Ionic bonding of transition-metal halides: A spectroscopic approach.
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Biomedical subjects
Publications and source records attributed to I Pollini.
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Kawasaki disease is an acute generalized self-limiting vasculitis of small and medium size arteries of unknown ethiology, mostly affecting children younger then 5 years of age. Coronary arteries may be involved with aneurysms lesions, thrombotic occlusion, acute coronary syndrome and sudden death. The mortality rate has been significantly reduced by combined therapy of intravenous immunoglobuline (IVIG) and acetil salicylic acid (ASA) from 3% to 0.2%. From February 1986 to November 2001, 121 children, 76 male and 45 females with Kawasaki disease, have been observed at the Paediatric Department, University of Florence. Coronary changes (i.e. coronary ectasia and coronary aneurysms) have been observed in 22.3%. In only one 3-months old child, giant aneurysms of coronary arteries and myocardial necrosis have been detected. In 26 of 27 children at 2D echo a remodelling of the coronary changes within 12 months from the onset of the illness was observed. The mean follow-up has been five years (range 6-138 months) and in no patient further cardiac manifestations have been observed; however, as little is known about the progression of vascular damage, a more protracted follow-up is needed.
BACKGROUND: Survival of neonates with critical pulmonary obstruction depends on cardiac morphology and function but also on proper perinatal management. METHODS: Postnatal outcome of five neonates with critical pulmonary stenosis or pulmonary atresia detected in utero is reported. RESULTS: Right ventricular morphology and ratio between tricuspid and mitral annulus at Fetal Echocardiography were the most important prognostic parameters. Increasing severity of obstruction and of right ventricular hypoplasia was documented in two fetuses. CONCLUSION: Prenatal diagnosis was useful for planning delivery; we hypothesize that it can be of benefit on postnatal outcome. In selected cases, earlier delivery and relief of obstruction could have beneficial effect on prognosis.
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Recombinant human erythropoietin (r-HuEPO) is efficient in the treatment of anaemia in chronic renal failure on hemodialysis. We investigated the changes in cardiac function under r-HuEPO therapy using echocardiography. Seven patients with severe renal anaemia (Ht 19%) were treated with 50 U/kg r-HuEPO EV three times/week. Echocardiographic studies were performed in the anemic state and when hematocrit values were stable at levels (Ht 30%). Left ventricular function as showed by fractional shortening (D%) improved, the thickness of the interventricular septum and left ventricular hypertrophy were reduced. Our data indicate that the correction of renal anaemia by r-HuEPO can improve myocardial function in patients on maintenance hemodialysis.
A case of a child with lymphangiomatosis and chylopericardium is reported. Diagnosis of chylopericardium was performed at 11 months with ascendant lymphography which evidenced thoracic duct agenesia. At the age of 3 years he underwent operation of pleuro pericardial window. He was also treated with low fat medium chain triglyceride diet, and temporary clinical improvement occurred. The patient died at 13 years of age because of extensive lymphangiomatosis to abdomen, lungs and bones.
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