Procena veličine infarkta miokarda analizom koronarnog protoka u bazalnim i u uslovima maksimalne hiperemije pomoću transtoraksne ehokardiografije
Estimation of myocardial infarction size by analysis of coronary artery flow in basal condition and during maximal hyperemia using transthoracic echocardiography
Author
Giga, Vojislav L.Mentor
Đorđević-Dikić, AnaCommittee members
Šobić-Šaranović, DraganaVujisić-Tešić, Bosiljka
Beleslin, Branko

Tomašević, Miloje

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Uvod: Analiza koronarnog protoka i parametara koji iz njega proističu u bazalnim i
u uslovima maksimalne hiperemije pruža značajne podatke o stanju mikrocirkulacije u
različitim patološkim stanjima. U našem radu je ispitivana povezanost između veličine
infarkta miokarda u hroničnoj fazi nakon uspešne mehaničke reperfuzije i vrednosti
koronarne rezerve protoka i dijastolnog deceleracionog vremena u bazalnim i u uslovima
maksimalne hiperemije.
Ciljevi: ove studije koja je uključila bolesnike sa prethodnim uspešno
reperfundovanim prednjim infarktom miokarda u njegovoj hroničnoj fazi, su da se:
1. Utvrdi izvodljivost (feasibility) merenja koronarnog protoka, i koronarne rezerve
protoka (CFR) neinvazivnom metodom transtoraksnom Doppler ehokardiografijom u
infarktnoj i referentnoj koronarnoj arteriji
2. Utvrdi vrednost koronarne rezerve protoka u infarktnoj arteriji
3. Uporede vrednosti koronarne rezerve protoka u infarktnoj i referentnoj arteriji
4. Utvrdi veličina infarkta miokarda procenj...ena novom metodom na osnovu vrednosti
koronarne rezerve protoka u infarktnoj i referentnoj arteriji i da se ovako izračunata
veličina infarkta uporedi sa veličinom infarkta procenjenom na osnovu drugih metoda
(enzimska, ehokardiografska, i scintigrafska)
5. Utvrdi dužina dijastolnog deceleracionog vremena (DDT) u infarktnoj i referentnoj
arteriji kao i njihova povezanost sa veličinom infarkta miokarda
6. Utvrdi značaj procene dijastolnog deceleracionog vremena u infarktnoj i referentnj
arteriji u hiperemiji
Materijal i metode: Naša studija je obuhvatila 50 uzastopnih bolesnika sa prvim
prednjim infarktom miokarda uspešno lečenih primarnom perkutanom koronarnom
intervencijom...
Introduction: The analysis of coronary flow and its derived parameters provide
useful information on state of microcirculation in different pathologocal settings. We
assessed the relation between infarct size in chronic phase after successful mechanical
reperfusion and coronary flow reserve and duration of diastolic deceleration time.
The aims: of present study which included patients with previously successfully
reperfused myocardial infarction in its chronic phase were:
1. To assess feasibility of coronary flow and coronary flow reserve (CFR)
measurements in infarct related and reference artery using transthoracic Doppler
echocardiography
2. To explore values of coronary flow reserve in infarct related coronary artery
3. To compare values of coronary flow reserve in infarct related and reference
coronary artery
4. To estimate infarct size using novel pathophysiologically relevant model of
infarct size estimation based on the measurement of coronary flow reserve in
infarct related and... reference coronary artery and assess its relation with other
measurements of infarct size (enzymatic, echocardiographic and SPECT-MPI) .
5. To assess duration of diastolic deceleration time (DDT) of coronary flow in
infarct related and in reference coronary artery in basal conditions and to assess
their relation with infact size
6. To assess the value of DDT determination during hyperemia
Methods: Our study included 50 consecutive patients with first anterior myocardial
infarction successfully treated with primary percutaneous coronary intervention...