Yazar "Aydın, Mehmet Dumlu" için listeleme
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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 ... -
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 ... -
Describing a new mechanism of retinal detachment secondary to ophthalmic artery vasospasm following subarachnoid hemorrhage: An experimental study
Fındık, Hüseyin; Kanat, Ayhan; Aydın, Mehmet Dumlu; Çakır, Murteza; Özmen, Sevilay Akalp; Okutucu, Murat; Baykal, Orhan; Sipal, Sare (Thieme Medical Publ Inc, 2019)Background the pterygopalatine ganglion (PPG) and ophthalmic arteries (OpAs) have important roles in ocular autoregulation and retinal and visual functions. the relationship between PPG neuron density, OpA vasospasm, and ... -
The effect of choroidal artery vasospasm on choroid plexus injury in subarachnoid hemorrhage: Experimental study
Yılmaz, Adem; Aydın, Mehmet Dumlu; Kanat, Ayhan; Müslüman, Ahmet Murat; Altaş, Sare; Aydın, Yunus; Çalık, Muhammet; Gürsan, Nesrin (Turkish Neurosurgical Society, 2011)Aim: We examined whether vasospasm of choroidal arteries (ChAs) may be resulted in ischemic injury in choroid plexus (CP) after subarachnoid hemorrhage (SAH). MaterIal and Methods: This study has been conducted on 30 ... -
The effect of choroidal artery vasospasm on choroid plexus ınjury in subarachnoid hemorrhage: experimental study
AMAÇ: Bu çalışmada, subaraknoid kanamada (SAK) koroid arter vazospazmının koroid pleksusta (KP) iskemik hasar yapıp yapmadığını inceledik. YÖNTEM ve GEREÇLER: Bu çalışma 30 tavşan üzerinde yapıldı. Sekizi kontrol grubu, ... -
The effect of degenerated neuron density of petrosal ganglion on the development of blood pressure variabilities after subarachnoid hemorrhage in a rabbit model: an experimental study
Müslüman, Ahmet Murat; Aydın, Mehmet Dumlu; Yılmaz, Adem; Cansever, Tufan; Kanat, Ayhan; Gündoğdu, Cemal; Çakır, Zeynep; Emet, Mücahit; Gürsan, Nesrin; Aydın, Nazan; Ünal, Bünyamin (2011)AMAÇ: Bu çalışmanın amacı, subaraknoid kanama (SAK) sonrası, glossofaringeal sinir petrozal ganglion iskemik nörodejenerasyonu ve KB dalgalanmaları arasındaki ilişkiyi belirlemektir. YÖNTEM ve GEREÇLER: Yirmi dört tavşanın ... -
The enigma of basilar artery dissections secondary to vasospasm following subarachnoid hemorrhage; exploration of the unknown effect of superior cervical ganglia: A preliminary experimental study
Zeynal, Mete; Şahin, Mehmet Hakan; Kanat, Ayhan; Karadağ, Mehmet Kürşat; Sipal, Sare; Ergene, Şaban; Aydın, Mehmet Dumlu (Georg Thieme Verlag, 2023)Material and Method: In this article, after three weeks of experimental SAH, animals were decapitated. 18 rabbits were divided into three groups, according to their vasospasm indexes. The basilar arteries were examined by ... -
Estimating basilar artery upper rupture limit by dangerous alarming diameter of arteries (DADA) following bilateral common carotid artery ligation; a new theorem
Aydın, Mehmet Dumlu; Kanat, Ayhan; Aydın, Aybike; Aydın, Ayça; Demirci, Tuba; Özmen, Sevilay (Taylor & Francis Ltd, 2020)Background Although many theories have been established to explain the mechanism of aneurysm development following steno-occlusive or hypertensive disease, the effect of the geometrical shape of the inner elastic membrane ... -
First emerging evidence of the relationship between Onuf's nucleus degeneration and reduced sperm number following spinal subarachnoid haemorrhage: Experimental study
Çağlar, Özgür; Fırıncı, Binali; Aydın, Muhammed Enes; Arslan, Remzi; Kanat, Ayhan; Demirci, Tuba; Aydın, Mehmet Dumlu; Karadeniz, Erdem; Yiğiter, Murat; Akça, Nezih (Wiley, 2021)Lumbosacral pathologies can lead to infertility. Onuf's nucleus changes in these pathologies may have a role in low sperm number. This study aims to investigate the relationship between Onuf's nucleus degeneration and sperm ... -
First emerging objective experimental evidence of hearing impairment following subarachnoid haemorrhage; Felix culpa, phonophobia, and elucidation of the role of trigeminal ganglion
Çeliker, Metin; Kanat, Ayhan; Aydın, Mehmet Dumlu; Özdemir, Doğukan; Aydın, Nazan; Yolaş, Coşkun; Çalık, Muhammed; Peker, Halil Olgun (Taylor & Francis Ltd, 2019)Objective: the exact mechanism of phonophobia induced by subarachnoid hemorrhage (SAH) has not been understood well. This subject was investigated.Material and methods: This study was conducted on 25 rabbits. They divided ... -
First histopathological bridging of the distance between Onufʼs nucleus and substantia nigra after olfactory bulbectomy—new ideas about the urinary dysfunction in cerebral neurodegenerative disease: an experimental study
Kanat, Ayhan; Aydın, Mehmet Dumlu; Akça, Nezih; Özmen, Sevilay (Wiley, 2021)Objectives: Olfactory bulbectomy (OBX) in experimental studies induces neurochemical, neurodegenerative changes in various parts of the body. But no information is available about how OBX affects the spinal cord in rats. ... -
First report of the histopathological effect of electrocautery using on the urethral taste rosea during glans penis injury by incision in rabbits
Çağlar, Özgür; Kanat, Ayhan; Aydın, Mehmet Dumlu; Akça, Nezih; Özmen, Sevilay (Elsevier, 2024)Objective: Currently, electrocautery devices have frequently been used in penile surgical procedures. We hypothesized that electrocautery using during penile surgical procedures may harm the taste rosea and the dorsal nerve ... -
From nose to lumbar spinal cord; reduced sperm numbers occur by olfactory bulbectomy-releted onuf's nucleus degeneration; new experimental evidence for kallmann syndrome
Yolaş, Coşkun; Kanat, Ayhan; Zeynal, Mete; Şahin, Mehmet Hakan; Karadağ, Mehmet Kürşat; Keleş, Osman Nuri; Akça, Nezih; Dil, Eyüp; Aydın, Mehmet Dumlu; Gündoğdu, Ömer Lütfi (Karger, 2023)Introduction: Olfaction and its relation to human health is an area of growing interest. Although olfaction disorders have been considered a part of Kallmann Syndrome, the role of olfactory dysfunction on spermatogenesis ... -
How reliable is pupillary evaluation following subarachnoid hemorrhage? Effect of oculomotor nerve degeneration secondary to posterior communicating artery vasospasm: First experimental study
Öztürk, Cengiz; Özdemir, Nuriye Güzin; Kanat, Ayhan; Aydın, Mehmet Dumlu; Fındık, Hüseyin; Aydın, Nazan; Kabalar, Mehmet Eşref; Kazdal, Hızır; Yolaş, Coşkun; Baykal, Orhan; Çalık, Muhammet (Thieme Medical Publ Inc, 2018)Background and Study Aim Basic neurophysiologic principles of the light reflex are well known. However, the effects of degenerated axon densities of oculomotor nerves (OMNs) secondary to posterior communicating artery ... -
The impact of L5 dorsal root ganglion degeneration and Adamkiewicz artery vasospasm on descending colon dilatation following spinal subarachnoid hemorrhage: An experimental study; first report
Öztürk, Cengiz; Kanat, Ayhan; Aydın, Mehmet Dumlu; Yolaş, Coşkun; Kabalar, Mehmet Esref; Gündoğdu, Betül; Duman, Aslıhan; Kanat, İlyas Ferit; Gündoğdu, Cemal (Wolters Kluwer Medknow Publications, 2015)Context: Somato-sensitive innervation of bowels are maintained by lower segments of spinal cord and the blood supply of the lower spinal cord is heavily dependent on Adamkiewicz artery. Although bowel problems are sometimes ... -
Important casual association of carotid body and glossopharyngeal nerve and lung following experimental subarachnoid hemorrhage in rabbits. First report
Yolaş, Coşkun; Kanat, Ayhan; Aydın, Mehmet Dumlu; Türkmenoğlu, Osman Nuri; Gündoğdu, Cemal (Elsevier Science Bv, 2014)Object: the glossopharyngeal nerves (GPNs) and carotid bodies (CBs) have an important role in the continuation of the cerebral autoregulation and cardiorespiratory functions. the relationship between degenerative injury ... -
Important finding for COVID-19 pandemic; Hydrocephalus producing effect of vaporised alcohol disinfectant
Kanat, Ayhan; Aydın, Mehmet Dumlu; Şahin, Balkan; Daltaban, İskender Samet; Gel, Mehmet Selim; Güvercin, Ali Rıza; Demirtaş, Rabia (Georg Thieme Verlag, 2022)Background: Alcohol exposure may cause hydrocephalus. In this study, the effect of vaporized nasal alcohol exposure on the choroid plexus, ependymal cells, and developing hydrocephalus was investigated. METHODS: 24 males ... -
Important interaction between urethral taste bud-like structures and Onuf's nucleus following spinal subarachnoid hemorrhage: A hypothesis for the mechanism of dysorgasmia
Çağlar, Özgür; Aydın, Mehmet Dumlu; Aydın, Nazan; Ahıskalıoğlu, Ali; Kanat, Ayhan; Aslan, Remzi; Önder, Arif (Elsevier, 2022)Background: We previously postulated that orgasmic sensation may occur through recently discovered genital taste bud-like structures. The interaction between the pudendal nerve and Onuf's nucleus may be important for ... -
The important liaison between onuf nucleus-pudendal nerve ganglia complex degeneration and urinary retention in spinal subarachnoid hemorrhage: An experimental study
Yolaş, Coşkun; Kanat, Ayhan; Aydın, Mehmet Dumlu; Öztürk, Cengiz; Kabalar, Eşref; Akça, Nezih; Eren, Hüseyin; Gündoğdu, Cemal; Kotan, Dilcan; Aydın, Nazan (Elsevier Inc., 2016)Objective The Adamkiewicz artery (AKA) supplies pudendal nerve roots and conus medullaris. The aim of this study was to elucidate if there is any relationship between neurodegenerative changes of the Onuf nucleus (ON)-pudendal ... -
Interaction between neurogenic pulmonary edema and thoracic 3 DRG degeneration following spinal subarachnoid hemorrhage; first experimental study
Şirinoğlu, Deniz; Sarıgül, Buse; Kanat, Ayhan; Aydın, Mehmet Dumlu; Demirtaş, Rabia (Stuttgart : Thieme, 2023)Aim: Neurogenic pulmonary edema (NPE) following subarachnoid hemorrhage (SAH) is still one of the most catastrophic complications with its high morbidity and mortality rate. Systemic sympathetic hyperactivity has been ...
