Key result
Metoprolol and ivabradine combination successfully reduced mean heart rate from 89 to 65 bpm in a patient with inappropriate sinus tachycardia following cryoballoon ablation for atrial fibrillation.
Case Report (n=1)
No
Inappropriate sinus tachycardia can occur as a complication of superior vena cava and pulmonary vein isolation using cryoballoon ablation, and can be successfully managed with metoprolol and ivabradine.
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May control post-ablation IST in select cases; leaves open need for prospective validation before broader use.
We report a case of persistent inappropriate sinus tachycardia (IST) after pulmonary vein and superior vena cava (SVC) isolation with cryoballoon ablation for paroxysmal atrial fibrillation (PAF). After the cryoballoon ablation (CBA) procedure, the patient presented with sinus tachycardia of 105 beats/minute. The patient was successfully treated with metoprolol and ivabradine therapy.
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Sucu et al. (2015) conducted a case report in Paroxysmal Atrial Fibrillation (n=1). Metoprolol and ivabradine was evaluated on Mean heart rate (beats per minute). Metoprolol and ivabradine combination successfully reduced mean heart rate from 89 to 65 bpm in a patient with inappropriate sinus tachycardia following cryoballoon ablation for atrial fibrillation.
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