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Titolo:
DETECTION OF PATIENTS AT RISK FOR RECURRENCE OF ATRIAL-FIBRILLATION AFTER SUCCESSFUL ELECTRICAL CARDIOVERSION BY SIGNAL-AVERAGED P-WAVE ECG
Autore:
OPOLSKI G; SCISLO P; STANISLAWSKA J; GORECKI A; STECKIEWICZ R; TORBICKI A;
Indirizzi:
MED ACAD WARSAW,DEPT CARDIOL WARSAW POLAND MED ACAD WARSAW,DEPT HYPERTENS & ANGIOL WARSAW POLAND
Titolo Testata:
International journal of cardiology
fascicolo: 2, volume: 60, anno: 1997,
pagine: 181 - 185
SICI:
0167-5273(1997)60:2<181:DOPARF>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
SINUS RHYTHM; MAINTENANCE; ELECTROCARDIOGRAM; EFFICACY; FLUTTER; SAFETY;
Keywords:
SIGNAL-AVERAGED P-WAVE ECG; CHRONIC ATRIAL FIBRILLATION; ELECTRICAL CARDIOVERSION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
13
Recensione:
Indirizzi per estratti:
Citazione:
G. Opolski et al., "DETECTION OF PATIENTS AT RISK FOR RECURRENCE OF ATRIAL-FIBRILLATION AFTER SUCCESSFUL ELECTRICAL CARDIOVERSION BY SIGNAL-AVERAGED P-WAVE ECG", International journal of cardiology, 60(2), 1997, pp. 181-185

Abstract

The aim of the study was to assess the value of signal-averaged ECG of P-wave in predicting recurrence of atrial fibrillation after direct-current electrical cardioversion of chronic atrial fibrillation. The signal-averaged ECG triggered by P-wave was recorded in 35 patients after successful electroconversion. Duration of the high frequency P-waveand the root mean square voltages for the last 20 ms (RMS20) P-wave of the vector magnitude were calculated. After 6 months follow-up recurrence of atrial fibrillation was observed in 11 patients (group I) andin 24 patients sinus rhythm was maintained (group II). A filtered P-wave was significantly longer in group I with recurrence of atrial fibrillation, than in patients from group II who maintained sinus rhythm (145 +/- 11.8 vs 130 +/- 10.8 ms, p < 0.001). RMS20 was significantly lower in group I than in patients from group LI (1.6 +/- 0.6 vs 2.2 +/-0.9 mu V, p < 0.02). A filtered P-wave of duration > 137 ms associated with a RMS 20 ms < 1.9 mu V had a sensitivity of 73% and specificityof 71% for the detection of patients with recurrence of atrial fibrillation after successful direct-current electrical cardioversion of chronic atrial fibrillation. These results suggest that signal-averaged ECG of P-wave may be helpful for identification of patients with recurrence of atrial fibrillation after successful direct-current electricalcardioversion. (C) 1997 Elsevier Science Ireland Ltd.

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Documento generato il 02/04/20 alle ore 02:52:54