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The Relationship Between Hypoadiponectinemia and Cardiovascular Events in Liver Transplant Recipients

Siddiqui, Mohammad Bilal1; Patel, Samarth1; Arshad, Tamoore2; Lee, Emily1; Albhaisi, Somaya3; Driscoll, Carolyn1; Wolver, Susan3; Reichman, Trevor4; Bhati, Chandra4; Siddiqui, Mohammad Shadab, MD1

doi: 10.1097/TP.0000000000002714
Original Clinical Science–Liver
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Background. Cardiovascular disease (CVD) is an important cause of morbidity and mortality after liver transplantation (LT). Serum adiponectin levels inversely correlate with CVD-related outcomes, but the relationship between hypoadiponectinemia and CVD after LT is unknown. Thus, the aim of the present study was to prospectively evaluate this relationship in LT recipients (LTR).

Methods. LTR were prospectively enrolled (N = 130) between January 1, 2012, and January 1, 2014. Baseline adiponectin levels were drawn at enrollment and patients were followed for CVD events. Hypoadiponectinemia was defined as serum adiponectin <10 µg/mL. The primary endpoint was a composite CVD outcome consisting of myocardial infarction, angina, need for coronary revascularization, stroke, or cardiac death.

Results. The mean age was 58 ± 11 years and prevalence of obesity, diabetes, and dyslipidemia was 40%, 35%, and 40%, respectively. A total of 20 CVD events were noted, after median follow up of 45 months. Hypoadiponectinemia was significantly associated with future risk of CVD events (hazard ratio, 3.519; 95% confidence interval, 1.180-10.499, P = 0.024). This association was independent of traditional CVD risk factors including age, gender, obesity, hypertension, diabetes, and choice of immunosuppression.

Conclusions. Hypoadiponectinemia is a strong independent predictor of future cardiovascular events in LTR, which can be incorporated in clinical practice to assess CVD risk assessment after LT.

1 Division of Gastroenterology and Hepatology, Virginia Commonwealth University, Richmond, VA.

2 Department of Medicine and Center for Liver Disease, Inova Fairfax Hospital, Falls Church, VA.

3 Department of Internal Medicine, Virginia Commonwealth University, Richmond, VA.

4 Division of Transplant Surgery, Virginia Commonwealth University, Richmond, VA.

Received 9 December 2018. Revision received 3 February 2019.

Accepted 16 February 2019.

The authors declare no funding or conflicts of interest.

C.B. and M.S.S. contributed equally for senior authorship.

M.B.S., S.P., C.D., T.R., C.B., S.W., and M.S.S. initiated the study design. M.B.S., T.A., E.L., S.A., C.B., and M.S.S. contributed toward data acquisition. M.B.S., S.P., T.A., and M.S.S. take responsibility for the accuracy of data analysis. M.S.S., T.R., C.B., C.D., and S.W. contributed to patient recruitment. M.B.S., E.L., C.B., and M.S.S. assisted with article preparation. M.B.S., S.P., T.A., E.L., S.A., C.D., S.W., T.R., C.B., and M.S.S. participated in article review.

Correspondence: Mohammad Shadab Siddiqui, M.D., Virginia Commonwealth University, 1200 E Broad St, PO Box 980204, Richmond, VA 23298. (mohammad.siddiqui@vcuhealth.org).

Copyright © 2019 Wolters Kluwer Health, Inc. All rights reserved.