Introduction The free and pedicled flap reconstruction for defects of the head neck demands a postoperative monitoring routine. This task is usually performed by visual examination flap, doppler sonography pinpricking. In case impaired perfusion surgical revision only way to prevent necrosis. Hyperspectral imaging non-invasive optical method that can be used tissue classification visualize oxyg...

INTRODUCTION AND OBJECTIVES To analyze the profile of left atrial wall velocities by pulsed wave tissue Doppler imaging, and to compare the relationship between these observations and the transmitral and pulmonary vein flow velocities obtained by conventional pulsed Doppler echocardiography. PATIENTS AND METHOD We studied 90 patients (50 women and 40 men, mean age 48 [22] years). Pulsed tissu...

Background: Echocardiographic findings of Tetralogy of Fallot (TOF) are diagnostic in infants and young children, and echocardiography may be the only examination required prior to surgery. Global left ventricular function determined by conventional Doppler may be normal in these patients; but regional myocardial function assessment by tissue Doppler if abnormal in these patients may affect out...

BACKGROUND In pediatric echocardiography, pulse wave Doppler, and tissue Doppler imaging velocities are widely used to assess cardiac function. Current reference values and Z scores, allowing adjustment for growth are limited by inconsistent methodologies and small sample size. Using a standardized approach for parametric modeling and Z score quality assessment, we propose new pediatric referen...

background: sickle-cell disease (scd) is an inherited hemoglobin childhood disorder, frequently complicated by pulmonary hypertension and cardiac involvement. cardiovascular events and complications are the leading cause of mortality and morbidity in patients with scd. tissue doppler imaging and the myocardial performance index (tei index), are simple indices for the assessment of the cardiac f...