iran is ranked fourth for saline-sodic soils in asia following china, india and pakistan. therefore, if coupled with waterlogging, drainage would be an inevitable and indispensable activity agriculture in most irrigated parts of iran. drain installation depth is one of the main economic as well as environmental challenges in design and construction of drainage systems. deep pipe drain installat...

introduction: endoscopic repair is considered the treatment of choice in cerebrospinal fluid (csf) rhinorrhea. the aim of our study was to analyze the etiopathogenesis of csf rhinorrhea, the outcome of treatment and the causes of failure in a developing-country setting.   materials and methods: a retrospective review of patients treated with endoscopic repair for csf rhinorrhea at a tertiary ca...

Background and Importance Lumbar pseudomeningocele is an extradural cystic collection of cerebrospinal fluid with no dural covering. It results from a breach in the dura–arachnoid layer. This rare complication results from a dural rent or dehiscence after laminectomy. The exact cause of postoperative pseudomeningocele incidence is unknown and is usually under reported, as most of these patients...

BACKGROUND The consensus on most reliable supplemental test to predict the shunt responsiveness in patients with idiopathic normal pressure hydrocephalus (iNPH) is lacking. The aim of this study is to discuss the utility of external lumbar drain (ELD) in evaluation of shunt responsiveness for iNPH patients. METHODS A retrospective review of 66 patients with iNPH was conducted. All patients un...

Elite migration and brain drain trend in Iran have undergone a dramatic ascent in the past few decades while we are seriously in need of educated manpower to help accomplish the 20-year national vision. So to consider brain drain is necessary and must be accounted by policymakers in all levels. In the upcoming paper, we study the brain drain as a social problem and elaborate a five-dimensional ...