What question did this study set out to answer?

To explore the therapeutic potential of botulinum toxin in preventing postoperative atrial fibrillation (POAF).

January 10, 2026International Journal of Innovative Technologies in Social Science0 citationsOpen Access

The New Face of an Old Toxin: Botulinum Toxin in the Preven-Tion of Post-Operative Heart Rhythm Disorders

AKAnna Kaźmierska MKMaciej KaźmierskaMedical University of Silesia

Key Result

Botulinum toxin may reduce the incidence of postoperative atrial fibrillation in selected patient groups undergoing cardiac surgery.

Key Points

To explore the therapeutic potential of botulinum toxin in preventing postoperative atrial fibrillation (POAF).
Review of existing literature on botulinum toxin applications in cardiology.
Analysis of cholinergic conduction's role in autonomic nervous system modulation.
Evaluation of the incidence of postoperative arrhythmias in patients using botulinum toxin.
Botulinum toxin may reduce the incidence of postoperative arrhythmias in selected patient groups.
Imbalance in autonomic regulation is highlighted as a crucial factor in atrial fibrillation's pathogenesis.

Structured PICO

Does botulinum toxin prevent postoperative atrial fibrillation in patients undergoing cardiac surgery?

Population

Patients undergoing cardiac surgery (abstract); children and adults receiving botulinum toxin injections for approved uses (e.g., cervical dystonia, severe primary axillary hyperhidrosis, strabismus, blepharospasm) and unapproved uses (e.g., cerebral palsy-associated limb spasticity) (full text).

Intervention

Botulinum toxin (types A and B, including Botox, Botox Cosmetic, Myobloc, Dysport)

Outcome

Prevention of postoperative atrial fibrillation (abstract); distant spread of botulinum toxin effects from the site of injection resulting in systemic symptoms of botulism, including dysphagia and respiratory compromise (full text).safety

While botulinum toxin is being explored for preventing postoperative atrial fibrillation, the FDA mandates boxed warnings and REMS for all botulinum toxin products due to the serious risk of distant spread causing systemic botulism.

Main Result

Absolute Event Rate: 0% vs 0%

Abstract

Botulinum toxin, previously used mainly in neurology and aesthetic medicine, is increasingly finding application in new fields, including cardiology. Its ability to selectively and temporarily block cholinergic conduction makes it a promising tool for modulating the activity of the autonomic nervous system, which is important in the prevention of postoperative atrial fibrillation (POAF). Atrial fibrillation is one of the most common postoperative complications in cardiac surgery, significantly affecting the course of recovery and patient prognosis. An imbalance between sympathetic and parasympathetic regulation of the heart rhythm plays a significant role in the pathogenesis of this disorder. This paper reviews the current state of knowledge on the therapeutic potential of botulinum toxin in the prevention of POAF. The data indicate that the use of botulinum toxin may lead to a reduction in the incidence of postoperative arrhythmias in selected patient groups. The need for further research to determine the optimal treatment regimen and identify the patient population most likely to benefit from this type of therapy was also emphasised.

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