Ayşın Zeytinoğlu

Prof. Dr. Ayşın Zeytinoğlu

orcid

Research Focus & Metrics

Academic Career Length

21Years (2006-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 January 2006 in Clinical Chemistry and Laboratory Medicine (CCLM)
Verified
Journal Article
Closed access
AZAyşın Zeytinoğlu
Ayşın Zeytinoğlu
ATAjda Turhan
Ajda Turhan
İAİmre Altuğlu
İmre Altuğlu
ABAltınay Bilgiç
Altınay Bilgiç
TATheresia H. Abdoel
Theresia H. Abdoel
HSHenk L. Smits
Henk L. Smits
The diagnostic value of Brucella IgM/IgG flow assays was evaluated in comparison with serum agglutination and 2-mercaptoethanol tests by testing a selection of serum samples submitted to the laboratory because of clinical suspicion of brucellosis. All 39 admission and 11 follow-up samples that agglutinated in the serum agglutination test tested positive in the flow assay, whereas all 20 serum agglutination negative samples with clinical suspicion of brucellosis, 23 control samples from healthy individuals and 20 control samples from cases with chronic hepatitis tested negative in the flow assay. The Brucella IgM and IgG flow assays were slightly more sensitive than the agglutination tests in discriminating between specific IgM and IgG antibodies. The Brucella IgM and IgG flow assays are easy-to-perform and quick assays that can be used for the diagnosis of brucellosis. The flow assays are very useful, especially in rural settings where brucellosis is widespread and where well-equipped laboratories to perform the laboratory tests are not readily available.

15 April 2017 in Mikrobiyoloji Bulteni
Verified
Journal Article
Closed access
AZAyşın Zeytinoğlu
Ayşın Zeytinoğlu
SESelda Erensoy
Selda Erensoy
RSRüçhan Sertöz
Rüçhan Sertöz
IAİmre Altuğlu
İmre Altuğlu
CÇCandan Çi̇çek
Candan Çi̇çek
ŞTŞafak Taner
Şafak Taner

15 December 2020 in Turkish Journal of Gastroenterology
Verified
Journal Article
Closed access
TYTansu Yamazhan
Tansu Yamazhan
CACansu Bulut Avşar
Cansu Bulut Avşar
MZMurat Zeytunlu
Murat Zeytunlu
MTMeltem Taşbakan
Meltem Taşbakan
SSSaziye Ruchan Sertoz
Saziye Ruchan Sertoz
ZKZeki Karasu
Zeki Karasu
Background/Aims: Despite surgical advances in liver transplantation and effective prophylactic strategies, posttransplant infections are the most important cause of morbidity and mortality. Diagnosis and management of infections because of developing immunosuppression is difficult and adversely affects mortality. This study aimed to review bacterial and fungal infections in patients after liver transplantation and to reveal the resistance rates. Materials and Methods: A total of 107 patients who underwent liver transplantation between January 2017 and February 2018 were evaluated retrospectively with regard to demographic characteristics, causes of transplantation, conditions that may lead to infection, postoperative infections, pathogens, and resistance patterns. Results: Of the 107 patients who underwent liver transplantation, 48 (44.8%) had an infection. Bacterial infections were detected in 41% of the patients, and fungal infections were found in 13%. When we compared living and cadaveric transplants in terms of infection development, these rates were found to be 53% and 33%, respectively (p=0.034). No statistically significant results could be obtained when evaluating conditions such as sex, presence of underlying primary disease, Model for End-Stage Liver Disease MELD score, diabetes status, total parenteral nutrition, and risk factors for infection. Conclusion: After liver transplantation, infections are often seen in the first month of the postoperative period. Knowing the most common pathogens and resistance states in this process reduces infection-related deaths by providing appropriate treatment regimens at the right time.

15 January 2022 in Turkish Journal of Gastroenterology
Verified
Journal Article
Open access
SÖSeval Öğüt
Seval Öğüt
ASArzu Sayıner
Arzu Sayıner
BOBarış Otlu
Barış Otlu
GBGülendam Bozdayı
Gülendam Bozdayı
AZAyşın Zeytinoğlu
Ayşın Zeytinoğlu
MAMurat Aysin
Murat Aysin
Background: Hepatitis E virus is a re-emerging pathogen with an increase in human cases that can lead to chronic infection in immunosuppressed patients. Turkey is located between Asia and Europe, 2 regions with distinct epidemiological and clinical features of hepatitis E virus infection. This multicenter cross-sectional study aimed to investigate the prevalence of hepatitis E virus infection in liver and kidney transplant recipients in Turkey and to determine the role of possible transmission factors. Methods: A total of 485 plasma samples of solid organ recipients were collected from 7 transplantation centers in Turkey. Samples were tested for anti-hepatitis E virus immunoglobin M, immunoglobin G, and hepatitis E virus ribonucleic acid. Water- and food-related risk factors were evaluated by a questionnaire. Results: Samples of 300 kidney and 185 liver recipients were collected. Hepatitis E virus ribonucleic acid was tested in 472 samples and none were positive. Anti-hepatitis E virus immunoglobin G and immunoglobin M were detected in 84 (17.3%) and 3 (0.6%) patients, respectively. Seropositivity was associated with older age, male gender, being a liver recipient, and being infected with hepatitis B virus and/or hepatitis C virus. None of the patients under the age of 30 were seropositive. Hepatitis E virus immunoglobin G prevalence was higher in the Central East and Southeast Anatolia. Eating raw meat was the only independent variable associated with hepatitis E virus seropositivity. Conclusion: This is the first prevalence study of hepatitis E virus infection in solid organ recipients in Turkey. Anti-hepatitis E virus immunoglobin G prevalence was 17.3% which was higher than the previously reported rate in blood donors. Seropositivity was significantly higher in liver recipients. Despite the high antibody prevalence, none of the patients were viremic.

31 March 2008 in Journal of Virological Methods
Verified
Journal Article
Closed access
AZAyşın Zeytinoğlu
Ayşın Zeytinoğlu
IAImre Altuglu
Imre Altuglu
EKEylem Karatas
Eylem Karatas
RSRuchan Yazan Sertoz
Ruchan Yazan Sertoz

1 October 2007
Verified
Journal Article
Closed access
IAImre Altuglu
Imre Altuglu
HBHale Bozkurt
Hale Bozkurt
PSPinar Samlioglu
Pinar Samlioglu
AZAyşın Zeytinoğlu
Ayşın Zeytinoğlu