background budd-chiari syndrome (bcs) is defined as hepatic venous outflow obstruction (hvoo). bcs is an uncommon, life-threatening liver disorder. this study describes the clinical and etiological characteristics in addition to the long-term outcome of bcs in a single referral center in tehran, iran. methods we reviewed long-term outcome of patients who were diagnosed with bcs between 1989 and...

background portal vein thrombosis (pvt) is one of the most common causes of extrahepatic portal hypertension in children, which may follow neonatal umbilical vein catheterization. the incidence rates of catheter-related pvt, in infants and children vary in different studies. this study aimed to determine pvt incidence in the children under 3 years old with a history of neonatal umbilical vein c...

Abstract Hop stunt viroid (HSVd) and Citrus tristeza virus (CTV) are the causal agents of most important diseases of citrus. Previously we reported a novel variant of HSVd that constantly associated with the yellow corky vein disease. Here, 19 individual citrus leaves with yellow corky vein symptoms were sampled for CTV by ELISA. In this study, most symptomatic samples were found to be inf...

Background: Peripheral vascular injury associated with lower limb trauma is a well-known emergency. The experience for the management of popliteal artery trauma have mainly come from managing the traumas of military personnels during Iran-Iraq war. The present study compared the effects of two currently-used surgical techniques in the management of popliteal trauma, namley femoropopliteal bypas...

data suggest that the multifocal electroretinography (mferg) may have a role in the assessment of patients with central retinal vein occlusion (crvo). to explore the mferg responses in patients with crvo. mferg responses were recorded at 61 discrete retinal locations from both eyes of 25 patients diagnosed with retinal vein occlusions within 3 weeks of onset. the latencies and amplitudes of ave...

introduction: retinal vein occlusion  is a common vascular disorder disrupting vision. two basic types of rvo are branch retinal vein occlusion and central retinal vein occlusion (crvo).  retinal vein occlusion is a multifactor process including systemic illness and local retinal factors.rvo may be associated with atherosclerotic risk factors. we analyzed the role of 2 dimensional transthoracic...

conclusions in our conditions, the use of an anatomical landmark-guided procedure was the preferred treatment method due to limited resources and a lack of adequate training. background central venous cannulation is a current and important procedure used in the operating room and intensive care unit. some studies have shown that the application of ultrasound-guided cannulation can improve the s...

background deep vein thrombosis (dvt) is a well-recognized complication in patients with cancer. chemotherapy and cancer surgery increase the risk of dvt in these patients. there are a few reports about the prevalence of dvt in patients with cancer regarding different managing modalities. objectives this study aimed to assess the prevalence of dvt in patients with cancer, who were hospitalized ...

a 55 year-old man was referred with periumbilical and colicky abdominal painøœ cutaneous lesionsøœ palpable purpura in extremities and 10 kg weight loss. a 5×5 cm cavitary mass lesion was seen in the lower lobe of right lung in cxr. pansinusitis in paranasal ct scan was reported. intramural hemorrhage in ileum and jejunum in abdominal ct scan was noted. esr was ›100 and c-ancawas positive.micro...