:10.1007/s00330-020-07463-8

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    2021-02-05 zhuqi31201_55149983

    学习了

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    2021-02-04 jiyangfei
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    2021-02-03 Aidy

    对于不适合行翻修手术的老年患者,RPPBC似乎是一种有效、可靠的用于治疗骨科植入物无菌性松动的治疗方法

    0

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患者,女,68岁,因“腰背部疼痛伴间歇性跛行12年,加重2年余”于2018年1月17日入院。患者自诉腰背部疼痛,入院前评估:疼痛视觉模拟评分(VAS):7分;神经源性间歇性跛行:行走约50m便自觉乏力、疼痛不能耐受;功能障碍指数问卷表(ODI):65%。身高150CM,体重55kg,体质量指数(BMI)24.4kg/m2。入院查体:胸腰交界区可见右侧“剃刀背”畸形,腰椎棘突及双侧椎旁肌压痛、痉挛,

JAMA:骨水泥固定可降低半髋关节置换术的髋部骨折后续翻修风险

对于需接受半髋关节置换术的髋部骨折患者,接受骨水泥固定可降低后续翻修风险,推荐因移位性股骨颈骨折接受半关节置换治疗患者优先使用骨水泥固定

腰椎融合+PVP术中骨水泥渗漏粘附于下腔静脉滤器1例

患者,老年女性,68岁,汉族,已婚,45岁绝经。腰痛伴右下肢疼痛麻木7d,10d前患者弯腰抬重物时腰部不慎扭伤,但未出现任何不适感,7d前突发腰痛伴右下肢疼痛麻木,行保守治疗后效果不佳,遂来院就诊。腰痛伴右下肢疼痛麻木,疼痛以右臀部、右大腿后外侧为主,麻木沿右臀部、右大腿前外侧、小腿前外侧至足背、足趾,足趾麻木以第2、3足趾为重,左下肢无任何不适。专科查体:L4棘突及右侧棘突旁压痛,并引起右臀部、

经皮椎体后凸成形术后骨水泥肺栓塞1例

女,49岁,因“腰痛伴活动受限4d”于2018年3月25日入院。患者既往有骨质疏松症病史。患者入院前4天搬重物后自觉腰背部疼痛,直立行走较困难,活动后加重,腰背部活动受限,卧床休息、服用止痛药后疗效不明显,收入我科。入院检查:意识清楚,表情痛苦,步行入室,L2棘突压痛及叩击痛阳性,前屈后伸活动受限,站立行走受限。脊柱生理曲度正常,四肢感觉、运动、肌力、肌张力正常,双侧膝腱反射、跟腱反射对称引出,双