Browsing by Author "Geylan, H."

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Effects of Hemarthrosis on Postural Balance in Children With Hemophilia a
(Wiley, 2018) Karaman, K.; Kaplan, S.; Cetin, M.; Geylan, H.; Sahin, A. Yasar; Arslan, O.; Oner, A. F.
Evaluation of the Causes of Early and Late Thrombocytopenia in the Newborn
(OrtadogÂ u Reklam Tanitim Yayincilik Turizm Egitim Insaat Sanayi ve Ticaret A.S., 2018) Karaman, K.; Demir, N.; Çetin, M.; Geylan, H.; Değer, İ.; Başaranoğlu, M.; Öner, A.F.
Objective: Thrombocytopenia is the most common hematological disorder that is encountered in the neonatal intensive care unit (NICU). The incidence of thrombocytopenia in neonates may varies greatly depending upon admitted patients population of unit. This study was performed on neonates admitted to Yuzuncu Yil University of Dursun Odabaş Medical Center of NICU, the incidence and causes of thrombocytopenia. Material and Methods: This retrospective study was conducted on the medical records of all neonates hospitalized at our hospital between May 2012 and March 2015 and those with thrombocytopenia were included in the study. The laboratory results of these newborns were retrospectively screened from the computer program and files, and included in the study were those with a thrombocytopenia level of less than 150.000/μL. Results: About 2780 patients were admitted to our neonatal intensive care unit during the study period. Of the 2780 neonates, 117 (4.2%) had thrombocytopenia (60.7% early onset and 39.3% late onset). Seventy-two of them (61.5%) were preterm. Intrauterine growth restriction, maternal hypertension, respiratory distress syndrome and sepsis were more common causes. Severe thrombocytopenia (<50.000/µL rate was found in 27% of neonates. In addition, although the rate of thrombocytopenia in asfixia was reported in the literature as 12-14%, this rate was 6.8% in our cases. There was no relation between occurrence of thrombocytopenia and gender. Conclusion: This study reveals that the causes of neonatal thrombocytopenia may show variations. In our study, intrauterine growth restriction, maternal hypertension, respiratory distress syndrome, and sepsis seem to be important risk factors for thrombocytopenia in neonates. Copyright © 2018 by Türkiye Klinikleri.
Identification of Three Novel Pathogenic Itga2b and One Novel Pathogenic Itgb3 Mutations in Patients With Hereditary Glanzmann's Thrombasthenia Living in Eastern Turkey
(Wiley, 2020) Karaman, K.; Yurekturk, E.; Geylan, H.; Yasar, A. S.; Karaman, S.; Cetin, M.; Oner, A. F.
Two Cases With Familial Hemophagocytic Lymphohistiocytosis
(OrtadogÂ u Reklam Tanitim Yayincilik Turizm Egitim Insaat Sanayi ve Ticaret A.S., 2018) Geylan, H.; Karaman, K.; Çetin, M.
Hemophagocytic lymphohistiocytosis (HLH) is a fatal condition of severe hyperin-flammation that results from an uncontrolled proliferation of activated lymphocytes and histiocytes secreting high amounts of inflammatory cytokines. The perforin gene mutation was the first genetic deffect to be described in association with HLH. HLH is a distinct clinical entity characterized by fever, pancytopenia, splenomegaly and hemophagocytosis in bone marrow, liver or lymph nodes. We present phenotypical and labaratory description of two patients with familial HLH. The diagnosis of HLH was made according to the guidelines of the Histiocyte Society. Fever was present in two patients with hemophagocytic lymphohistiocytosis. The other most common symptoms were malaise and weight loss. Hepatosplenomegaly was present in two patients. Hemophagocytosis was documented in bone marrow examinations of two cases. Thrombocytopenia, neutropenia, hypertriglyceridemia and hyperferritinemia were found in two patients. Genetic analysis of the patients were performed, with the coding region of the perforin gene. Our cases had perforin gene muatation. HLH is a rare but mortal disease when not treated on time. Awareness of clinical symptoms and diagnostic criteria of HLH, initiation of early immunosuppressive treatment; life-saving as well as allowing for stem cell transplantation. © 2018 by Türkiye Klinikleri.