نتایج جستجو برای: arteriovenous
تعداد نتایج: 14894 فیلتر نتایج به سال:
Introduction: Hemodialysis is one of the most common treatment methods in kidney patients. To do this, repeated insertion of the needle into the vessel is necessary. Patients treated with hemodialysis are exposed to stress and pain caused by perforation of their arteriovenous fistula about 300 times a year. More than 1/5 of hemodialysis patients express this pain as unbearable. This study aims ...
conclusion for more precise prediction of successful aavf maturation after spta, short-term follow-up doppler ultrasonography (< 2 weeks) was useful. if the asr was < 0.7 or if residual stenosis was ≥ 30%, immediate repeat spta is recommended. results the technical and clinical success rates were both 94.9% (56/59); the mean asr was 0.84. an asr of ≥ 0.7 and no significant residual stenosis (< ...
background & aim: arteriovenous fistula (avf) is one of the inevitable elements in the take care of patients on hemodialysis. pain of avf puncture is a real problem for patients. the purpose of this study was to assess the effect of inhalation of lavender aromatherapy on pain intensity of arteriove-nous fistula puncture in patients on heamodialysis. methods & materials: in this before and after...
background the presence of arterio-venous (a-v) fistula recirculation among hemodialysis (hd) patients markedly decrease adequacy of dialysis. objectives the present article summarize some of observations about clinical significance, causes, the most common techniques for measurement, and main source of pitfall in calculation of access recirculation. materials and methods a variety of literatur...
Background and Importance: Intracranial pial arteriovenous fistula is a recently described matter as a rare vascular malformation occurring in children. It is usually located in the subpial space in the intracranial cavity with a high-flow shunt. Case Presentation: Authors report on a 2-year-old child with intracranial pial arteriovenous fistula and progressive enlargement of he...
INTRODUCTION Spinal vascular malformations can be classified in arteriovenous malformations, cavernomas, and capillary telangiectasias. Arteriovenous malformations are the most common spinal vascular anomaly and may be located intra- and/or perimedullary. According to their nidus type and hemodynamic flow patterns, they can be differentiated into fistulous, glomerular and juvenile categories. I...
BACKGROUND Hypertension contributes to cardiovascular morbidity and mortality. We assessed the safety and efficacy of a central iliac arteriovenous anastomosis to alter the mechanical arterial properties and reduce blood pressure in patients with uncontrolled hypertension. METHODS We enrolled patients in this open-label, multicentre, prospective, randomised, controlled trial between October, ...
Arteriovenous fistulas have long intrigued cardiologists, in part because they are uncommon but also because of their physiologic effects, both local and general. For instance, a fistula in an extremity in children enhances growth of that extremity, whereas a fistula located in the kidney can cause systemic hypertension. Besides local effects, systemic arteriovenous fistulas, if large, have maj...
BACKGROUND AND PURPOSE Combined transarterial balloon-assisted endovascular embolization with double-lumen balloon microcatheters and concomitant transvenous balloon protection was described as a promising treatment technique for dural arteriovenous fistulae of the transverse and sigmoid sinus. The purpose of this study was to evaluate the technical efficacy and safety of this combined treatmen...
A progressive rise in the number of patients accepted for renal replacement therapy has been reported world wide [1]. Permanent vascular access (VA) is the life-line for the majority of these patients, when hemodialysis is the treatment of choice. Thus, the successful creation of permanent vascular access and the appropriate management to decrease the complications is mandatory. A well function...
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