نتایج جستجو برای: congenital variations
تعداد نتایج: 305990 فیلتر نتایج به سال:
Congenital sternal cleft is a rare disorder in which there is a gap in the midline of the anterior chest wall between the two halves of the sternum. Typically, the contour of the mediastinal structures can be seen beneath the skin. It is rare and the exact incidence is not known. It results from failure of fusion of the two lateral mesodermal sternal bars by 8 weeks of gestation. Most cases are...
This study demonstrates seasonal variations of birth dates in children with congenital valvular heart disease and in adults dying from valvular heart disease. The findings are based on the 1989-98 Swiss EUROCAT data, and on 1969-94 Swiss mortality records. Seasonality was tested with aggregated monthly data using Edwards' procedure. Both data sets showed excesses between December and March, con...
BILIARY atresia is the most common indication for liver transplants in children, and this disorder is associated with some congenital vascular anomalies. Complex vascular anomalies increase the technical difficulties of the operation and previously resulted in high mortality in these patients. The role of the radiologist is to define the conditions in which transplantation is high risk or contr...
PURPOSE High-resolution magnetic resonance imaging (MRI) can now directly demonstrate innervation to extraocular muscles and quantify optic nerve size. A quantitative MRI technique was developed to study the oculomotor nerve (CN3) and applied to congenital fibrosis of extraocular muscles (CFEOM) and congenital oculomotor palsy. METHODS The subarachnoid portions of the CN3s were imaged with a ...
Although persistent left superior vena cava (PLSVC) itself is a common venous anomaly in congenital heart disease, PLSVC with absent right superior vena cava (RSVC) is a rare venous congenital malformation. Due to the lack of symptoms, this malformation is often detected fortuitously when patients undergo central venous catheter placement, pacemaker implantation, or open cardiac surgery. This p...
Cardiovascular magnetic resonance (CMR) has taken on an increasingly important role in the diagnostic evaluation and pre-procedural planning for patients with congenital heart disease. This article provides guidelines for the performance of CMR in children and adults with congenital heart disease. The first portion addresses preparation for the examination and safety issues, the second describe...
purpose : to evaluate the incidence of leber’s congenital amaurosis (lca) in low vision children referred to electrophysiology ward of farabi eye hospital , and review the clinical features of disease and electroretiongraphy (erg) test values to confirm the diagnosis and severity of the disease in iran . design: prospective observational case series methods : two-hundred and fifteen cases of lo...
BACKGROUND Inborn errors of metabolism are a significant cause of morbidity and death among children. Inconsistencies in how individual states arrive at screening strategies, however, lead to marked variations in testing between states. OBJECTIVE To determine the cost-effectiveness of each component test of a multitest newborn screening program, including screening for phenylketonuria, congen...
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