Yazar "Aydın, Mehmet Dumlu" için listeleme
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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 ... -
Olfactory bulbectomy leads to prolonged induction phase of sevoflurane anesthesia in rats
Ahıskalıoğlıoğlu, Ali; Kanat, Ayhan; Aydın, Mehmet Dumlu; Kazdal, Hızır; Koçak, Nuri; Özmen, Sevilay (Wolters Kluwer Medknow Publications, 2023)The effect of olfactory bulb lesions on the induction time of sevoflurane has never been studied. We aimed to investigate this issue. In this study, we found that the volume of olfactory bulbs and the pore of the fila ... -
Overlooked evidence for transmission deficit of pupillary light reflex can be secondary to trigeminal nerve ganglion degeneration following subarachnoid hemorrhage; preliminary experimental study
Şahin, Mehmet Hakan; Kanat, Ayhan; Karadağ, Mehmet Kürşat; Akyüz, Mehmet Emin; Keleş, Osman Nuri; Gündoğdu, Ömer Lütfi; Fındık, Hüseyin; Aydın, Mehmet Dumlu; Gel, Mehmet Selim; Daltaban, İskender Samet (Taylor & Francis Ltd., 2023)Objective: Although the effect of oculomotor and cervical sympathetic networks on pupil diameter is well known; the effect of the trigeminal nerve on pupil diameter has not been investigated yet. This subject was ... -
Paradoxic relations between basilar artery reconfiguration and superior cervical ganglia ischemia after bilateral common carotid artery ligation
Kılıç, Mustafa; Kılıç, Betül; Aydın, Mehmet Dumlu; Kanat, Ayhan; Yılmaz, İlhan; Eseoğlu, Metehan; Gündoğdu, Betül (Elsevier Science Inc, 2019)BACKGROUND: the relationship between superior cervical ganglia (SCG) ischemia due to bilateral common carotid artery ligation (BCCAL) and basilar artery (BA) reconfiguration was investigated. METHODS: Twenty-three rabbits ... -
Predictive Role of External Carotid Artery Vasospasm on Cerebral Ischemia After Subarachnoid Hemorrhage: Experimental Study
Kanat, Ayhan; Levent, Akın; Yolaş, Coşkun; Aydın, Mehmet Dumlu; Gündoğdu, Cemal; Ozdemır, Nuriye Guzin; 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 ... -
The relationship between the neuron density of the trigeminal ganglion and the posterior communicating artery vasospasm in subarachnoid hemorrhage: An experimental study
Aydın, Mehmet Dumlu; Serarslan, Yurdal; Gündoğdu, Cemal; Aydın, Nazan; Aygül, Recep; Kotan, Dilcan; Ulvi, Hızır; Ander, Arif; Kanat, Ayhan (Wolters Kluwer, 2012)OBJECTIVE: Posterior communicating arteries (PComAs) are innervated by vasodilatatory fibers of the trigeminal ganglion (TGG). We examined whether there is a relationship between the neuron density of the TGG and the ... -
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 ... -
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 ... -
The role of sympathectomy on the regulation of basilar artery volume changes in stenoocclusive carotid artery modeling after bilateral common carotid artery ligation: an animal model
Eşeoğlu, Metehan; Yılmaz, İlhan; Karalar, Mustafa; Aydın, Mehmet Dumlu; Kayacı, Selim; Gündoğdu, Cemal; Günaldı, Ömür; Önen, Mehmet Reşit (Springer Wien, 2014)Stenoocclusive carotid artery disease causes important histomorphologic changes in all craniocervical vasculatures, such as luminal enlargement, vascular wall thinning, elongation, convolutions, and aneurysm formation in ... -
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 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 ... -
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 ... -
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 ...