The aim of this study was to investigate whether brachial-ankle pulse wave velocity (baPWV) is associated with the severity of coronary artery disease (CAD) assessed by coronary computed tomography angiography (CCTA), and to evaluate baPWV as a predictor of obstructive CAD on CCTA. A total of 470 patients who underwent both baPWV and CCTA were included. We evaluated stenosis degree and plaque c...

Zhonghua Sun1*, and Thanapong Chaichana2 1Department of Medical Radiation Sciences, Curtin University, Perth, Western Australia, 6845, Australia 2Biomechanical Electronics Research Group, Department of Mathematics and Computer Science, Liverpool Hope University, Hope Park, Liverpool, England, United Kingdom *Author for correspondence: Tel.: +6189266 7509 Fax: +61892662377 [email protected] Th...

This article reviews 2 circuits, which are electronically controllable active-only floating positive and negative inductance simulators. Each floating inductance simulator comprises merely one operational amplifier (OA) and one current conveyer transconductace amplifier (CCTA). The simulated inductance values can be controlled electronically by adjusting bias current of the CCTA. The circuit pe...

INTRODUCTION The primary endpoint of this study was to determine the prevalence of coronary artery disease (CAD) and coronary artery calcium score (CACS) using coronary computed tomography angiography (CCTA) among patients with polyvascular atherosclerosis (PVA). Secondary endpoints were to evaluate the prevalence of cardiovascular risk factors and determine the predictors of PVA. METHODS The...

BACKGROUND AND OBJECTIVES Primary prevention of coronary artery disease (CAD) has become a public health issue, according to increasing awareness of the substantial risks posed by asymptomatic atherosclerosis. The aims of this study were to determine the prevalence and characteristics of subclinical CAD using coronary computed tomography angiography (CCTA), and to evaluate the role of this adva...

In patients with coronary artery stenoses of intermediate severity, the functional significance needs to be determined. Fractional flow reserve (FFR) measurement, performed during invasive coronary angiography (ICA), is most often used in clinical practice. To reduce the number of ICA procedures, we present a method for automatic identification of patients with functionally significant coronary...

IntRoductIon Coronary computed tomographic angiography (CCTA) as a noninvasive diagnostic technique for the evaluation of coronary anatomy is widely used clinically. Its advantages include high sensitivity and specificity for the diagnosis of present of coronary artery lesions and lesion characteristics, short scan time, low patient radiation exposure, and acceptable to patients. The sensitivit...

BACKGROUND The relationship between luminal stenosis measured by coronary CT angiography (CCTA) and severity of stress-induced ischemia seen on single photon emission computed tomographic myocardial perfusion imaging (SPECT-MPI) is not clearly defined. We sought to evaluate the relationship between stenosis severity assessed by CCTA and ischemia on SPECT-MPI. METHODS AND RESULTS ECG-gated CCT...

BACKGROUND The slow-flow or no re-flow phenomenon has been associated with distal embolization, especially of plaque debris, and with unfavorable clinical outcomes. Therefore, we examined the association between the coronary computed tomography angiography (CCTA) findings of the target lesion and distal embolization during percutaneous coronary intervention (PCI). METHODS AND RESULTS: Consecuti...

INTRODUCTION The objective of this study was to evaluate the incidence of death, cardiovascular events and the use of later non-scheduled imaging for coronary artery disease (CAD) in patients suspected for CAD and discharged without a need for further examination or treatment from an outpatient clinic following coronary computed tomography angiography (CCTA). MATERIAL AND METHODS This was a r...