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首页> 外文期刊>Asian spine journal. >Analysis of Adjacent Fractures after Two-Level Percutaneous Vertebroplasty: Is the Intervening Vertebral Body Prone to Re-fracture?
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Analysis of Adjacent Fractures after Two-Level Percutaneous Vertebroplasty: Is the Intervening Vertebral Body Prone to Re-fracture?

机译：两级经皮椎体成形术后相邻骨折的分析：介入椎体是否容易再次骨折？

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Study Design Retrospective study. Purpose This retrospective study aimed to determine the incidence of adjacent level new fractures in a sandwich constellation (one or two untreated vertebrae between two cemented vertebrae) compared with that in other constellations formed by two-level percutaneous vertebroplasty (PVP). It also aimed to investigate the potential factors contributing to adjacent new fractures in a sandwich constellation. Overview of Literature There are few studies regarding the intervening intact vertebral body between two cemented vertebrae. Clinical data from previous studies investigation this sandwich situation, too, have been vague. Methods Clinical data were obtained from 132 patients who had two cemented vertebral bodies, irrespective of whether they had undergone one or two PVP sessions between January 2013 and June 2016 at a single institution. Cases with one or two intact vertebral levels between the two cemented vertebrae were classified into group 1 (n=47), and cases with two consecutive cemented bodies or more than three levels of intervening configurations were classified into group 2 (n=85). Demographic data and radiological parameters for new fractures after PVP were compared between the two groups, and the rates of subsequent adjacent fractures were investigated. Results The incidence of single-level sandwich constellations was quite uncommon (7.7%). The overall incidences of adjacent fracture were 29.8% (14/47) in group 1 and 14.1% (12/85) in group 2. This difference was statistically significant ( p =0.03). Approximately 80% (11/14) of the adjacent new fractures in group 1 developed at an intervening level. The patient demographics and radiological parameters for subsequent fractures after PVP did not statistically correlate with the risk of adjacent new fractures in group 1. Conclusions Because they were subjected to double-load shifts, sandwich constellations were prone to re-fractures after PVP. These vertebral configurations required more aggressive management for osteoporosis.
机译：研究设计回顾性研究。目的这项回顾性研究旨在确定与由两层经皮椎体成形术（PVP）形成的其他星座相比，夹心星座（两个胶合椎骨之间有一个或两个未处理椎骨）相邻水平的新骨折的发生率。它还旨在研究导致夹心星座中相邻新骨折的潜在因素。文献概述很少有关于两个胶合椎骨之间插入完整椎体的研究。先前研究的临床数据也对这种三明治情况进行了调查。方法从2013年1月至2016年6月在同一机构接受过一次或两次PVP治疗的132例具有两个骨水泥骨病的患者获得临床数据。在两个骨水泥之间具有一个或两个完整椎骨水平的病例被分类为第1组（n = 47），而具有两个连续骨水泥体或多于三个水平的介入构型的病例被分类为第二组（n = 85）。比较两组之间PVP后新骨折的人口统计学数据和放射学参数，并研究随后相邻骨折的发生率。结果单层三明治星座的发生率很低（7.7％）。第一组的邻近骨折总发生率为29.8％（14/47），第二组为14.1％（12/85）。该差异具有统计学意义（p = 0.03）。第一组中约80％（11/14）的相邻新裂缝处于中间水平。 PVP后继发骨折的患者人口统计学和放射学参数与第1组中相邻新骨折的风险没有统计学相关性。结论结论由于PVP后夹层星座承受双负荷移位，因此容易发生再骨折。这些椎骨形态需要对骨质疏松症进行更积极的处理。

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