نتایج جستجو برای: clamping pressure
تعداد نتایج: 412225 فیلتر نتایج به سال:
Background: The timing of umbilical cord clamping may affect the need to bloodtransfusion and other morbidities of preterm infants. This study aimed to compare three different cord clamping timing (immediate cord clamping, delayed cord clamping and umbilical cord milking) in preterm infants delivered by cesarean section (CS). <em...
PURPOSE Demonstrate two alternatives that permit a warm ischemia time reduction during laparoscopic partial nephrectomy. MATERIALS AND METHODS In this video, two cases of intermediate complexity renal tumors according to the RENAL nephrometry renal scoring system illustrating the techniques and our preliminary experience: a 65 year old man with a 4 cm right, posterior renal tumor. This patien...
OBJECTIVE To evaluate the effect of lung ischemic preconditioning (IPC) on normothermic ischemia/reperfusion (I/R) injury in a rat model, quantifying the production of reactive oxygen species. METHODS Forty-seven male Wistar rats were randomized into four groups: control, sham, I/R and IPC. Control group animals were anesthetized and killed by decapitation, after which pneumonectomy was perfo...
Hepatectomy without portal triad clamping may decrease the incidence of liver injury; however, the effects of hepatectomy without portal triad clamping in the treatment of spontaneous rupture of hepatocellular carcinoma (SRHCC) remain unclear. The aims of the present study were to evaluate the therapeutic value of hepatectomy without portal triad clamping in the treatment of patients with SRHCC...
BACKGROUND During total hip arthroplasty (THA) drainage is used by most surgeons. However, the optimal drainage strategy remains controversial. The aim of this prospective cohort study was to determine the safety and efficacy of a four-hour drainage clamping technique in patients undergoing THA. MATERIAL AND METHODS There were 64 patients who underwent THA from March 2012 to December 2015 who w...
The development of radiculopathy in patients with lumbar canal stenosis is thought to be closely related to intraradicular edema resulting from compression. However, there is little agreement as to question which is more essential for intermittent claudication: ischemia or congestion. The aim of the present experimental investigation was to examine the effect of ischemia and congestion on the n...
In stroke-prone spontaneously hypertensive rats (SHRSP), urinary excretion of sodium and water and glomerular filtration rate (GFR) are markedly decreased by acute normalization of the renal perfusion pressure using an aortic clamping technique. To examine the mechanism for the decreased sodium and water excretion, SHRSP rats were subjected to bilateral renal denervation. Sodium and water excre...
OBJECTIVE to examine the effects of type of anaesthesia on cerebral blood flow during carotid endarterectomy (CEA). DESIGN prospective randomised study. METHODS thirty-four CEA procedures under local anaesthesia (LA) are compared to 33 procedures under general anaesthesia (GA). Mean middle cerebral artery velocity (MCAV(mean)) was monitored using Transcranial Doppler (TCD) and mean arterial...
Bie, Peter, and Niels C. F. Sandgaard. Determinants of the natriuresis after acute, slow sodium loading in conscious dogs. Am. J. Physiol. Regulatory Integrative Comp. Physiol. 278: R1–R10, 2000.—The relative importance of systemic volume, concentration, and pressure signals in sodium homeostasis was investigated by intravenous infusion of isotonic (IsoLoad) or hypertonic (HyperLoad) saline at ...
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