Jinna Chu1, George Cholankeril2,3, Xian Yu4, Abbas Rana2, Yamini Natarajan3,4, Hashem B El-Serag3,4, Jennifer Kramer4, Fasiha Kanwal5,6. 1. Department of Medicine, Baylor College of Medicine, Houston, TX, USA. 2. Liver Center, Division of Abdominal Transplantation, Michael E DeBakey Department of General Surgery, Baylor College of Medicine, Houston, TX, USA. 3. Section of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine and Michael E. DeBakey Veterans Affairs Medical Center, 2002 Holcombe Boulevard (152), Houston, TX, USA. 4. Center for Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey Veterans Affairs Medical Center, Houston, TX, USA. 5. Section of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine and Michael E. DeBakey Veterans Affairs Medical Center, 2002 Holcombe Boulevard (152), Houston, TX, USA. kanwal@bcm.edu. 6. Center for Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey Veterans Affairs Medical Center, Houston, TX, USA. kanwal@bcm.edu.
Abstract
BACKGROUND & AIMS: Among etiologies for hepatocellular (HCC), nonalcoholic fatty liver disease (NAFLD) carries a high risk of competing non-cancer mortality. The effect of cancer and non-cancer factors on risk of death after NAFLD-HCC diagnosis remains unclear. We aimed to evaluate the role of non-cancer mortality with NAFLD-HCC. METHODS: Using a retrospective cohort of patients with NAFLD diagnosed at 130 facilities in the Veterans Administration, we identified patients with incident HCC diagnosed between January 1, 2005 and June 30, 2018. We determined cause of death as HCC-related, non-HCC liver-related, and non-liver-related after HCC diagnosis. We used Cox proportional hazards regression models to evaluate the effect of clinical factors on cause-specific mortality after NAFLD-HCC diagnosis. RESULTS: We identified 776 patients with incident HCC. Mean age at HCC diagnosis was 70.1 year, 22.2% had Barcelona Clinic Liver Cancer (BCLC) stage 0-A, and 67.0% had more than one comorbidity. 1- and 3-year mortality rates were 47.0% and 69.6%, respectively. Most deaths (72.2% at 3 years) were attributable to HCC. In HCC patients who received curative treatment, non-cancer mortality accounted for 40% of all deaths between 3 and 5 years after treatment. Poor performance status (ECOG 3/4, HR 5.03, 95% CI: 2.59-9.77) and older age (65-75, HR 1.94, 95% CI: 1.06-3.54) were strongly associated with non-cancer mortality. CONCLUSION: Although most patients with NAFLD-HCC die of HCC, non-cancer mortality represents a clinically meaningful competing event for patients receiving curative treatment, underscoring the importance of assessing and managing risk factors of non-cancer morbidity and mortality. TRIAL AND REGISTRATION: N/A.
BACKGROUND & AIMS: Among etiologies for hepatocellular (HCC), nonalcoholic fatty liver disease (NAFLD) carries a high risk of competing non-cancer mortality. The effect of cancer and non-cancer factors on risk of death after NAFLD-HCC diagnosis remains unclear. We aimed to evaluate the role of non-cancer mortality with NAFLD-HCC. METHODS: Using a retrospective cohort of patients with NAFLD diagnosed at 130 facilities in the Veterans Administration, we identified patients with incident HCC diagnosed between January 1, 2005 and June 30, 2018. We determined cause of death as HCC-related, non-HCC liver-related, and non-liver-related after HCC diagnosis. We used Cox proportional hazards regression models to evaluate the effect of clinical factors on cause-specific mortality after NAFLD-HCC diagnosis. RESULTS: We identified 776 patients with incident HCC. Mean age at HCC diagnosis was 70.1 year, 22.2% had Barcelona Clinic Liver Cancer (BCLC) stage 0-A, and 67.0% had more than one comorbidity. 1- and 3-year mortality rates were 47.0% and 69.6%, respectively. Most deaths (72.2% at 3 years) were attributable to HCC. In HCC patients who received curative treatment, non-cancer mortality accounted for 40% of all deaths between 3 and 5 years after treatment. Poor performance status (ECOG 3/4, HR 5.03, 95% CI: 2.59-9.77) and older age (65-75, HR 1.94, 95% CI: 1.06-3.54) were strongly associated with non-cancer mortality. CONCLUSION: Although most patients with NAFLD-HCC die of HCC, non-cancer mortality represents a clinically meaningful competing event for patients receiving curative treatment, underscoring the importance of assessing and managing risk factors of non-cancer morbidity and mortality. TRIAL AND REGISTRATION: N/A.
Authors: Fasiha Kanwal; Jennifer R Kramer; Steven M Asch; Yumei Cao; Liang Li; Hashem B El-Serag Journal: Hepatology Date: 2019-08-19 Impact factor: 17.425
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