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Hypothyroidism in patients with heart disease

Jiskra, Jan

Vnitřní lékar̆stvĭ, 2017, Vol.63 (9), p.566-571 [Periódico revisado por pares]

Czech Republic

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  • Título:
    Hypothyroidism in patients with heart disease
  • Autor: Jiskra, Jan
  • É parte de: Vnitřní lékar̆stvĭ, 2017, Vol.63 (9), p.566-571
  • Descrição: Hypothyroidism is frequently found in patients with heart disease. It is a risk factor for atherosclerosis and ischemic heart disease and has a direct negative effect on both the left and right ventricular functions (hypothyroidism-induced cardiomyopathy). The confirmed manifest hypothyroidism is always a reason for replacement therapy with levothyroxine; regarding patients with heart disease, we always begin treatment with a small dose and increase it gradually. The treatment of subclinical hypothyroidism in patients with heart disease is disputable and its benefits probably depend on age. At a higher age, the therapy-related risks often outweigh its benefits, so we make do with the target levels of the thyroid stimulating hormone being within the upper band of the normal range, or even slightly above it, rather than overdosing the patient. To summarize in a simplified way, the treatment of subclinical hypothyroidism in patients with heart disease is the most effective in younger individuals, mainly those aged below 65, while at a higher age > 80 years the risk usually outweighs the benefit.Key words: cardiovascular risk - hypothyroidism - ischemic heart disease - left ventricular dysfunction - right ventricular dysfunction - subclinical hypothyroidism - thyroid peroxidase antibodies.
  • Editor: Czech Republic
  • Idioma: Tcheco;Inglês

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