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At least 811 records · Page 45Linked to original sources
PubMed1983

[2-dimensional echocardiography in acquired heart valve defects].

A fundamental improvement in the diagnosis of acquired valvular defects has been achieved by the introduction of two-dimensional echocardiography. For the first time, it has now become possible to visualize the underlying morphological changes direct and true to anatomy. Additional information is supplied by a detailed study of the dynamics of the affected valve. At present, limited information only can be obtained in respect of the haemodynamic severity of the defect. In the near future, however, we may expect advances also in quantitative respect, from a combination of this method with Doppler echocardiography or contrast echocardiography.

Aortic Valve Insufficiency↗
PubMed1999

A new diagnostic procedure for assessing intracardiac flow disturbances in patients with heart valve disease.

BACKGROUND: Until now no diagnostic technique was available for the three-dimensional (3D) study of intracardiac blood flow abnormalities in patients with heart valve disease. 3D color Doppler is a new diagnostic technique first developed at our institution. METHODS: The 3D reconstructions of the blood flow velocity data have been obtained from conventional multiplanar transesophageal or transthoracic Doppler echocardiographic examinations. We analyzed 111 reconstructions of color Doppler data obtained from 85 patients with different heart valve diseases who underwent intraoperative transesophageal echocardiography. Sixty-nine patients had a significant mitral regurgitation, 7 mitral stenosis, 9 aortic regurgitation, 12 aortic stenosis, 14 tricuspid regurgitation. Three patients had pulmonary regurgitation associated with mitral valve disease. RESULTS: 3D color Doppler disclosed the complex spatial spreading of the blood flow abnormalities caused by heart valve disease. New patterns of intracardiac blood flow disturbances could be observed and classified. CONCLUSIONS: This paper shows the first clinical applications of 3D color Doppler in patients with heart valve disease. The new insights derived from the 3D study of intracardiac blood flow dynamics revealed a great impact of this technique on the clinical management of patients with heart valve disease.

Coronary Circulation↗
PubMed2006

ECGs in the ED.

Explore the source record for details and available documents.

Cyanosis↗
PubMedDate not supplied

Successful bleomycin pleurodesis in a patient with prolonged pleural effusion after extracardiac fontan procedure.

Pleural effusions after modified Fontan operations are unpredictable and contribute significantly to the morbidity and prolonged hospitalization. Chemical pleurodesis is widely performed in adults for malignant pleural effusions, but has found less chance of usage for benign cases or the cases with unidentified etiology. Although it is a safe and easily performed procedure, the use of bleomycin for the treatment of pleural effusions in the pediatric age population has been rarely reported in the literature. In this manuscript, we present a case with prolonged pleural effusion after extracardiac Fontan operation, which was successfully treated with bleomycin pleurodesis.

Bleomycin↗
PubMed1979

Noninvasive diagnosis of prosthetic mitral valve malfunction.

A patient with a Kay-Shiley mitral prosthesis had abnormal intermittent systolic tilting of the prosthetic disc by cinefluoroscopy. Echocardiography revealed an abnormal "atrial emptying index" consistent with mitral obstruction. Catheterization revealed mitral regurgitation without stenosis. At surgery, there was no prosthetic orifice obstruction. It was concluded that the atrial emptying index may be abnormally low in prosthetic mitral regurgitation without stenosis.

Cardiac Catheterization↗
PubMed1996

Cine gradient-echo MR imaging and MR velocity mapping in the evaluation of congenital heart disease.

Cine gradient-echo (GRE) magnetic resonance (MR) imaging and MR velocity mapping can be applied to assess cardiovascular function and to measure volumetric flow in patients with repaired and untreated congenital heart disease. GRE images, particularly when displayed in a cine loop, are very useful for visualizing surgical anastomoses and conduits and for detecting stenosis, regurgitation, and left-to-right shunts. Multisection cine GRE imaging is a suitable method for measuring global right ventricular function, an important issue in congenital heart disease. MR velocity mapping is used for quantitative assessment of hemodynamics. Pressure gradients can be estimated from peak blood flow velocities in stenotic pulmonary arteries or surgical conduits. Because flow volume can be measured with MR velocity mapping, main-, left-, and right pulmonary artery flow, valvular regurgitation, left-to-right shunts, and ventricular filling can all be quantified. The abilities to elucidate complex cardiac anatomy and to measure cardiac function and flow in one examination make MR imaging a useful comprehensive tool for follow-up of congenital heart disease.

Adult↗