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an analytical solution of the equation describing diffusion of intrinsic point defects in semiconductor crystals has been obtained for a one-dimensional finite-length domain with the robin-type boundary conditions. the distributions of point defects for different migration lengths of defects have been calculated. the exact analytical solution was used to verify the approximate numerical solutio...

background: we sought to assess right ventricular (rv) systolic and diastolic functions via tissue doppler imaging (tdi) in order to discriminate right-to-left (bidirectional) from left-to-right intracardiac shunts. methods: a tissue doppler velocity study via doppler echocardiography was performed in 20 patients with left-to-right shunt (without evidence of significant pulmonary hypertension) ...

left ventricular non-compaction cardiomyopathy is a rare congenital cardiomyopathy that affects both children and adults. since the clinical manifestations are not sufficient to establish diagnosis, echocardiography is the diagnostic tool that makes it possible to document ventricular non-compaction and establish prognostic factors. we report a 47-year-old woman with a history of dilated cardio...

background: chylothorax is a rare but serious postoperative condition with a high rate of morbidity and may lead to the mortality of children undergoing congenital heart disease (chd) surgery. this study evaluated the specific surgical procedures associated with the higher risk of postoperative chylothorax. methods: w e assessed 435 cases undergoing chd surgery between april 2003 and may 2006. ...

We present two sporadic cases of complete ulnar hemimelia, a rare congenital defect. In one case, ulnar hemimelia was associated with tridactyly and elbow malrotation with radiohumeral synostosis; in the second case, ulnar hemimelia was assciated with mono-metacarpal bidactyly and anterior cubital webbing of the elbow with fixed flexion. To the best of our knowledge, there is dearth of informat...

Executive Summary The lumacaftor and ivacaftor fixed dose combination oral tablet (OrkambiTM, Vertex Pharmaceuticals, Inc.) is the second Food and Drug Administration (FDA) approved member of a new pharmacologic class of drugs termed cystic fibrosis transmembrane conductance regulator (CFTR) modulators.[1] CFTR modulators target the underlying defect (reduced CFTR function) that causes disease ...

Patients with primary biliary cirrhosis have a defect in the receptor mediated clearance of complement coated erythrocytes by fixed macrophages of the reticuloendothelial system. To investigate the probable mechanism of this defect peripheral blood monocytes were isolated from nine patients with primary biliary cirrhosis and seven control subjects and the ability of these cells to form rosettes...