• Ki-Chul Sung, Sarah H Wild, and Christopher D Byrne.
• Division of Cardiology, Department of Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea. Electronic address: kcmd.sung@samsung.com.
• J. Hepatol. 2014 May 1; 60 (5): 1040-5.

Background & AimsApproximately 50% of hypertensive patients have non-alcoholic fatty liver disease (NAFLD), but whether change in fatty liver status over time modifies risk of developing hypertension is uncertain. Our aim was to determine whether a change in fatty liver status (either development of new fatty liver, or resolution of existing fatty liver) over five years modified risk of incident hypertension at five year follow-up.Methods11,448 patients without hypertension were examined at baseline and at five year follow-up, using a retrospective cohort study design. Fatty liver status (absent or present) was assessed at baseline and follow-up using standard ultrasound criteria. Adjusted odds ratios (aOR) and 95% confidence intervals (CIs) for incident hypertension at follow-up were estimated controlling for potential confounders, compared to the reference group (patients who did not have fatty liver at either baseline or follow-up).Results911 patients developed incident hypertension. Incident fatty liver developed during follow-up in 1418 patients and fatty liver at baseline resolved during follow-up in 684 patients. Developing incident fatty liver was associated with incident hypertension, even after adjustment for multiple confounders (aOR=1.60 (95% CI 1.30, 1.96; p<0.001). Further adjustment for change in body mass index between baseline and follow-up only slightly attenuated this association (aOR=1.36 (95% CI 1.10, 1.67; p=0.004). With resolution of fatty liver at follow-up, risk of incident hypertension was not different from the reference group (aOR=1.21 (95% CI 0.90, 1.63; p=0.21).ConclusionsDevelopment of incident fatty liver is associated with increased risk of hypertension.Copyright © 2014 European Association for the Study of the Liver. Published by Elsevier B.V. All rights reserved.

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