نتایج جستجو برای: discrete subaortic stenosis
تعداد نتایج: 224466 فیلتر نتایج به سال:
OBJECTIVE This paper describes the development of a discrete choice experiment (DCE) questionnaire to identify the factors (attributes) that allied health professionals (AHPs) working with people with disability identify as important to encouraging them to remain practising in rural areas. METHODS Focus groups and semi-structured interviews were conducted with 97 purposively selected service ...
The asymptotic distribution of sample quantiles in the classical definition is well-known to be normal for absolutely continuous distributions. However, this is no longer true for discrete distributions or sampleswith ties.We show that the definition of sample quantiles based on mid-distribution functions resolves this issue and provides a unified framework for asymptotic properties of sample q...
Discrete subaortic membranes are rare congenital abnormalities which may cause hemodynamic consequences secondary to left ventricular outflow obstruction. It may present as an isolated abnormality or may accompany other congenital abnormalities such as ventricular septal defects and bicuspid aortic valve (BAV). Two dimensional (2-D) and recently three dimensional (3-D) echocardiography is used ...
In the last few decades many papers appeared in the statistical literature on the discretization of continuous distributions. The main reasons for discretizing a continuous distributions are two fold, namely, (i) the discrete analogue of a continuous distribution provide probability mass function (pmf) that can compete with the classical discrete distributions commonly used in the statistical a...
INTRODUCTION AND OBJECTIVES There are several techniques for the palliative treatment of patients with single-ventricle physiology, ventriculoarterial discordance and subaortic stenosis. The Fontan procedure relies on optimal initial palliation to avoid the development of subaortic stenosis (as well as ventricular hypertrophy and diastolic dysfunction). METHODS We present seven patients with ...
We report here two cases of patients admitted in our institution for heart failure. The first had been previously diagnosed with severe aortic valve stenosis and was referred for aortic valve replacement. The myocardial and valvular anatomy combined with the Doppler profiles allowed, however, to suggest the diagnosis of a discrete subaortic membrane that was confirmed by surgical findings. In t...
Background. Discrete fixed subvalvular aortic stenosis can occur as an isolated abnormality or in association with other cardiac anomalies, especially ventricular septa] defect, persistent patent ductus arteriosus or coarctation of the aorta (1-4) . It most often presents as a crescent-shaped ridge of fibroelastic tissue protruding from the left septal surface into the subaortic region or as a ...
OBJECTIVE To compare the incidence and prognosis of subaortic stenosis associated with a ventricular septal defect and to define the morphological basis of subaortic stenosis. DESIGN Presentation and follow up data on 202 patients with subaortic stenosis seen at the Royal Liverpool Children's Hospital between 1 January 1960 and 31 December 1991 were reviewed. Survivors were traced to assess t...
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