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1.
Eur Rev Med Pharmacol Sci ; 25(2): 1016-1023, 2021 01.
Article in English | MEDLINE | ID: mdl-33577057

ABSTRACT

OBJECTIVE: Colistin is a potent antibiotic which is mainly preferred in the treatment of multidrug-resistant (MDR) gram-negative bacilli. However, due to the increased risk of acute kidney injury following its use, the clinical application is limited. This nephrotoxicity is known to be induced by oxidative stress and related inflammation. In this study on rats, potent antioxidants Dexpanthenol (DEX) and Ascorbic acid (Vit C) have been administered in combination with Colistin to find out whether they would weaken Colistin's nephrotoxic effects. MATERIALS AND METHODS: Inflammation biomarkers were studied with enzyme-linked immunosorbent assay (ELISA) kits, and oxidative stress biomarkers were studied with different photometric methods in blood and tissue samples taken after treatment with DEX and Vit C in rats with colistin nephrotoxicity. In addition, inflammation and necrosis in the kidney tissues were examined pathologically. RESULTS: It has been observed in the serum and tissue samples that DEX and Vit C decrease oxidative stress and inflammation biomarkers, therefore acting as nephroprotective agents. CONCLUSIONS: These compounds have been found to ameliorate the nephrotoxic effects of Colistin, which were demonstrated in the rats treated with Colistin, as well as the combinations.


Subject(s)
Acute Kidney Injury/drug therapy , Ascorbic Acid/pharmacology , Inflammation/drug therapy , Neuroprotective Agents/pharmacology , Pantothenic Acid/analogs & derivatives , Acute Kidney Injury/chemically induced , Acute Kidney Injury/metabolism , Animals , Ascorbic Acid/administration & dosage , Colistin/administration & dosage , Disease Models, Animal , Inflammation/chemically induced , Inflammation/metabolism , Injections, Intraperitoneal , Male , Neuroprotective Agents/administration & dosage , Oxidative Stress/drug effects , Pantothenic Acid/administration & dosage , Pantothenic Acid/pharmacology , Rats , Rats, Sprague-Dawley
3.
Eur J Clin Microbiol Infect Dis ; 37(7): 1231-1240, 2018 Jul.
Article in English | MEDLINE | ID: mdl-29218468

ABSTRACT

Cryptococcal meningitis (CM) is mostly seen in immunocompromised patients, particularly human immunodeficiency virus (HIV)-positive patients, but CM may also occur in apparently immunocompetent individuals. Outcome analyses have been performed in such patients but, due to the high prevalence of HIV infection worldwide, CM patients today may be admitted to hospitals with unknown HIV status, particularly in underdeveloped countries. The objective of this multicenter study was to analyze all types of CM cases in an aggregate cohort to disclose unfavorable outcomes. We retrospectively reviewed the hospitalized CM patients from 2000 to 2015 in 26 medical centers from 11 countries. Demographics, clinical, microbiological, radiological, therapeutic data, and outcomes were included. Death, neurological sequelae, or relapse were unfavorable outcomes. Seventy (43.8%) out of 160 study cases were identified as unfavorable and 104 (65%) were HIV infected. On multivariate analysis, the higher Glasgow Coma Scale (GCS) scores (p = 0.021), cerebrospinal fluid (CSF) leukocyte counts > 20 (p = 0.038), and higher CSF glucose levels (p = 0.048) were associated with favorable outcomes. On the other hand, malignancy (p = 0.026) was associated with poor outcomes. Although all CM patients require prompt and rational fungal management, those with significant risks for poor outcomes need to be closely monitored.


Subject(s)
Antifungal Agents/therapeutic use , Meningitis, Cryptococcal/drug therapy , Meningitis, Cryptococcal/mortality , Adult , Cerebrospinal Fluid/microbiology , Comorbidity , Cryptococcus/classification , Cryptococcus/isolation & purification , Female , HIV Infections/complications , Humans , Immunocompromised Host , Male , Meningitis, Cryptococcal/diagnosis , Middle Aged , Retrospective Studies , Surveys and Questionnaires , Treatment Outcome
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