11 Questions
Which of the following is a characteristic of pheochromocytomas?
They are derived from chromaffin tissue
What percentage of pheochromocytomas are malignant and tend to spread to the liver?
Less than 15%
Which of the following is NOT a part of the multiglandular-neoplastic syndrome known as multiple endocrine adenoma type IIa?
Adrenal medullary sympathetic hormone excess
Which of the following symptoms may be suggestive of pheochromocytoma before surgery or procedures?
Excessive sweating
What is the value of preoperative and preprocedure adrenergic receptor blocking drugs?
They reduce the risk of malignant hypertension
Which receptor blockade is recommended for all patients with active tumors?
α-adrenergic receptor blockade
What is the criteria for assessing the adequacy of treatment for pheochromocytoma before surgery?
No in-hospital arterial blood pressure reading higher than 165/90 mm Hg should be evident for 48 hours preoperatively
Which of the following is a key component of ideal patient care for individuals with pheochromocytoma?
Optimal preoperative preparation
What can cause an exaggerated stress response in patients with pheochromocytoma?
Painful or stressful events such as intubation
What can result in significantly elevated blood catecholamine levels in patients with pheochromocytoma?
Infarction of a tumor
What is the recommended treatment for hemodynamic rescue in catecholamine-resistant vasoplegic shock after resection of a massive pheochromocytoma?
Vasopressin
Test your knowledge on pheochromocytoma, a rare cause of hypertension. Learn about the adrenal medullary sympathetic hormone excess and its impact on anesthesia.
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