Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2021
Safety, efficacy, and cost-performance of a simplified cryoballoon ablation procedure for paroxysmal atrial fibrillation.
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Matsuda Yasuhiro, Masuda Masaharu, Sakio Takashige, Asai Mitsutoshi, Iida Osamu, Okamoto Shin, Ishihara Takayuki, Nanto Kiyonori, Kanda Takashi, Tsujimura Takuya, Hata Yosuke, Uematsu Hiroyuki, Mano Toshiaki
Аннотация
BACKGROUND: The search for a less invasive and lower cost cryoballoon-based strategy for atrial fibrillation (AF) ablation has resulted in a simplified procedure that may be suitable for cryoballoon ablation (CBA). Here, we compared procedural characteristics and outcomes between conventional CBA and simple CBA.
METHODS: We enrolled 628 consecutive patients who underwent initial CBA for AF (age, 69 ± 12 years; female, 263 (42%); paroxysmal AF, 576 (92%); CHA2DS2-VASc score, 2.7 ± 1.6 points). Simple CBA was characterized by the minimal procedure required to isolate pulmonary veins, including the following: (1) CBA was performed without guidance from a 3-D mapping system; (2) a coronary sinus electrode and esophageal temperature probe were not used; (3) a waiting period after pulmonary vein isolation was not set; and AF induction by isoproterenol and atrial burst stimuli were not performed.
RESULTS: Simple CBA was performed in 240 (38%) patients. Procedural time (49 ± 18 versus 85 ± 27 min, p < 0.01) was shorter, and total procedural costs (20,699 ± 8,091 versus 30,350 ± 11,647 US dollars, p < 0.01) were lower with simple CBA than conventional CBA. Freedom from AF recurrence during the 12-month study period (79.8% versus 78.4%, p = 0.52) and complication rate (8.8% versus 13.1%, p = 0.09) were similar between the two groups.
CONCLUSION: Compared with conventional CBA, simple CBA reduced procedural time and procedural costs while providing comparable outcomes.
METHODS: We enrolled 628 consecutive patients who underwent initial CBA for AF (age, 69 ± 12 years; female, 263 (42%); paroxysmal AF, 576 (92%); CHA2DS2-VASc score, 2.7 ± 1.6 points). Simple CBA was characterized by the minimal procedure required to isolate pulmonary veins, including the following: (1) CBA was performed without guidance from a 3-D mapping system; (2) a coronary sinus electrode and esophageal temperature probe were not used; (3) a waiting period after pulmonary vein isolation was not set; and AF induction by isoproterenol and atrial burst stimuli were not performed.
RESULTS: Simple CBA was performed in 240 (38%) patients. Procedural time (49 ± 18 versus 85 ± 27 min, p < 0.01) was shorter, and total procedural costs (20,699 ± 8,091 versus 30,350 ± 11,647 US dollars, p < 0.01) were lower with simple CBA than conventional CBA. Freedom from AF recurrence during the 12-month study period (79.8% versus 78.4%, p = 0.52) and complication rate (8.8% versus 13.1%, p = 0.09) were similar between the two groups.
CONCLUSION: Compared with conventional CBA, simple CBA reduced procedural time and procedural costs while providing comparable outcomes.