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Related Experiment Videos

Echocardiographic study in acromegalic patients.

P D Bertoni1

  • 1Servizio di Cardiologia con Unità Coronarica, Ospedale S. Antonio Abate, Gallarate, Varese.

Minerva Cardioangiologica
|September 1, 1992
PubMed
Summary

Acromegaly patients show increased heart muscle thickness and impaired diastolic function. These changes in left ventricular function may be the primary abnormality in acromegaly.

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Area of Science:

  • Cardiology
  • Endocrinology
  • Echocardiography

Background:

  • Acromegaly, a condition caused by excess growth hormone, can affect cardiovascular health.
  • Left ventricular function is crucial for overall cardiac performance.

Purpose of the Study:

  • To evaluate left ventricular function in patients with acromegaly.
  • To identify specific echocardiographic abnormalities associated with acromegaly.

Main Methods:

  • M-mode echocardiograms were performed on 25 acromegaly patients and 25 age-matched controls.
  • Computer analysis of echocardiographic tracings assessed cardiac structures and dimensions.
  • Key parameters of diastolic function, including isovolumic relaxation period (IRP), were analyzed.

Main Results:

  • Acromegalic patients exhibited significantly increased septum and posterior wall thickness.
  • Left ventricular muscular mass was markedly elevated in the acromegaly group (p < 0.001).
  • Abnormalities in diastolic function were observed, including increased left ventricular dimension change during IRP (p < 0.001) and prolonged IRP duration (p < 0.001), alongside reduced dimension change during rapid filling (p < 0.01).

Conclusions:

  • Impaired diastolic function is a common finding in acromegaly.
  • These diastolic abnormalities may represent the primary issue in left ventricular dysfunction in acromegaly.

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