Yazar "Kanat, Ayhan" için listeleme
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Introducing a new possible predisposing risk factor for odontoid type 2 fractures after cervical trauma; Ponticulus posticus anomaly of C1 vertebra
Özdemir, Bülent; Kanat, Ayhan; Durmaz, Serdar; Batçık, Osman Ersegun; Gündoğdu, Hasan (Elsevier, 2022)Objective: Ponticulus posticus is an anomaly of the atlas. Odontoid fracture type 2 fracture occurs by hyperflexion, hyperextension, lateral flexion, and a combination of these movements. The presence of Ponticulus Posticus ... -
Introducing a new risk factor for Lumbar Disc Herniation in females : vertical angle of the sacral curvature
Kanat, Ayhan; Yazar, Uğur; Kazdal, Hızır; Sönmez, Osman Fikret (Korean Neurosurgical Soc, 2012)Objective : To characterize the importance of the vertical angle of the sacral curvature (VASC) in lumbar disc herniations. Methods : Morphological data derived from lumbar sagittal MRI imaging. the statistical significance ... -
Letter to the editor regarding "Kissing aneurysms: Radiological and surgical difficulties in 30 operated cases and a proposed classification"
Kanat, Ayhan; Turgut, Mehmet; de Divitiis, Oreste (Elsevier, 2022)We read the manuscript of Inci and Karakaya.1 We have several concerns regarding this paper. The authors retrospectively analyzed the localization of aneurysms, accompanying vascular anomalies, intraoperative rupture, ... -
Letter to the editor regarding "Predictors of shunt-dependent hydrocephalus after aneurysmal subarachnoid hemorrhage? A systematic review and meta-analysis"
Kanat, Ayhan (Elsevier Science Inc, 2017)We read with great interest the article of Xie et al.1 They made a systematic search on hydrocephalus (HCP) after subarachnoid hemorrhage (SAH) and found 25 studies and some potential risk factors for shunt-dependent HCP ... -
Letter to the editor regarding “Aneurysmal subarachnoid hemorrhage in Covıd-19 patients: a case series”
Kanat, Ayhan (Elsevier, 2021)Mektup: Dodd ve arkadaşlarının makalesini büyük bir ilgiyle okudum. 1 Büyük ölçüde anevrizmal olmayan subaraknoid kanamalı (SAK) sadece birkaç vaka raporu olduğundan ve bugüne kadar bildirilen sadece 1 anevrizmal SAK ... -
Letter to the editor regarding “subarachnoid hemorrhage and COVID-19: An analysis of 282,718 patients”
Kanat, Ayhan (Elsevier, 2021)Read with great interest the article by Qureshi et al.1 Many manuscripts have appeared in the literature about the subarachnoid hemorrhage (SAH)-producing effect of COVID-19 infection.2-5 In the mentioned study, the ... -
Ligamentum flavum hematomas: Why does it mostly occur in old Asian males Interesting point of reported cases: Review and case report
Özdemir, Bülent; Kanat, Ayhan; Batçık, Osman Ersegun; Güçer, Hasan; Yolaş, Coşkun (Wolters Kluwer Medknow Publications, 2016)Hematoma of the ligamentum flavum (LF) is a rare cause of neural compression and sciatica. Currently, the etiology and epidemiological characteristics of ligamentum flavum hematoma (LFH) are unknown and epidemiological ... -
Neurosurgery and music; effect of wolfgang amadeus Mozart
Gasenzer, Elena Romana; Kanat, Ayhan; Neugebauer, Edmund (Elsevier Science Inc, 2017)BACKGROUND: the nervous system works like a great orchestra. Specifically, the music of Mozart with its "Mozart effect" is appropriate to use in neurosurgery. We investigated the relationship between Mozart's music and ... -
A new determinant of poor outcome after spontaneous subarachnoid hemorrhage: Blood pH and the disruption of glossopharyngeal nerve-carotid body network: First experimental study
Kanat, Ayhan; Aydın, M. Dumlu; Bayram, Ednan; Kazdal, Hızır; Aydın, Nazan; Ömeroğlu, Muhammet; Altınkaynak, Konca; Kabalar, M. Eşref; Yolaş, Coşkun; Öztürk, Cengiz; Kepoğlu, Ümit; Çalık, Muhammet (Elsevier Science Inc, 2017)OBJECTIVE: the chemoreceptor network, consisting of the glossopharyngeal nerve and carotid body (GPN-CB), is essential for the regulation of blood pH. Its ischemic insults after subarachnoid hemorrhage (SAH), which may ... -
New evidence for causal central Mechanism of hyperglycemia in subarachnoid hemorrhage secondary to ischemic degenerative disruption of circuitry among insular cortex, nodose ganglion, and pancreas: Experimental study
Aydın, Mehmet Dumlu; Kanat, Ayhan; Aydın, Nazan; Kantarcı, Abdulmecit; Ayvaz, Muhammet Ali; Rakıcı, Halil; Yolaş, Coşkun; Kepoğlu, Ümit; Demirci, Elif (Elsevier Science Inc, 2017)INTRODUCTION: Although hyperglycemia is a serious complication of subarachnoid hemorrhage, its pathophysiologic mechanism based on neural circuitry has not been known. - MATERIALS AND METHODS: Twenty-five rabbits were ... -
New evidence for regulatory role of trigeminal ganglion on the intraocular pressure following subarachnoid hemorrhage
Fındık, Hüseyin; Kanat, Ayhan; Aydın, Mehmet Dumlu; Güvercin, Ali Rıza; Özmen, Sevilay (Thieme Medical Publishing Inc., 2023)Background Increased intraocular pressure (IOP) likely secondary to an activated oculo-trigeminal reflex network is an important issue following subarachnoid hemorrhage (SAH). The relationship between the IOP and trigeminal ... -
A new experimental evidence that olfactory bulb lesion may be a causative factor for substantia nigra degeneration; preliminary study
Aydın, Mehmet Dumlu; Kanat, Ayhan; Hacımüftüoğlu, Ahmet; Özmen, Sevilay; Ahıskalıoğlu, Ali; Koçak, Mehmet Nuri (Taylor & Francis Ltd, 2020)Background: Anosmia has been considered as the first diagnostic criteria of Parkinson disease (PD), we investigated the effect of the olfactory bulbectomy (OBX) on histopathological features of the substantia nigra in an ... -
New experimental finding of dangerous autonomic ganglia changes in cardiac injury following subarachnoid hemorrhage; a reciprocal culprit-victim relationship between the brain and heart
Aydın, Mehmet Dumlu; Kanat, Ayhan; Şahin, Balkan; Şahin, Mehmet Hakan; Ergene, Şaban; Demirbaş, Rabia (Taylor & Francis Ltd., 2022)Objective: The vagal, stellate, and cardiac ganglia cells changes following subarachnoid hemorrhage (SAH) may occur. This study aimed to investigate if there is any relation between vagal network/stellate ganglion and ... -
New histopathologic evidence for the parasympathetic innervation of the kidney and the mechanism of hypertension following subarachnoid hemorrhage
Kepoğlu, Ümit; Kanat, Ayhan; Aydın, Mehmet Dumlu; Akça, Nezih; Kazdal, Hızır; Zeynal, Mete; Kantarcı, Mecit; Sipal, Sare Altaş (Lippincott Williams & Wilkins, 2020)Background: the Cushing response was first described in 1901. One of its components is elevated systemic blood pressure secondary to raised intracranial pressure. However, controversy still exists in its pathophysiologic ... -
New histopathological evidence for the relationship between hydromyelia and hydrocephalus following subarachnoid hemorrhage: An experimental study
Yardım, Ahmet; Kanat, Ayhan; Karadağ, Mehmet Kürşat; Aydın, Mehmet Dumlu; Gel, Mehmet Selim; Daltaban, İskender Samet; Demirtaş, Rabia (PMC, 2023)Objectives: Subarachnoid hemorrhage (SAH) is a serious pathology with a high death and morbidity rate. There can be a relationship between hydromyelia and hydrocephalus following SAH; however, this subject has not been ... -
New histophatological finding about data destroying amyloid black holes in hippocampus following olfactory bulb lesion like as the universe
Aydın, Mehmet Dumlu; Aydın, Ayça; Aydın, Aybike; Ahıskalıoğlıoğlu, Elif Oral; Ahıskalıoğlıoğlu, Ali; Özmen, Sevilay; Kanat, Ayhan (Kowsar Corp., 2022)Background: Many infinite theories have been suggested to explain memory loss in neurodegenerative diseases. However, there are clear data that iron-containing neurofibrillary networks can cause neuron death and erase the ... -
A new technique in surgical management of the giant cerebral hydatid cysts
Aydın, Mehmet Dumlu; Karaavcı, Nuh Cağrı; Akyüz, Mehmet Emin; Şahin, Mehmet Hakan; Zeynal, Mete; Kanat, Ayhan; Altınors, Mehmet Nur (Lippincott Williams & Wilkins, 2018)Objectives:In hydatid disease, the central nervous system is affected approximately in 2% to 3% of patients. Surgical management in these patients is important. To develop a surgical technique to avoid the formation of ... -
Nontraumatic intradiploic epidermoid cyst and older age: Association or causality?
Türk, Okan; Özdemir, Nuriye Güzin; Demirel, Nail; Atçı, İbrahim Burak; Kanat, Ayhan; Yolaş, Coşkun (Lippincott Williams & Wilkins, 2018)Background:Intradiploic epidermoid cysts (IEC) are rare, benign lesions derived from ectodermal remnants during neural tube closure. Their origin is still debated or unknown.Objective:Analyzing of the patients with ... -
A novel clinical observation in neuroleptic malignant-like syndrome first demonstration of early progression of hydrocephalus
Kazdal, Hızır; Kanat, Ayhan; Şen, Ahmet; Kırbaş, Serkan; Ardıç, Gizem; Tüfekçi, Ahmet; Ersöz, Tahir (Lippincott Williams & Wilkins, 2015)o the Editors: Neuroleptic malignant syndrome (NMS) is a drug-related disease associated with neuroleptics. Many case reports with NMS were published on various neuroleptic drugs1–6; however, the pathogenesis of NMS is ...