{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,11]],"date-time":"2026-04-11T20:41:32Z","timestamp":1775940092180,"version":"3.50.1"},"reference-count":32,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2012,3,1]],"date-time":"2012-03-01T00:00:00Z","timestamp":1330560000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2012,3,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aims<\/jats:title>\n                    <jats:p>Chronic heart failure (CHF) is associated with increased risk of osteoporosis. We investigated the relationship between severity of CHF and bone loss, underlying pathophysiological mechanisms, and the prognostic significance of bone mass changes in heart failure.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods and results<\/jats:title>\n                    <jats:p>Total body (TB) and femoral (F) bone mineral density (BMD), and T- and Z-scores in the femur were measured in 60 men with CHF (56 \u00b1 11 years) and 13 age-matched men free from CHF. The composite study endpoint was death, implantation of a left ventricular assist device (LVAD), or inotrope dependency during a median 2-year follow-up. Parathyroid hormone (PTH) and vitamin D were measured in all subjects. TBBMD, FBMD, T-score, and Z-score were significantly lower in men with CHF. Their PTH levels were also significantly increased (111 \u00b1 59 vs. 39 \u00b1 14; P &amp;lt; 0.001). Patients in New York Heart Association classes III\u2013IV compared with those in classes I\u2013II demonstrated significantly lower TBBMD, FBMD, T-score, and Z-score, and higher PTH (136 \u00b1 69 vs. 86 \u00b1 31; P= 0.001). Increased PTH levels were correlated with reduced TBBMD (P = 0.003), FBMD (P = 0.002), and femur T-score (P = 0.001), reduced cardiac index (P = 0.01) and VO2 peak (P &amp;lt; 0.0001), and increased wedge pressure (P = 0.001). Low TBBMD [hazard ratio (HR) 0.003, 95% confidence interval (CI) 0.00\u20130.58; P = 0.03] and Z-score (HR 0.56, 95% CI 0.35\u20130.90; P = 0.017) were associated with adverse outcome.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Secondary hyperparathyroidism and reduction in bone density occur in CHF patients and are associated with disease severity. Increased bone mass loss in CHF has prognostic significance.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/eurjhf\/hfs002","type":"journal-article","created":{"date-parts":[[2012,1,27]],"date-time":"2012-01-27T21:14:28Z","timestamp":1327698868000},"page":"326-332","source":"Crossref","is-referenced-by-count":47,"title":["Bone Mass Loss in Chronic Heart Failure is Associated with Secondary Hyperparathyroidism and has Prognostic Significance"],"prefix":"10.1093","volume":"14","author":[{"given":"John","family":"Terrovitis","sequence":"first","affiliation":[{"name":"3rd Department of Cardiology, University of Athens"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Panagiotis","family":"Zotos","sequence":"additional","affiliation":[{"name":"3rd Department of Cardiology, University of Athens"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elissavet","family":"Kaldara","sequence":"additional","affiliation":[{"name":"3rd Department of Cardiology, 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