Assessment of Diastolic Function in Hypertrophic Cardiomyopathy by Computed Tomography-Derived Analysis of Left Ventricular Filling.

Objectives: Hypertrophic cardiomyopathy (HCM) is characterized by diastolic dysfunction, which is difficult to assess by noninvasive methods. We hypothesized that measurement of simultaneous left ventricular (LV) and left atrial (LA) volume changes by cardiac computed tomography would be useful in the assessment of diastolic function in HCM.

Methods: We studied 21 patients with HCM and 21 age-matched controls.

ECG-gated MDCT after aortic and mitral valve surgery.

Objective: The purpose of this article is to review the utility of ECG-gated MDCT in evaluating postsurgical findings in aortic and mitral valves. Normal and pathologic findings after aortic and mitral valve corrective surgery are shown in correlation with the findings of the traditionally used imaging modalities echocardiography and fluoroscopy to assist in accurate noninvasive anatomic and dynamic evaluation of postsurgical valvular abnormalities.

Conclusion: Because of its superior spatial and adequate temporal resolution, ECG-gated MDCT has emerged as a robust diagnostic tool in the evaluation and treatment of patients with postsurgical valvular abnormalities.

ECG-gated cardiac MDCT for detection of systolic anterior motion of mitral valve.

Objectives: Evaluating ECG-gated cardiac MDCT detection of systolic anterior motion of the mitral valve, in comparison to trans-thoracic echocardiography as a gold standard.

Materials And Methods: Study group included 83 consecutive patients (57 men; average age 56.1 years) evaluated with both retrospective ECG-gated cardiac MDCT and trans-thoracic echocardiography within an interval of 30 days.

Multidetector computed tomography diagnosis and cine imaging of left main coronary arterial dissection.

Coronary artery dissection (CD) is a rare cause of acute myocardial ischemia. It is often diagnosed by invasive coronary angiography, which is the principal diagnostic tool and gold standard in the diagnosis and triage of patients with CD. More recently, electrocardiogram-gated multidetector computerized tomography has emerged as a complementary imaging tool primarily for follow-up purposes.