Objective To investigate the clinical observation methods of ablation of premature ventricular contractions in children under the guidance of Carto 3 D electrical mapping system and to reduce the crying and intraoperative complications. Methods 45 children with premature ventricular contractions under the guidance of the Carto 3 D electrical mapping system from January 2017 to August 2018 were selected as the research objects. And it was found that children's crying and surgical complications can be reduced by adequate preoperative preparation, close observation during surgery and strict postoperative handover. ResultsIn 45 children, 40 cases were successfully ablated, 2 cases were effective, 2 cases were recurrence (success in the second ablation), and 1 case had failed surgery because the premature ventricular contractions disappeared after anesthesia. 1 case of atelectasis occurred during operation and 1 case of hematoma at arterial puncture. No crying appeared before and after the operation. All patients recovered and discharged after surgery. Conclusion Carto 3 D electrical mapping system is safe and effective in ablation of premature ventricular contractions in children. Sufficient preparation before surgery can eliminate the fear of patients, improve the tolerance of surgery. Close observation during operation, timely treatment, and strict handover after surgery can reduce the occurrence of complications and discomfort of children, increase the safety of surgery.%目的 探讨Carto三维电标测系统引导下消融儿童室性早搏的临床观察方法.方法 选取我院行Carto三维电标测系统引导下消融儿童室性早搏45例作为研究对象, 发现术前做好充分准备, 术中细心操作、严密观察, 术后严格交接, 可减少患儿的哭闹、预防并发症的发生.结果 45例患儿中成功消融40例, 有效2例, 复发2例 (第二次消融成功), 麻醉后室早消失未做1例.术中发生肺不张1例, 动脉穿刺处血肿1例.手术前后无哭闹.术后均康复出院.结论 Carto三维电标测系统引导下消融儿童室性早搏安全有效, 术前做好充分准备, 术中严密观察, 及时处理, 术后严格交接增加手术的安全性.
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