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首页> 外文期刊>PACE: Pacing and clinical electrophysiology >Contribution of a pacemaker bradycardia detection algorithm in the study of patients with carotid sinus syndrome.
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Contribution of a pacemaker bradycardia detection algorithm in the study of patients with carotid sinus syndrome.

机译：心脏起搏器心动过缓检测算法在颈动脉窦综合征患者研究中的贡献。

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While carotid sinus syndrome (CSS) is often suspected as a cause of syncope in the elderly, whether it represents an indication for cardiac pacing may remain uncertain. Bradycardia algorithms included in pacemakers are now able to establish a precise relationship between spontaneous asystole and occurrence of symptoms and strengthen the indication for permanent pacing. This study included seven men and three women (70.5 +/- 7.3 years of age) who, over an average period of 54.1 +/- 17 months, had suffered from syncope (12.6 episodes/patient) and presyncope (11.2 episodes/patient) attributed to pure cardioinhibition (2 patients) or mixed CSS (8 patients). Other sources of symptoms were excluded by thorough clinical evaluations, including Holter monitoring, echocardiography, and electrophysiological testing. All patients received a CHORUS 6234 pacemaker, the memory of which includes a dedicated bradycardia detection algorithm capable of storing atrial and ventricular chains, and date and time of the last ten pauses and/or bradycardic events. After a initial period of 14.7 +/- 8 months, during which symptoms were suppressed, the bradycardia algorithm was activated. From then on, a cumulative increase in the number of patients presenting with diurnal pauses was measured (1 month, n = 0; 3 months, n = 6; 9 months, n = 7; 2 years, n = 8). Fourteen episodes of diurnal asystole were recorded. The mean duration of the longest episodes of spontaneous ventricular standstill was 6,319 +/- 1,615 ms and was due to sinoatrial block (n = 7), atrioventricular block (n = 5), and a combination of both (n = 2). In conclusion, activation of the CHORUS bradycardia algorithm allowed confirmation of the appropriateness of permanent pacing in a majority of patients suffering from CSS.
机译：虽然经常怀疑颈动脉窦综合征（CSS）是老年人晕厥的原因，但它是否代表心脏起搏的指征可能仍不确定。起搏器中包括的心动过缓算法现在能够在自发性心搏停止和症状发生之间建立精确的关系，并增强永久起搏的指征。这项研究包括七名男性和三名女性（70.5 +/- 7.3岁），他们平均经历54.1 +/- 17个月的晕厥（12.6例/患者）和晕厥前（11.2例/患者）。归因于单纯心脏抑制（2例患者）或混合CSS（8例）。彻底的临床评估排除了其他症状来源，包括动态心电图监测，超声心动图和电生理测试。所有患者均接受CHORUS 6234起搏器，其记忆包括专用的心动过缓检测算法，该算法能够存储心房和心室链以及最近十次暂停和/或心动过缓事件的日期和时间。经过14.7 +/- 8个月的初始阶段，在此期间症状得到抑制，心动过缓算法被激活。从那时起，测量出出现昼间停顿的患者数量的累积增加（1个月，n = 0; 3个月，n = 6; 9个月，n = 7; 2年，n = 8）。记录了14次昼间停搏。自发性心室停顿最长发作的平均持续时间为6,319 +/- 1,615 ms，这是由于窦房传导阻滞（n = 7），房室传导阻滞（n = 5）和两者的组合（n = 2）所致。总而言之，CHORUS心动过缓算法的激活使大多数患有CSS的患者能够确定永久起搏的适用性。

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