Distribution of late gadolinium enhancement in end-stage hypertrophic cardiomyopathy and dilated cardiomyopathy: differential diagnosis and prediction of cardiac outcome.

Background: The prognostic implications of late gadolinium enhancement (LGE) have been evaluated in ischemic and non-ischemic cardiomyopathies. The present study analyzed LGE distribution in patients with end-stage hypertrophic cardiomyopathy (ES-HCM) and with dilated cardiomyopathy (DCM), and tried to identify high risk patients in DCM.

Methods: Eleven patients with ES-HCM and 72 with DCM underwent cine- and LGE-cardiac magnetic resonance and ultrasound cardiography.

Ultrasound analysis of the relationship between right internal jugular vein and common carotid artery in the left head-rotation and head-flexion position.

Common carotid artery (CCA) injury is a serious complication of internal jugular vein (IJV) cannulation. To minimize unintentional CCA puncture, the anatomic relationship between the IJV and the CCA and the size of IJV were compared under different head positions. Ultrasound analyses of the IJV and the CCA were performed in 103 consecutive patients.

Comparison of global and regional abnormalities in 99mTc-sestamibi and cardiac magnetic resonance imaging in dilated cardiomyopathy.

Objective: The clinical relevance of perfusion defects and increased washout rate (WOR) in (99m)Tc-sestamibi (Tc MIBI) imaging has not been well characterized in dilated cardiomyopathy (DCM). We analyzed abnormalities in Tc MIBI imaging in relation to those in cardiac magnetic resonance (CMR) imaging.

Methods And Results: Nineteen DCM patients underwent both Tc MIBI and CMR imaging.

Delayed enhancement on cardiac magnetic resonance and clinical, morphological, and electrocardiographical features in hypertrophic cardiomyopathy.

Background: The clinical, morphological, and electrocardiographical relevance of delayed enhancement (DE) in cardiac magnetic resonance (CMR) was studied in patients with hypertrophic cardiomyopathy (HCM).

Methods And Results: A total of 56 patients underwent both gadolinium-enhanced CMR and 12-lead electrocardiogram. The CMR demonstrated DE at the left ventricular (LV) wall in 39 patients.

The usefulness of delayed enhancement magnetic resonance imaging for diagnosis and evaluation of cardiac function in patients with cardiac sarcoidosis.

Objectives: Cardiac involvement is an important prognostic factor in patients with sarcoidosis. We evaluated the usefulness of delayed enhancement MRI (DE-MRI) for diagnosing cardiac sarcoidosis by comparing with nuclear imaging and studying the correlation between DE area and left ventricular (LV) function.

Methods: Twelve patients (male:female 3:9) diagnosed as having sarcoidosis underwent Gd-MRI, myocardial perfusion SPECT (Tl-201, Tc-99m sestamibi), Ga-67 scintigraphy, and/or F-18 FDG-PET.

Usefulness of delayed enhancement magnetic resonance imaging to differentiate dilated phase of hypertrophic cardiomyopathy and dilated cardiomyopathy.

Background: The dilated phase of hypertrophic cardiomyopathy (HCM) has a poor prognosis. For correct recognition of such patients, we compared the findings in cardiac delayed enhancement (DE)-magnetic resonance imaging (MRI) between HCM and dilated cardiomyopathy (DCM) patients.

Methods And Results: Sixty-five patients (HCM 39, DCM 26) underwent gadolinium-DTPA-enhanced MRI.

Usefulness of delayed enhancement magnetic resonance imaging for detecting cardiac rupture caused by small myocardial infarction in a case of cardiac tamponade.

Delayed enhancement magnetic resonance imaging (DE-MRI) has excellent spatial resolution and compared with other cardiac imaging techniques it can detect a small myocardial infarction (MI) or a subendocardial infarction. A 76-year-old man was admitted for loss of consciousness because of cardiac tamponade. The cause of tamponade was unknown, but electrocardiography and blood test suggested a recent MI.