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TURGUT, SEDA

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TURGUT
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SEDA
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Now showing 1 - 10 of 20
  • Publication
    Open Access
    Effects of Weight Loss with Bariatric Surgery on Platelet Count and Volume
    (2018-07-01) Ilhan, Muzaffer; KARAMAN, ÖZCAN; Yasin, Ayse Irem; TURGUT, SEDA; TAŞAN, ERTUĞRUL; KARAMAN, ÖZCAN; YASİN, AYŞE İREM; TURGUT, SEDA; TAŞAN, ERTUĞRUL
    Objective: Obesity is a chronic metabolic disorder that leads to the increased risk of cardiovascular diseases. This study aims to investigate the effect of weight loss on the platelet count and volume, which is associated with cardiovascular diseases.
  • Publication
    Metadata only
    A novel AVP gene mutation in a Turkish family with neurohypophyseal diabetes insipidus
    (2016-03-01) Ilhan, MAHMUT MUZAFFER; Tiryakioglu, N. O.; KARAMAN, O.; Coskunpinar, E.; YILDIZ, R. S.; TURGUT, SEDA; Tiryakioglu, D.; TOPRAK, HÜSEYİN; TASAN, ERTUĞRUL; İLHAN, MAHMUT MUZAFFER; KARAMAN, ÖZCAN; TURGUT, SEDA; TOPRAK, HÜSEYİN; TAŞAN, ERTUĞRUL
    Purpose Familial neurohypophyseal diabetes insipidus (FNDI) is a rare, autosomal dominant, inherited disorder which is characterized by severe polydipsia and polyuria generally presenting in early childhood. In the present study, we aimed to analyze the AVP gene in a Turkish family with FNDI.
  • Publication
    Metadata only
    Preoperative therapeutic plasma exchange for severe hyperthyroidism in a patient with peptic ulcer perforation
    (2014-10-15) TURGUT, SEDA; ÖZKAN, TUBA; ISMAYILOVA, MEDINA; CENGİZ, MERVE; İLHAN, MAHMUT MUZAFFER; ÇETİN, GÜVEN; TURGUT, SEDA; İLHAN, MAHMUT MUZAFFER; ÇETİN, GÜVEN
  • Publication
    Open Access
    The assessment of total antioxidant capacity and superoxide dismutase levels, and the possible role of manganese superoxide dismutase polymorphism in acromegaly.
    (2018-01-30) ILHAN, MAHMUT MUZAFFER; Turgut, SEDA; TURAN, S; Demirci, Cekic; ERGEN, HA; Korkmaz, Dursun; MEZANI, B; KARAMAN, O; YAYLIM, I; APAK, MR; TASAN, ERTUĞRUL; İLHAN, MAHMUT MUZAFFER; TURGUT, SEDA; KARAMAN, ÖZCAN; TAŞAN, ERTUĞRUL
    Oxidative status is attributed to endothelial dysfunction and might be one of the key mechanisms of endothelial dysfunction in acromegaly. In this study, we aimed to investigate the effect of acromegaly on superoxide dismutase (SOD) and total antioxidant capacity (TAC) levels, and the possible influence of human manganese superoxide dismutase (MnSOD) polymorphism on these levels. 51 acromegaly patients and 57 age and sex matched healthy subjects were recruited to the study in Bezmialem Vakif University Hospital between 2011 and 2014. The median SOD and TAC levels were 42.7 (33-60) pg/mL and 1,313.7 (155-1,902) μM in acromegaly; and 46.3 (38-95) pg/mL and 1,607.3 (195-1,981) μM in healthy subjects (p < 0.001, p < 0.001). SOD levels were decreased in controlled and uncontrolled patients compared to healthy subjects (p = 0.05 and p = 0.002, respectively). Controlled and uncontrolled acromegaly displayed significantly decreased levels of TAC compared to healthy subjects (p < 0.05 and p < 0.001, respectively). SOD levels were not associated with MnSOD polymorphisms in acromegaly. In conclusion, this study showed that acromegaly was associated with decreased levels of SOD and TAC, and controlling the disease activity could not adequately improve these levels.
  • Publication
    Open Access
    DOES GRAVES- DISEASE AFFECT ESOPHAGEAL MOTILITY?
    (2018-07-01) Senturk, H; Karaman, Ö; İlhan, M; Turgut, SEDA; Arabaci, E; Taşan, E; TURGUT, SEDA; ŞENTÜRK, HAKAN
    Context: The gastrointestinal tract is one of the most affected systems in hyperthyroidism. Although thyrotoxicosis is thought to be associated with gastrointestinal dysmotility, there are limited studies focused on motility disorders in hyperthyroidism. Objectives: We aimed to investigate the manometric measurements to determine if esophageal motility is affected in Graves' disease. Materials and methods: Thirty patients with Graves' disease (18 female and 12 male) and 30, age and sex matched, healthy controls (22 female and 8 male) were recruited to the study between 2015 and 2016. Esophageal manometry was performed using MMS (Medical Measurement Systems bv. The Netherlands) Solar GI - Air Charged Intelligent Gastrointestinal Conventional Manometry. Results: The mean lower esophageal sphincter pressure (LESP) was 16.9 ± 5.3 mmHg in hyperthyroid patients and 20.1 ± 8.8 mmHg in the control group and there was no significant difference (p>0.05). It was observed that the duration of contraction was 3.9 ± 0.7 s in healthy subjects and, significantly shorter 3.2 ± 0.5 s in hyperthyroid patients (p<0.001). Duration of contraction was negatively correlated with TSH receptor Ab titer in patients (p=0.006, r= -0.48). Also, it was observed that the duration of relaxation was negatively correlated with fT4 levels in the patient group (p<0.05, r= -0.46). Conclusion: In this study, we observed that esophageal motility can be affected via shortened duration of contraction in Graves' disease. The gastrointestinal symptoms due to possible motility dysfunctions should be considered in the evaluation of hyperthyroid patients.
  • Publication
    Metadata only
    Does DRD2 polymorphism influence the clinical characteristics of prolactinoma?
    (2015-10-01) Ilhan, MAHMUT MUZAFFER; Kahraman, Ozlem Timirci; Turan, Saime; Turgut, SEDA; Karaman, Ozcan; Zeybek, Umit; SHUKUROV, Samir; Yaylim, Ilhan; Tasan, ERTUĞRUL; İLHAN, MAHMUT MUZAFFER; TURGUT, SEDA; KARAMAN, ÖZCAN; TAŞAN, ERTUĞRUL
    Objectives. - Genetic alterations explaining the clinical variability of prolactinomas still could not be clarified and dopamine D2 receptor (DRD2) polymorphism is a putative candidate for the variable response to dopaminergic treatment. The present study was conducted to investigate the influence of DRD2 TaqI A polymorphism on initial and follow-up characteristics of prolactinoma. Patients and methods. - Seventy-two patients with prolactinoma and 98 age and gender matched control subjects were recruited to the case-control study. Serum prolactin levels were assessed by enzyme-linked immunosorbent assay and DRD2 polymorphism was determined by polymerase chain reaction and restriction length polymorphism analysis. Results. - Decrease of prolactin levels and the tumor shrinkage after cabergoline treatment were 93.9 +/- 5.9% and 58.3 +/- 33.1% in microadenomas and 96.1 +/- 6.1% and 51.7 +/- 29.3 in macroadenomas (P = 0.02 and P > 0.05, respectively). We observed no significant difference for DRD2 genotypes and the alleles between the patients and healthy group (P > 0.05). Prolactin levels before treatment were correlated with tumor diameter before and after treatment and the percentage of prolactin decrease with treatment (P 0.05). Conclusion. - This study revealed that DRD2 TaqI A receptor polymorphism was not associated with the development of prolactinoma and its clinical characteristics. Future studies are needed to clarify the clinical implications of genetic alterations in prolactinoma. (C) 2015 Elsevier Masson SAS. All rights reserved.
  • Publication
    Open Access
    Investigation of the Vitamin D Receptor Polymorphisms in Acromegaly Patients
    (2015-01-01) Ilhan, MAHMUT MUZAFFER; TOPTAS-HEKIMOGLU, Bahar; YAYLIM, Ilhan; Turgut, SEDA; TURAN, Saime; Karaman, Ozcan; Tasan, ERTUĞRUL; İLHAN, MAHMUT MUZAFFER; TURGUT, SEDA; KARAMAN, ÖZCAN; TAŞAN, ERTUĞRUL
    Objective. The genetic structural alterations in the majority of somatotroph adenomas are not clarified and the search for novel candidate genes is still a challenge.We aimed to investigate possible associations between vitamin D receptor (VDR) polymorphisms and acromegaly. Design, Patients, and Methods. 52 acromegaly patients (mean age 45.7 ± 1.9 years) and 83 controls (mean age 43.1 ± 2.6 years) were recruited to the study. VDR polymorphism was determined by polymerase chain reaction-based restriction fragment length polymorphism methods. Results. The distribution of VDR genotypes showed a significant difference in the frequencies of VDR FokI genotypes between patients and controls (𝑃 = 0.034). VDR FokI ff genotype was significantly decreased in acromegaly patients (𝑃 = 0.035) and carriers of FokI Ff genotype had a 1.5-fold increased risk for acromegaly (OR: 1.5, 95% CI: 1.07–2.1; 𝑃 = 0.020). IGF1 levels after treatment were significantly higher in patients carrying the Ff genotype compared to carrying ff genotype (𝑃 = 0.0049). 25(OH)D3 levels were significantly lower in acromegaly patients (𝑃 < 0.001). Conclusions. Our study suggests that VDR FokI genotypes might affect the development of acromegaly and VDR polymorphisms may play a role in the course of acromegaly as a consequence of altering hormonal status.
  • Publication
    Metadata only
    DO WE REALLY TREAT ESSENTIAL THROMBOCYTHEMIA? A CLINICAL TRIAL OF 148 PATIENTS WITH ET
    (2014-10-01) ÇETİN, GÜVEN; Ozkan, T.; TURGUT, SEDA; Cevirme, N.; Hamdard, J.; Ayer, M.; Ekinci, S.; DAE, SHUTE AILIA; Ismayilova, M.; Gultepe, I.; Cikrikcioglu, M.; ÇETİN, GÜVEN; TURGUT, SEDA; ÇEVİRME, NİDAL; DAE, SHUTE AıLıA; ISMAYILOVA, MADINA
  • Publication
    Metadata only
    Esophagus motility in overt hypothyroidism
    (2014-07-01) Ilhan, MAHMUT MUZAFFER; Arabaci, ELİF; Turgut, SEDA; Karaman, Ozcan; DANALIOGLU, Ahmet; Tasan, ERTUĞRUL; İLHAN, MAHMUT MUZAFFER; ARABACI, ELİF; TURGUT, SEDA; KARAMAN, ÖZCAN; TAŞAN, ERTUĞRUL
    Purpose Gastrointestinal tract is one of the most affected systems in hypothyroidism. Despite decreased esophageal emptying, prolonged esophageal and gastric transit time have been indicated in previous reports, the mechanism of thyroid hormones activity and antibodies on the esophagus motility is not yet fully understood. This study was conducted to evaluate the esophagus motility by manometry in hypothyroid patients.
  • Publication
    Metadata only
    Primer hiperparatiroidi cerrahisi sonrası osteoporozda dramatik düzelme
    (2014-03-15) İLHAN, MAHMUT MUZAFFER; KARAMAN, ÖZCAN; BAĞ SOYTAŞ, RABİA; TURGUT, SEDA; BÜYÜKKABA, MİTAT; TAŞAN, ERTUĞRUL; İLHAN, MAHMUT MUZAFFER; KARAMAN, ÖZCAN; TURGUT, SEDA; TAŞAN, ERTUĞRUL