Browsing by Author "Katar, Salim"
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AGR2 gene expression in glioblastoma: A novel molecular potential target for diagnosis and treatment
Adilay, Hüseyin Utku; Evran, Şevket; Katar, Salim; Özdemir, Ahmet; Kayhan, Ahmet; Avcıkurt, Ayla Solmaz; Günaldı, Ömür; Güçlü, Bülent; Tanrıverdi, Osman (Turkish Neurosurgical Society, 2023)AIM: To assess anterior gradient protein 2 (AGR2) gene expression in patients with human glioblastoma (GBM) in comparison to levels in healthy brain tissues. MATERIAL and METHODS: We evaluated the expression levels of AGR2 ... -
Can endoscopic lumbar discectomy videos shared on youtube be used as patient education tools? A quality control study
Erken, Hüseyin Yener; Katar, Salim (Galenos Publishing House, 2020)Objective: Today, the internet is the initial resource of health information for people who are worried about their health condition. For this reason, it is crucial to clarify the reliability and content correctness of ... -
Comparison of radiofrequency thermocoagulation alone with radiofrequency thermocoagulation and steroid injection in combination for the treatment of lower back pain
Şahin, Balkan; Katar, Salim; Adılay, Utku; Aydın, İlhan; Üçer, Melih (Ali Cangül, 2022)Objective: Lower back pain is the most common disease of the musculoskeletal system. Analgesics, myorelaxant drugs, bed rest, physical therapy, and conventional treatments are first-line treatments for lower back pain. ... -
Comparison of Radiofrequency Thermocoagulation Alone with Radiofrequency Thermocoagulation and Steroid Injection in Combination for the Treatment of Lower Back Pain
Objective: Lower back pain is the most common disease of the musculoskeletal system. Analgesics, myorelaxant drugs, bed rest, physical therapy, and conventional treatments are first-line treatments for lower back pain. In ... -
Effect of antithrombotic therapy on development of acute subdural hematoma after burr hole drainage of chronic subdural hematoma
Yüksel, Mehmet Onur; Çevik, Serdar; Erdogan, Barış; Tunçkale, Tamer; Katar, Salim; Işık, Semra; Çalışkan, Tezcan; Evran, Şevket (Turkish Neurosurgical Soc, 2020)AIM: To evaluate the relationship between the time from cessation of anticoagulant/antiplatelet medication to surgery and risk of postoperative acute subdural hematoma (ASDH) after burr hole drainage of chronic subdural ... -
The effectiveness of the amount of polymethylmethacrylate used in the treatment of lumbar osteoporotic compression fractures
Yüksel, Mehmet Onur; Çevik, Serdar; Erdoğan, Barış; Katar, Salim; Tunçkale, Tamer; Çalışkan, Tezcan; Evran, Şevket (Galenos, 2020)Objective: We aimed to investigate the effectiveness of the amount of polymethylmethacrylate used in pain control and maintenance of long-term vertebra corpus height in patients undergoing percutaneous vertebroplasty due ... -
The evaluation of survivin and Bcl-2 expression on the medical radiation doses for neural tube defect development
Adilay, Hüseyin Utku; Katar, Salim; Güçlü, Bülent; Taşkapılıoğlu, Mevlut Özgür; Altun, Eren; Özdek, Recep; Tiryaki, Mehmet; Bekar, Ahmet (Turkish Neurosurgical Soc, 2021)AIM: To investigate the effects of different radiation doses on the development of the neural tube defect in chick embryos using computed tomography (CT), and assess its correlation with survivin and Bcl-2 expressions. MATERIAL ... -
Evaluation of the effectiveness of transforaminal epidural steroid injection in far lateral lumbar disc herniations
Evran, Şevket; Katar, Salim (Literatura Medica, 2021)Background and purpose - Far lateral lumbar disc herniations (FLDH) consist approximately 0.7-12% of all lum-bar disc herniations. Compared to the more common central and paramedian lumbar disc herniations, they cause more ... -
Expression of miRNA-451 and miRNA-885 in Meningiomas
Baran, Özgür; Karaoğlu, Adil Can; Kara, Erdoğan; Budun, Orhan; Katar, Salim; Yılmaz, Seda Güleç; Akdeniz, Fatma Tuba; Ambarcıoğlu, Mehmet Akif; Demirel, Nail (Int Inst Anticancer Research, 2023)Background/Aim: Meningiomas are one of the most common intracranial tumors, accounting for 30% of the tumors of the central nervous system. MicroRNAs (miRNAs) are noncoding RNAs containing approximately 18-22 nucleotides ... -
Influence of human telomerase reverse transcriptase mutation on the aggressiveness and recurrence in meningiomas
Şahin, Balkan; Katar, Salim; Şahin, Saime A.; Çevik, Serdar; Evran, Şevket; Baran, Oğuz; Tanık, Canan; Adilay, Hüseyin Utku; Yılmaz, Adem (Cureus Inc, 2021)Background: Over 200 human telomerase reverse transcriptase (hTERT) polymorphism combinations have been implicated in the development of cancer. This study aimed to evaluate hTERT mutations in meningioma tissue and its ... -
Investigation of the improvement rate regarding the herniation of cerebellar tonsils following shunting procedures in patients with chiari malformation and associated hydrocephalus
Yüksel, Mehmet Onur; Katar, Salim (Dokuz Eylul Univ Inst Health Sciences, 2020)Introduction and Aim: Chiari malformation is a congenital anomaly formed as the result of the herniation of posterior fossa structures through the foramen magnum toward the spinal canal. In this study, we aimed to present ... -
Is there a relation between osteoporosis and ABO/Rh blood group antigens?
Şahin, Balkan; Kayalar, Ali Erhan; Efendioğlu, Mustafa; Katar, Salim (Kare Yayıncılık, 2022)Introduction: ABO and Rhesus (Rh) blood group antigens play a role in the etiology of many diseases. The aim of this study is to determine their effects (the effects of these antigens) on the development of osteoporosi ... -
Long-term radiological outcomes of short-segment stabilization in thoracic burst fracture
Katar, Salim; Yüksel, Mehmet Onur; Çevik, Serdar; Öztürk, Pınar Aydın; Baran, Oğuz; Evran, Şevket (Kare Yayıncılık, 2022)Introduction: Short-segment (SS) transpedicular instrumentation and distraction have been used as a popular method recently due to the kyphotic angulation and adequate spinal canal decompression provided by the fusion of ... -
Optimal timing and outcome of transforaminal epidural steroid injection for the management of radicular pain due to extruded lumbar disc herniation
Güçlü, Bülent; Katar, Salim; Özdemir, Ahmet; Deniz, Levent (Turkish Neurosurgical Soc, 2023)AIM: To evaluate the optimal timing and outcome of fluoroscopically guided transforaminal epidural steroid injections (TFESI) for the management of radicular pain due to extruded lumbar disc herniation (LDH). MATERIAL and ... -
Pediatric spinal traumas
Katar, Salim; Öztürk, Pınar Aydın; Özel, Mehmet; Çevik, Serdar; Evran, Şevket; Baran, Oğuz; Akkaya, Enes; Asena, Muhammet; Çetin, Abdurrahman (Karger, 2020)Introduction:Although childhood trauma is a major cause of morbidity and mortality, the incidence of spinal trauma is significantly lower in children than in adults. Existing studies on pediatric spinal trauma (PST) largely ... -
Relationship between degeneration or sagittal balance with modic changes in the cervical spine
Kitis, Serkan; Çevik, Serdar; Kaplan, Atilla; Yılmaz, Hakan; Katar, Salim; Cömert, Serhat (Cureus Inc, 2021)Objective: This study evaluates the relationship between degenerative and Modic changes (MCs) in the cervical spine and compares the results with the cervical sagittal balance parameters. Methods: We retrospectively ... -
The synergistic effect of combined transforaminal and caudal epidural steroid injection in recurrent lumbar disc herniations
Evran, Şevket; Kayhan, Ahmet; Baran, Oğuz; Saygı, Tahsin; Katar, Salim; Akkaya, Enes; Özbek, Muhammet Arif; Çevik, Serdar (Cureus Inc, 2021)Background Recurrent lumbar disc herniation (RLDH) is one of the most common causes of chronic low back and leg pain. Although surgical treatment has high success rates in primary lumbar disc herniations, recurrence is ... -
Thymoquinone ameliorates delayed cerebral injury and cerebral vasospasm secondary to experimental subarachnoid haemorrhage
Akkaya, Enes; Evran, Şevket; Çalış, Fatih; Çevik, Serdar; Katar, Salim; Karataş, Ersin; Koçyiğit, Abdurrahim; Sağlam, Mustafa Yasin (Via Medica, 2020)Aim of the study. Among subarachnoid haemorrhage (SAH) patients, delayed cerebral injury (DCI) and infarction are the most important causes of death and major disability. Cerebral vasospasm (cVS) and DCI remain the major ... -
Tissue thiol concentration in high-grade gliomas: Is there any association between idh1 mutation presence and tumoral cellular antioxidant defense?
Evran, Şevket; Kayhan, Ahmet; Baran, Oğuz; Çevik, Serdar; Katar, Salim; Kaya, Mustafa; Sönmez, Derya; Serin, Huriye; Hanımoğlu, Hakan; Kaynar, Mehmet Yaşar (Turkish Neurosurgical Soc, 2021)AIM: To assess and compare the antioxidant capacities of high-grade gliomas (HGG) according to their grades and the presence of isocitrate dehydrogenase 1 (IDH1) mutation using tissue thiol level measurement. MATERIAL ... -
The use of Rotterdam CT Score for prediction of outcomes in pediatric traumatic brain injury patients admitted to emergency service
Katar, Salim; Öztürk, Pınar Aydın; Özel, Mehmet; Araç, Songül; Evran, Şevket; Çevik, Serdar; Baran, Oğuz (Karger, 2020)Introduction: Rotterdam CT score for prediction of outcome in traumatic brain injury is widely used for patient evaluation. The data on the assessment of pediatric traumatic brain injury patients with the Rotterdam scale ...
