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Brugada syndrome and its relevance in the perioperative period
Dan Sorajja, Harish Ramakrishna, A Karl Poterack
1Department of Anesthesiology, Mayo Clinic, Arizona, AZ 85259, USA.
Insights
Brugada syndrome, a genetic heart condition, increases sudden cardiac death risk. Anesthetic management requires careful consideration of perioperative factors to prevent dangerous arrhythmias in affected patients.
Area of Science:
- Cardiology
- Genetics
- Anesthesiology
Background:
- Brugada syndrome is an autosomal dominant genetic disorder.
- It is characterized by an increased risk of sudden cardiac death and ventricular tachyarrhythmias.
- Defective cardiac sodium channels lead to specific electrocardiographic findings (coved-type ST elevation).
Purpose of the Study:
- To highlight the anesthetic considerations for patients with Brugada syndrome undergoing non-cardiac surgery.
- To emphasize the risks associated with perioperative management in these patients.
- To underscore the importance of knowledge of inherited conduction disorders for safe surgical procedures.
Main Methods:
- Review of existing literature on Brugada syndrome and anesthesia.
- Analysis of potential perioperative triggers for arrhythmias.
- Discussion of safe anesthetic management strategies.
Main Results:
- Most patients with Brugada syndrome tolerate anesthesia and surgery well.
- Perioperative factors like medications, fever, and electrolyte imbalances can exacerbate ST elevation and arrhythmias.
- Increased prevalence of patients with inherited conduction disorders undergoing surgery necessitates specialized knowledge.
Conclusions:
- Safe anesthetic management for patients with Brugada syndrome requires a thorough understanding of the condition.
- Awareness of potential perioperative risks is crucial for preventing adverse cardiac events.
- Knowledge of inherited conduction disorders is essential for anesthesiologists managing patients for non-cardiac surgery.
Abstract:
Brugada syndrome is an autosomal dominant genetic disorder associated with an increased risk of sudden cardiac death, as well as ventricular tachyarrhythmias.The defective cardiac sodium channels result in usual electrocardiographic findings of a coved-type ST elevation in precordial leads V1 to V3. The majority of patients have uncomplicated courses with anesthesia, surgery, and invasive procedures. However there is risk of worsening ST elevation and ventricular arrhythmias due to perioperative medications, surgical insult, electrolyte abnormalities, fever, autonomic nervous system tone, as well as other perturbations. Given the increasing numbers of patients with inherited conduction disorders presenting for non-cardiac surgery that are at risk of sudden cardiac death, safe anesthetic management depends upon a detailed knowledge of these conditions.
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