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Titolo:
Prevalence and natural course of ectopic atrial tachycardia
Autore:
Poutiainen, AM; Koistinen, MJ; Airaksinen, KEJ; Hartikainen, EK; Kettunen, RVJ; Karjalainen, JE; Huikuri, HV;
Indirizzi:
Univ Oulu, Dept Med, Div Cardiol, Oulu, Finland Univ Oulu Oulu FinlandUniv Oulu, Dept Med, Div Cardiol, Oulu, Finland Univ Kuopio, Dept Med, Div Cardiol, SF-70210 Kuopio, Finland Univ Kuopio Kuopio Finland SF-70210 iv Cardiol, SF-70210 Kuopio, Finland Cent Mil Hosp, Helsinki, Finland Cent Mil Hosp Helsinki FinlandCent Mil Hosp, Helsinki, Finland
Titolo Testata:
EUROPEAN HEART JOURNAL
fascicolo: 9, volume: 20, anno: 1999,
pagine: 694 - 700
SICI:
0195-668X(199905)20:9<694:PANCOE>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
AUTOMATIC TACHYCARDIA; SURGICAL-TREATMENT; FOLLOW-UP; CHILDREN; CARDIOMYOPATHY; MANAGEMENT; CHILDHOOD; INFANCY;
Keywords:
ectopic atrial tachycardia; prevalence; natural course;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
19
Recensione:
Indirizzi per estratti:
Indirizzo: Poutiainen, AM Oulu Univ Hosp, Dept Med, Div Cardiol, Kajaanintie 50, Oulu90220, Finland Oulu Univ Hosp Kajaanintie 50 Oulu Finland 90220 , Finland
Citazione:
A.M. Poutiainen et al., "Prevalence and natural course of ectopic atrial tachycardia", EUR HEART J, 20(9), 1999, pp. 694-700

Abstract

Aims The purpose of this study was to calculate the prevalence of ectopic atrial tachycardia in a population of young asymptomatic males and to assess its natural course both in asymptomatic subjects and in symptomatic hospital patients. Methods and Results 12-lead electrocardiograms (ECG) of 3554 consecutive males applying for a pilot's licence were analysed. ECGs of symptomatic arrhythmia patients at two university hospitals were also analysed. A repeal ECG was taken in cases of ectopic atrial tachycardia to assess the natural course of this arrhythmia. Twelve out of 3554 asymptomatic subjects (prevalence 0.34%) and 17 out of 3700 symptomatic arrhythmia patients (prevalence 0.46%) had ECG evidence of ectopic atrial tachycardia. A repeat ECG was obtained after a mean follow-up of 8 +/- 3 years in asymptomatic subjects and 7 /- 3 years in symptomatic patients. After the follow-up, seven (26%) out of 27 patients were still in a similar ectopic atrial rhythm, 10 (37%) showed a change in P wave morphology and 10 (37%) were in sinus rhythm. Heart rate was significantly slower (mean rate 81 +/- 19 vs 109 +/- 17 beats.min(-1)) in the repeat ECGs. Conclusion Asymptomatic ectopic atrial tachycardia is not an uncommon finding in a population of young males. The majority of patients show slowing of heart rate in the course of time, either with restoration of sinus rhythmor with a change in P wave morphology, suggesting that the ectopic foci undergo gradual degeneration with time.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/11/20 alle ore 03:20:15