Heart, lung & circulation · 2018
Human Epicardial Adipose Tissue Activin A Expression Predicts Occurrence of Postoperative Atrial Fibrillation in Patients Receiving Cardiac Surgery.
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Wang Qing, Min Jie, Jia Lanting, Xi Wang, Gao Yang, Diao Zongping, Zhang Peng, Wang Suyu, Yang Jie, Wang Liaoyuan, Zhang Yufeng, Wang Zhinong
Аннотация
BACKGROUND: Activin A secreted by epicardial adipose tissue (EAT) plays a major role in the progress of atrial fibrosis. However, the potential of Activin A in predicting the occurrence of postoperative atrial fibrillation (POAF) has yet to be elucidated. We aimed to investigate the predicable value of Activin A expression in EAT on POAF.
METHODS: A total of 89 patients receiving cardiac surgery without atrial fibrillation (AF) history were enrolled in this study, including 49 patients with valvular heart disease (VHD) and 40 patients with non-valvular heart disease (NVHD). Activin A expression in EAT was determined by quantitative polymerase chain reaction (qPCR), while the thickness of EAT (EATT) was estimated by echocardiography. New onset POAF before discharge was documented.
RESULTS: Eventually 32 patients (36.0%) developed POAF, including 20 patients with VHD (40.8%) and 12 patients with NVHD (30.0%). Activin A expression was higher in POAF than sinus rhythm (SR) patients, whether for VHD or NVHD group (All p<0.001). In general, Activin A expression predicted the occurrence of POAF with a sensitivity of 65.6% and specificity of 91.2% (AUC: 0.795; 95%CI: 0.693-0.897, p<0.001). Subgroup analysis showed that EATT was not significant for the VHD group in predicting POAF (p=0.07), while Activin A expression demonstrated a sensitivity of 60.0% and specificity of 89.7% (AUC: 0.745; 95%CI: 0.601-0.889, p<0.001). Multivariate regression analysis showed that Activin A expression in EAT was an independent risk factor for POAF (OR: OR=1.067, 95%CI:1.002-1.136, p=0.042).
CONCLUSIONS: Activin A expression in EAT is an independent risk factor for POAF, which can be used for prediction of POAF, especially for patients with VHD.
METHODS: A total of 89 patients receiving cardiac surgery without atrial fibrillation (AF) history were enrolled in this study, including 49 patients with valvular heart disease (VHD) and 40 patients with non-valvular heart disease (NVHD). Activin A expression in EAT was determined by quantitative polymerase chain reaction (qPCR), while the thickness of EAT (EATT) was estimated by echocardiography. New onset POAF before discharge was documented.
RESULTS: Eventually 32 patients (36.0%) developed POAF, including 20 patients with VHD (40.8%) and 12 patients with NVHD (30.0%). Activin A expression was higher in POAF than sinus rhythm (SR) patients, whether for VHD or NVHD group (All p<0.001). In general, Activin A expression predicted the occurrence of POAF with a sensitivity of 65.6% and specificity of 91.2% (AUC: 0.795; 95%CI: 0.693-0.897, p<0.001). Subgroup analysis showed that EATT was not significant for the VHD group in predicting POAF (p=0.07), while Activin A expression demonstrated a sensitivity of 60.0% and specificity of 89.7% (AUC: 0.745; 95%CI: 0.601-0.889, p<0.001). Multivariate regression analysis showed that Activin A expression in EAT was an independent risk factor for POAF (OR: OR=1.067, 95%CI:1.002-1.136, p=0.042).
CONCLUSIONS: Activin A expression in EAT is an independent risk factor for POAF, which can be used for prediction of POAF, especially for patients with VHD.