• J. Am. Coll. Cardiol. · Oct 2014

    Fasting levels of high-sensitivity growth hormone predict cardiovascular morbidity and mortality: the Malmö Diet and Cancer study.

    • Erik Hallengren, Peter Almgren, Gunnar Engström, Bo Hedblad, Margaretha Persson, Jennifer Suhr, Andreas Bergmann, and Olle Melander.
    • Department of Clinical Sciences, Lund University, Malmö, Sweden; Department of Internal Medicine, Skåne University Hospital, Malmö, Sweden.
    • J. Am. Coll. Cardiol. 2014 Oct 7;64(14):1452-60.

    BackgroundBoth pathological excess and deficiency of growth hormone (GH) are associated with cardiovascular mortality.ObjectivesThe goal of this study was to test whether fasting levels of growth hormone measured with a high-sensitivity assay (hs-GH) predict cardiovascular morbidity and mortality at the population level.MethodsWe studied 4,323 participants (age 46 to 68 years; mean age 58 years; 59% women) of the Swedish, population-based Malmö Diet and Cancer study examined in 1991 to 1994. Using multivariate-adjusted Cox proportional hazards models, we related baseline levels of fasting hs-GH to incidence of coronary artery disease, stroke, congestive heart failure, all-cause mortality, and cardiovascular mortality.ResultsDuring a median follow-up of 16.2 years, hs-GH (hazard ratio [HR]/SD increment of natural logarithm of fasting hs-GH) was independently associated with increased risk of coronary artery disease (397 events; HR: 1.11; 95% confidence interval [CI]: 1.01 to 1.23; p = 0.04), stroke (251 events; HR: 1.18; 95% CI: 1.04 to 1.34; p = 0.01), congestive heart failure (107 events; HR: 1.25; 95% CI: 1.03 to 1.52; p = 0.02), all-cause mortality (645 events; HR: 1.17; 95% CI: 1.08 to 1.26; p < 0.001) and cardiovascular mortality (186 events; HR: 1.43; 95% CI: 1.24 to 1.66; p < 0.001). The addition of hs-GH to a model with conventional cardiovascular risk factors significantly reclassified risk, with a category-free net reclassification improvement (>0) of 0.542 (95% CI: 0.205 to 0.840) in cardiovascular mortality.ConclusionsHigher values of hs-GH were associated with an increased risk of cardiovascular morbidity and mortality.Copyright © 2014 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.

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