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Arquivos Brasileiros de Cardiologia
Print version ISSN 0066-782X
ALTAY, Hakan et al. Relationship between parathyroid hormone and depression in heart failure. Arq. Bras. Cardiol. [online]. 2012, vol.99, n.4, pp. 915-923. Epub Sep 13, 2012. ISSN 0066-782X. http://dx.doi.org/10.1590/S0066-782X2012005000088.
BACKGROUND: Depression has been found to be a predictor of rehospitalization and mortality in heart failure (HF). Parathyroid hormone (PTH) is a novel promising biomarker that can predict hospitalization, functional status and mortality in HF. OBJECTIVE: We aimed to investigate the association of depression with serum PTH levels in patients with systolic HF. METHODS: A total of consecutive 100 outpatients with systolic HF having left ventricular ejection fraction (LVEF) < 40%, were prospectively studied. All patients underwent laboratory tests, including brain natriuretic peptide (BNP) and PTH analyses. The patients were asked to complete the Beck Depression Inventory- II (BDI). RESULTS: Fifty-one patients (51%) were shown to have poor BDI score (BDIS > 18). Patients with poor BDI score had significantly higher PTH levels compared to those with good BDIS (133 ± 46 pg/ml vs. 71 ± 26 pg/ml, p < 0.001). In multivariable logistic regression model, PTH level (Odds ratio (OR) = 1.035, p = 0.003), LVEF (OR = 0.854, p = 0.004), NYHA functional class III/IV (OR = 28.022, p = 0.005), C-reactive protein (CRP) (OR = 1.088, p = 0.020), and presence of pretibial edema (OR = 12.341, p = 0.033) were found to be independent predictors of moderate to severe depression after adjustment of other potential confounders. CONCLUSION: Systolic HF patients with moderate to severe depression had higher serum levels of PTH and CRP, poor functional status and lower LVEF. The association of depression with such parameters might explain the contribution of depression to hospitalization and mortality in HF.
Keywords : Parathyroid hormone; depression; heart failure [mortality]; C-reactive protein.