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Titolo:
Long-term lifestyle changes maintain the autonomic modulation induced by rehabilitation after myocardial infarction
Autore:
Malfatto, G; Facchini, M; Sala, L; Bragato, R; Branzi, G; Leonetti, G;
Indirizzi:
Osped San Luca, Ist Auxol Italian, IRCCS, Ist Sci,Div Riabilitazione, I-20147 Milan, Italy Osped San Luca Milan Italy I-20147 Riabilitazione, I-20147 Milan, Italy Univ Milan, Milan, Italy Univ Milan Milan ItalyUniv Milan, Milan, Italy
Titolo Testata:
INTERNATIONAL JOURNAL OF CARDIOLOGY
fascicolo: 2-3, volume: 74, anno: 2000,
pagine: 171 - 176
SICI:
0167-5273(20000731)74:2-3<171:LLCMTA>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEART-RATE-VARIABILITY; CARDIAC REHABILITATION; FREQUENCY-DOMAIN; SUDDEN-DEATH; EXERCISE; PROGNOSIS; TRIALS;
Keywords:
myocardial infarction; cardiac rehabilitation; autonomic nervous system; heart rate variability;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
20
Recensione:
Indirizzi per estratti:
Indirizzo: Malfatto, G Osped San Luca, Ist Auxol Italian, IRCCS, Ist Sci,Div Riabilitazione, Via Spagnoletto 3, I-20147 Milan, Italy Osped San Luca Via Spagnoletto 3 Milan Italy I-20147 n, Italy
Citazione:
G. Malfatto et al., "Long-term lifestyle changes maintain the autonomic modulation induced by rehabilitation after myocardial infarction", INT J CARD, 74(2-3), 2000, pp. 171-176

Abstract

The altered autonomic balance observed after myocardial infarction is shifted toward a higher parasympathetic tone by rehabilitation. This effect persists after 1 year, however we observed a discrete variability in the long-term sympathovagal balance among patients. We postulated that such variability derives from the disparate adherence of patients to lifestyle prescriptions regarding exercise continuance and smoking avoidance. To test this hypothesis, we reviewed the data of 40 patients, who completed with a favourable autonomic modulation the initial rehabilitation phase after myocardial infarction and underwent the annual follow-up. One year after infarction, 23patients complied to the advice about regular exercise and smoking avoidance (adherent, Group 1); 17 did not (non-adherent, Group 2). Groups were similar for age, site of infarction, left ventricular function, stress test duration and therapy. The ratio LF/HF, derived from the power spectral density of RR intervals variability, was used as an index of the sympathovagal balance. It was obtained from 15 min of ECG at rest, assessed 1 month after MI (baseline), and repeated 3 months (rehabilitation) and 1 year (follow-up)afterwards. Rehabilitation increased parasympathetic tone in all patients,reducing LF/HF by 33%. At follow-up, this potentially favourable autonomicprofile persisted only in Group 1 patients. In conclusion, after a first myocardial infarction, the persistence of the potentially beneficial effect of rehabilitation on the sympathovagal balance depends on the compliance tothe lifestyle changes proposed during the initial phase. (C) 2000 ElsevierScience Ireland Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 06/04/20 alle ore 06:41:46