Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2
Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2
Ablation ProceduresCircumferential Ablationwith PV Isolation Guidedby Lasso CatheterFeifan OuyangKazuhiro SalamiKarl-Heinz KuckRecent studies have dem Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2monstrated that myocardium around the pulmonary vein (PV) oslia plays an important role in the initiation and perpetuation of atrial fibril lation (AF) (1). This important finding has led to the development of segmental PV ostial isolation (2,3), circumferential ablation (4), or isolation around the Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2 PVs guided by 3-D electroanatomic mapping (5). Also, substrate modification with the use of limited linear ablation (such as roof line and left isthmEbook Practical approach to catheter ablation of atrial fibrillation: Part 2
us line) (6,7) or ablations of the areas associated with complex fractionated electrograms (8,9) have been demonstrated to improve the clinical outcomAblation ProceduresCircumferential Ablationwith PV Isolation Guidedby Lasso CatheterFeifan OuyangKazuhiro SalamiKarl-Heinz KuckRecent studies have dem Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2pv isolation or circumferential complete PV isolation guided by 3-D mapping. In these procedures the Lasso catheter recording within the PV plays an important role in identifying electrophysiological connections between the PV and the left atrium (LA). Also, electroanatomic mapping provides more pre Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2cise infor mation on the anatomy of atrial chambers and contributes to shorter fluoroscopic time.in this chapter we describe our circumferential ablatEbook Practical approach to catheter ablation of atrial fibrillation: Part 2
ion technique for PV isolation guided by the Lasso catheter and clectroanatomic mapping in patients with paroxysmal or persistent AF.Dr. Kazuhiro SatoAblation ProceduresCircumferential Ablationwith PV Isolation Guidedby Lasso CatheterFeifan OuyangKazuhiro SalamiKarl-Heinz KuckRecent studies have dem Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2 St. Jude Medical and Fukuda Dcnshi. We thank Dr. Florian T. Deger for his assistance.137138 Part IV Ablation Procedures■ Complete PV Isolation Using 3-D Mappingand Lasso TechniqueThe ablation procedure is routinely performed under sedation with a continuous infusion of propofol in our center. Trans Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2esophageal echocardiography (TEE) is performed in all patients to rule out IA thrombi. Anticoagulation treatment with war farm is stopped on admissionEbook Practical approach to catheter ablation of atrial fibrillation: Part 2
and replaced by intravenous heparin to maintain partial thromboplastin time at two to three times higher than the control value in all patients. All Ablation ProceduresCircumferential Ablationwith PV Isolation Guidedby Lasso CatheterFeifan OuyangKazuhiro SalamiKarl-Heinz KuckRecent studies have dem Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2ced to the I.A by a modified Brockcnbrough technique in the majority of patients: two sheaths over one puncture site and the third sheath via a second puncture site. One puncture is always performed at the inferoposterior site of the foramen ovale for easy access to the right inferior vein and the a Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2trial myocardium (big. 9.1). After ưansseptal catheterization, intravenous heparin is administered to maintain an activated clotting time of 250 to 30Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2
0 seconds. Additionally, continuous infusions of heparinized saline arc con ncctcd to the transseptal sheaths (How rate of 10 mĩ./h) to avoid thrombusAblation ProceduresCircumferential Ablationwith PV Isolation Guidedby Lasso CatheterFeifan OuyangKazuhiro SalamiKarl-Heinz KuckRecent studies have dem Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2ense-Webster, Inc., Diamond Bar, CA) during coronary sinus (CS) pacing, sinus rhythm (SR) or AF by using the CARTO systemPuncture sitecsHisHiscsRA posterior wallRAO 30LAO 40Figure 9.1. The right and left images show, respectively, fluoroscopic right and left anterior oblique views (LAOand RAO) durin Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2g transseptal puncture. One puncture is always performed at the inferoposterior site of the foramen ovale for easy access to the right inferior vein aEbook Practical approach to catheter ablation of atrial fibrillation: Part 2
nd the atrial myocardium, cs, coronary sinus; His. His bundle; RA, right atrium.Chapter 9 ■ Circumferential Ablation with PV Isolation Guided by LassoAblation ProceduresCircumferential Ablationwith PV Isolation Guidedby Lasso CatheterFeifan OuyangKazuhiro SalamiKarl-Heinz KuckRecent studies have dem Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2, respectively, elecưoanatomic maps of the LA in the right lateral and left lateral view before and after correction of map in same patient. The pv ostia (identified by angiography) are tagged by white dots. Note that (a) in the MR imaging view the ostium of the right superior pulmonary vein (RSPV) Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2arc more anterior than the ostium of I he right inferior pulmonary vein (RÍPVỴy (b) in the original map (middle images) the IA posterior wall is not HEbook Practical approach to catheter ablation of atrial fibrillation: Part 2
at due to many mapped points within the right- and k'lt-sided I’Vs, whereas in the corrected map in the right images the I.A posterior wall is very HaAblation ProceduresCircumferential Ablationwith PV Isolation Guidedby Lasso CatheterFeifan OuyangKazuhiro SalamiKarl-Heinz KuckRecent studies have dem Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2 the I.A anterior wall in the original map in the middle image, whereas the anterior wall is smooth after the deletion of these points in the corrected map in the right image. RSPV, right superior pulmonary vein; RIPV, right inferior pulmonary vein; LSPV, left superior pul monary vein; LIPV, left in Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2ferior pulmonary vein. Sec color insert 2.(Bioscnsc-Webster, Inc.) or the NavX system (St. Jude Medical, Inc.). Mapping is only performed in the I A;Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2
all mapping points deep within the PV must be deleted to ensure that the posterior wall is flat in the right lateral and left lateral views (Fig. 9.2)Ablation ProceduresCircumferential Ablationwith PV Isolation Guidedby Lasso CatheterFeifan OuyangKazuhiro SalamiKarl-Heinz KuckRecent studies have dem Ebook Practical approach to catheter ablation of atrial fibrillation: Part 2hy (Fig. 9.3) and carefully tagged on the electroanatomic map. We arbitrarily definedAblation ProceduresCircumferential Ablationwith PV Isolation Guidedby Lasso CatheterFeifan OuyangKazuhiro SalamiKarl-Heinz KuckRecent studies have demGọi ngay
Chat zalo
Facebook