When recurrence was observed, appropriate treatment was performed immediately. PF-6463922 cost Intrahepatic HCC recurrence was classified as either tumor recurrence at a site distant from the primary tumor or adjacent to the treated site (local tumor progression). Extrahepatic comorbidities were defined as diseases which needed to be followed up and treated before RFA. Major complications were defined as those that, if left untreated, might threaten the patient’s life, lead to substantial morbidity and disability or result in hospital admission or substantially lengthen the hospital stay after RFA, according to the previously
described guidelines.20 All the other complications were defined as minor. We compared the complication rates per treatment in
elderly patients with those in non-elderly patients. Comparisons of characteristics were made using the unpaired Selleckchem Rapamycin Student’s t-test for continuous variables and the χ2-test for categorical variables. Recurrence rates and survival rates were calculated using the Kaplan–Meier method from the time of initial RFA and compared between groups using the log–rank test. Prognostic relevance of the 10 baseline variables to survival was analyzed by univariate and multivariate Cox proportional hazards regression models. Results of univariate or multivariate analyses are presented as relative risks with corresponding 95% confidence intervals (CI), with P-values from the Wald test. All significance tests were two-tailed and P < 0.05 was considered statistically significant. The clinical profiles of patients, divided into groups of elderly patients (age ≥75 years) and non-elderly patients (age <75 years), are shown in Table 1. In the elderly group, the proportion of women was significantly higher compared with that in the non-elderly group (47.1% vs 31.2%, respectively;
P < 0.001). Concerning extrahepatic comorbidities before RFA, the prevalence of diabetes, hypertension, stroke history, cardiac dysfunction or arrhythmia were not significantly different between the two groups, however, chronic pulmonary diseases (such as chronic obstructive pulmonary disease and bronchial asthma) and renal dysfunction were more frequent in the elderly group compared Tau-protein kinase with the non-elderly group. Patients with habitual alcohol consumption was greater in the non-elderly group compared with the elderly group (P < 0.001). Hepatitis C virus antibody positive patients were more frequent in the elderly group, compared with the non-elderly group (P = 0.026). Child–Pugh grade status was not different between the two groups. Serum alanine aminotransferase (ALT) and γ-glutamyl transpeptidase (GGT) levels in the elderly group were significantly lower than those in the non-elderly group. There was no difference between the two groups in the distribution of tumor markers, tumor characteristics and executing rates of TACE before RFA.
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