Radiology:射频消融治疗骨肿瘤真的更安全吗?

2021-06-10 shaosai MedSci原创

经皮射频消融术(RFA)是治疗骨肿瘤的有效方法,现阶段已被广泛应用于发生于包括骨骼在内的多个不同器官的肿瘤。

经皮射频消融术(RFA)是治疗骨肿瘤的有效方法,现阶段已被广泛应用于发生于包括骨骼在内的多个不同器官的肿瘤。多项研究表明,RFA在良性和恶性骨肿瘤患者的疼痛管理方面效果极佳,并在一定程度上已成功应用于以治愈为目的的骨转移患者的管理与治疗。

RFA的所有、主要和次要并发症的发生率分别为0.0% ~ 34.5%、0.0% ~ 18.2%和0.0% ~ 16.4%。各项研究中报道的并发症多种多样,除疼痛和骨折外,大多数并发症主要与非靶结构(即靠近消融区的神经)的意外烧伤有关。然而,对于RFA的并发症发生率和危险因素的了解还很缺乏。

近日,发表在Radiology杂志的一项研究回顾性地评估了骨肿瘤RFA术后并发症的发生率及危险因素,为RFA在骨肿瘤的广泛的规范化应用提供了有价值的参考依据。

本项回顾性研究回顾了2008年1月至2018年4月期间连续接受RFA治疗的原发性或转移性骨肿瘤患者的并发症。根据不良事件通用术语标准,将并发症分为主要(3级或4级,严重或危及生命)和次要(1级或2级,轻微或中度)。采用单变量和多变量回归分析来确定与RFA并发症相关的变量。

本研究对169例患者(中位年龄63岁;四分位数范围,55-73岁)的共217个肿瘤进行了评估。总并发症发生率为30.0% (65/217;95%置信区间[CI]: 23.8%,36.0%)。主要并发症发生率为2.3% (5/217;95%CI:0.8%,5.3%),继发性骨折是最常见的并发症(1.8%[4/217])。次要并发症发生率为27.7% (60/217;95%CI:21.7%,33.6%),术后立即疼痛是最常见的并发症(18.0%[39/217])。所有并发症的危险因素包括肿瘤大于3 cm(校正比值比[AOR],2.4 [95% CI: 1.2, 4.5]; P = .03)和既往接受过放射治疗(AOR, 3.8 [95% CI: 2.0, 7.4]; P = .02)。发生次要并发症的唯一危险因素是曾接受过放射治疗(AOR, 2.2 [95% CI: 1.0, 4.7]; P = .04)。

表1 217例肿瘤的主要和次要并发症。

表2 根据肿瘤组织学类型和治疗情况的全部、主要及次要并发症的分布。

综上所述,RFA对骨肿瘤的治疗是安全可靠的,其主要并发症发生率极低(2.3%),且并发症主要是继发性骨折(1.8%)。同时本研究发现,并发症的危险因素是肿瘤大于3cm和既往接受过放射治疗。本研究为射频消融在骨肿瘤中的应用提供了理论支持,也为临床进一步评估RFA适应症及预测患者预后提供了参考依据。

原文出处:

Roberto Luigi Cazzato,Jean Palussière,Pierre Auloge,et al.Complications Following Percutaneous Image-guided Radiofrequency Ablation of Bone Tumors: A 10-year Dual-Center Experience.DOI:10.1148/radiol.2020191905

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