Background: Hepatocellular carcinoma (HCC) patients with coronavirus disease 2019 (COVID-19) undergoing open surgery show increased adverse events (AEs) and mortality, while the safety of transarterial chemoembolization (TACE) in coinfected patients remains understudied, limiting available evidence. This study aims to investigate the safety of TACE in HCC patients coinfected with COVID-19, and to explore the potential risk factors affecting the occurrence of serious AEs (SAEs), thus providing evidence for clinical treatment strategies in such patients.
Methods: This retrospective study involved HCC patients who underwent TACE with or without COVID-19 infection at our institution from November 2022 to February 2023. Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) was used for the diagnosis of COVID-19. Patients were divided into an infected group (diagnosed with COVID-19 within 2 weeks before or after the procedure) and an uninfected group (tested negative for COVID-19). SAEs were ascertained according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 5.0. Logistic regression analysis of multiple clinical factors in preoperative baseline characteristics was performed to identify risk factors that might predict the occurrence of SAEs.
Results: A total of 118 patients (73 in the infected group, 45 in the uninfected group) were included, of whom 83.9% were male (86.3% in the infected group vs. 80.0% in the uninfected group) and the median age was 55.9±12.4 years (56.8±12.3 vs. 54.5±12.7 years). The clinical spectrum of COVID-19 in the infected group were 80.8% mild, 13.7% moderate, 1.4% severe and 4.1% critical. Sixteen of the 118 patients experienced SAEs (19.2% vs. 4.4%, P=0.046). The predominant SAEs were respiratory system diseases (9.6% vs. 0.0%) and liver damage (2.7% vs. 2.2%). In the univariate analysis, infection status [odds ratio (OR): 5.102, P=0.04, 95% confidence interval (CI): 1.102-23.627], gender (OR: 2.857, P=0.09, 95% CI: 0.862-9.468), age (OR: 1.061, P=0.03, 95% CI: 1.007-1.118) and clinical spectrum of COVID-19 (OR: 4.259, P<0.001, 1.943-9.336) were considered as the potential risk factors of grade ≥3 AEs. In multivariate analysis, younger age (OR: 1.064, P=0.044, 95% CI: 1.002-1.131) and a milder clinical spectrum of COVID-19 (OR: 5.736, P=0.004, 95% CI: 1.772-18.568) were independent factors associated with a lower occurrence of SAEs.
Conclusions: TACE in HCC patients co-infected with COVID-19 was considered relatively safe. Age and clinical spectrum of COVID-19 were associated with SAEs in HCC patients treated with TACE.
Keywords: Transarterial chemoembolization (TACE); adverse events (AEs); coronavirus disease 2019 (COVID-19); hepatocellular carcinoma (HCC); safety.
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