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Imbalances in Cardiac Output

Imbalances in Cardiac Output

The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...

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Operating Transverse Aortic Constriction with Absorbable Suture to Obtain Transient Myocardial Hypertrophy

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Intraoperative Takotsubo Syndrome.

Gentian Huti^1,2, Filadelfo Coniglione^1,2,3, Alert Drishti¹

¹Department of Surgery, Service of Anesthesiology and Intensive Care, University of Medicine, Tirana, Albania.

Journal of Medical Cases

|August 29, 2024

Summary

Takotsubo cardiomyopathy, a heart condition mimicking ischemia, can be triggered by stress. This case highlights a rare instance of intraoperative Takotsubo cardiomyopathy potentially caused by specific medications during surgery.

Keywords:

Cabergoline Hypertension Oxymetazoline Takotsubo syndrome

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Area of Science:

Cardiology
Anesthesiology
Endocrinology

Background:

Takotsubo cardiomyopathy (TTC) mimics acute myocardial ischemia, posing diagnostic challenges.
Excessive catecholamines cause myocardial dysfunction, often affecting the left ventricle's apex.
Risk factors include stress, postmenopausal syndrome, and pre-existing cardiac conditions.

Observation:

A 22-year-old woman developed Takotsubo cardiomyopathy during surgery for a pituitary tumor.
Intraoperative hypertension and pulmonary edema occurred after administration of cabergoline and oxymetazoline.
The patient underwent transsphenoidal resection under general anesthesia.

Findings:

This is the first reported case of intraoperative Takotsubo cardiomyopathy linked to cabergoline and oxymetazoline.
The combination of these drugs may induce severe cardiac stress response.
The patient experienced significant left ventricular apical dyskinesia and reduced ejection fraction.

Implications:

Highlights a novel potential trigger for Takotsubo cardiomyopathy in the perioperative setting.
Suggests careful consideration of drug interactions in patients undergoing pituitary tumor surgery.
Emphasizes the importance of recognizing and managing stress-induced cardiomyopathy during anesthesia.