نتایج جستجو برای: ureteral patency
تعداد نتایج: 15703 فیلتر نتایج به سال:
PURPOSE A ureter obstruction caused by a ureteral stone results in inflammatory changes in the proximal submucosal layer and prevents the spontaneous passage of the ureteral stone. Accordingly, we analyzed the relationship between the spontaneous passage rates of ureteral stones less than 8 mm in size and serum C-reactive protein (CRP) levels and neutrophil percentages. MATERIALS AND METHODS ...
Introduction. Congenital hydronephrosis, can be caused by intrinsic and / or extrinsic uretero-pelvic obstruction. Regardless of the type of obstruction, pyeloplasty remains the traditional surgical procedure for hydronephrosis in children, though procedures that aim to relocate the vascular pedicle, commonly known as “vascular hitch”, were described for hydronephrosis associated with aberrant ...
The objective of the present study was to evaluate the effects of a selective beta(3)-adrenoceptor agonist, (R, R)-5-[2-[[2-(3-chlorophenyl)-2-hydroxyethyl]-amino]propyl]-1, 3-benzodioxole-2,2-dicarboxylate (CL 316243), on the acutely obstructed ureter in anesthetized dogs. After a complete ureteral obstruction produced by the inflation of a balloon catheter placed within the left lower ureter,...
PURPOSE To determine predictive factors for stent failure-free survival in patients treated with a retrograde ureteral stent for a malignant ureteral obstruction. MATERIALS AND METHODS We retrospectively reviewed 71 patients who underwent insertion of a cystoscopic ureteral stent due to a malignant ureteral obstruction between May 2004 and June 2011. Performance status, type of cancer, hydron...
PURPOSE To determine the predictive value of certain radiological parameters for an objective asssessment of the presence of ureteral stone impaction. MATERIALS AND METHODS Seventy-nine patients with a single proximal ureteral stones were retrieved from the departmental database. Both clinical and particularly radiological data of all cases were well evaluated on this aspect. In addition to t...
m alizade [1] , md mr mohammadi fallah [2] , md m shokoohi [3] , md ah sharafi [4] , mdm maghsudi [5] , md received: 23 dec, 2007 accepted: 12 april, 2008 abstract background &aims; : impacted distal ureteral stone have always been controversial on the choice of treatment. this study aims to evaluate the effect of tamsulosin (non selective alpha 1-blocker) in medical expulsion therapy of dist...
Submit Manuscript | http://medcraveonline.com 100 cases have been reported in the literature. It was classified into four types by Smith in his review of 11 cases in 1946 [2]. Bilateral ureteral triplication is rare than bilateral ureteral duplication. Only 5 cases of bilateral ureteral triplication have been reported so far in medical literature [3]. Furthermore, ureteral triplication is occas...
Background & Aims: Urologic complications occur in 1% to 30% of patients in different series. These complications are ureteral necrosis and stricture, urinary leakage, renal pelvis necrosis, ureterovesical stenosis and symptomatic ureterovesical reflux. Ureteropyelostomy with using the recipient’s ureter is one of options for management of ureteral complication after renal transplantation. We ...
Although arterialovenous fistulae (AVF) is considered to be vital for chronic kidney disease (CKD) patients, but they may cause complications and problems. For instance they may fail soon after their creation. The most important cause of failure in these cases is intrafistula thrombus formation. Whereas anti-platelet drugs are not routinely used after fistulae creation, we conducted this stud...
Background and purpose: Development of arteriovenous fistulas (AVF) is one of the major advances in the management of patients undergoing hemodialysis. Patency rate of these fistulas and the factors influencing them is of great importance to reduce the costs and rate of repeated hospitalization. Materials and methods: In a five-year study 72 patients who had native AVF were followed for one ye...
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