نتایج جستجو برای: up studies
تعداد نتایج: 2214025 فیلتر نتایج به سال:
cohesion is an indispensable linguistic feature in discourse analysis. lexicald such a differe cohesion and conjunction in particular as two crucial elements to textual cohesion and comprehension has been the focus of a wide range of studies up to now. yet the relationship between the open register and cohesive devices has not been thoroughly investigated in discourse studies. this study concen...
previous studies have aimed at testing a hypothesis but the present study is data-first research in which researcher tries to form a theory from data rather than the use of data to test a hypothesis. this study aims at exploring teachers perceptions of the strengths and weaknesses of the current syllabus for college preparatory course. eight experienced teachers were selected to collect data du...
background: optimal timing and mode of treatment for patients with coarctation of the aorta ( coa ) remain controversial, particularly in children. surgery, balloon dilatation, and stent implantation have all proven effective in the treatment of moderate or severe obstruction. the aim of this study was to investigate the complications of coa stenting angioplasty in pediatric patients. methods: ...
conclusions the current results showed no significant differences between the outcomes of the two procedures at short-term follow-up. however, the results might have changed in the long term. background stress urinary incontinence in women is a common problem that impairs the quality of life in patients. the extraordinary number of procedures to treat stress urinary incontinence reflects a lack...
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conclusions moderate ppm has no negative effect on echocardiographic trans-aortic pressure gradients or the patients’ nyha functional status after avr with a carbomedics prosthesis in the mid-term follow up. results of the 66 studied patients, 39 were male and 27 were female. the mean age of the patients was 43 ± 17 with a range of 6 - 76 years. implanted sizes of the carbomedics av prosthesis ...
background: the transcatheter closure of patent ductus arteriosus has advanced rapidly with improvements in device designs. the aim of this study was to analyze the safety, efficacy, and early and intermediate follow-up results of the percutaneous closure of persistent ductus arteriosus (pda) with the amplatzer ductal occluder (ado) in children. methods: between may 2004 and march 2007, fifty...
background: carotid artery stenting is now used as an alternative to surgical endarterectomy. this study was done to assess the feasibility, safety, and immediate and late clinical outcomes in patients undergoing carotid stenting . methods: between july 2008 and december 2009, a total of 40 patients (20 male, mean age: 65 ± 11 years, 19 symptomatic, and 90% high risk for endarterectomy) underwe...
conclusions our study comprehensively explored the predictive factors of therapeutic effect of administered drugs and analyzed viral relapse during a six-months to six-year follow-up period from china. the svr may not be the perfect endpoint of hcv therapy in chinese people; we recommend 48 weeks after treatment withdrawal as the suitable time point. patients and methods we retrospectively anal...
background: discrete subaortic stenosis (dss) is a progressive condition. controversy still rumbles on as to whether the subaortic membrane causes aortic regurgitation (ar) and whether membrane resection reduces ar severity. we investigated the association between the left ventricular outflow tract peak gradient (lvot-pg) and ar severity preoperatively and changes in ar severity and obstruction...
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