Kurum Yazarı "Kanat, Ayhan" İçin Listeleme
-
Some interesting points of competition of X-Ray using during the Greco-Ottoman War in 1897 and development of neurosurgical radiology: A reminiscence
Kanat, Ayhan; Tsianaka, Eleni; Gasenzer, Elena Romana; Drosos, Evangelos (Turkish Neurosurgical Society, 2022)AIM: To investigate the competition of radiologic development between Turkey and Greece during the Greco-Ottoman War when the first application of X-Ray took place.MATERIAL and METHODS: A literature review was conducted, ... -
The sooth beneath the taste roseas in the urethra and first description of neuro-morpho-chemical mechanism of penile erectile posture in males: an experimental study
Aydın, Mehmet Dumlu; Aydın, Nazan; Kanat, Ayhan; Akça, Nezih; Ardıç, Gizem; Yolaş, Coşkun; Altınkaynak, Konca; Çalık, Muhammet (Taylor & Francis Ltd, 2018)Aim: the morphologic mechanism of orgasmic sensation has not yet been understood. Taste roseas may be stimulated by fructose via pudendal nerves, which has not been studied yet.Methods: in this study, 27 male adult rabbits ... -
Spinal arachnoiditis and the axonal degeneration of the spinal nerve roots due to ischemia induced by vasospasm: An experimental study
Amaç: Araknoidit gelişiminde çeşitli nedenler suçlanmaktadır, subaraknoid kanama (SAK) da bu süreçte önemli bir öğe olabilir. Bu deneysel çalışmada (tavşan SAK modelinde) SAK'ın histopatolojik bulgular üzerine etkisini, ... -
Spinal subarachnoid hemorrhage induced intractable miotic pupil. A reminder of ciliospinal sympathetic center ischemia based miosis: An experimental study
Aydın, Mehmet Dumlu; Kanat, Ayhan; Yolaş, Coşkun; Soyalp, Celalettin; Onen, Mehmet Reşid; Yılmaz, İlhan; Karaavcı, Nuh Çağrı; Çalık, Muhammet; Baykal, Orhan; Ramazanoğlu, Leyla (2019)AIM: To examine ischemic neurodegeneration of the ciliospinal center on permanent miosis following subarachnoid hemorrhage (SAH). MATERIAL and METHODS: Nineteen rabbits were examined in this study. The animals were divided ... -
Spinal surgery and neurosurgeon: Quo vadis?
Kanat, Ayhan; Yazar, U. (2013)The aim of this review was to point out some critical points in spinal surgery. We present a good idea dealing with the subspecialisation in neurosurgery. Spine surgery is a good and especially timely example for it. The ... -
Sudden death and cervical spine: A new contribution to pathogenesis for sudden death in critical care unit from subarachnoid hemorrhage; first report u An experimental study
Kazdal, Hızır; Kanat, Ayhan; Aydın, Mehmet Dumlu; Yazar, Uğur; Güvercin, Ali Rıza; Çalık, Muhammet; Gündoğdu, Betül (Wolters Kluwer Medknow Publications, 2017)Context: Sudden death from subarachnoid hemorrhage (SAH) is not uncommon. Aims: the goal of this study is to elucidate the effect of the cervical spinal roots and the related dorsal root ganglions (DRGs) on cardiorespiratory ... -
Surgical results of large and giant pituitary adenomas with special consideration of ophthalmologic outcomes
Müslüman, Ahmet Murat; Cansever, Tufan; Yılmaz, Adnan; Kanat, Ayhan; Oba, Ersin; Çavuşoğlu, Halit; Şirinoǧlu, Deniz; Aydın, Yunus (Elsevier, 2011)Objective: To analyze functioning and nonfunctioning pituitary adenomas (PAs) >3 cm, with special emphasis on preoperative and postoperative visual functions. Methods: The cases consisted of 49 women and 54 men with mean ... -
Thick fetal Corpus Callosum
Kanat, Ayhan (Springer Nature, 2024)The corpus callosum (CC) is a group of white matter tracts that span the left and right cerebral hemispheres. It connects the frontal, parietal, temporal, occipital, insular, and limbic lobes and the basal ganglia of the ... -
Toward changing of the pathophysiologic Basis of Acute Hydrocephalus after subarachnoid hemorrhage: a preliminary experimental study
Kanat, Ayhan; Türkmenoğlu, Osman; Aydın, Mehmet D.; Yolşs, Coşkun; Aydın, Nazan; Gürsan, Nesrin; Tümkaya, Levent; Demir, Recep (Elsevier Science Inc, 2013)BACKGROUND: Acute hydrocephalus (ventricular enlargement within 72 hours) is a common complication in patients with aneurysmal subarachnoid hemorrhage (SAH). Cerebrospinal fluid (CSF) secretion may be increased in the early ... -
Toward understanding the causes of blood pH irregularities and the roles of newly described binuclear neurons of carotid bodies on blood pH regulation during subarachnoid hemorrhage: Experimental study
Özmen, Sevilay; Altınkaynak, Konca; Aydın, Mehmet Dumlu; Ahıskalıoğlu, Ali; Demirci, Tuba; Özlü, Can; Kanat, Ayhan; Aydın, Nazan (Wiley, 2019)Acidosis is the most dangerous complication of subarachnoid hemorrhage (SAH). Although the carotid bodies (CBs) network is essential for pH regulation, neither binuclear neurons (BNN) nor their functions have been mentioned ... -
Transorbital ultrasonographic measurement of optic nerve sheath diameter for intracranial midline shift in patients with head trauma
Kazdal, Hızır; Kanat, Ayhan; Fındık, Hüseyin; Şen, Ahmet; Özdemir, Bülent; Batçık, Osman Ersegun; Yavaşi, Özcan; İnecikli, Mehmet Fatih (Elsevier Science Inc, 2016)OBJECTIVE: Measurement of the optic nerve sheath diameter (ONSD) by using sonography is a straightforward, noninvasive technique to detect an increased intracranial pressure, which can even be conducted at the bedside. ... -
Uncovering a new cause of obstructive hydrocephalus following subarachnoid hemorrhage: choroidal artery vasospasm-related ependymal cell degeneration and aqueductal stenosis-first experimental study
Yolaş, Coşkun; Özdemir, Nuriye Güzin; Kanat, Ayhan; Aydın, Mehmet Dumlu; Keleş, Papatya; Kepoğlu, Ümit; Aydın, Nazan; Gündoğdu, Cemal (Elsevier Science Inc, 2016)BACKGROUND: Hydrocephalus is a serious complication of subarachnoid hemorrhage (SAH). Obstruction of the cerebral aqueduct may cause hydrocephalus after SAH. Although various etiologic theories have been put forward, ... -
The unforgettable neurosurgical operations of musicians in the last century
Gasenzer, Elena Romana; Kanat, Ayhan; Neugebauer, Edmund (Elsevier Science Inc, 2017)BACKGROUND: There has been no study of craniotomies of famous musicians throughout history. This subject was investigated. METHODS: the key search words were "neurosurgery and music" and the names of composers. We used ... -
Unilateral isolated hypoglossal nerve palsy caused by gunshot injury
Özdemir, Bülent; Kanat, Ayhan; Batçık, Şule; Batçık, Osman Ersagun; Çeliker, Metin; Kayayurt, Kamil (Lippincott Williams & Wilkins, 2018)Cranial nerve palsies after gunshot injury are not uncommon. However, in the literature, only 1 patient with isolated hypoglossal nerve paralysis caused by gunshot has been published. the authors describe a 34-year-old man ... -
Unpublished neuropathologic mechanism behind the muscle weakness/paralysis and gait disturbances induced by sciatic nerve degeneration after spinal subarachnoid hemorrhage: An experimental study
Kılıç, Mustafa; Aydın, Mehmet Dumlu; Demirci, Elif; Kılıç, Betül; Yılmaz, İlhan; Tanrıverdi, Osman; Kanat, Ayhan (Elsevier Science Inc, 2018)BACKGROUND: Adamkiewicz arteries vasospasm in spinal cord subarachnoid hemorrhage (SAH) can affect the spinal cord. Although muscle dysfunction of extremities is a common problem after spinal cord ischemia induced by SAH, ... -
Unraveling of the effect of nodose ganglion degeneration on the coronary artery vasospasm after subarachnoid hemorrhage: an experimental study
Yolaş, Coşkun; Kanat, Ayhan; Aydın, Mehmet Dumlu; Altaş, Ender; Kanat, İlyas Ferit; Kazdal, Hızır; Duman, Aslıhan; Gündoğdu, Betül; Gürsan, Nesrin (Elsevier Science Inc, 2016)BACKGROUND: Cardiac arrest is a major life-threatening complication of subarachnoid hemorrhage (SAH). Although medullary cardiocirculatuar center injury and central sympathetic overactivity have been suspected of initiating ... -
Urethral protrusion of the abdominal catheter of ventriculoperitoneal shunt: Case report of extremely rare complication
Yazar, Uğur; Kanat, Ayhan; Akça, Nezih; Gazioğlu, Gürkan; Arda, İrfan S.; Kazdal, Hızır (Wolters Kluwer, 2012)Hydrocephalus in its various forms constitutes one of the major problems in pediatric neurosurgical practice. The placement of a ventriculoperitoneal (VP) shunt is the most common form of treatment for hydrocephalus, so ... -
Water-filled vesicles of choroid plexus tumors
Aydın, Mehmet Dumlu; Kanat, Ayhan; Karaavcı, Nuh Çağri; Şahin, Hakan; Özmen, Sevilay (Lippincott Williams & Wilkins, 2019)Objective: Choroid plexus cysts are the most common neuroepithelial cysts. Methods: the authors describe 2 cases. the first case is a 1-year-old child presenting with hydrocephalus and cyst of the choroid plexus. the child ... -
What are we missing from asymmetric relationship between the retinal nerve fiber layer thickness profiles and sphenoid sinus volume?
Fındık, Hüseyin; Kanat, Ayhan; Çeliker, Fatma Beyazal; Çeliker, Metin; Beyazal, Mehmet; Özdemir, Bülent; Özdemir, Vacide; Batçık, Osman Ersegun; Özdemir, Doğukan; Dursun, Engin (Lippincott Williams & Wilkins, 2020)Purpose/Aim of the Study:Detailed analysis of retinal structure such as the retinal nerve fiber layer can be performed by spectral-domain optical coherence tomography (OCT). There are no published studies concerning a ...