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Influence of growth hormone on cardiovascular health and disease

Annamaria Colao1, Carolina Di Somma, Giovanni Vitale

  • 1Department of Molecular and Clinical Endocrinology and Oncology, Federico II University, Naples, Italy. colao@unina.it

Insights

Growth hormone (GH) deficiency and excess impact heart health, potentially reducing life expectancy. GH therapy may reverse some cardiovascular abnormalities in patients with GH deficiency.

Area of Science:

  • Cardiology
  • Endocrinology
  • Metabolic Diseases

Background:

  • Growth hormone (GH) and insulin-like growth factor-1 (IGF-1) play roles in cardiac development.
  • GH deficiency (GHD) is linked to cardiac structural and functional abnormalities, increasing cardiovascular risk.

Purpose of the Study:

  • To review the impact of GH on cardiovascular function.
  • To explore the potential of GH therapy in managing cardiovascular complications associated with GHD.

Main Methods:

  • Review of experimental and clinical studies on GH, IGF-1, and cardiovascular health.
  • Analysis of data on cardiac structure, function, and vascular changes in GHD patients.
  • Evaluation of the effects of somatropin (recombinant GH) therapy.

Main Results:

  • GHD is associated with reduced cardiac mass, impaired diastolic filling, and diminished exercise response.
  • GHD patients exhibit increased vascular intima-media thickness and atheromatous plaques, elevating cardiovascular and cerebrovascular risk.
  • Somatropin therapy has shown potential in partially reversing cardiac abnormalities and improving hemodynamics in GHD patients and heart failure.

Conclusions:

  • GH plays a significant role in cardiovascular health.
  • Somatropin therapy offers promising therapeutic perspectives for cardiovascular complications in GHD.
  • Further extensive studies are needed to confirm these findings and explore GH secretagogues in heart failure.

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