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OBJECTIVE This study was designed to investigate the effects of hand exercise using a tourniquet on arteriovenous fistula (AVF) maturity in patients with end stage renal disease. METHODS Fifty patients were randomly allocated to 2 groups with 25 patients. After creating an AVF, in the control group, patients were asked to start doing simple hand… (More)
BACKGROUND The development of reconstructive venous surgery has been hampered by the lack of suitable grafts. Patency rates with grafts in the venous system are commonly less satisfactory than in arterial system, mainly due to nonpulsatile flow velocity and the low pressure in veins. Grafting of the inferior vena cava may be necessary in cases of trauma and… (More)
A case of endometrioma presenting as a diaphragmatic mass in a 36-year-old woman is described. The computed tomographic (CT) and magnetic resonance (MR) findings of the lesion at this rare site of involvement are illustrated, and the pertinent literature is briefly reviewed.
BACKGROUND Proper placement of central venous catheter (CVC) tip could reduce early and late catheter-related complications. Although the live fluoroscopy is standard of care for placement of the catheter, it is not available in many centers. Therefore, the present study evaluated the sensitivity and specificity of bedside chest X-ray (CXR) for proper… (More)
BACKGROUND Long-term tunneled catheters are used for the hemodialysis or chemotherapy in many patients. Proper placement of the catheter tip could reduce early and late catheter related complications. Aim of the present study was to evaluate a new formula for proper placement of tunneled hemodialysis or infusion port device by using an external anatomic… (More)
A patient with gastrointestinal bleeding due to amyloidosis-related factor X deficiency had extensive calcified retroperitoneal amyloid deposition that was visible on plain radiographs and then localized by computed tomography. The radiologic findings were important in arriving at the proper diagnosis despite negative biopsies.
BACKGROUND Fistulas are the preferred permanent hemodialysis vascular access, but a significant obstacle to increasing their prevalence is the fistula's high "failure to mature" (FTM) rate. This study aimed to identify postoperative clinical characteristics that are predictive of fistula FTM. MATERIALS AND METHODS This descriptive cross-sectional study… (More)