Long-Term Prognostic Value of Triiodothyronine Concentration in Elderly Patients with Heart Failure

Jairo Rays, Mauricio Wajngarten, Otavio C E Gebara, Amit Nussbacher, Renata Martinho Telles, Humberto Pierri, Giuseppe Rosano, João Batista Serro-Azul

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

In this study the authors sought to determine the prevalence and long-term prognostic value of low triiodothyronine levels in elderly patients with heart failure and no thyroid disease. Lower levels of triiodothyronine are more prevalent in patients with advanced heart failure without thyroid disease, and this may have prognostic implications. However, this hormonal milieu has not been investigated in elderly patients. The authors prospectively followed a consecutive sample of 69 elderly patients aged 76.5±5.9 years with heart failure and 44 age-matched controls without heart failure between March 1997 and September 2000 at the Geriatric Cardiology Outpatient Clinic of the Heart Institute of São Paulo, Brazil. Events analyzed included death, hospitalization, and the combined end point of death or hospitalization. The study revealed that levels of triiodothyronine were lower in heart failure patients than in controls (89±23 vs. 101±16 ng/dL, p=0.001). During the follow-up period of 14.3±8.1 months there were 19 deaths and 33 hospitalizations in the heart failure group. The combined end point of death or hospitalization occurred in 38 patients. Triiodothyronine levels were lower in heart failure patients who had a cardiovascular event than in event-free patients (82.7±24.8 vs. 96.7±19.2 ng/dL, p=0.012). The odds ratio for events was 9.8 (95% confidence interval, 2.2-43, p=0.004) for patients in the lowest tertile of triiodothyronine, that is, lower than 80 ng/dL, compared with patients with levels above 80 ng/dL. The authors conclude that among elderly patients with heart failure, lower triiodothyronine concentrations are more prevalent and are associated with a worse prognosis.

Original languageEnglish
Pages (from-to)293-297
Number of pages5
JournalAmerican Journal of Geriatric Cardiology
Volume12
Issue number5
DOIs
Publication statusPublished - Sep 2003

Fingerprint

Triiodothyronine
Heart Failure
Hospitalization
Thyroid Diseases
Ambulatory Care Facilities
Cardiology
Geriatrics
Brazil
Odds Ratio
Confidence Intervals

ASJC Scopus subject areas

  • Geriatrics and Gerontology
  • Cardiology and Cardiovascular Medicine

Cite this

Rays, J., Wajngarten, M., Gebara, O. C. E., Nussbacher, A., Telles, R. M., Pierri, H., ... Serro-Azul, J. B. (2003). Long-Term Prognostic Value of Triiodothyronine Concentration in Elderly Patients with Heart Failure. American Journal of Geriatric Cardiology, 12(5), 293-297. https://doi.org/10.1111/j.1076-7460.2003.01737.x

Long-Term Prognostic Value of Triiodothyronine Concentration in Elderly Patients with Heart Failure. / Rays, Jairo; Wajngarten, Mauricio; Gebara, Otavio C E; Nussbacher, Amit; Telles, Renata Martinho; Pierri, Humberto; Rosano, Giuseppe; Serro-Azul, João Batista.

In: American Journal of Geriatric Cardiology, Vol. 12, No. 5, 09.2003, p. 293-297.

Research output: Contribution to journalArticle

Rays, J, Wajngarten, M, Gebara, OCE, Nussbacher, A, Telles, RM, Pierri, H, Rosano, G & Serro-Azul, JB 2003, 'Long-Term Prognostic Value of Triiodothyronine Concentration in Elderly Patients with Heart Failure', American Journal of Geriatric Cardiology, vol. 12, no. 5, pp. 293-297. https://doi.org/10.1111/j.1076-7460.2003.01737.x
Rays, Jairo ; Wajngarten, Mauricio ; Gebara, Otavio C E ; Nussbacher, Amit ; Telles, Renata Martinho ; Pierri, Humberto ; Rosano, Giuseppe ; Serro-Azul, João Batista. / Long-Term Prognostic Value of Triiodothyronine Concentration in Elderly Patients with Heart Failure. In: American Journal of Geriatric Cardiology. 2003 ; Vol. 12, No. 5. pp. 293-297.
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