Yazar "Kanat, Ayhan" için PubMed İndeksli Yayınlar Koleksiyonu listeleme
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Posterior longitudinal ligament suturation after lumbar discectomy provides postoperative a large intradural area: First report
Batçık, Osman Ersagun; Kanat, Ayhan; Durmaz, Serdar; Özdemir, Bülent; Beyazal, Mehmet (Wolters Kluwer Medknow Publications, 2023)Background: Stability and flexibility of the spine are provided by the posterior longitudinal ligament (PLL). It plays a key role in the pathogenesis of lumbar disc herniation (LDH) by preventing disc protrusion. The effect ... -
Predictive role of external carotid artery vasospasm on cerebral ischemia after subarachnoid hemorrhage: Experimental study
Özdemir, Nuriye Güzin; Aydın, Mehmet Dumlu; Yolaş, Coşkun; Kanat, Ayhan; Levent, Akın; Günoğdu, Cemal; Aydın, Nazan (2017)AIm: Cerebral vasospasm after subarachnoid hemorrhage (SAH) may lead to a devastating neurological outcome by inducing cerebral ischemia. However the role of external carotid artery (ECA) vasospasm has been rarely reported ... -
Protective felix culpa effect of superior sympathetic cervical ganglion degenerations on prevention of basilar artery spasm after subarachnoid hemorrhage: A preliminary experimental study
Şahin, Balkan; Kanat, Ayhan; Karadağ, Mehmet Kürşat; Demirtaş, Rabia; Aydın, Mehmet Dumlu (Elsevier, 2022)BACKGROUND: Posterior cerebral blood flow is regulated by the basilar arteries (BAs). Vasospasm of BAs can occur after subarachnoid hemorrhage (SAH). Superior cervical sympathetic ganglia (SCG) fibers have a vasoconstrictor ... -
Rational roots of sympathetic overactivity by neurogenic pulmonary edema modeling arising from sympathyco-vagal imbalance in subarachnoid hemorrhage: An experimental study
Onen, Mehmet Reşid; Yılmaz, İlhan; Ramazanoğlu, Leyla; Tanrıverdi, Osman; Aydın, Mehmet Dumlu; Kanat, Ayhan; Yolaş, Coşkun; Sipal, Sare (Elsevier Science Inc, 2016)BACKGROUND: Autonomous innervations of the lungs are maintained by cervical sympathetic and vagal nerves. Sympathetic overactivity-induced neurogenic pulmonary edema (NPE) is known as a serious complication of subarachnoid ... -
Rationalization of using the MR diffusion imaging in B12 deficiency
Polat, Hatice Beyazal; Kanat, Ayhan; Çeliker, Fatma Beyazal; Tüfekçi, Ahmet; Beyazal, Mehmet; Ardıç, Gizem; Turan, Arzu (Wolters Kluwer Medknow Publications, 2020)Context: the structural imaging of brain does not demonstrate any changes in the vast majority of patients with vitamin B12 deficiency, even in the advanced stages. Aims: We investigated the microstructural changes in the ... -
Recrudescence of the syringomyelia after surgery of Chiari malformation type 1 with duraplasty
Yolaş, Coşkun; Kanat, Ayhan (Taylor & Francis Ltd, 2020)Background: Few case reports describe an increase in the size of syringomyelia and the worsening of neurologic symptoms after surgery for foramen magnum decompression. We report three such cases. Material and method: ... -
The relationship between mean platelet volume and the mortality of patient severe head trauma; first study
Kazdal, Hızır; Kanat, Ayhan; Özdemir, Bülent; Özdemir, Vacide; Sülün, Yusuf; Güvercin, Ali Rıza; Batçık, Şule; Kanat, Nesibe (Taylor & Francis Ltd., 2022)Background Prediction of mortality in a patient with head trauma is essential. In this study, the effect of mean platelet volume (MPV) on the mortality rate of patients with severe head trauma was studied. Material and ... -
Restoration of anterior vertebral height by short-segment pedicle screw fixation with screwing of fractured vertebra for the treatment of unstable thoracolumbar fractures
Özdemir, Bülent; Kanat, Ayhan; Ertürk, Cihangir; Batçık, Osman Ersagun; Balık, Mehmet Sabri; Yazar, Uğur; Çeliker, Fatma Beyazal; Metin, Yavuz; İnecikli, Mehmet Fatih; Güvercin, Ali Rıza (Elsevier Science Inc, 2017)BACKGROUND: the treatment of unstable thoracolumbar fractures remains controversial. Long-segment pedicle screw constructs may be stiffer and impart greater forces on adjacent segments compared with short-segment constructs. ... -
Role of degenerated neuron density of dorsal root ganglion on anterior spinal artery vasospasm in subarachnoid hemorrhage: Experimental study
Kanat, Ayhan; Yılmaz, Adem; Aydın, Mehmet Dumlu; Müslüman, Murat; Altaş, Sare; Gürsan, Nesrin (Springer-Verlag Wien, 2010)Background The spinal arteries are innervated by several systems that contribute to the control of spinal cord blood flow. The sensory fibers of upper cervical nerves have vasodilatatory effect on the anterior spinal ... -
The role of ischemic neurodegeneration of the nodose ganglia on cardiac arrest after subarachnoid hemorrhage: An experimental study
Aydın, Mehmet D.; Kanat, Ayhan; Yılmaz, Adem; Çakır, Murteza; Emet, Mücahit; Çakır, Zeynep; Aslan, Şahin; Altaş, Sare; Gündoğdu, Cemal (Elsevier, 2011)Background: The heart is innervated by several systems that contribute to the control of the heart's rhythm. The cardiac fibers of the vagus nerve have an important role in the regulation of heart rhythm under many emotional ... -
Role of neuron density of the stellate ganglion on regulation of the basilar artery volume in subarachnoid hemorrhage: An experimental study
Kayacı, Selim; Kanat, Ayhan; Aydın, Mehmet Dumlu; Müslüman, Ahmet Murat; Eseoğlu, Mete; Karalar, Mustafa; Gündoğdu, Cemal (Elsevier, 2011)Background: The role of neuron density (of the stellate ganglion) in basilar artery vasospasm after subarachnoid hemorrhage (SAH) has not previously been investigated. This subject was studied. Methods: This study was ... -
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 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 ... -
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. ...