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摘要: 目的:在心房颤动 (房颤) 冷冻球囊消融 (CBA) 中, 应用不同方法封堵右下肺静脉 (RIPV) , 以评价其对肺静脉电隔离 (PVI) 成功率的影响及其临床价值。方法:回顾性分析2017-12-2018-10于我院心血管内科接受CBA治疗的阵发性房颤 (PAF) 43例, 其中以采取“倒U”冷冻RIPV共24例作为试验组, 非“倒U”冷冻RIPV共19例作为对照组。比较两组的单次消融RIPV电隔离成功率、双侧PVI成功率、手术时间、X线曝光时间、并发症等情况。结果:与非“倒U”冷冻法相比, 采取“倒U”冷冻RIPV的单次消融电隔离率高, 手术时间及X线曝光时间明显缩短, 但两组的双侧PVI成功率、并发症基本一致。结论:CBA治疗房颤时, 采取“倒U”冷冻RIPV提高单次消融电隔离成功率, 缩短手术时间和X线曝光时间, 具有良好的可操作性及安全性。Abstract: Objective:To evaluate the effect and clinical value of cryoballoon ablation (CBA) in blocking the right inferior pulmonary vein (RIPV) with different ways in patients with atrial fibrillation, and to discuss the success rate of pulmonary vein electrical isolation (PVI) .Method:A retrospective analysis was made in 43 cases with paroxysmal atrial fibrillation (PAF) treated with CBA from December 2017 to October 2018.Among them, 24 cases were treated with "inverted U" CBA (experimental group) and 19 cases were treated with non-"inverted U" CBA (control group) .The success rates of RIPV isolation and bilateral PVI, operation time, X-ray exposure time, and complications were compared between the two groups.Result:Compared with non-"inverted U", the success rate of RIPV after a single ablation was higher, while the operation time and the X-ray exposure time were obviously shortened in patients treated with "inverted U".There was no significant statistical difference in the success rate of bilateral PVI and complications in the two groups.Conclusion:The "inverted U" freeze method can improve the success rate of RIPV after a single ablation and shorten the operation time and X-ray exposure time, which is safe and operable to operate in patients with atrial fibrillation.
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Key words:
- paroxysm atrial fibrillation /
- cryoballoon ablation /
- pulmonary vein isolation /
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