Purpose. We aimed to present our experience in anchoring technique and evaluate the efficacy and safety of unilateral percutaneous vertebroplasty in patients with neurologically intact Kümmell’s disease. Methods. From January 2014 to December 2017, 29 patients (17 males and 12 females) with neurologically intact Kümmell’s disease were operated on using anchoring technique in unilateral percutaneous vertebroplasty (PVP). Ages of the enrolled patients ranged from 67 to 81 years (mean 73.8 years). Clinical efficacy was evaluated by back pain visual analogue scale (BP-VAS) score, Oswestry disability index (ODI) score, as well as the height of anterior border and the kyphotic angle of the involved vertebral body on a standing lateral radiograph. The safety of PVP was assessed by surgical-related complications, including bone cement leakage and neurological deficit. Results. All 29 patients underwent the PVP procedure successfully. The mean operation time was 35 ± 12 min. And all patients were able to walk/ambulate with a thoracolumbar brace after 12 to 24 hours, staying in bed postoperatively. Significantly statistical differences were observed in both BP-VAS and ODI scores at each time point of follow-up when compared with the preoperative condition (). Besides, statistically significant improvement in radiographic measurements such as kyphotic angle and the height of the anterior border of the involved vertebral body between the preoperative and postoperative assessments was also observed () and asymptomatic leakage of cement occurred in 7 of 29 cases (24.1%). Conclusions. We considered that the anchoring technique in unilateral PVP could provide an effective and safe alternative for neurologically intact Kümmell’s disease.

中文翻译：

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锚固技术在单侧经皮椎体成形术中治疗神经系统完整的库梅尔氏病的应用。

目的。我们旨在介绍我们在锚固技术方面的经验，并评估单侧经皮椎体成形术在神经系统完整的Kümmell病患者中的疗效和安全性。方法。从2014年1月至2017年12月，对单侧经皮椎体成形术（PVP）进行锚固术，对29例神经系统完整的Kümmell病患者（男17例，女12例）进行了手术。入组患者的年龄为67至81岁（平均73.8岁）。通过背痛视觉模拟量表（BP-VAS）评分，Oswestry残疾指数（ODI）评分以及站立的侧位X线片上受累椎体的前边界高度和后凸角评估临床疗效。PVP的安全性通过手术相关并发症进行评估，包括骨水泥渗漏和神经功能缺损。结果。所有29例患者均成功接受了PVP程序。平均手术时间为35±12分钟。在12至24小时后，所有患者都可以在胸腰椎支架上行走/行走，术后躺在床上。与术前情况相比，在每个随访时间点的BP-VAS和ODI评分均存在显着统计学差异（）。此外，在术前和术后评估之间，在影像学测量方面也观察到统计学上的显着改善，例如后凸角和受累椎体前缘的高度（），在29例病例中有7例发生了无症状的水泥渗漏（24.1％）。结论。我们认为单侧PVP的锚固技术可以为神经系统完整的Kümmell病提供一种有效且安全的替代方法。