نتایج جستجو برای: leakage fluid
تعداد نتایج: 248493 فیلتر نتایج به سال:
Uncontrolled cerebrospinal fluid (CSF) leakage after transsphenoidal surgery (TSS) for pituitary adenoma can lead to meningitis. Intracranial mycotic pseudoaneurysm is a rare complication in central nervous system infection. Large single pseudoaneurysm is more uncommon. Most mycotic aneurysms occur due to endocarditis. The present patient had no heart problem and was infected by CSF leakage aft...
Intracranial hypotension is typically manifested by orthostatic headache. The most frequent underlying factor is cerebrospinal fluid leakage. It has been suggested that dural structural weakness in some connective tissue diseases may be responsible for dural tears and diverticula and consequently leakage. We present a case of spontaneous intracranial hypotension associated with Marfan syndrome ...
Despite all recent developments in surgical techniques during liver surgery, blood loss is still one of the main causes for postoperative morbidity and mortality. Other complications include bile leakage and fluid accumulation intraperitoneally. Fibrin sealants are able not only to enhance clot formation and wound healing but possibly work as a sealing device for postoperative leakage and fistu...
We study fluid flow at the interfaces between elastic solids with randomly rough, self-affine surfaces. We show by numerical simulation that elastic deformation lowers the relative contact area at which contact patches percolate in comparison to traditional approaches to seals. Elastic deformation also suppresses leakage through contacts even far away from the percolation threshold. Reliable es...
A patient with spontaneous intracranial hypotension due to a spinal cerebrospinal fluid (CSF) leak required localization of the leakage site prior to surgical management. Conventional, computed tomography and prone digital subtraction myelography failed to localize the dural tear, which was postulated to be dorsally located. We present here a digital subtraction myelographic approach to accurat...
A dry gas seal is a mechanical that prevents leakage of from rotating machines utilizing as medium. Fluid film in can exhibit laminar, turbulent, and slip behavior due to operating conditions design parameters. modified Reynolds equation considers the effects fluid was proposed solved using finite-element Newton–Raphson methods calculate pressure, opening force, rate. The accuracy developed pro...
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