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Reversible ventricular dysfunction in cyanotic heart disease

Neeraj Awasthy1, S Radhakrishnan2, K S Iyer3

  • 1Consultant (Pediatric Cardiology), Department of Pediatric and Congenital Heart Diseases, Fortis Escorts Heart Institute, New Delhi, India.

Indian Heart Journal
|January 31, 2015
PubMed

Insights

Cyanotic congenital heart disease can cause ventricular dysfunction due to hypoxia. Evaluating for treatable causes like hypoxia is crucial in these patients before cardiac repair.

Area of Science:

  • Cardiology
  • Pediatric Cardiology
  • Cardiac Surgery

Background:

  • Ventricular dysfunction is a significant concern for patients undergoing cardiac surgery.
  • Cyanotic congenital heart disease (CCHD) presents unique preoperative challenges.
  • Hypoxia is a potential, yet often overlooked, contributor to ventricular dysfunction in CCHD.

Purpose of the Study:

  • To highlight hypoxia as a reversible cause of ventricular dysfunction in CCHD patients.
  • To emphasize the importance of investigating hypoxia in CCHD with ventricular dysfunction.
  • To guide preoperative evaluation and management strategies for CCHD.

Main Methods:

  • Case report of two patients with CCHD.
  • Clinical evaluation focusing on hypoxia and ventricular function.
  • Preoperative assessment for treatable causes of dysfunction.

Main Results:

  • Identified hypoxia as the cause of ventricular dysfunction in two CCHD cases.
  • Demonstrated improvement in ventricular function after addressing hypoxia.
  • Highlighted the need for thorough etiological investigation beyond structural abnormalities.

Conclusions:

  • Hypoxia should be considered and evaluated as a cause of ventricular dysfunction in CCHD patients.
  • Early identification and management of hypoxia can improve preoperative cardiac patient outcomes.
  • This underscores the importance of a comprehensive approach to ventricular dysfunction in CCHD.

Keywords:
HypocalcemiaHypoxiaTetralogy of Fallot

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