Anatomical observations of the pulmonary veins with intracardiac echocardiography and hemodynamic consequences of narrowing of pulmonary vein ostial diameters after radiofrequency catheter ablation of atrial fibrillation.
Intracardiac echocardiography was used to explore pulmonary venous (PV) anatomy and to monitor PV stenosis in 31 patients referred for radiofrequency catheter ablation at PV ostia. Interindividual variations in PV anatomy and insertion in the left atrium were observed. Narrowing of PV ostia after radiofrequency catheter ablation did not produce significant hemodynamic changes.
Jongbloed
Monique R M
MR
Department of Cardiology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands.
Bax
Jeroen J
JJ
Zeppenfeld
Katja
K
van der Wall
Ernst E
EE
Schalij
Martin J
MJ
D000328:Adult; D000368:Aged; D001281:Atrial Fibrillation / Q000601:surgery*; D017115:Catheter Ablation; D004452:Echocardiography; D005260:Female; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D011666:Pulmonary Valve Stenosis / Q000000981:diagnostic imaging / Q000473:pathology / Q000503:physiopathology*; D011667:Pulmonary Veins / Q000000981:diagnostic imaging / Q000473:pathology / Q000503:physiopathology; D018084:Ultrasonography, Interventional