Risk Factors for Hospitalization Duration Longer Than 24 Hours Following Percutaneous Radiofrequency Ablation of Liver Tumours

Purpose: Prior studies have described complications of radiofrequency ablation (RFA) of liver tumours. The aim of this study was to identify risk factors for hospitalization duration longer than 24 hours following RFA of liver tumours. Methods: This retrospective, single-centre study included patien...

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Bibliographic Details
Published in:	Canadian Association of Radiologists journal Vol. 75; no. 3; pp. 649 - 657
Main Authors:	Racette, Olivier, Zhang, Li Xin, Olivié, Damien, Vu, Kim-Nhien, Giard, Jeanne-Marie, Vandenbroucke-Menu, Franck, Soulez, Gilles, Zehr, Justine, Tang, An, Billiard, Jean-Sébastien
Format:	Journal Article
Language:	English
Published:	Los Angeles, CA SAGE Publications 01-08-2024
Subjects:	prolonged hospital stay risk factors radiofrequency ablation liver tumours hepatocellular carcinoma
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Summary:	Purpose: Prior studies have described complications of radiofrequency ablation (RFA) of liver tumours. The aim of this study was to identify risk factors for hospitalization duration longer than 24 hours following RFA of liver tumours. Methods: This retrospective, single-centre study included patients with liver tumours undergoing RFA between October 2017 and July 2020. Medical records were reviewed to collect patient, tumours, and procedure characteristics for each RFA session. The association between potential risk factors and duration of hospitalization (less than or more than 24 hours) was analyzed using univariate and multivariate logistic regressions. Results: Our study included 291 patients (mean age: 65.2 ± 11.2 [standard deviation]; 201 men) undergoing 324 RFA sessions. Sixty-eight sessions (21.0%) resulted in hospitalization of more than 24 hours. Multivariate analysis identified each additional needle insertion per session (OR 1.4; 95% CI [1.1-1.9]; P = .02), RFA performed in segment V (OR 2.8; 95% CI [1.4-5.7]; P = .004), and use of artificial pneumothorax (OR 14.5; 95% CI [1.4-146.0]; P = .02) as potential risk factors. A history of hepatic encephalopathy (OR 2.6; 95% CI [1.1-6.0]; P = .03) was only significant in univariate analysis. Post-hoc, subgroup analysis of patients with hepatocellular carcinoma (69.8%) did not identify other risk factors. Conclusion: Risk factors for a hospitalization duration longer than 24 hours include a higher number of needle insertions per session, radiofrequency ablation in segment V, and use of an artificial pneumothorax. Visual Abstract
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0846-5371 1488-2361 1488-2361
DOI:	10.1177/08465371241230928