Browsing by Author "Ozkan H."

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    [Incidence of intestinal parasites detected in the Department of Parasitology in Celal Bayar University Hospital between 2006 and 2010].; [Celal Bayar Üniversitesi Hastanesi Parazitoloji Polikliniǧi'nde 2006-2010 Yillari Arasinda Saptanan Baǧirsak Parazitlerinin İnsidansi]
    (2012) Düzyol D.; Kilimcioǧlu A.A.; Ozyurt B.C.; Ozkan H.; Girginkardeşler N.
    Results of 17.711 patien admitted to the Department of Parasitology in Celal Bayar University Hospital for parasitological stool examination between January 2006 and December 2010 were evaluated. All stool samples were examined with wet mounts, formalin ethyl acetate concentration and trichrome staining methods. In addition, cellophane tape preparations from 5952 patients were evaluated. Intestinal parasites were detected in 2337 (13.12%) of 17.711 patients who were admitted during a five year period. The highest parasite infected individual ratio (16.69%) was found in 2008. The most frequently identified intestinal parasites were Blastocystis spp. 1353 (7.64%) and Giardia intestinalis 348 (1.96%) in stool samples, with Enterobius vermicularis 253 (4.25%) in cellophane tape preparations. Two or more parasites were detected in 158 (6.76%) of the positive cases. The mean age of persons identified as having a parasite was 21.9. Parasite incidence was 10.7% in females, and 13.6% in males (p < 0.001). The highest ratio was 23.8% in patients who lived in rural areas when all positive cases were evaluated in terms of settlement areas. While Blastocystis spp., E. vermicularis and G. intestinalis were the most frequently detected intestinal parasites in our province, intestinal parasites still remain important despite advances in infrastructure in recent years.
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    Outcome of the Respiratory Syncytial Virus related acute lower respiratory tract infection among hospitalized newborns: A prospective multicenter study
    (Taylor and Francis Ltd, 2016) Alan S.; Erdeve O.; Cakir U.; Akduman H.; Zenciroglu A.; Akcakus M.; Tunc T.; Gokmen Z.; Ates C.; Atasay B.; Arsan S.; Anik A.; Turkmen M.K.; Erdogan Y.; Oygur N.; Kahvecioglu D.; Yildiz D.; Caner I.; Tekgunduz K.S.; Kurt A.; Yigit Y.; Bilgili G.; Bolat F.; Cevit O.; Ozlu F.; Satar M.; Ertugrul S.; Cakir B.; Unal S.; Iscan B.; Duman N.; Ergor S.N.; Yalaz M.; Celik I.; Celik U.; Hirfanoglu I.M.; Koc E.; Sivasli E.; Melekoglu N.A.; Kiray Bas E.; Bozkaya D.; Korkmaz A.; Ozdemir R.; Karadag A.; Ozer E.; Ilhan O.; Mutlu M.; Aslan Y.; Erener- Ercan T.; Cetinkaya M.; Sahin O.; Akin M.A.; Okumus N.; Demirel G.; Kilic A.; Turkoglu-Unal E.; Bulbul A.; Takci S.; Anuk-Ince D.; Ciftdemir N.A.; Acunas B.; Ozkan H.; Koksal N.; Okulu E.; Demir N.; Tuncer O.; Dizdar E.A.; Oguz S.; Dilmen U.
    Aim: To determine the incidence and outcomes of respiratory syncytial virus (RSV)-related acute lower respiratory tract infection (ALRI) including morbidity, nosocomial infection and mortality among newborn infants who were admitted to the neonatal intensive care units (NICUs).Methods: A multicenter, prospective study was conducted in newborns who were hospitalized with community acquired or nosocomial RSV infection in 44 NICUs throughout Turkey. Newborns with ALRI were screened for RSV infection by Respi-Strip®-test. Main outcome measures were the incidence of RSV-associated admissions in the NICUs and morbidity, mortality and epidemics results related to these admissions.Findings: The incidence of RSV infection was 1.24% (n: 250) and RSV infection constituted 19.6% of all ALRI hospitalizations, 226 newborns (90.4%) had community-acquired whereas 24 (9.6%) patients had nosocomial RSV infection in the NICUs. Of the 250 newborns, 171 (68.4%) were full-term infants, 183 (73.2%) had a BW >2500 g. RSV-related mortality rate was 1.2%. Four NICUs reported seven outbreaks on different months, which could be eliminated by palivizumab prophylaxis in one NICU.Conclusion: RSV-associated ALRI both in preterm and term infants accounts an important percent of hospitalizations in the season, and may threat other high-risk patients in the NICU. © 2015 Taylor & Francis.
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    Prevalence of Transmitted Drug Resistance among HIV-1 Patients in the Aegean Region: Results from the Western Part of Turkey
    (Bentham Science Publishers, 2023) Sertoz R.; Tekin D.; Erensoy S.; Biceroglu S.; Kaptan F.; Köse S.; Ozkan H.; Cetin B.; Türken M.; Gokengin D.
    Objectives: This study aimed to analyze the antiretroviral drug resistance in antiretroviral treatment-naïve HIV-positive patients in the Aegean Region of Turkey from 2012 to 2019. Methods: The study included 814 plasma samples from treatment-naïve HIV-positive patients. Drug resistance analysis was performed by Sanger sequencing (SS) between 2012-2017 and by next-generation sequencing sequencing (NGS) between 2018-2019. SS was used to analyze resistance mutations in the protease (PR) and reverse transcriptase (RT) gene regions using a ViroSeq HIV-1 Genotyping System. PCR products were analyzed with an ABI3500 GeneticAnalyzer (Ap-plied Biosystems). The sequencing of the HIV genome in the PR, RT, and integrase gene regions was carried out using MiSeq NGS technology. Drug resistance mutations and subtypes were inter-preted using the Stanford University HIV-1 drug resistance database. Results: Transmitted drug resistance (TDR) mutation was detected in 34/814 (4.1 %) samples. Non-nucleoside reverse transcriptase inhibitor (NNRTI), nucleoside reverse transcriptase inhibitor (NRTI), and protease inhibitor (PI) mutations were identified in 1.4 % (n =12), 2.4 % (n =20), and 0.3 % (n = 3) of samples, respectively. The most common subtypes were B (53.1 %), A (10.9%), CRF29_BF (10.6%), and B + CRF02_AG (8,2%). The most common TDR mutations were E138A (3.4%), T215 revertants (1.7%), M41L (1.5%), and K103N (1.1%). Conclusion: Transmitted drug resistance rate in the Aegean Region is compatible with national and regional data. Routine surveillance of resistance mutations may guide the safe and correct selection of initial drug combinations for antiretroviral therapy. The identification of HIV-1 subtypes and re-combinant forms in Turkey may contribute to international molecular epidemiological data. © 2023 Bentham Science Publishers.