Left Ventricular Rotational Abnormalities in Treated Hypopituitarism: Insights From the Three-Dimensional

Árpád Kormányos1, Nándor Gyenes1, Ágnes Horváth1

  • 1Department of Medicine, Medical Faculty, Albert Szent-Györgyi Clinical Center, University of Szeged, Szeged, Hungary.

Insights

Patients with hypopituitarism show impaired left ventricular (LV) rotation and twist, regardless of disease origin. Some patients exhibit LV rigid body rotation, indicating potential cardiac dysfunction in this hormonal disorder.

Area of Science:

  • Cardiology
  • Endocrinology
  • Medical Imaging

Background:

  • Hypopituitarism is a rare hormonal disorder affecting pituitary gland function.
  • Cardiac involvement in hypopituitarism is not fully understood.
  • Assessing left ventricular mechanics may reveal subclinical cardiac dysfunction.

Purpose of the Study:

  • To evaluate left ventricular (LV) rotational mechanics in treated hypopituitarism patients.
  • To compare LV rotational parameters between hypopituitarism patients and healthy controls.
  • To investigate differences in LV mechanics based on the origin (congenital vs. acquired) of hypopituitarism.

Main Methods:

  • Prospective study involving 31 treated hypopituitarism patients and 29 healthy controls.
  • Utilized complete two-dimensional and three-dimensional speckle-tracking echocardiography.
  • Analyzed left ventricular apical rotation, basal rotation, and twist.

Main Results:

  • No significant differences in LV volumes between groups.
  • Impaired LV apical rotation and LV twist observed in hypopituitarism patients compared to controls.
  • 13% of patients displayed LV rigid body rotation (LV-RBR), characterized by near absence of LV twist.

Conclusions:

  • Hypopituitarism is associated with impaired LV apical rotation and twist, irrespective of its cause.
  • LV-RBR is a notable finding in a subset of hypopituitarism patients.
  • Further research is warranted to understand the clinical implications of these cardiac findings.