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Titolo:
DIFFERENT TRENDS OF CHANGES IN HEART-RATE-VARIABILITY IN PATIENTS WITH ANTERIOR AND INFERIOR ACUTE MYOCARDIAL-INFARCTION
Autore:
PITZALIS MV; MASTROPASQUA F; MASSARI F; PASSANTINO A; LUZZI G; LIGURGO L; COLOMBO R; BIASCO MG; RIZZON P;
Indirizzi:
UNIV BARI,INST CARDIOL,PIAZZA GIULIO CESARE 11 I-70124 BARI ITALY MED CTR,IRCCS,SALVATORE MAUGERI FDN,DEPT CARDIOL CASSANO MURGE ITALY MED CTR,IRCCS,SALVATORE MAUGERI FDN,BIOENGN SERV VERONA ITALY
Titolo Testata:
PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY
fascicolo: 6, volume: 21, anno: 1998,
pagine: 1230 - 1238
SICI:
0147-8389(1998)21:6<1230:DTOCIH>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
CARDIAC PARASYMPATHETIC ACTIVITY; BAROREFLEX SENSITIVITY; RISK STRATIFICATION; PERIOD VARIABILITY; SINUS ARRHYTHMIA; MORTALITY; RESPONSES; ASSOCIATION; POWER; TERM;
Keywords:
ACUTE MYOCARDIAL INFARCTION; HEART RATE VARIABILITY; SDNN; RMSSD; INFARCT LOCATION; VAGAL MODULATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
31
Recensione:
Indirizzi per estratti:
Citazione:
M.V. Pitzalis et al., "DIFFERENT TRENDS OF CHANGES IN HEART-RATE-VARIABILITY IN PATIENTS WITH ANTERIOR AND INFERIOR ACUTE MYOCARDIAL-INFARCTION", PACE, 21(6), 1998, pp. 1230-1238

Abstract

Modifications in heart rate variability (HRV) parameters occur after acute myocardial infarction. The aim of this study was to evaluate thetrend of HRV change during the acute phase and the first month after myocardial infarction, and establish whether they were affected by theanterior or inferior location of the infarction. The time-domain HRV measures of 59 patients with a first uncomplicated acute myocardial infarction were computed from 24-hour ECG recordings made on days 1, 2, 10, and 28 after hospital admission. At day 1, the mean RR cycle length (NN), the standard deviation of the NN intervals (SDNN), and the root mean square successive difference of NN intervals (RMSSD) were lowerin the patients with anterior myocardial infarction. Although the parameters were similar in all of the patients at day 28, their behavior over time was different (P = 0.01): the SDNN in the patients with inferior myocardial infarction had decreased to the Values found in anterior myocardial infarction patients by day 2 but, at day 10, both NN andSDNN tended to recover in both groups; RMSSD had diminished in both groups by day 2, but at day 10, had increased in the patients with anterior, but not in those with inferior myocardial infarction. These findings suggest that (1) in the very early phase of myocardial infarction, HRV is different in the two locations, (2) during the first hours ofmyocardial infarction patients with inferior location showed a greater vagal activity than patients with anterior location that became lower at day 10, and (3) the recovery of HRV is an early phenomenon in both groups, being already evident by the second week after myocardial infarction.

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Documento generato il 10/07/20 alle ore 18:57:52