PROLONGED ATRIAL CONDUCTION - MAJOR PREDISPOSING FACTOR FOR DEVELOPMENT OF ATRIAL-FLUTTER
PROLONGED ATRIAL CONDUCTION - MAJOR PREDISPOSING FACTOR FOR DEVELOPMENT OF ATRIAL-FLUTTER
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DOI:
10.1161/01.cir.57.2.213
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发表时间:
1978-01-01
期刊:
影响因子:
37.8
通讯作者:
SCHAAL, SF
中科院分区:
文献类型:
--
作者:
LEIER, CV;MEACHAM, JA;SCHAAL, SF
Electrophysiological studies were performed during sinus rhythm on 21 patients who demonstrated the spontaneous occurrence of sustained atrial flutter, to determine if atrial conduction disease is a predisposing factor for the development of atrial flutter. Patients with atrial enlargement were excluded from the series. The control group consisted of 11 age-matched patients with normal ECG and electrophysiology studies. The flutter group showed prolongation of the mean right intra-atrial conduction time at 50 ms (control of 37 ms, P < 0.05), the mean interatrial conduction time at 92 ms (control of 44 ms, P < 0.001) and the mean P wave duration at 132 ms (control of 112 ms, P < 0.01). The flutter group demonstrated a higher incidence of sinus node dysfunction and ventricular conduction disease compared to the control group. Patients who develop atrial flutter may have atrial conduction disease. Atrial conduction disease appears to be a major predisposing factor for the development of atrial flutter and a part of the fibro-degenerative conduction disease spectrum.