We selected 231 petients with WPW syndrome that was concomitant withhistory of tachycardia and 200 patients with history of AVNRT.The inci-dence of atrial fibrillation in WPW group was 46.3 % That in AVNRTgroup was 2....We selected 231 petients with WPW syndrome that was concomitant withhistory of tachycardia and 200 patients with history of AVNRT.The inci-dence of atrial fibrillation in WPW group was 46.3 % That in AVNRTgroup was 2.5%.Comparison of two groups showed significantly different.Af(+)patients in WPW group were significantly shorter than Af(-)in sameGroup and atrial refractory stage in AVNRT group.Relative smaller wave-length of atrial impulse(FRPA/PA)also showed significantly decreased.The maximal value DI/D2 of prolonsed degrce of persistant time by righttrial wave in high siie was obtained by early stimulating in right atrial highsite.D2/D1 was sited above 1.5 in non-contimal strial active area that con-duced delay ares below 20 ms of persistant time prolonged of atrial waveand area of fast atrial fibrillation.The incidence of these indexes in Af(+)group and RAF(+)was significantlyInased.The results suggested that atrial fibrillation in WPW syndromehas an important relation with pathway existed end atrial characters.展开更多
文摘We selected 231 petients with WPW syndrome that was concomitant withhistory of tachycardia and 200 patients with history of AVNRT.The inci-dence of atrial fibrillation in WPW group was 46.3 % That in AVNRTgroup was 2.5%.Comparison of two groups showed significantly different.Af(+)patients in WPW group were significantly shorter than Af(-)in sameGroup and atrial refractory stage in AVNRT group.Relative smaller wave-length of atrial impulse(FRPA/PA)also showed significantly decreased.The maximal value DI/D2 of prolonsed degrce of persistant time by righttrial wave in high siie was obtained by early stimulating in right atrial highsite.D2/D1 was sited above 1.5 in non-contimal strial active area that con-duced delay ares below 20 ms of persistant time prolonged of atrial waveand area of fast atrial fibrillation.The incidence of these indexes in Af(+)group and RAF(+)was significantlyInased.The results suggested that atrial fibrillation in WPW syndromehas an important relation with pathway existed end atrial characters.
