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Related Experiment Videos

[Hypoglycaemia after surgery on phaeochromocytoma].

M Alilou1, K Gaamouche, R El Moussaoui

  • 1Service de réanimation chirurgicale, bloc opératoire central, CHU Ibn-Sina, Rabat, Maroc. aliloumust@yahoo.fr <aliloumust@yahoo.fr>

Annales Francaises D'Anesthesie Et De Reanimation
|July 2, 2003
PubMed
Summary

Postoperative hypoglycemia can occur after phaeochromocytoma removal. This case highlights the need for close blood glucose monitoring and carbohydrate supplementation to prevent severe hypoglycemia after tumor excision.

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Area of Science:

  • Endocrinology
  • Surgical Oncology
  • Metabolic Disorders

Background:

  • Phaeochromocytoma, a rare tumor of the adrenal medulla, secretes catecholamines, leading to hypertension and other symptoms.
  • Surgical removal is the primary treatment for phaeochromocytoma.
  • Postoperative complications, including hypoglycemia, are infrequently reported but significant.

Observation:

  • A 30-year-old patient developed severe hypoglycemia (1.67 mmol x L(-1)) seven hours after right phaeochromocytoma excision.
  • The hypoglycemia manifested as seizures, which resolved within 24 hours.
  • This complication occurred despite the absence of preoperative hypoglycemia.

Findings:

  • The severe hypoglycemia is likely due to excessive insulin secretion from pancreatic beta cells.

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  • This insulin surge may result from the sudden removal of alpha-adrenergic inhibition by catecholamines after tumor resection.
  • Suppressed alpha-adrenergic tone may lead to unopposed insulin release.

    • Implications:

    • Close monitoring of capillary blood glucose is crucial in the postoperative period following phaeochromocytoma removal.
    • Proactive carbohydrate administration may be necessary to maintain normoglycemia and prevent severe hypoglycemic events.
    • Understanding the pathophysiology aids in managing this rare but serious complication.