Purpose To determine the association between frailty, 30-day complications, rehospitalization, and transplant-free survival (TFS) following conventional and drug-eluting bead transarterial chemoembolization. Materials and Methods A retrospective analysis was performed on a cohort of 125 patients with treatment-naïve hepatocellular carcinoma who underwent conventional or drug-eluting beads chemoembolization at our institution between 2014 and 2015. Liver function parameters, Barcelona clinic liver cancer tumor stage, and all components of the five-item modified frailty index (mFI-5) were used to determine the patient's frailty status. Key end points included severe (grade 3 or above) adverse events of chemoembolization, 30-day rehospitalization rates, and TFS. Logistic regression analysis was performed on conventional predictors of postoperative complications after chemoembolization. Median survival was estimated and compared using the Kaplan–Meier's estimator and log-rank test. Results Among 125 patients who underwent first-time chemoembolization, higher frailty score was an independent predictor of both 30-day hospital readmission and severe liver toxicity (p = 0.01 and p = 0.03, respectively) on multivariate logistic regression analysis. Each point increase in mFI-5 conferred a threefold or twofold increase in the risk of experiencing 30-day rehospitalization or postoperative severe adverse events, respectively. At the data censor date, patients with mFI-5 score ≥ 2 had decreased overall TFS (28.1 vs. 39.8 months, p = 0.03). Conclusion Increasing frailty as determined by mFI-5 is an independent predictor of 30-day complications and lower TFS following chemoembolization.

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