• T Nakano, K Shimizu, O Kawashima, M Kamiyoshihara, T Nagashima, T Ibe, and I Takeyoshi.
• Department of Thoracic and Visceral Organ Surgery, Gunma University Graduate School of Medicine, Gunma, Japan.
• J Clin Pharm Ther. 2012 Aug 1;37(4):431-5.

What Is Known And ObjectiveSupraventricular tachycardia is a common complication after pulmonary resection. The objective of this study was to investigate the efficacy of landiolol hydrochloride, an ultra-short-acting β1-blocker, in patients with post-operative supraventricular tachycardia after pulmonary resection.MethodsThe response to continuous intravenous infusion of landiolol was evaluated in 25 patients who developed post-operative atrial fibrillation or atrial flutter after major pulmonary resection. Four patients had preoperative rate-controlled chronic atrial fibrillation. The heart rate and blood pressure were compared before and after infusion of landiolol. Side effects and recurrence of supraventricular tachycardia after termination of landiolol infusion were also monitored.Results And DiscussionThe heart rate was reduced from 135±24 bpm before landiolol infusion to a plateau rate of 85±19 bpm during infusion (P<0·0001). Heart rate reduction occurred in all but two patients. Conversion to normal sinus rhythm from supraventricular tachycardia occurred in 14 patients (56%). Recurrence of supraventricular tachycardia after stopping landiolol infusion was observed in 17 patients (68%), but all patients without preoperative AF were cured of post-operative AF. There were no detectable side effects, including no adverse influence on the circulatory and respiratory systems.What Is New And ConclusionContinuous intravenous infusion of landiolol was found to be effective and safe for supraventricular tachycardia after pulmonary resection.© 2011 Blackwell Publishing Ltd.

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