Browsing by Author "Aydin, Mehmet Dumlu"
Now showing items 1-18 of 18
-
Brachial Artery Vasospasm Caused by Cervical Dorsal Root Ganglion Degeneration After Subarachnoid Hemorrhage: An Experimental Study
Kayaci, Salim; Cakir, Tayfun; Aydin, Mehmet Dumlu; Kanat, Ayhan; Omeroglu, Muhammed; Levent, Akin; 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 ... -
Describing a New Mechanism of Retinal Detachment Secondary to Ophthalmic Artery Vasospasm Following Subarachnoid Hemorrhage: An Experimental Study
Findik, Huseyin; Kanat, Ayhan; Aydin, Mehmet Dumlu; Cakir, Murteza; Ozmen, Sevilay Akalp; Okutucu, Murat; 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 ... -
Estimating basilar artery upper rupture limit by dangerous alarming diameter of arteries (DADA) following bilateral common carotid artery ligation; a new theorem
Aydin, Mehmet Dumlu; Kanat, Ayhan; Aydin, Aybike; Aydin, Ayca; Demirci, Tuba; Ozmen, 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 objective experimental evidence of hearing impairment following subarachnoid haemorrhage; Felix culpa, phonophobia, and elucidation of the role of trigeminal ganglion
Celiker, Metin; Kanat, Ayhan; Aydin, Mehmet Dumlu; Ozdemir, Dogukan; Aydin, Nazan; Yolas, Coskun; 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 ... -
How Reliable Is Pupillary Evaluation Following Subarachnoid Hemorrhage? Effect of Oculomotor Nerve Degeneration Secondary to Posterior Communicating Artery Vasospasm: First Experimental Study
Ozturk, Cengiz; Ozdemir, Nuriye Guzin; Kanat, Ayhan; Aydin, Mehmet Dumlu; Findik, Huseyin; Aydin, Nazan; Calik, 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
Ozturk, Cengiz; Kanat, Ayhan; Aydin, Mehmet Dumlu; Yolas, Coskun; Kabalar, Mehmet Esref; Gundogdu, Betul; Gundogdu, 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 ... -
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
Aydin, Mehmet Dumlu; Kanat, Ayhan; Aydin, Nazan; Kantarci, Abdulmecit; Ayvaz, Muhammet Ali; Rakici, Halil; 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 ... -
A new experimental evidence that olfactory bulb lesion may be a causative factor for substantia nigra degeneration; preliminary study
Aydin, Mehmet Dumlu; Kanat, Ayhan; Hacimuftuoglu, Ahmet; Ozmen, Sevilay; Ahiskalioglu, Ali; Kocak, 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 Histopathologic Evidence for the Parasympathetic Innervation of the Kidney and the Mechanism of Hypertension Following Subarachnoid Hemorrhage
Kepoglu, Umit; Kanat, Ayhan; Aydin, Mehmet Dumlu; Akca, Nezih; Kazdal, Hizir; Zeynal, Mete; Sipal, Sare Altas (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 ... -
A New Technique in Surgical Management of the Giant Cerebral Hydatid Cysts
Aydin, Mehmet Dumlu; Karaavci, Nuh Cagri; Akyuz, Mehmet Emin; Sahin, Mehmet Hakan; Zeynal, Mete; Kanat, Ayhan; Altinors, 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 ... -
Paradoxic Relations between Basilar Artery Reconfiguration and Superior Cervical Ganglia Ischemia After Bilateral Common Carotid Artery Ligation
Kilic, Mustafa; Kilic, Betul; Aydin, Mehmet Dumlu; Kanat, Ayhan; Yilmaz, Ilhan; Eseoglu, Metehan; Gundogdu, Betul (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 ... -
Rational Roots of Sympathetic Overactivity by Neurogenic Pulmonary Edema Modeling Arising from Sympathyco-Vagal Imbalance in Subarachnoid Hemorrhage: An Experimental Study
Onen, Mehmet Resid; Yilmaz, Ilhan; Ramazanoglu, Leyla; Tanriverdi, Osman; Aydin, Mehmet Dumlu; Kanat, Ayhan; 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 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
Aydin, Mehmet Dumlu; Aydin, Nazan; Kanat, Ayhan; Akca, Nezih; Ardic, Gizem; Yolas, Coskun; Calik, 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 ... -
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, Hizir; Kanat, Ayhan; Aydin, Mehmet Dumlu; Yazar, Ugur; Guvercin, Ali Riza; Calik, Muhammet; Gundogdu, Betul (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 ... -
Uncovering a New Cause of Obstructive Hydrocephalus Following Subarachnoid Hemorrhage: Choroidal Artery Vasospasm-Related Ependymal Cell Degeneration and Aqueductal Stenosis-First Experimental Study
Yolas, Coskun; Ozdemir, Nuriye Guzin; Kanat, Ayhan; Aydin, Mehmet Dumlu; Keles, Papatya; Kepoglu, Umit; Gundogdu, 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, ... -
Unpublished Neuropathologic Mechanism Behind the Muscle Weakness/Paralysis and Gait Disturbances Induced by Sciatic Nerve Degeneration After Spinal Subarachnoid Hemorrhage: An Experimental Study
Kilic, Mustafa; Aydin, Mehmet Dumlu; Demirci, Elif; Kilic, Betul; Yilmaz, Ilhan; Tanriverdi, Osman; Kenat, 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
Yolas, Coskun; Kanat, Ayhan; Aydin, Mehmet Dumlu; Altas, Ender; Kanat, Ilyas Ferit; Kazdal, Hizir; Gursan, 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 ... -
Water-Filled Vesicles of Choroid Plexus Tumors
Aydin, Mehmet Dumlu; Kanat, Ayhan; Karaavci, Nuh Cagri; Sahin, Hakan; Ozmen, 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 ...
