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RISS 인기검색어
- 검색키워드
- 저자 : Yigit Gunes (검색결과 2 건)
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Neutrophil to Lymphocyte Ratio in Patients with Nonarteritic Anterior Ischemic Optic Neuropathy
Alime Gunes,Musa Yigit,Levent Tok,Ozlem Tok 대한안과학회 2017 Korean Journal of Ophthalmology Vol.31 No.2
Purpose: To evaluate the neutrophil to lymphocyte ratio (NLR) in patients with nonarteritic anterior ischemic opticneuropathy (NAION). Methods: We investigated 112 subjects comprising 56 patients with NAION and 56 healthy controls at SüleymanDemirel University. Complete blood count, demographic, and clinic data from NAION patients were evaluatedin this study. The NLR was calculated in all individuals and compared between the patient and controlgroups. Cut-off values were also determined. Then, the relationship between NLR and visual outcomes wasinvestigated. Results: The cut-off value for NLR was 1.64. NLR values were significantly higher in NAION patients than inhealthy subjects (p < 0.001) and were directly correlated with erythrocyte sedimentation rate levels (r = 0.263,p = 0.006). Also, the NLR value was associated with visual outcomes. Receiver operator characteristic curveanalysis revealed a 0.63 area under the curve (confidence interval, 53.7% to 74.1%), 85% sensitivity and 41%specificity at the cut-off NLR value. Conclusions: The NLR may be a biomarker with good sensitivity that is quick, cost effective and easily detectedin serum. It can be used in clinical practice to predict a NAION patient’s prognosis in terms of visual outcomes.
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Effects of Feed Intake and Water Hardness on Fluralaner Pharmacokinetics in Layer Chickens
Ataman Bilge Sari,Yigit Gunes,Ceren Anlas,Fulya Ustun Alkan,Enes Guncum,Oya Ustuner,Tulay Bakirel 대한수의학회 2022 Journal of Veterinary Science Vol.23 No.5
Background: Fluralaner is a novel drug belonging to the isoxazoline class that acts on external parasites of domestic animals. It is used systemically via drinking water, especially against red poultry mite in layer chickens. Fluralaner is frequently used in layers infected with D. gallinae. However, no study to date has investigated the effects of feed intake and water hardness. Objectives: This study aimed to investigate the effects of variable water hardness and feed intake on the pharmacokinetic profile of fluralaner. Methods: Layer chickens were divided into four groups (n = 8): fed + purified water (Group 1), feed restricted + purified water (Group 2), feed restricted + hard water (Group 3), and feed restricted + soft water (Group 4). After administering a single dose of the drug with drinking water, the blood samples were collected for 21 days. Fluralaner concentrations in plasma samples were determined by liquid chromatography/tandem mass spectrometry. The maximum plasma concentration (Cmax), time to reach maximum plasma concentration (tmax), area under the concentration–time curve values (AUC0-21d), half-life (t1/2), and other pharmacokinetic parameters were calculated. Results: Although the highest maximum plasma concentration (Cmax) was determined in Group 1 (fed + purified water), no statistically significant difference was found in the Cmax, tmax, t1/2, MRT0-inf_obs, Vz/Fobs, and Cl/F_obs parameters between the experimental groups. Conclusions: It was concluded that the feed intake or water hardness did not change the pharmacokinetic profile of fluralaner in layer chickens. Therefore, fluralaner could be used before or after feeding with the varying water hardness in poultry industry.
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