Abstract:this novel technique, as well as to caution against the risk of developing pulmonary veno-occlusive syndrome, observed in one patient submitted to radiofrequency catheter ablation.Case 1 -The first patient was a 36 year-old male who had presented with occasional episodes of paroxistic AF for the past ten years, and daily recurrences for the past two years. He had failed to respond to quinidine associated to digoxine, amiodarone, sotalol and subsequently propafenone associated to atenolol. After clinical and ec… Show more
“…The results are summarized in Tables I–III and in Figures 8 and 9. For linear ablation, 9 reports covered 443 patients 3–11 . The respective numbers for other techniques: focal 10 reports/508 patients 12–21 ; ostial isolation 343/2,187 22–55 ; circumferential including WACA/LACA 20/2,449 31,50,53,55–71 and PVAI 82/11,132; substrate ablation (CFAE) 8/559 51,152–158 ; and for surgical ablation 47/4,974 164–210 …”
Catheter ablation of AF is now a mainstream procedure. Continuing technical advances are needed to achieve better results with more uniformity and reduced procedure times.
“…The results are summarized in Tables I–III and in Figures 8 and 9. For linear ablation, 9 reports covered 443 patients 3–11 . The respective numbers for other techniques: focal 10 reports/508 patients 12–21 ; ostial isolation 343/2,187 22–55 ; circumferential including WACA/LACA 20/2,449 31,50,53,55–71 and PVAI 82/11,132; substrate ablation (CFAE) 8/559 51,152–158 ; and for surgical ablation 47/4,974 164–210 …”
Catheter ablation of AF is now a mainstream procedure. Continuing technical advances are needed to achieve better results with more uniformity and reduced procedure times.
“…The electrophysiologic observation that atrial fibrillation is triggered by ectopic foci frequently originated in the pulmonary veins opened a new era in radiofrequency catheter ablation. However, just few patients presented frequent spontaneous ectopic beats enough to allow mapping of specific foci [2][3][4][5] . The attempts to apply the potential clinical benefits of AF triggers by catheter ablation presented major limitations.…”
Most patients who present symptomatic paroxysmal AF refractory to antiarrhythmic drugs obtain a good clinical control after a single PV isolation procedure.
“…However, its occurrence still varies incidence, ranginges from 0.4 to 0.7%. (1)(2)(3) Symptoms associated with pulmonary vein stenosis are nonspecific and include dyspnea, cough, fatigue, chest pain, and hemoptysis. To increase the detection rate, it is advisable to maintain a low threshold for evaluation using imaging techniques like CTPA.…”
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