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Öğe Assessment of Evidence for Positive Association and Seroprevalence of Hepatitis B and C in Diabetic Patients in a Developing Country(BMJ PUBLISHING GROUP, 2015) Korkmaz, Huseyin; Kesli, Recep; Pamuk, Bans Onder; Ipekci, Suleyman Hilmi; Terzi, Yuksel; Kebapcilar, LeventBackground and Aim: The data related to the association between hepatitis virus infections and diabetes mellitus (DM) are conflicting. The aim of this study was to investigate the seroprevalence of hepatitis B virus (HBV) and hepatitis C virus (HCV) and to determine the risk factors affecting the prevalence in Turkish patients with type 1 DM and type 2 DM. Methods: The study consisted of 736 diabetic and 505 nondiabetic patients. Serological investigation for the hepatitis B surface antigen (HBsAg) and the HCV antibody (anti-HCV) was performed with a third-generation commercial chemiluminescence assay. The presence of HBsAg was considered as indicator of HBV infection. The HCV infection in the patients with positive anti-HCV was confirmed by a real-time polymerase chain reaction assay. The patients were divided according to their HBV and HCV infection status, and their demographic features, diabetes properties, general risk factors, and aminotransferase levels were analyzed. Results: There was no significant difference in the seropositivity rate for the HBsAg (3.8% vs 3.0%, P > 0.43; odds ratio, 1.292; 95% confidence interval, 0.683-2.444). However, anti-HCV seropositivity was significantly increased in the DM group (3.3% vs 1.8%, P < 0.03; odds ratio, 2.398; 95% confidence interval, 1.025-5.609). Increased aminotransferase levels and a history of blood transfusions were positively correlated with both HBV and HCV infection. Moreover, a history of surgical procedures and high glycated hemoglobin A1c levels were positively associated with HBsAg antigen seropositivity. Conclusions: Although no significant difference in the seropositivity of the HBsAg was determined, a high prevalence of HCV infection was detected in the DM patients compared to healthy controls.Öğe Comparison of a Newly Developed Automated and Quantitative Hepatitis C Virus (HCV) Core Antigen Test with the HCV RNA Assay for Clinical Usefulness in Confirming Anti-HCV Results(AMER SOC MICROBIOLOGY, 2011) Kesli, Recep; Polat, Hakki; Terzi, Yuksel; Kurtoglu, Muhammet Guzel; Uyar, YavuzHepatitis C virus (HCV) is a global health care problem. Diagnosis of HCV infection is mainly based on the detection of anti-HCV antibodies as a screening test with serum samples. Recombinant immunoblot assays are used as supplemental tests and for the final detection and quantification of HCV RNA in confirmatory tests. In this study, we aimed to compare the HCV core antigen test with the HCV RNA assay for confirming anti-HCV results to determine whether the HCV core antigen test may be used as an alternative confirmatory test to the HCV RNA test and to assess the diagnostic values of the total HCV core antigen test by determining the diagnostic specificity and sensitivity rates compared with the HCV RNA test. Sera from a total of 212 treatment-naive patients were analyzed for anti-HCV and HCV core antigen both with the Abbott Architect test and with the molecular HCV RNA assay consisting of a reverse transcription-PCR method as a confirmatory test. The diagnostic sensitivity, specificity, and positive and negative predictive values of the HCV core antigen assay compared to the HCV RNA test were 96.3%, 100%, 100%, and 89.7%, respectively. The levels of HCV core antigen showed a good correlation with those from the HCV RNA quantification (r = 0.907). In conclusion, the Architect HCV antigen assay is highly specific, sensitive, reliable, easy to perform, reproducible, cost-effective, and applicable as a screening, supplemental, and preconfirmatory test for anti-HCV assays used in laboratory procedures for the diagnosis of hepatitis C virus infection.Öğe Comparison of the Diagnostic Accuracy of Five Different Stool Antigen Tests for the Diagnosis of Helicobacter pylori Infection(WILEY, 2013) Korkmaz, Huseyin; Kesli, Recep; Karabagli, Pinar; Terzi, YukselBackground: Several noninvasive diagnostic tests based on the detection of Helicobacter pylori stool antigen (HpSA) have been developed. The aim of the study was to compare the diagnostic accuracy of 5 HpSA tests-2 monoclonal enzyme immunoassay tests (EIAs: the Premier Platinum HpSA Plus test and Helicobacter pylori Antigen (Hp Ag) test) and 3 rapid immunochromatographic assay (ICA) tests (the ImmunoCard STAT! HpSA test, one step HpSA test, and H. pylori fecal antigen test)-for diagnosing H. pylori infection in adult patients with dyspeptic symptoms before eradication therapy. Materials and Methods: A total of 198 patients with dyspeptic symptoms were included in the study. A gastric biopsy was collected for histopathology and rapid urease testing. Stool specimens for HpSA testing were also collected. Patients were considered H. pylori positive if two invasive tests (histological and rapid urease tests) were positive. Results: The sensitivity and specificity were 92.2% and 94.4%, respectively, for the Premier Platinum HpSA Plus test; 48.9% and 88.9%, respectively, for the HP Ag test; 86.7% and 88.9, respectively, for the One Step HpSA test; 68.9% and 92.6%, respectively, for the ImmunoCard STAT! HpSA test; and 78.9% and 87%, respectively, for the H. Pylori fecal antigen test. Conclusions: The Premier Platinum HpSA Plus EIA test was determined to be the most accurate stool test for diagnosing H. pylori infections in adult dyspeptic patients. The currently available ICA-based tests are fast and easy to use but provide less reliable results.Öğe INVESTIGATION OF THE SUSCEPTIBILITIES OF MYCOBACTERIUM TUBERCULOSIS COMPLEX STRAINS TO MAJOR ANTITUBERCULOSIS DRUGS WITH BACTEC MGIT 960 SYSTEM(NOBEL ILAC, 2011) Kurtoglu, Muhammet Guzel; Kesli, Recep; Terzi, Yuksel; Baykan, MahmutObjective: The study was designed to investigate retrospectively the resistance rates of tuberculosis-causing mycobacteria, isolated in the microbiology and clinical microbiology laboratories of Konya Research and Education Hospital. Material and Method: Mycobacterium tuberculosis complex strains were isolated from various clinical samples of 1666 patients applying to Konya Research and Education Hospital between May 2007 and December 2009, and the resistance rates of Mycobacterium tuberculosis complex strains against first generation anti tuberculosis drugs were investigated. After homogenization and decontamination, the samples investigated were cultured using BACTEC Mycobacteria Growth Indicator Tube-960 (MGIT-960) system. Susceptibility rates of the strains determined with production were investigated with the same system versus streptomycin (SM), Isoniazid (INH), Rifampin (RIF) and Ethambutol (ETB) (SIRE). Results: From 1666 patients prediagnosed with tuberculosis, 70 Mycobacterium tuberculosis complex strains were isolated. While no drug resistance was found in 17 (24%) of them, resistance to one or two drugs was found in 26 (37%) strains (24% to INH, 20% to SM, 6% to ETB and 4% to RIF). While resistance was found to be only against one drugs in 15 of these (21%), two drugs in 11 of these (16%), no resistant strains could be determined against three or four drugs together Among the patients with resistance, 81% (57/70) displayed primary and 18% (13/70) secondary tuberculosis, and 2 patients were found to display resistance to isoniazid and rifampin together (MDR-TB). Conclosion: It was seen that the findings in the study were consistent with those determined by other studies in our country. Preventing the resistance to antituberculosis drugs is possible by enlightening the distribution rates of drug resistant strains in public, defining appropriate drug regimes and increasing the quality of tuberculosis control programs. Therefore, it is essential that regular and continuous scanning of antituberculosis drugs should be performed.
