Cases of CRT group were given right atrium and biventricular or pure biventricular pacing, and received strict follow-up and the pacing parameter were optimized dynamically.
CRT组施行右房双室或单纯双室起搏并动态随访、优化起搏参数，同时两组患者皆给予正规的抗心衰药物治疗。
Methods The transesophageal pacing was performed in 39 children with prolonged pr interval (study group) and 141 children with normal pr interval (control group).
方法对39例PR间期延长(研究组)和141例PR间期正常(对照组)患儿房室传导功能进行了经食道心房调搏研究。
TSN group?s atrium was maintained after the pacing process.
起搏后TSN组维持原有的心房肌频率适应性。
TSN group?s atrium was maintained after the pacing process.
起搏后TSN组维持原有的心房肌频率适应性。
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