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Cardiac complications as initial manifestation of pheochromocytoma: frequency, outcome, and predictors

Run Yu1, Nicholas N Nissen, Serguei I Bannykh

  • 1Division of Endocrinology and Carcinoid and Neuroendocrine Tumor Center, Cedars-Sinai Medical Center, Los Angeles, California 90048, USA. run.yu@cshs.org

Endocrine Practice : Official Journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists
|February 3, 2012
PubMed

Insights

Pheochromocytoma can initially manifest as cardiac complications in 12% of patients. Early diagnosis is crucial to avoid unnecessary interventions and ensure excellent cardiac recovery after tumor removal.

Area of Science:

  • Endocrinology
  • Cardiology
  • Oncology

Background:

  • Pheochromocytoma, a rare neuroendocrine tumor, can present with diverse clinical manifestations.
  • Cardiac complications are a significant, though often overlooked, initial presentation of pheochromocytoma.

Purpose of the Study:

  • To determine the incidence and outcomes of cardiac complications as the first sign of pheochromocytoma.
  • To identify clinical predictors associated with cardiac involvement in pheochromocytoma patients.

Main Methods:

  • Retrospective review of 76 patients with pheochromocytoma or paraganglioma.
  • Comparison of clinical, laboratory, and imaging data between patients with initial cardiac complications and those with other presenting complaints.

Main Results:

  • 12% of patients (9/76) initially presented with cardiac issues, including heart failure, myocardial infarction, and arrhythmias.
  • Patients with cardiac complications had larger tumors and higher biochemical marker levels compared to others.
  • Cardiac function recovery was excellent post-tumor resection.

Conclusions:

  • Cardiac complications are a notable initial presentation of pheochromocytoma, occurring in 12% of cases.
  • Large tumors and elevated biochemical markers are predictors of cardiac injury in pheochromocytoma.
  • Ruling out pheochromocytoma in cardiac patients with suggestive features is vital for appropriate management and improved outcomes.
Abstract

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