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Related Experiment Videos

Phaeochromocytoma and mitral valve replacement.

N Fenje1, L W Lee, W R Jamieson

  • 1Department of Anesthesiology, Vancouver General Hospital, B.C.

Canadian Journal of Anaesthesia = Journal Canadien D'Anesthesie
|March 1, 1989
PubMed
Summary

A patient with mitral regurgitation developed phaeochromocytoma after heart surgery. Despite prior anesthesia issues, it was undetected, presenting with fever, confusion, and high white blood cell count.

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Area of Science:

  • Cardiology
  • Endocrinology
  • Anesthesiology

Background:

  • Progressive mitral regurgitation necessitates surgical intervention, including mitral valve replacement and coronary artery bypass.
  • Phaeochromocytoma, a rare neuroendocrine tumor, can present with diverse and sometimes subtle symptoms.

Observation:

  • A patient diagnosed with phaeochromocytoma experienced this post-cardiac surgery.
  • The patient had a history of adverse reactions to anesthesia, which were not anticipated in this instance, possibly due to concurrent cardiac conditions.
  • Key presenting symptoms included fever, leukocytosis (elevated white blood cell count), and confusion.

Findings:

  • Diagnosis of phaeochromocytoma was established following mitral valve replacement and coronary artery bypass surgery.

Related Experiment Videos

  • Hemodynamic stability was successfully managed using labetalol, an alpha- and beta-adrenergic blocker.

    • Implications:

    • Highlights the importance of considering phaeochromocytoma in patients with cardiac conditions, even after major surgery.
    • Underscores the potential for atypical presentations and the need for vigilance in anesthetic management.
    • Demonstrates the efficacy of specific pharmacologic agents like labetalol in managing intraoperative and postoperative hemodynamic instability associated with phaeochromocytoma.