نتایج جستجو برای: shunting

تعداد نتایج: 3721  

Journal: :Iranian journal of neurosurgery 2021

Background and Aim: The insertion of Ventriculoperitoneal (VP) or Ventriculoatrial (VA) shunt is the first line treatment in patients with hydrocephalus normal-pressure hydrocephalus. provision a safety profile for shunting very important. This study aimed to determine success rates complications VP VA Methods Materials/Patients: systematic review investigated complication managing All publishe...

ABSTRACTThe valves of right horn of systemic venous sinus are prominent structures within the right atrium during early embryonic period. Involution of these structures may not be complete, resulting in a spectrum of anatomical presentations such as cyanosis. A full-term male neonate referred to our hospital for precise evaluation of severe cyanosis on the first day of life. Echocardiographic e...

Journal: :The Journal of surgical research 1984
J L Cronenwett J L Shellito J L Luce J C Stanley S M Lindenauer

The interactions of blood flow, A-V O2 difference (AVDO2), and A-V shunting were measured in normal hindlimbs of nine anesthetized dogs. An aorto-iliac nonpulsatile perfusion pump was used to change femoral artery blood flow from zero (collateral flow only) to twice its baseline level. Femoral AVDO2 was measured by in-line spectrophotometric O2 analysis. A-V shunting was measured with radio-lab...

Journal: :Journal of rehabilitation medicine 2014
Zhen Chen Yanhui Yang Ge Chen Maobin Wang Weiqun Song

OBJECTIVE To investigate the impact of ventriculoperitoneal shunting during clinical rehabilitation of chronic normal pressure hydrocephalus patients with disorders of consciousness following aneurysmal subarachnoid haemorrhage. DESIGN Cross-sectional study. PATIENTS AND METHODS Thirty-five patients with disorders of consciousness following aneurysmal subarachnoid haemorrhage who had underg...

Journal: :Journal of neurology, neurosurgery, and psychiatry 1975
H A Shenkin J O Greenberg C B Grossman

It has been presumed that idiopathic normal pressure hydrocephalus is due to obstruction. We visualized the ventricles in 19 patients subsequent to shunting. We found no consistent relationship between clinical improvement after shunting and reduction in ventricular size. This suggests that the positive effect of shunting in at least some instances is due to some other factor than reduced ventr...

Journal: :Annals of Surgery 1988

Journal: :The Electronic Journal of Combinatorics 2019

Journal: :iranian journal of radiology 0
wenyan song department of radiology, beijing youan hospital, capital medical university, beijing, china; department of radiology, beijing youan hospital, capital medical university, beijing, china. tel: +86-13611096669 dawei zhao department of radiology, beijing youan hospital, capital medical university, beijing, china; department of radiology, beijing youan hospital, capital medical university, beijing, china hongjun li department of radiology, beijing youan hospital, capital medical university, beijing, china jinli ding department of radiology, beijing youan hospital, capital medical university, beijing, china ning he department of radiology, beijing youan hospital, capital medical university, beijing, china yu chen beijing artificial liver treatment and training center, beijing youan hospital, capital medical university, beijing, china

conclusion the involved liver with hht typically shows vascular shunting and biliary diseases. also, arteriovenous shunts may be vulnerable to biliary diseases. results (i) three types of shunting were found in the livers, including arteriovenous (hepatic artery to hepatic vein) in 6 cases, arterioportal (hepatic artery to portal vein) in 2 cases, and portal venous (portal vein to hepatic vein)...

Journal: :Stroke 1992
J H Halsey

BACKGROUND AND PURPOSE Controversy continues about the pathogenesis of perioperative stroke in carotid endarterectomy and the use of shunting. The purpose of this study was to determine, using transcranial Doppler ultrasonography, the severity of ischemia during clamping of the carotid artery as a basis for analysis of complications in patients operated on with and without shunting. METHODS I...

Journal: :Gut 1998
P Javlé J Yates H G Kynaston K F Parsons S A Jenkins

BACKGROUND Massive liver necrosis, characteristic of acute liver failure, may affect hepatosplanchnic haemodynamics, and contribute to the alterations in renal haemodynamics and function. AIMS To investigate the relation between hepatosplanchnic haemodynamics, including portal systemic shunting, and renal blood flow and function in rats with acute liver failure. METHODS Liver failure was in...

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