Publications by authors named "Erdogan S"

Background: Nesfatin-1 is involved in cardiovascular regulation, stress-related responses. The objective of this study is to investigate the impact of volatile anesthetics on Nesfatin-1 levels.

Method: Fourty-two patients aged 30-65 years with the American Society Anesthesiology (ASA) Class I-II who were scheduled for laparoscopic cholecystectomy were included in the study Patients were randomized into two group; desflurane administered group (Group I, n = 21) and sevoflurane administered group (Group II, n = 21).

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Objective: Schizophrenia is a severe, debilitating mental disorder characterized by behavioral abnormalities. Although several studies have investigated the role of oxidative stress and the effects of antipsychotic drugs on oxidative markers in schizophrenia, adequate information is not available on these issues. The aim of this study is to determine the changes in oxidative status and thiol disulfide homeostasis in schizophrenic patients using atypical antipsychotic drugs.

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Introduction: Thoracic disc herniation is not as common as other disc herniations seen at other levels of spinal column. Th1-Th2 disc herniation is an extremely rare condition. Physical and cautious radiological examination is significantly important for diagnosis.

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Background: One of the most important factors in obtaining a successful outcome in spinal surgery is appropriate placement of the pedicle screw. A number of different techniques are used to achieve successful pedicle screw placement. The free-hand technique has the advantage of no requirement for radiation exposure, but its success is highly dependent on surgeon experience.

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Purpose: Androgen deprivation therapy (ADT) is one of the main strategies to treat prostate cancer (PCa) at various stages of its development. Androgen receptor (AR) antagonists such as enzalutamide are mainstay treatments for castration-sensitive prostate cancer. Though, a majority of patients initially respond to ADT, most will eventually progress to castrate-resistant, due to the development of different mutations on the AR.

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Introduction: The aim of this study is to investigate the association between childhood traumatic events and headache-related clinical parameters in migraine patients.

Methods: 95 patients diagnosed with migraine and 50 healthy controls were included in the study. A socio-demographic form, the Childhood Trauma Questionnaire (CTQ), the Beck Depression Inventory (BDI) and the Beck Anxiety Inventory (BAI) were completed by all participants.

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Aim: To evaluate the radiologic and clinical results of patients who underwent deformity correction and stabilization for congenital spinal deformities using pedicle screws after hemivertebra resection.

Material And Method: Nine patients, mean age 9.2, who underwent posterior hemivertebrectomy and transpedicular fixation for congenital spinal deformity and had longer than five years of follow-up were evaluated retrospectively.

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Sepsis and septic shock are important causes of morbidity and mortality in critically ill children. The goal of treatment is to ensure adequate mean arterial pressure to maintain organ perfusion. The growing number of instances of peripheral vascular hyporeactivity to catecholamines has necessitated the search for alternative vasopressors.

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The Chiari network is described as a reticulated network of fibers connected to the Eustachian valve identified as the embryological remnant of the right valve of the sinus venosus. It is an incidental finding without any significant pathophysiological consequences. However, the presence of the Chiari network in the right atrium obliges the physician to differentiate from other right atrial pathologies.

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Levetiracetam is a new antiepileptic drug. In addition to epilepsy, it is also used for treating anxiety disorders and dystonia as well as tardive dyskinesia associated with the use of levodopa and neuroleptic drugs. Phenytoin therapy in a 10-year-old boy with convulsions was discontinued following cardiac rhythm impairment.

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Şan ES, Erdoğan S, Boşnak M, Şan M. Hypophosphatemia associated risk factors in pediatric intensive care patients. Turk J Pediatr 2017; 59: 35-41.

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Objective: To evaluate early continence rates with a novel modified vesicourethral anastomosis technique based on prevention of urethral retraction using anastomosis sutures as stay sutures (PURS) during robot-assisted radical prostatectomy.

Materials And Methods: Sixty patients operated by a single surgeon were enrolled and data collected prospectively. This cohort was compared with another consecutive 60 patients operated with standard anastomosis.

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This research presents the first anatomical description of the tongue and lingual papillae of the mountain lion (puma). The tongues of three adult male pumas were used in this study. The tongues were dissected and studied firstly by gross and stereomicroscopy.

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Purpose: Although latissimus dorsi (LD) flaps are extensively used in a wide range of interventions, fetus studies on this subject are quite limited. This study aims to obtain detailed information about the morphometric features of LD, thoracodorsal artery (TDA) and nerve (TDN).

Methods: The study was carried out on both sides of 50 formalin-fixed human fetuses (22 male/28 female) with a mean gestational age of 24.

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Purpose: We aimed to (1) compare quality of life (QOL) among children with epilepsy, epilepsy and attention-deficit hyperactivity disorder (ADHD), and primary ADHD and (2) compare ADHD symptom dimensions and subtypes between children with epilepsy-ADHD and primary ADHD.

Methods: A total of 140 children; 53 with epilepsy, 35 with epilepsy-ADHD, and 52 with primary ADHD were included. KINDL-R (quality of life measure), Turgay DSM-IV Disruptive Behavior Disorders Rating Scale (T-DSM-IV-S), and Conners' Parent Rating Scale (CPRS) were completed.

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Ocular and ophthalmologic adverse effects may occur in patients with β-thalassemia major (BTM) treated regularly with blood transfusions and iron-chelating agents. We hypothesized that olfactory dysfunction may be present in this patient population. We aimed to investigate olfactory dysfunction in patients with BTM and to determine etiologic factors.

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PurposeIn the present study, we aimed to investigate the changes in plasma microRNA (miRNA) levels in premature infants diagnosed with premature retinopathy (ROP).Patients and methodsIn order to investigate the relationship of miRNAs with ROP, 13 premature infants admitted to Mersin University, Medical School, Department of Ophthalmology and diagnosed with ROP stage 3 with plus disease between January 2014-January 2015 were included in the study. Control group consisted of 15 premature infants with no ROP.

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Background: Midkine (MDK) is a tumor-promoting factor that is often overexpressed in various human carcinomas, and the role of MDK has not yet been fully investigated in prostate cancer stem cells.

Materials And Methods: Prostate cancer CD133 stem cells (PCSCs) were isolated from human castration-resistant PC3 cells. PCSCs were treated with different concentrations of MDK inhibitor, iMDK, for 24-72 hours.

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Background: The US preventive services task force (USPSTF) recently recommended that individuals aged 55-80 with heavy smoking history be annually screened by low-dose computed tomography (LDCT), thereby extending the stopping age from 74 to 80 compared to the national lung screening trial (NLST) entry criterion. This decision was made partly with model-based analyses from cancer intervention and surveillance modeling network (CISNET), which assumed perfect compliance to screening.

Methods: As part of CISNET, we developed a microsimulation model for lung cancer (LC) screening and calibrated and validated it using data from NLST and the prostate, lung, colorectal, and ovarian cancer screening trial (PLCO), respectively.

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Purpose: To assess the diagnostic accuracy of Ga-PSMA PET in predicting lymph node (LN) metastases in primary N staging in high-risk and very high-risk nonmetastatic prostate cancer in comparison with morphological imaging.

Methods: This was a multicentre trial of the Society of Urologic Oncology in Turkey in conjunction with the Nuclear Medicine Department of Cerrahpasa School of Medicine, Istanbul University. Patients were accrued from eight centres.

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Background: This research investigated the effects of the transport of blood samples between centers/laboratories by car on coagulation tests.

Methods: Five tubes of blood samples were taken from 20 healthy volunteers. The samples consisted of a baseline (control) group, centrifuged and noncentrifuged transported samples; centrifuged and noncentrifuged untransported samples.

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The purpose of this study was to examine the possible effect of extremely low-frequency electromagnetic fields (ELF-EMFs), from a high-voltage source, on rat teeth in terms of changes in trace elements (TEs) and the effect of antioxidants (melatonin [MLT] and [GL]) in counteracting these effects. We used adult male Wistar albino rats with a mean weight of 250-300 g and divided the rats into eight groups. The groups were subjected to an ELF-EMF that was applied with a high-voltage line for 8 hours/day for 26 days (Groups I, II, and III) or 52 days (Groups V, VI, and VII).

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Aims: Attention-deficit hyperactivity disorder (ADHD) is a frequent comorbidity in pediatric epilepsy. Although sleep problems are commonly reported in both children with primary ADHD and epilepsy, those with epilepsy-ADHD comorbidity have not been well studied. This study aimed to compare sleep problems among three groups of children: 1) children with epilepsy, 2) children with epilepsy and ADHD (epilepsy-ADHD), and 3) children with primary ADHD.

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