Key result
Temperature-based rate-adaptive leadless pacemakers can cause wide-complex tachycardia (~130 beats/min) during cardiopulmonary bypass rewarming, resolving when rate response is disabled.
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For patients with temperature-responsive leadless pacemakers undergoing cardiac surgery with cardiopulmonary bypass, preoperative device interrogation and temporary deactivation of rate response should be strongly considered to prevent rewarming-induced intraoperative tachycardia.
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Binaya Basyal (2026) conducted an editorial in Intraoperative tachycardia during cardiopulmonary bypass rewarming in a patient with a temperature-responsive leadless pacemaker (n=1). Central venous temperature-based rate-adaptive pacing (Abbott AVEIR VR leadless pacemaker) during cardiopulmonary bypass rewarming was evaluated on Heart rate during cardiopulmonary bypass rewarming. Temperature-based rate-adaptive leadless pacemakers can cause wide-complex tachycardia (~130 beats/min) during cardiopulmonary bypass rewarming, resolving when rate response is disabled.
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