Yazar "Kanat, Ayhan" için listeleme
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Age- and gender-related radiological changes of the cervical spine: A study with largest magnetic resonance imaging database of 5672 consecutive patients
Güvercin, Ali Rıza; Arslan, Erhan; Hacıfazlıoğlu, Çiğdem; Kanat, Ayhan; Arslan, Elif; Yazar, Uğur (Wolters Kluwer Medknow Publications, 2023)Background: The morphological features of the cervical spine are an essential issue. This retrospective study aimed to investigate the structural and radiological changes in the cervical spine. Materials and Methods: A ... -
Analyzing of dark past and bright present of neurosurgical history with a picture of musicians
Gasenzer, Elena Romana; Kanat, Ayhan; Özdemir, Vacide; Neugebauer, Edmund (Taylor & Francis Ltd, 2018)Aim: Currently, neurosurgery has gone through moments of great renewal, however, in the first half of the 20th century, unwanted outcome after surgical approach had occurred. the aim of this historical overview of a picture ... -
“Aneurysm clip compression technique in the surgery of aneurysms with hard/calcified neck”
Kanat, Ayhan; Turgut, Mehmet; de Divitiis, Oreste (Elsevier Science Inc, 2018).... -
Asymmetric cross sectional area Size of the psoas muscle seems to be a key feature in patients with L4-5 lumbar disc herniations
Batçık, Osman Ersegun; Kanat, Ayhan; Özdemir, Bülent; Gündoğdu, Hasan (Turkish Neurosurgical Soc., 2022)AIM: To determine the relationship between the occurrence of lumbar L4-5 disc herniation (LDH) and the size of psoas muscles. MATERIAL and METHODS: The cross-sectional areas (CSAs) of the psoas muscles were measured at ... -
Biomechanical analysis of odontoid and transverse atlantal ligament in humans with ponticulus posticus variation under different loading conditions: Finite element study
Güvercin, Yılmaz; Yaylacı, Murat; Dizdar, Ayberk; Kanat, Ayhan; Uzun Yaylacı, Ecren; Ay, Sevilay; Abdioğlu, Ahmet Atilla; Şen, Ahmet (Elsevier, 2022)Purpose: Ponticulus posticus (PP) is a variation of the bone bridge that appears in the first cervical vertebra and through which the vertebral artery passes. Odontoid fractures are common spinal bone fractures in older ... -
Brachial artery vasospasm caused by cervical dorsal root ganglion degeneration after subarachnoid hemorrhage: An experimental study
Kayacı, Salim; Çakır, Tayfun; Aydın, Mehmet Dumlu; Kanat, Ayhan; Ömeroğlu, Muhammed; Levent, Akın; Kantarcı, A. Macit; Diyarbakırlı, Semih; Demirci, Elif (Elsevier Science Inc, 2019)PURPOSE: Subarachnoid hemorrhage (SAH) may lead to vasospasm in various vessels. the cervical nerves have a vasodilatory effect on the upper extremity arteries. the aim of this study was to investigate if there is a ... -
Central sagittal angle of the sacrum as a new risk factor for patients with persistent low back pain after caesarean section
Kazdal, Hızır; Kanat, Ayhan; Batçık, Osman Ersagun; Özdemir, Bülent; Şentürk, Şenol; Yıldırım, Murat; Kazancıoğlu, Leyla; Şen, Ahmet; Batçık, Şule; Balık, Mehmet Sabri (Korean Soc Spine Surgery, 2017)Study Design: Retrospective. Purpose: This study investigated the possible association of persistent low back pain (LBP) with caesarean section (CS) under spinal anesthesia. Overview of Literature: Many women suffer from ... -
Cerebral embolism following thrombolytic therapy for acute myocardial infarction: The second reported case
Bostan, Mehmet; Kanat, Ayhan; Şen, Murat; Kazdal, Hızır; Bostan, Habib (South African Medical Association, 2010)ST-elevation myocardial infarction (STEMI), caused by acute occlusion of the infarct-related coronary artery, is an emergency condition. The primary therapy is restoration of full antegrade flow by either percutaneus ... -
Cervical disc hernia operations through posterior laminoforaminotomy
Yolaş, Coşkun; Özdemir, Nuriye Güzin; Okay, Hilmi Önder; Kanat, Ayhan; Şenol, Mehmet; Atçı, İbrahim Burak; Yılmaz, Hakan; Çoban, Mustafa Kemal; Yüksel, Mehmet Onur; Kahraman, Ümit (Medknow Publications & Media Pvt Ltd, 2016)Objective: the most common used technique for posterolateral cervical disc herniations is anterior approach. However, posterior cervical laminotoforaminomy can provide excellent results in appropriately selected patients ... -
Challenges to neurosurgical professionalism
Kanat, Ayhan; Epstein, Clara Raquel (Elsevier B.V., 2010)At present, neurosurgical practice is confronted by an explosion of technology. Rapid advances in neurosurgical knowledge and technology are putting increased pressure on neurosurgeons to process huge quantities of ... -
Changes in number of water-filled vesicles of choroid plexus in early and late phase of experimental rabbit subarachnoid hemorrhage model; the role of petrous ganglion of glossopharyngeal nerve
Aydın, Mehmet Dumlu; Kanat, Ayhan; Türkmenoğlu, Osman Nuri; Yolaş, Coşkun; Gündoğdu, Cemal; Aydın, Nazan (Springer Wien, 2014)Cerebrospinal fluid (CSF) secretion may be increased in the early phases of subarachnoid hemorrhage (SAH), possibly via ischemic glossopharyngeal nerve discharges, and decreased due to glossopharyngeal nerve degeneration ... -
Changes in retinal nerve fiber layer thickness may be the cause of post-COVID-19 headaches
Gel, Mehmet Selim; Kanat, Ayhan; Şeker, Demet; Koç, Hakan; Daltaban, İskender Samet; Fındık, Hüseyin; Gündoğdu, Ömer Lütfi (Taylor & Francis Ltd., 2024)ObjectiveThe prevalence of post-COVID headaches is not low. The eye can be affected by this infection, but it is not clear yet what the relationship is between persistent headaches and the thickness of the retinal nerve ... -
Chronic subdural hematoma in adults: Why does it occur more often in males than females? Influence of patient's sexual gender on occurrence
Kanat, Ayhan; Kayacı, S.; Yazar, U.; Kazdal, Hızır; Terzi, Y. (2010)Aim. Chronic subdural hematoma (CSDH) is a very common condition seen usually in the later stages of life. The goal of this study was to determine whether there is any influence of patient's sexual gender on occurrence of ... -
Chronic subdural hygroma with thrombocythemia: First case report
Kanat, Ayhan; Yazar, U.; Kazdal, Hızır (2009)Subdural hygroma is a frequent delayed complication of head trauma. It is a rare form of bleeding. Most hygromas are clinically silent and a few cases have shown slow deterioration in the chronic stage. We report a case ... -
Comment on bunmaprasert et al. reducible nonunited type II odontoid fracture with atlantoaxial instability: Outcomes of two different fixation techniques. Int. J. Environ. Res. public health 2021, 18, 7990 comment
Kanat, Ayhan (MDPI, 2022)I read with great interest the paper of Bunmaprasert et al. [1]. They operated on 21 patients with atlantoaxial instability and compared the outcomes of two different fixation techniques. In the mentioned study, the ... -
Controversy about the protective role of volume in the frontal sinus after severe head trauma: larger sinus equates with higher risk of death
Çeliker, Metin; Kanat, Ayhan; Özdemir, Abdullah; Çeliker, Fatma Beyazal; Kazdal, Hızır; Özdemir, Bülent; Batçık, Osman Ersegun; Özdemir, Doğukan (Churchill Livingstone, 2020)The "crumple zone" hypothesis suggests that the paranasal sinuses protect the brain as a zone to distribute and absorb energy after trauma to the head. We investigated the relation between the size of the frontal sinus and ... -
The correlation between hematoma volume and outcome in ruptured posterior fossa arteriovenous malformations indicates the importance of surgical evacuation of hematomas
Yılmaz, Adem; Müslüman, Ahmet Murat; Kanat, Ayhan; Çavuşoğlu, Halit; Terzi, Yüksel; Aydın, Yunus (2011)AMAÇ: Rüptüre posterior fossa arteriovenöz malformasyonlarda hematom volümü ile klinik sonuç arasındaki İlişki retrospektif olarak değerlendirildi. YÖNTEM ve GEREÇ: 1998 ile 2009 arasında kliniğimizde 127 hasta intrakranyal ... -
Could the cerebral involvement of COVID-19 disease be related to microstructural changes that are not reflected in conventional MRI images?
Çeliker, Fatma Beyazal; Kanat, Ayhan; Turan, Arzu; Beyazal, Mehmet; Burakgazi, Gülen; Hürsoy, Nur; Gündoğdu, Hasan; Polat, Hatice Beyazal (Gale Academic Onefile, 2023)In patients with COVID-19, neurodegeneration may develop before clinical symptoms appear. Diffusion-weighted (DW) MRI is an important technique for analyzing microstructural changes such as gliosis. In this study, a ... -
COVID-19 infection produces subarachnoid hemorrhage; acting now to understand its cause: A short communication
Batçık, Osman Ersagun; Kanat, Ayhan; Cankay, Tuğba; Öztürk, Gülşah; Kazancıoğlu, Leyla; Kazdal, Hızır; Gündoğdu, Hasan; Özdemir, Bülent; Bahçeci, İlkay; Kostakoğlu, Uğur; Batçık, Şule; Gündoğdu, Ömer; Sevilgen, Gökçen (Elsevier, 2021)In the medical literature, some case reports on the association of the COVID-19 infection and occurrence of spontaneous subarachnoid hemorrhage (SAH)have been reported Aim of the present paper is to search the causes of ... -
Cystic schwannoma of the right brachial plexus causing thoracic outlet syndrome
Sönmez, Osman Fikret; Tümkaya, Levent; Kanat, Ayhan; Demir, Zafer; Baş, Orhan (Ondokuz Mayıs University, 2012)A rare case of a schwannoma of the right brachial plexus presenting with a cystic lesion is presented here. A 36-year-old man was admitted to our department with numbness, pain and progressive, lingering paralysis in the ...
