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美国学者Marrouche等进行了一项房颤患者行肺静脉前庭隔离术的前瞻性研究,比较开放灌注技术与心内超声引导用于肺静脉前庭隔离术能源传递的有效性和安全性。研究入选53例行肺静脉前庭隔离术的房颤患者,随机分为开放灌注技术导管组(组1,26例,温度和能量各设为50℃和50W,盐水流速为30ml/min)或心内超声引导组(组2,27例,根据微气泡形成逐步确定能量)。
American scholar Marrouche et al conducted a prospective study of pulmonary venous vestibular incision in patients with atrial fibrillation and compared the effectiveness and safety of open perfusion and intracardiac ultrasound in the energy transfer of pulmonary vestibular vestibulotomy. A total of 53 patients with atrial fibrillation undergoing pulmonary vein vestibular dissection were enrolled in this study. Patients were randomly divided into open perfusion catheterization group (group 1 and 26, temperature and energy set at 50 ℃ and 50W respectively, saline flow rate 30ml / min) or intracardiac Ultrasound-guided group (group 2, 27 cases, stepwise determination of energy based on microbubble formation).