نتایج جستجو برای: fistulae
تعداد نتایج: 2381 فیلتر نتایج به سال:
AIM To characterize radiological and clinical factors associated with subsequent surgical intervention in Crohn's disease (CD) patients with intra-abdominal fistulae. METHODS From a cohort of 1244 CD patients seen over an eight year period (2006 to 2014), 126 patients were identified as having intra-abdominal fistulae, and included in the study. Baseline patient information was collected from...
PURPOSE To retrospectively determine the additional value of diffusion-weighted magnetic resonance imaging (MRI) to T2-weighted imaging in the evaluation of anal fistulae in comparison with gadolinium (Gd)-enhanced imaging. MATERIALS AND METHODS Thirteen patients (mean age, 35.2 years) with 20 anal fistulae were included. The protocol consisted of fat-suppressed T2-weighted fast spin-echo, di...
Non-maturation is a feature of autologous vascular access. The autologous arteriovenous fistula needs time to mature and for the vein to enlarge to a size where it can be needled for dialysis. A fistula that fails early is one that either never develops adequately to support dialysis or fails within the first three months of its use. Two variables are required for fistula maturation. Firstly, t...
Aim: Recto-vaginal fistulae are distressing. They are most commonly caused by obstetric injury, a failed pelvic anastomosis, or Crohn’s disease. Biological infill materials have been used in their management. We assessed the efficacy of biological infill materials when recto-vaginal fistulae. Methods: We applied the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) gui...
1 ABSTRACT Arteriovenous (AV) fistula is the most preferred form of vascular access for end-stage renal disease patients. Acute changes in hemodynamics and in particular wall shear stress (WSS) immediately after fistula placement are followed by the dilation of the vasculature luminal area to recover the normal physiological condition before surgery. However, vasodilation in AV fistula is not w...
BACKGROUND Complications of haemodialysis vascular access have emerged as a major cause of patient morbidity. Intravascular ultrasound imaging is a new technical modality providing visualization of the vessel lumen and wall structure in a cross-sectional fashion. Percutaneous transluminal angioplasty has long been used in the treatment of stenoses of arteriovenous fistulae. However, there is no...
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