[Relationship between early myocardial reperfusion assessed by videodensitometry and late left ventricular function. Results following invasive treatment of acute myocardial infarction].

Introduction: It is known that there is a relationship between myocardial perfusion and left ventricular function.

Aim: The aim of the current study was to examine the relationship between myocardial reperfusion as assessed by videodensitometry on coronary angiograms following invasive treatment of ST elevation myocardial infarction and magnetic resonance imaging-derived late left ventricular function.

Method: The study included 25 patients with ST elevation myocardial infarction.

[Aortic valve stenosis is associated with reduced myocardial perfusion as assessed by videodensitometry in coronary angiograms].

Unlabelled: Aortic valve stenosis may be accompanied by angina despite coronary arteries free of significant stenosis due to microvascular abnormalities.

Aims: The aim of the current study was to test whether densitometry-derived myocardial perfusion on coronary angiogram is reduced in patients with aortic valve stenosis.

Methods: The study comprised 20 patients with aortic valve stenosis (mean transvalvular gradient: 47.

Five-year experience with transradial coronary angioplasty in ST-segment-elevation myocardial infarction.

Background And Purpose: Percutaneous coronary intervention (PCI) via radial approach has been shown to be an alternative to femoral approach in emergency cases; however, its feasibility has been questioned. This single-center study was performed to compare the outcomes and complication rates between transradial (TR) and transfemoral (TF) PCI in ST-segment-elevation myocardial infarction (STEMI).

Methods And Materials: The clinical and angiographic data of 582 consecutive STEMI patients treated with PCI between 2001 and 2006 were evaluated in a retrospective study.

Myocardium selective densitometric perfusion assessment after acute myocardial infarction.

Background: Myocardial perfusion is an important prognostic factor after recanalisation in acute myocardial infarction patients. We present a computerized, densitometric measurement method to assess myocardial perfusion on phase-matched digitally subtracted coronary angiograms.

Methods And Materials: Quantitative myocardial perfusion was assessed by the G(max)/T(max) parameter of the time-density curves (TDCs) in infarct-related myocardial regions on X-ray coronary angiograms.

Vessel masking improves densitometric myocardial perfusion assessment.

Introduction: The objective of treatment in acute myocardial infarction (AMI) is reperfusion of the myocardium at risk. Our goal was to evaluate the effect of vessel masking on videodensitometric assessment of myocardial reperfusion.

Methods: Epicardial vessels were masked out from the densitometric region of interest, where average rise slope (G(max)/T(max)) of time-density curves (TDC) were measured.

Hypercholesterolemia attenuates the anti-ischemic effect of preconditioning during coronary angioplasty.

Background: Cardioprotection by preconditioning is limited in some animal models of hypercholesterolemia. We studied ischemic preconditioning induced by coronary angioplasty in hypercholesterolemic and normocholesterolemic patients by means of a beat-to-beat analysis of ST segments.

Methods: Thirty coronary disease patients were classified into normocholesterolemic and hypercholesterolemic groups.