The correlation between left atrial fat gray value and the prognosis of patients with atrial fibrillation treated by thoracoscopic radiofrequency ablation
- VernacularTitle:左房脂肪灰度值与胸腔镜外科射频消融治疗心房颤动预后的相关性
- Author:
Yan CUI
1
;
Haojie LI
2
;
Juan DU
1
;
Ye SHI
1
;
Liang ZOU
1
;
Yi CHEN
1
;
Zhipeng ZHANG
1
;
Danqing XU
1
;
Limeng YANG
1
;
Zhihui HOU
3
;
Jianfeng HOU
2
;
Yan YAO
4
;
Zhe ZHENG
2
Author Information
1. Department of SICU, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, P.R.China
2. Department of Cardiac Surgery, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, P.R.China
3. Department of Medical Image Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, P.R.China
4. Department of Arrhythmia, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, P.R.China
- Publication Type:Journal Article
- Keywords:
Atrial fibrillation;
thoracoscopic surgery;
radiofrequency ablation;
epicardial fat
- From:
Chinese Journal of Clinical Thoracic and Cardiovascular Surgery
2021;28(07):806-810
- CountryChina
- Language:Chinese
-
Abstract:
Objective To analyze the correlation between the gray value of epicardial fat and the prognosis of patients with atrial fibrillation (AF) treated by thoracoscopic radiofrequency ablation. Methods The clinical data of 97 patients, including 75 males and 22 females with an average age of 57.8±9.4 years, who underwent thoracoscopic radiofrequency ablation in Fuwai Hospital from 2017 to 2018 were analyzed retrospectively. The left atrial fat volume and average gray scale were calculated by left atrial enhanced CT. According to the average gray scale of left atrial fat tissue, the patients were divided into three groups: a high gray scale group, a medium gray scale group and a low gray scale group. The patients were followed up at 3, 6 and 12 months after operation. The end point of follow-up was the recovery rate of sinus rhythm. Survival analysis was used to analyze the correlation between CT features of epicardial fat enhancement and prognosis. Results After adjustment of body mass index, body surface area, gender and left atrial end diastolic diameter, regression analysis showed that the fat gray of left atrial enhanced CT was correlated with the type of AF (OR=0.30, 95%CI 0.12-0.79, P=0.014). Cox regression analysis showed that the fat gray value of left atrial CT predicted the recurrence of AF after thoracoscopic radiofrequency ablation (OR=0.92, 95%CI 0.85-0.99). The Kaplan-Meier curve showed significant difference in the long-term recurrence rate of AF among the three groups (P=0.011). The lower left atrial fat enhanced CT gray scale was, the higher long-term recurrence rate of AF was. Conclusion The gray value of left atrial fat enhanced CT can effectively predict the recurrence of AF after radiofrequency ablation in thoracoscopic surgery.
