Person:
YURTSEVER, İSMAİL

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İSMAİL
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YURTSEVER
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Now showing 1 - 10 of 31
  • PublicationMetadata only
    Relationship between KRAS mutation and diffusion weighted imaging in colorectal liver metastases; Preliminary study.
    (2020-02-25T00:00:00Z) Türk, HM; Gültekin, MEHMET ALİ; Uysal, Ö; Beşiroğlu, M; Yilmaz, TF; Yurtsever, I; GÜLTEKİN, MEHMET ALİ; TÜRK, HACI MEHMET; TOPRAK, HÜSEYİN; YURTSEVER, İSMAİL; YILMAZ, TEMEL FATİH; SHARIFOV, RASUL; UYSAL, ÖMER
    Purpose: We aimed to investigate whether there are any differences in apparent diffusion coefficient (ADC) values obtained from colorectal liver metastases (CRLM) according to Kirsten rat sarcoma (KRAS) gene mutation status.
  • PublicationMetadata only
    Radiosurgery, Gamma Knife Radiosurgery, Vestibular schwannomas, tumor volume, Diffusion Tensor Imaging, Apparent diffusion coefficient.
    (2021-11-01T00:00:00Z) Kaya, Ahmet; Çeşme, Dilek Hacer; Yurtsever, İsmail; Sarı, Lütfullah; Alkan, Gökberk; Seyithanoglu, Mehmet Hakan; KAYA, AHMET; YURTSEVER, İSMAİL
  • PublicationMetadata only
    Anevrizmatik subaraknoid kanama sonrası prognostik faktör olarak platelet volüm indeksinin değerlendirilmesi
    (2019-09-01) Dündar, Tolga Turan; DÜNDAR, TOLGA TURAN; KİTİŞ, SERKAN; YURTSEVER, İSMAİL
  • PublicationMetadata only
    Meme kanseri beyin metastazlarının moleküler subgruplarının difüzyon tensor görüntüleme ile değerlendirilmesi
    (2019-04-27T00:00:00Z) Yurtsever, İsmail; Gültekin, Mehmet Ali; Yılmaz, Temel Fatih; Türk, Hacı Mehmet; Alkan, Alpay; YURTSEVER, İSMAİL; GÜLTEKİN, MEHMET ALİ; YILMAZ, TEMEL FATİH; TÜRK, HACI MEHMET; ALKAN, ALPAY
  • PublicationMetadata only
    Akciğer kanserli olgularda intrakranial metastazlarının primer hücre tipinin belirlenmesinde DTG’nin etkinliği
    (2018-11-10T00:00:00Z) Bilgin, Mehmet; Yurtsever, İsmail; Türk, Hacı Mehmet; Alkan, Alpay; BİLGİN, MEHMET; YURTSEVER, İSMAİL; TÜRK, HACI MEHMET; ALKAN, ALPAY
  • PublicationMetadata only
    Primary diffuse leptomeningeal gliomatosis
    (2016-01-01) Çetinkaya, EZRA; ARALAŞMAK, AYŞE; TOPRAK, HÜSEYİN; YILDIZ, ŞEYMA; YURTSEVER, İSMAİL; ALKAN, ALPAY; ÇETİNKAYA, EZRA; ARALAŞMAK, AYŞE; TOPRAK, HÜSEYİN; YILDIZ, ŞEYMA; YURTSEVER, İSMAİL; ALKAN, ALPAY
  • PublicationMetadata only
    Development of Antiarrhythmic Therapy-Resistant Ventricular Tachycardia, Ventricular Fibrillation, and Premature Ventricular Contractions in a 15-Year-Old Patient
    (2020-09-01T00:00:00Z) Yozgat, Can Yilmaz; YEŞİLBAŞ, Osman; İŞCAN, AKIN; YURTSEVER, İsmail; OTÇU TEMUR, Hafize; BAYRAMOVA, NİGAR; ERGÜN, GÖKÇE; TEKİN, NUR; YOZGAT, Yılmaz; YEŞİLBAŞ, OSMAN; İŞCAN, AKIN; YURTSEVER, İSMAİL; OTÇU TEMUR, HAFİZE; BAYRAMOVA, NİGAR; ERGÜN, GÖKÇE; TEKİN, NUR; YOZGAT, YILMAZ
    Sudden cardiac arrest (SCA) is the sudden cessation of regular cardiac activity so that the victim becomes unresponsive, with no signs of circulation and no normal breathing. Asystole, ventricular tachycardia (VT), ventricular fibrillation (VF), and pulseless electrical activity are the underlying rhythm disturbances in the pediatric age group. If appropriate interventions (cardiopulmonary resuscitation-CPR and/or defibrillation or cardioversion) are not performed rapidly, this condition progresses to sudden death. There have not been many reported cases of the approach and treatment of cardiac arrhythmias after SCA. Herein, we would like to report a case of a 15-year-old female patient with dilated cardiomyopathy (DCM) who was admitted to our clinic a year ago, and while her left ventricular systolic functions were improved, SCA suddenly occurred. Since the SCA event occurred in another city, intravenous treatment of amiodarone was done immediately and was switch to continuous infusion dose of amiodarone until the patient arrived at our institution-s pediatric intensive care unit (PICU) 3hours later. During the patient-s 20-day PICU hospitalization, she developed pulseless VT and VF from time to time. The patient-s pulseless VT and VF attacks were brought under control by the use of a defibrillator and added antiarrhythmic drugs (amiodarone, flecainide, esmolol, and propafenone). Intriguingly, therapy-resistance bigeminy with premature ventricular contractions (PVCs) continued despite all these treatments. The patient did not have adequate blood pressure measured by invasive arterial blood pressure monitoring while having bigeminy PVCs. The intermittent bigeminy PVCs ameliorated rapidly after intermittent boluses of lidocaine. In the end, multiple antiarrhythmic therapies and intermittent bolus lidocaine doses were enough to bring her cardiac arrhythmias after SCA under control. This case illustrates that malign PVC-s should be taken very seriously, since they may predispose to the development of VT or VF. Also, this case highlights the importance of close vigilance of arterial pressure tracings of patients with bigeminy PVCs which develop after SCA and should not be accepted as normal.
  • PublicationMetadata only
    Correlation Between DTI Findings and Volume of Corpus Callosum in Children with Autism
    (2019-01-01T00:00:00Z) Temur, Hafize Otcu; YURTSEVER, İSMAİL; YEŞİL, GÖZDE; SHARIFOV, RASUL; Yilmaz, Fatih Temel; DÜNDAR, TOLGA TURAN; ALKAN, ALPAY; YURTSEVER, İSMAİL; YEŞİL, GÖZDE; SHARIFOV, RASUL; YILMAZ, TEMEL FATİH; DÜNDAR, TOLGA TURAN; ALKAN, ALPAY
    Background: Autism Spectrum Disorder (ASD) is a complex developmental disorder in which neurological basis is largely unknown. The Corpus Callosum (CC) is the main commissure that connects the cerebral hemispheres. Previous evidence suggests the involvement of the CC in the pathophysiology of autism.
  • PublicationMetadata only
    CA 19-9 Eksprese Etmeyen Pankreaatik Duktal adenokarsinom Tanılı Hastaların Demografik Özellikleri
    (2021-11-21T00:00:00Z) Köker, İbrahim Hakkı; Yurtsever, İsmail; Şentürk, Hakan; KÖKER, İBRAHİM HAKKI; YURTSEVER, İSMAİL; ŞENTÜRK, HAKAN
  • PublicationMetadata only
    Magnetic Resonance Spectroscopy Features of the Visual Pathways in Patients with Glaucoma.
    (2018-10-05) Aksoy, DÖ; Umurhan, Akkan; Alkan, ALPAY; Yurtsever, İ; Otçu, Temur; ALKAN, ALPAY; YURTSEVER, İSMAİL
    PurposeThe aim of the study was to investigate any metabolic changes on magnetic resonance spectroscopy (MRS) throughout the visual pathway of the brain in patients with glaucoma and a control group and correlate the results with clinical findings.Material and MethodsA total of 87 patients were enrolled in the study, 30 healthy controls, 25 glaucoma, 16 suspected glaucoma (GS) and 16 ocular hypertension (OHT) patients. A single voxel MRS on TE 30ms was performed by placing the volume of interest (VOI) on the corpus geniculatum laterale (CGL) and primary visual cortex (VC). Peak values of metabolites, such as N-acetyl aspartate (NAA), creatine (Cr), choline (Cho) and Myo-inositol (Ins) were investigated on MRS. The MRS results were correlated with age, intraocular pressure (IOP), retinal nerve fiber length (RNFL), mean deviation (MD) and cup disk ratio (CD).ResultsThe NAA values obtained from the CGL in glaucoma and GS cases were lower than the healthy control group. The Cho values at CGL in glaucoma were lower than GS and controls. There was a negative correlation between NAA values of the VC and CD in glaucoma cases. Additionally, there was a negative correlation between age and RNFL in both glaucoma and GS cases.ConclusionThe use of MRS can reveal neurodegeneration in CGL and VC in patients with glaucoma. Depiction of metabolic changes throughout the visual pathways via MRS will guide the treatment planning and follow-up in glaucoma and GS cases.