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Atrial tachycardia termination by ablation alone is associated with an improved clinical outcome in patients with persistent atrial fibrillation undergoing catheter ablation

Atrial tachycardia termination by ablation alone is associat...

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中华医学会心电生理和起搏分会第十次全国学术年会

作者： genqing zhou,songwen chen,gang chen,shaowen liu shanghai first people’s hospital,affliated to jiaotong university 200000

Objective To investigate the clinical significance of AT termination in patients with persistent AF undergoing ablation. Methods A total of 200 consecutive patients with persistent AF were enrolled in this study,and underwent radiofrequency catheter ablation for the first time in individualized ablation strategy navigated by Carto(Biosense Webster,Diamond Bar,CA,UsA).If AF organized into AT,we tried to define the mechanism of every AT,then optimal ablation was performed to terminate these *** we failed to define or terminate the ATs,cardioversion was used to restore sinus rhythm(sR).A 3-month blanking period was resumed. Results AF organized into AT during procedure in 93 patients(mean age 57.1±11.3 years,73 male),AT was terminated to sR successfully by further ablation in 62 patients and by cardioversion in 31 *** a mean follow-up of 38.5±15.9 months,sR was maintained in 51 patients(54.8%).There was a lower recurrent incidence(32.3%vs.71.0%,P = 0.001) in patients who had AT termination by ablation alone compared with those who did not. Conclusions AT termination by ablation alone is associated with an improved clinical outcome in patients with persistent AF.

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Comparison of circumferential pulmonary vein anatomy mapping in patients with atrial fibrillation guided by Carto mapping system and high-density mesh mapping catheter

Comparison of circumferential pulmonary vein anatomy mapping...

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中华医学会心电生理和起搏分会第十次全国学术年会

作者： Yiwen Yan,gang chen,songwen chen,Feng Zhang,Weidong Meng,shaowen liu shanghai first people’s hospital,affliated to jiaotong university 200000

Objective Catheter-based pulmonary vein isolation(PVI) is an established therapy to treat patients with paroxysmal atrial *** high-density mesh mapper(HDMM),a novel multi-electrode circumferential mapping catheter,guides the circumferential atrium isolation without help of 3D electro-anatomic *** compared the difference of the circumferential pulmonary vein anatomy mapping guided between by Carto system(one 3D electro-anatomic mapping system) and by HDMM. Methods From August 2010 to February 2012,forty-four consecutive patients with paroxysmal atrial fibrillation were scheduled for a first procedure of PVI.A circumferential PV ostial anatomy map was set up in Carto system around the HDMM(HDMM,Bard Electrophysiology) firstly,while the operator was blinded to the Carto ***-guided PVI was performed in every patient by irrigated radiofrequency application,which established another circumferential PV(CPV) ostial anatomy *** study compared the difference between the two images,including the point-to-point straight distance,the area,the perimeter and so on. Results All 176 PVs in 44 patients could be mapped by the HDMM and *** 43.2%of the PV ostial anatomies were matched very well between the two different map *** point-to-point straight distance between the HDMM-guided map and Carto-guided map is(6.20±1.44)*** distance in some PV segments between the two images is *** area of circumferential right PV(CRPV) in the two views is 8.41±2.88mm in Carto map,9.37±1.84 mm in HDMM map respectively(P=0.013). The area of circumferential left PV(CLPV) is(8.12±2.48)mm in Carto,(8.98±2.33) mm in HDMM respectively(P=0.071).The CRPV perimeter in Carto and HDMM is(11.63±1.95)mm vs (11.87±1.72)mm(P=0.471),the CLPV(11.29±1.59)mm vs(11.12±1.71)mm(P=0.573). Conclusion Compared to the Carto-guided CPV anatomy image,the HDMM-guided one still has some discrepancies,which maybe explain a part of reasons why the high-density mesh ablator(

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Antithrombotic Management of Atrial Fibrillation Patients Presenting with Coronary Artery Disease:A Consensus Document of the Chinese society of Cardiology

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Cardiology Discovery 2021年第1期1卷 15-28页

作者： Chinese society of Cardiology of Chinese Medical Association Editorial Board of Chinese Journal of Cardiology Zuyi Yuan shulin Wu Yaling Han Peng Qu shaowen liu Changsheng Ma Yumei Xue Xinjun Lei 不详 first Affiliated hospital of Xi’an jiaotong university Guangdong Provincial people’s hospital General hospital of North Theater Command The second hospital of Dalian Medical university shanghai General hospital Beijing Anzhen hospital Capital Medical University

The coexistence of coronary artery disease(CAD)and atrial fibrillation(AF)is common in clinical *** with CAD require antiplatelet therapy to reduce the occurrence of myocardial ischemic ***,patients with AF at high risk of thromboembolism require oral anticoagulants to reduce the occurrence of thromboembolic events such as *** cases where CAD coexists with AF,the combined use of antiplatelet and anticoagulation therapy can effectively reduce the risk of ischemic and thromboembolic events but increase the risk of bleeding at the same *** optimal antithrombotic regimen in patients with both CAD and AF has been controversial in clinical *** recent years,the expert consensuses on antithrombotic therapy in patients with AF presenting with acute coronary syndrome and/or undergoing percutaneous coronary intervention have been successively released in Europe and North America,and have been updated in a timely *** contrast,the guidelines on antithrombotic therapies in China are *** on published clinical evidence,this consensus incorporated relevant international and Chinese guidelines,consensuses,and expert recommendations,and addressed the issues encountered in the clinical practice of antithrombotic therapy in patients with AF and different types of *** current guideline is of great significance to guide treatment in patients with both CAD and AF in China.

关键词： Antithrombotic management Atrial fibrillation Coronary artery disease

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