نتایج جستجو برای: Mesna
تعداد نتایج: 2537 فیلتر نتایج به سال:
Although mesna has been used for more than a decade to reduce the incidence of hemorrhagic cystitis induced by ifosfamide and cyclophosphamide, the disposition of i.v. and oral mesna has not been adequately described. To obtain accurate bioavailability data for the design of mesna regimens, we developed procedures to preserve and measure mesna and dimesna in the blood and urine and studied 25 v...
The biofilms (BF) formed by Escherichia coli (E. coli) is an important cause of chronic and recurrent infections due to its capacity to persist on medical surfaces and indwelling devices, demonstrating the importance of inhibiting the formation of E. coli BF and reducing BF infection. Although 2‑mercaptoethane sulfonate (MESNA) exhibits a marked mucolytic effect clinically, the effect of MESNA ...
We have studied the effects of the mucolytic thiol agent mercapto-ethanesulphonate (mesna) on the activity of both polymorphonuclear leucocyte (PMN) elastase and antileucoprotease in vitro. In all tests a specific synthetic substrate was used to measure elastase activity, which was then related to enzyme activity in the absence of mesna. The relative elastase activity decreased to 67.5% of cont...
OBJECTIVE Sodium-2-mercaptoethanesulfonate (MESNA) is widely used in medicine because of its antioxidant and mucolytic effects. In recent years, it has been used in otologic surgery. Because it cleaves disulfide bonds, it is used to easily dissect the epithelial matrix in cholesteatoma and atelectasis. In this study, we hypothesized that MESNA does not have any toxic effect on the facial nerve,...
The minimal inhibitory concentration of azlocillin for Pseudomonas aeruginosa is appreciably reduced when combined with the mucolytic agent mesna (Mistabron) because of an independent bacteriostatic effect of mesna. Bactericidal activity of azlocillin is unaltered by mesna. Mesna inhalations alone or combined with azlocillin may benefit cystic fibrosis patients with pseudomonas lung infections.
BACKGROUND AND OBJECTIVES Increased plasma total homocysteine is a graded, independent risk factor for the development of atherosclerosis and thrombosis. More than 90% of patients with end-stage renal disease have hyperhomocysteinemia despite vitamin supplementation. It was shown in previous studies that a single intravenous dose of mesna 5 mg/kg caused a drop in plasma total homocysteine that ...
INTRODUCTION: In Western countries, ESD was not commonly performed because the submocosal dissection is technically challenging. We reported that the injection of mesna solution (sodium-2-mercaptoethanesulfonate) made submucosal connective tissues chemically softened and facilitated mechanical dissection of the submucosal layer in the stomach [1]. Our previous study suggested that mechanical di...
Mesna is administered with ifosfamide and cyclophosphamide to re duce the incidence of hemorrhagic cystitis. In the present model of mesna metabolism and disposition, mesna is rapidly and irreversibly oxidized to dimesna in the plasma, passes unchanged through the liver, and is then reduced by the kidney and excreted. Our detection of a high ratio of mesna to dimesna in the plasma of clinical s...
To characterize the excretion of 2-mercaptoethanesulfonate sodium (mesna) administered by intermittent infusion, urinary concentrations of mesna and its corresponding inactive disulfide »eremeasured during 50 courses of ifosfamide (1.6 g/nr for 5 days) and mesna (400 mg/nr at 0.25, 4, and 6 h after each ifosfamide dose) administered i.v. to 19 patients. Some patients had previously received ne...
Mesna is administered with ifosfamide and cyclophosphamide to reduce the incidence of hemorrhagic cystitis. In the present model of mesna metabolism and disposition, mesna is rapidly and irreversibly oxidized to dimesna in the plasma, passes unchanged through the liver, and is then reduced by the kidney and excreted. Our detection of a high ratio of mesna to dimesna in the plasma of clinical sa...
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