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Titolo:
Absence of slowest oscillations in short term heart rate variability of post-myocardial infarction patients. GISSI-3 arrhythmias substudy
Autore:
Nollo, G; Del Greco, M; Disertori, M; Santoro, E; Maggioni, AP; Sanna, GP;
Indirizzi:
Univ Trento, Dept Phys, Trento, Italy Univ Trento Trento ItalyUniv Trento, Dept Phys, Trento, Italy Osped S Chiara, Div Cardiol, Trento, Italy Osped S Chiara Trento ItalyOsped S Chiara, Div Cardiol, Trento, Italy
Titolo Testata:
AUTONOMIC NEUROSCIENCE-BASIC & CLINICAL
fascicolo: 1-2, volume: 90, anno: 2001,
pagine: 127 - 131
SICI:
1566-0702(20010720)90:1-2<127:AOSOIS>2.0.ZU;2-X
Fonte:
ISI
Lingua:
ENG
Soggetto:
VENTRICULAR EJECTION FRACTION; POWER SPECTRAL-ANALYSIS; SUDDEN-DEATH; MORTALITY; FAILURE; PREDICTOR; INDEX;
Keywords:
acute myocardial infarction; heart rare variability; autonomic nervous system; spectral analysis;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
22
Recensione:
Indirizzi per estratti:
Indirizzo: Nollo, G ITC Irst, Via Sommarive 18, I-38050 Trent, Italy ITC Irst Via Sommarive 18 Trent Italy I-38050 38050 Trent, Italy
Citazione:
G. Nollo et al., "Absence of slowest oscillations in short term heart rate variability of post-myocardial infarction patients. GISSI-3 arrhythmias substudy", AUTON NEURO, 90(1-2), 2001, pp. 127-131

Abstract

Despite the widely demonstrated association of reduced heart rate variability (HRV) to bad prognosis after myocardial infarction (MI), reference values for HRV parameters are still not available. The GISSI-3 Arrhythmias Substudy studied short-term HRV in a relatively unselected population of patients (324) with recent MI (13 +/- 7 days) providing the statistical description of the main time and frequency domain parameters. All HRV indices, except for the RR interval, showed a non-normal distribution generally skewed around the lowest values. Particularly, no LF power was detected in 75 patients (23%) by power spectral analysis. The absence of LF oscillation in RR spectra was associated to the lower standard deviation of normal RR intervals(SD), aging (> 65 years) and blood pressure hypertension. This result seems to indicate a paradoxical effect of sympathetic overactivity in post-MI patients. (C) 2001 Published by Elsevier Science B.V.

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Documento generato il 20/01/20 alle ore 04:47:17