Transcatheter Aortic Valve Replacement for Sutureless Bioprosthetic Valve Tilting Resulting in Severe Paravalvular Leak.

Severe paravalvular leak (PVL) may be complicated by heart failure and haemolysis. PVL management is challenging, especially when the gap is large. We describe a case of PVL due to tilting of a sutureless biological prosthesis successfully treated by transcatheter aortic valve replacement (TAV-in-SAV).

Hypertrophic Midventricular Obstructive Cardiomyopathy Revealed by a Stroke.

This case report describes the contributions of multimodality imaging to the diagnosis and management of midventricular hypertrophic cardiomyopathy revealed by a transient thromboembolic stroke. ().

Diagnosis of functionally significant coronary stenosis with exercise CT myocardial perfusion imaging.

Purpose: To assess the feasibility of exercise perfusion computed tomography (CT) in patients suspected of having hemodynamically significant coronary stenosis.

Materials And Methods: This study had institutional review board approval, and all patients gave informed consent. Thirty-two consecutive patients (26 men [mean age, 63 years] and six women [mean age, 71 years]) with 55 coronary stenoses of at least 50% underwent coronary CT angiography (one stenosis in 13 patients, two stenoses in 15 patients, and three stenoses in four patients).

Outcomes in cardiac surgery in 500 consecutive Jehovah's Witness patients: 21 year experience.

Background: Refusal of heterogenic blood products can be for religious reasons as in Jehovah's Witnesses or otherwise or as requested by an increasing number of patients. Furthermore blood reserves are under continuous demand with increasing costs. Therefore, transfusion avoidance strategies are desirable.

Non-invasive diagnosis of ischaemic heart failure using 64-slice computed tomography.

Aims: We evaluated the accuracy of 64-slice computed tomography (CT) to identify ischaemic aetiology of heart failure (IHF).

Methods And Results: Ninety-three consecutive patients in sinus rhythm with dilated cardiomyopathy but without suspicion of coronary artery disease (CAD) were enrolled when admitted for angiography. Accuracy of CT to detect significant stenosis (>50% lumen narrowing) was compared with quantitative coronary angiography.

Acute myocardial infarction early viability assessment by 64-slice computed tomography immediately after coronary angiography: comparison with low-dose dobutamine echocardiography.

Objectives: Early evaluation of myocardial viability in acute myocardial infarction is useful to guide therapy. Therefore, we assessed 64-slice computed tomography (CT) immediately after coronary angiography in this setting.

Background: Recent preliminary studies have shown the promising usefulness of late hyperenhancement multislice computed tomography (MSCT) for non-viability assessment.

Non-invasive detection of coronary artery disease in patients with left bundle branch block using 64-slice computed tomography.

Objectives: The goal of this study was to evaluate the diagnostic accuracy of 64-slice computed tomography (CT) to identify coronary artery disease (CAD) in patients with complete left bundle branch block (LBBB).

Background: Left bundle branch block increases risk of cardiac mortality, and prognosis is primarily determined by the underlying coronary disease. Non-invasive stress tests have limited performance, and conventional coronary angiography (CCA) is usually required.

Comparison of coronary minimal lumen area quantification by sixty-four-slice computed tomography versus intravascular ultrasound for intermediate stenosis.

The present study assessed 64-slice computed tomographic accuracy to quantify minimal lumen area (MLA) and determine lesion severity in intermediate stenosis by angiography compared with intravascular ultrasound (IVUS). Sixty-four-slice computed tomography (CT) has been shown to be effective in coronary stenotic assessment by visual estimation compared with angiography. However, angiography is not an accurate gold standard for intermediate stenotic quantification compared with IVUS.

Comparison of lumens of intermediate coronary stenosis using 16-slice computed tomography versus intravascular ultrasound.

We aimed to quantify ambiguous coronary stenosis using the minimal lumen area with 16-slice computed tomography compared with intravascular ultrasound. The sensitivity, specificity, and accuracy for significant lesion classification was 68%, 86%, and 78%, respectively. The correlation between intravascular ultrasound and CT minimal lumen area was r = 0.