نتایج جستجو برای: liver perfusion
تعداد نتایج: 370466 فیلتر نتایج به سال:
Through the years, liver resection and bleeding control techniques have progressively evolved. However, for liver tumors located unfavorably, the standard techniques are not suitable due to either failure to control the bleeding or to liver ischemia induced by prolonged interruption of perfusion. In this regard, total vascular exclusion (TVE) with in situ hypothermic perfusion is advantageous a...
Through the years, liver resection and bleeding control techniques have progressively evolved. However, for liver tumors located unfavorably, the standard techniques are not suitable due to either failure to control the bleeding or to liver ischemia induced by prolonged interruption of perfusion. In this regard, total vascular exclusion (TVE) with in situ hypothermic perfusion is advantageous a...
The intermediate metabolism of androgens has been the subject of many investigations by incubation of liver slices and homogenates with testosterone or other suitable (319 compounds (l-4). The enzymatic reduction of the a,Bunsaturated ketone in ring A (4) and the oxidation of the C-17 hydroxyl group (1, 4) have been the major transformations demonstrated. However, Schneider and Mason (5) have s...
Donation after circulatory death (DCD) is a promising solution to the critical shortage of donor graft tissue. Maintaining organ viability after donation until transplantation is essential for optimal graft function and survival. To date, static cold storage is the most widely used form of preservation in clinical practice. However, ischemic damage present in DCD grafts jeopardizes organ viabil...
The objective of this study was to elucidate the role of Kupffer cells during the increase of portal vein pressure caused by ethanol. We measured nitric oxide (NO) in the perfused rat liver using a commercial NO meter. Ethanol perfusion increased NO release and portal vein pressure. Gadolinium chloride pretreatment reduced the increase in portal vein pressure during the early phase of ethanol p...
Intra-operative tumor rupture is a serious complication during resection of large hepatocellular carcinoma (HCC) leading to more blood loss. We report our experience in applying continuous Pringle maneuver with in situ hypothermic perfusion via inferior mesenteric vein catheterization to the portal vein of the remnant liver for resection during an extended left lobectomy of a large HCC which ru...
1. The metabolism of inorganic [(35)S]sulphate (Na(2) (35)SO(4)) was studied in the isolated perfused rat liver at three initial concentrations of inorganic sulphate in the perfusion medium (0, 0.65 and 1.30mm), in relation to sulphation and glucuronidation of a phenolic drug, harmol (7-hydroxy-1-methyl-9H-pyrido[3,4-b]indole). 2. [(35)S]Sulphate rapidly equilibrated with endogenous sulphate in...
OBJECTIVES The aim of this study was to determine the factor changing the hepatic disposition of a drug during hypothermia using a rat liver perfusion system. METHODS The livers of male Wistar rats were perfused at 37, 32 or 28°C in the single-pass mode. Venous outflow dilution patterns and biliary excretion rate patterns of phenolsulfonphthalein (PSP), indocyanine green (ICG) and fluorescein...
The induction and synthesis of metallothionein was studied in the isolated perfused rat liver, using Cd(I1) as the inducing metal. Perfusing the liver with 25 to 100 pg of Cd(I1) for 180 min revealed that the amount of Cd(I1) in metallothionein increased with the dosage of Cd(II), saturation being achieved at 75 pg. Zn(I1) in metallothionein decreased to about 60% of the level found in control ...
Transcutaneous electrical nerve stimulation (TENS) is commonly used in clinical practice for alleviating pains and physiological disorders. It has been reported that TENS could counteract the ischemic injury happened in some vital organs. To determine the protective effect of TENS on internal organs during CH in dogs, target hypotension was maintained for 60 min at 50% of the baseline mean arte...
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