in order to create an effective arteriovenous fistula (avf) in patients with sustained chronic renal failure (crf), surgeons need to become familiar with various anatomical variations of venous structures in the operating field. because of variety and different types of cubital venous anatomies, there is more than a 90% possibility of creating suitable avfs in the cubital fossa , but in the wri...

a 28-year-old, 32 week pregnant primigravida woman with a past history of increased blood pressure presented with ruq pain as well as sudden onset of hematemesis. this case illustrates the occurrence of a rare complication (rupture of portal vein pseudoaneurysm inside the biliary system), appearing as upper gastrointestinal bleeding in a pregnant woman. the cause of the rupture is presumably pr...

postoperative portal vein thrombosis is a rare complication which occurs most often after hepatobiliary surgery.to date, few cases following laparoscopic cho lecystectomy have been reported. in this paper we present a case of portal vein thrombosis diagnosed with abdominal ct scan on the seventh day following laparoscopic cholecystectomy.the patient was administered therapeutic intravenous hepa...

background: proton induced x-ray emission (pixe) has been applied as reliable and improved techniques in this study to compare concentration of various trace elements in normal and abnormal varicose veins. materials and methods: five samples from normal veins and 13 samples from varicose veins bombarded by 2.0 mev energy proton beams produced by a van de graff accelerator in vacuum. two specime...

background: muslim women tend to postpone their menstrual period using short course oral contraceptives (oc) during ramadan, muslims fasting month. recently, many cases of stroke, particularly cerebral vein thrombosis (cvt), have been reported in ramadan. objective: this work studies the incidence of cvt and its relation to ramadan. materials and methods: this is a cohort study conducted from o...

retinal vein occlusion (rvo) is a common retinal vascular occlusive disorder and is associated with a variety of systemic risk factors. the aim of this study was to investigate whether the underlying diseases were evaluated and managed appropriately by ophthalmologists. we performed a study of 1344 patients with retinal vein occlusion (rvo). patients were evaluated with a questionnaire includin...

conclusions the us-guided method for cvc placement was superior to the traditional landmark method in terms of access time, number of attempts, success rate, and fewer complications. objectives this study aimed to compare the traditional landmark method vs. us-guided method of cvc placement in terms of complications and success rate. patients and methods in this randomized controlled trial, pat...

In this investigation, 25 adult New Zealand White rabbits randomly selected from both sexes and studied.Coloured latex injection and corrosion cast methods were applied on the materials. This study was carried out to disclose the distribution of the cardiac veins of the New Zealand White rabbits. The veins that drain the heart were found to be the great cardiac vein, the middle cardiac vein, th...