Ahmet Ozdemir

Dr. Ahmet Ozdemir

orcid

Research Focus & Metrics

Academic Career Length

12Years (2015-Present)

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

Representative Publications

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3 June 2016 in Current Eye Research
Verified
Journal Article
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LKLevent Korkmaz
Levent Korkmaz
OBOsman Baştuğ
Osman Baştuğ
AOAhmet Ozdemir
Ahmet Ozdemir
SKSabriye Korkut
Sabriye Korkut
CKCagatay Karaca
Cagatay Karaca
MOMehmet Ozturk
Mehmet Ozturk
Purpose: Retinopathy of Prematurity (ROP) is a proliferative vitreoretinopathy which is one of the most frequent causes of blindness in children. In an attempt to find a solution to this important problem in preterm children, the search for new, effective treatment modalities with fewer side effects is underway. In our study, which was planned for this reason, we aimed to investigate the effects of propranolol treatment applied to cases of ROP in various stages during the second phase (known as the neovascularization-hypoxia phase) and to determine the correlation of these effects with the platelet mass index (PMI). Method: A total of 171 preterm infants at risk of ROP were selected randomly for inclusion in the study. All of the patients were classified according to their stage of ROP and were divided into control and treatment groups. While the cases in the control group were administered physiological saline solution, those in the treatment group were administered propranolol in the period that corresponded to the second stage of the disease. The thrombocyte and PMI values in the first and second stages of each study group were recorded. Results: A significant difference was found between the control and treatment groups of the stage 2 ROP study subjects. In the stage 2 ROP study group, no significant difference was detected between the control and treatment cases in terms of platelet counts in phase 1 or in the PMI values and the thrombolytic counts in phase 2. On the other hand, in phase 2 of the stage 2 ROP study subjects significant differences were detected between the control and treatment group in terms of PMI values. Conclusion: In the study, it was found in the stage 2 ROP study group that propranolol reduced the need for laser photocoagulation significantly. Also, in parallel to the efficacy of propranolol in this study group, a decrease was observed in PMI values.

1 March 2019 in Journal of Clinical Research in Pediatric Endocrinology
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Journal Article
Open access
SKSelim Kurtoğlu
Selim Kurtoğlu
AOAhmet Ozdemir
Ahmet Ozdemir
NHNihal Hatipoglu
Nihal Hatipoglu
Hypopituitarism is defined as a decreased release of hypophyseal hormones, which may be caused by disease of the pituitary gland disease or hypothalamus. The clinical findings of neonatal hypopituitarism depend on the causes and on presence and extent of hormonal deficiency. Patients may be asymptomatic or may demonstrate non-specific symptoms, but may still be at risk for development of pituitary hormone deficiency over time. Patient history, physical examination, endocrinological, radiological and genetic evaluations are all important for early diagnosis and treatment. The aim of this paper was to present a review of etiological factors, clinical findings, diagnosis and treatment approaches in neonatal hypopituitarism.

1 April 2015 in Asia Pacific Allergy
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Journal Article
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AOAhmet Ozdemir
Ahmet Ozdemir
ŞBŞefika Elmas Bozdemir
Şefika Elmas Bozdemir
DADemet Akbiyik
Demet Akbiyik
GDGhania Daar
Ghania Daar
SKSabriye Korkut
Sabriye Korkut
OBOsman Baştuğ
Osman Baştuğ
Özdemir A, et al. Asia Pac Allergy. 2015 Apr;5(2):128-131. https://doi.org/10.5415/apallergy.2015.5.2.128

1 April 2020 in European Journal of Obstetrics & Gynecology and Reproductive Biology
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Journal Article
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MSMefkure Eraslan Sahin
Mefkure Eraslan Sahin
IMIlknur Col Madendag
Ilknur Col Madendag
ESErdem Sahin
Erdem Sahin
YMYusuf Madendag
Yusuf Madendag
GAGokhan Acmaz
Gokhan Acmaz
AOAhmet Ozdemir
Ahmet Ozdemir

1 August 2017 in Journal of Pediatric Hematology/Oncology
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Journal Article
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AOAhmet Ozdemir
Ahmet Ozdemir
TGTamer Gunes
Tamer Gunes
SCSamuel C.C. Chiang
Samuel C.C. Chiang
EUEkrem Unal
Ekrem Unal
Hemophagocytic lymphohistiocytosis (HLH) is characterized by activation of cytotoxic T and natural killer (NK) cells, and macrophages related to a spectrum of hyperinflammatory disorders. The clinical findings mainly include high fever, cytopenia, splenomegaly, phagocytosis, and proliferation of histiocytes in lymphoreticular tissue. To the best of our knowledge, transfusion-associated graft versus host disease (TA-GVHD) in a 13-day old male newborn with HLH is being reported first time in the literature. The aim of this report was to emphasize the importance of blood products irradiation in the prevention of the development of graft versus host disease especially among high-risk subjects such as newborns with HLH.

21 September 2023 in Nigerian Journal of Clinical Practice
Verified
Journal Article
Open access
AOAhmet Ozdemir
Ahmet Ozdemir
SKS Kurtoglu
S Kurtoglu
HHH Halis
H Halis
OBO Bastug
O Bastug
Background/Aim: Prolonged jaundice is one of the most common problems during neonatal period. The aim of this study was to evaluate the efficiency of ursodeoxycholic acid (UDCA) treatment in newborn infants with prolonged unconjugated hyperbilirubinemia. Materials and Methods: The present study included 27 patients who were fed by breast milk and followed up in the outpatient clinic due to prolonged jaundice without any underlying etiological factor; 10 mg/kg/day UDCA was administrated in two doses for 7 days. Furthermore, 20 newborns diagnosed with prolonged jaundice with same characteristics were enrolled as the control group. The control group was also given a placebo; demographic characteristics, liver functions tests before and after the treatment, bilirubin decrease rates, and hemogram parameters of groups were compared. Results: Total bilirubin levels in the study and control groups before the treatment were 16.02 ± 1.41 mg/dL and 15.93 ± 1.66 mg/dL, respectively (P = 0.84). Total bilirubin levels in the study and control groups at day 7 after UDCA treatment were detected 8.18 ± 2.31 mg/dL and 13.92 ± 2.66 mg/dL, respectively (P < 0.001), and at day 14 after the treatment were 5.45 ± 2.59 mg/dL and 11.91 ± 2.83 mg/dL, respectively (P < 0.001). Furthermore, serum aspartate aminotransferase (AST) was detected <21 U/L in the ROC analysis after UDCA treatment (P = 0.04). Conclusion: The study outcomes indicated that an efficient reduction in total bilirubin levels may be achieved, and outpatient clinic follow-up period may be reduced in patients whom UDCA was administrated. Moreover, it may be speculated that AST can be used to evaluate the efficacy after treatment. However, studies with larger sample sizes are needed for the routine use of UDCA in the treatment of prolonged jaundice.