Relationship between ejection fraction and baroreflex sensitivity in patients after myocardial infarction

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14110%2F01%3A00004908" target="_blank" >RIV/00216224:14110/01:00004908 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/65269705:_____/00:00005977

Výsledek na webu

—

DOI - Digital Object Identifier

—

Jazyk výsledku

angličtina

Název v původním jazyce

Relationship between ejection fraction and baroreflex sensitivity in patients after myocardial infarction

Popis výsledku v původním jazyce

The relationship between ejection fraction (EF) and baroreflex sensitivity (BRS in ms/mmHg and BRSf in Hz/mmHg) in 117 patients 7-14 dayes after myocardial infarction was studied. BRS and BRSf were determined by spectral analysis of pulse intervals and blood pressure fluctuation (Finapres, 3 min recording, breathing 0.33 Hz). At EF between 40-70% (n=92), BRS and BRSf remained constant (meanąSD: 5.5ą3.3 ms/mmHg, 0.0077ą0.00511 Hz/mmHg). At EF 30-40% (n=17), lower values of BRS and BRSf were observed (BRS: 58.1ą48.5%, BRSf: 67.5ą54.7% of the values at high EF). The difference between BRS and BRSf was significant (p<0.05). At EF 20-30% (n=8), BRS was 33.9ą23.6% and BRSf was 34.9ą21.3% of the values at high EF. The values of the PI-dependent BRS correspondto the baroreceptor sensitivity and to the activity of the autonomic nervs, which is altered at EF 30-40%. The PI-independent BRSf corresponds only to the baroreceptor sensitivity, which is decreased at very low EF.

Název v anglickém jazyce

Relationship between ejection fraction and baroreflex sensitivity in patients after myocardial infarction

Popis výsledku anglicky

The relationship between ejection fraction (EF) and baroreflex sensitivity (BRS in ms/mmHg and BRSf in Hz/mmHg) in 117 patients 7-14 dayes after myocardial infarction was studied. BRS and BRSf were determined by spectral analysis of pulse intervals and blood pressure fluctuation (Finapres, 3 min recording, breathing 0.33 Hz). At EF between 40-70% (n=92), BRS and BRSf remained constant (meanąSD: 5.5ą3.3 ms/mmHg, 0.0077ą0.00511 Hz/mmHg). At EF 30-40% (n=17), lower values of BRS and BRSf were observed (BRS: 58.1ą48.5%, BRSf: 67.5ą54.7% of the values at high EF). The difference between BRS and BRSf was significant (p<0.05). At EF 20-30% (n=8), BRS was 33.9ą23.6% and BRSf was 34.9ą21.3% of the values at high EF. The values of the PI-dependent BRS correspondto the baroreceptor sensitivity and to the activity of the autonomic nervs, which is altered at EF 30-40%. The PI-independent BRSf corresponds only to the baroreceptor sensitivity, which is decreased at very low EF.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

ED - Fyziologie

OECD FORD obor

—

Projekt

<a href="/cs/project/NA4731" target="_blank" >NA4731: Srovnání nelineárních a standardních metod určení variability srdeční frekvence.</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2001

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Scripta medica

ISSN

0211-3395

e-ISSN

—

Svazek periodika

74

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

5

Strana od-do

55

Kód UT WoS článku

—

EID výsledku v databázi Scopus

—