Image-guided Percutaneous Radiofrequency Ablation and Incidence of Post–Radiofrequency Ablation Syndrome: Prospective Survey

医学 烧蚀 射频消融术 前瞻性队列研究 无症状的 入射(几何) 机构审查委员会 经皮 外科 内科学 放射科 物理 光学
作者
Tze Min Wah,Ronald S. Arellano,Debra A. Gervais,Catherine A. Saltalamacchia,Joanne Martino,Elken F. Halpern,Michael M. Maher,Peter R. Müeller
出处
期刊:Radiology [Radiological Society of North America]
卷期号:237 (3): 1097-1102 被引量:79
标识
DOI:10.1148/radiol.2373042008
摘要

To evaluate prospectively the incidence of post-radiofrequency (RF) ablation syndrome and determine its impact on the quality of life in the 10 days after percutaneous RF ablation.This study was approved by the institutional review board and was HIPAA compliant. Informed consent was obtained for this survey in all patients by the interventional nurse coordinators. Thirty-six patients (20 men, 16 women; mean age, 69.3 years; range, 40-88 years) underwent RF ablation for 26 liver tumors and 17 renal tumors. Twenty control patients (11 men, nine women; mean age, 60.8 years; range, 35-76 years) underwent biopsy of focal liver lesions or renal lesions. With a standardized questionnaire, a telephone survey was conducted on days 1, 3, 5, and 10 after RF ablation or biopsy. The symptoms and interference with lifestyle were documented prospectively with a numeric intensity scale by using grades 0-10. Statistical analysis with Fisher exact test and analysis of variance was performed.After RF ablation, 15 (42%) patients developed low-grade fever (P < .001), 29 (81%) had flulike symptoms (P < .001), and four were asymptomatic. Symptoms peaked on day 3 and mainly resolved by day 10. Twelve (33%) patients had complete post-RF ablation syndrome: fever and flulike symptoms (P = .005). Flulike symptoms were more prolonged when they were accompanied with fever, peaked on day 5, and resolved more quickly for patients with renal lesions than they did for patients with liver lesions. Four patients had persistent fever caused by pneumonia (n = 2), pleural effusion and atelectasis (n = 1), or liver abscess (n = 1). No control patients developed both fever and flulike symptoms. Post-RF ablation patients with symptoms experienced significantly greater pain and interference with general and work activities, which peaked on day 1, than did control patients (P = .01 [pain], P < .001 [general and work activities]).Complete post-RF ablation syndrome occurs in approximately one-third of patients but is self-limiting within 10 days after the procedure. Persistent or late-onset fever may indicate concurrent infection elsewhere or possible abscess formation.radiology.rsnajnls.org/cgi/content/full/237/3/1097/DC1
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