scholarly journals Vertebrobasilar System in the European Hare

2016 ◽  
Vol 60 (2) ◽  
pp. 20-23
Author(s):  
S. Flešárová ◽  
D. Maženský
Keyword(s):  
Spinal Cord ◽  
Vertebral Artery ◽  
Cervical Spinal Cord ◽  
High Variability ◽  
Arterial System ◽  
Corrosion Casting ◽  
European Hare ◽  
Vertebral Arteries ◽  
Vertebrobasilar System ◽  
The Right

Abstract The aim of this study was to describe the arterial arrangement of the cervical spinal cord in the hare using the corrosion technique. The study was carried out on 10 adult European hares (Lepus Europeus). The arterial system of the cervical spinal cord was injected using Batson’s corrosion casting kit No. 17. The fusion of the bilateral vertebral arteries was found in 70% of the cases without a connecting branch and in 30% of the cases with one connecting branch just posterior to the fusion. The ventral spinal artery was in connection with the right vertebral artery in 60% of the cases and by means of an anastomosis of two spinal branches arising from the bilateral vertebral arteries in 40% of the cases. Based on the results of this study, it is possible to conclude that there is a high variability of the blood supply to the cervical part of the spinal cord in the hare.

scholarly journals Arteries of the Cervical Spinal Cord in the European Hare

2016 ◽  
Vol 60 (1) ◽  
pp. 59-62
Author(s):  
D. Maženský ◽  
S. Flešárová
Keyword(s):  
Spinal Cord ◽  
Blood Supply ◽  
Cervical Spinal Cord ◽  
Dorsal Surface ◽  
Arterial System ◽  
Cervical Region ◽  
Corrosion Casting ◽  
European Hare ◽  
The Right ◽  
Dorsal Spinal

Abstract The aim of this study was to describe the blood supply to the cervical spinal cord in the European hare using the dissection technique. This study was carried out on 10 adult European hares. The arterial system of the cervical spinal cord was injected using Batson’s corrosion casting kit No. 17. The presence of the ventral radicular branches of the rami spinales entering the ventral spinal artery in the cervical region was observed in 62.1 % as left-sided and in 37.9 % of the cases as right-sided. There were two dorsal spinal arteries located on the dorsal surface of the cervical spinal cord in 70 % of the cases, and no dorsal spinal artery in 30 % of the cases. The presence of the ventral radicular branches of the rami spinales that reached the spinal cord, was observed in 66.2 % of the cases on the left side and in 33.8 % of the cases on the right side. Based on our results, we can conclude that there is high variability of the blood supply to the cervical spinal cord in the European hare.

The arterial blood supply to the cervical spinal cord in European hare

Biologia ◽  
2015 ◽  
Vol 70 (3) ◽  
Author(s):  
David Mazensky ◽  
Slavka Flesarova
Keyword(s):  
Spinal Cord ◽  
Blood Supply ◽  
Cervical Spinal Cord ◽  
Cervical Region ◽  
Corrosion Casting ◽  
European Hare ◽  
Arterial Blood Supply ◽  
Arterial Blood ◽  
The Right ◽  
Dissection Technique

AbstractThe aim of this study was to describe the arterial arrangement of the cervical spinal cord in hare. The study was carried out on 20 adult European hares. Ten hares were used in the corrosion technique and ten hares in the dissection technique. After the killing, the vascular network was perfused with saline. Batson’s corrosion casting kit no. 17 © was used as a casting medium. After polymerisation of the medium, in ten hares the maceration was carried out in KOH solution, and in ten other hares formaldehyde was injected by the dissection technique into the vertebral canal. We found high variability in blood supply of the cervical spinal cord. The origin of the ventral spinal artery from the right vertebral artery was found on average in 65 % of the cases and from the anastomosis of two ventral spinal arteries was found on average in 35% of the cases. The presence of ventral branches of spinal branches entering the ventral spinal artery in the cervical region was observed in 37.9% of the cases on the right side and in 62.1% of the cases on the left side. The presence of dorsal branches of spinal branches was observed in 66.2% of the cases on the left side and in 33.8% of the cases on the right side.

scholarly journals Anatomical Arrangement of the Subclavian Artery Branches in the Rabbit and European Hare

2017 ◽  
Vol 61 (4) ◽  
pp. 22-27
Author(s):  
D. Maženský ◽  
S. Flešárová
Keyword(s):  
Subclavian Artery ◽  
Arterial System ◽  
Entire Body ◽  
Corrosion Casting ◽  
European Hare ◽  
Anatomical Arrangement ◽  
Corrosion Cast ◽  
The Right ◽  
Ways Of Life ◽  
Cast Technique

Abstract The aim of this study was to compare the anatomical arrangements of the branches arising from the subclavian arteries in the domesticated rabbit and hare. The study was carried out on ten adult rabbits and ten adult European hares using the corrosion cast technique. After the euthanasia, the vascular network was perfused with saline. The arterial system of the entire body was injected by Batson’s corrosion casting kit No. 17. After polymerization of the medium, the maceration was carried out in KOH solution. The arrangement of the origins of the branches of the bilateral subclavian arteries were more variable in the hare. The number of branches arising from the subclavian artery were more regular in the rabbit on the right side and in the hare on the left side. In the rabbit, we found in two cases, the origins of the branches of the left subclavian artery from the aortic arch. The anatomical found between the rabbit and the hare may possibly be associated with their different ways of life.

Study of possible anatomical arrangement of the vertebral artery in guinea pig

Biologia ◽  
2015 ◽  
Vol 70 (4) ◽  
Author(s):  
Slavka Flesarova ◽  
David Mazensky ◽  
Peter Supuka
Keyword(s):  
Guinea Pig ◽  
Vertebral Artery ◽  
Subclavian Artery ◽  
Left Subclavian Artery ◽  
High Variability ◽  
Left Vertebral Artery ◽  
Common Trunk ◽  
Corrosion Casting ◽  
Anatomical Arrangement ◽  
The Right

AbstractThe aim of this study was to describe the possible anatomical arrangements of the vertebral artery in guinea pig. The study was carried out on 30 adult English self guinea pigs using corrosion technique. After sacrifice, the vascular network was perfused with saline. Batson’s corrosion casting kit no. 17 © was used as a casting medium. After polymerisation of the medium, the maceration was carried out in KOH solution. We found high variability in the origin of vertebral artery. In 10% of the cases, the left vertebral artery originated independently from the left subclavian artery and in 36.7% of the cases originated by means of a common trunk with some another branches. In 50% of the cases, the left vertebral artery was formed by the fusion of two branches originating from a common trunk with some another branches of the left subclavian artery. In 26.7% of the cases, the right vertebral artery originated independently from the right subclavian artery and in 40% of the cases originated by means of a common trunk with some another branches. Right vertebral artery formed by the fusion of two branches originating independently from the right subclavian artery was present in 20% of the cases. In 13.3% of the cases, the right vertebral artery was formed by the fusion of two branches originating from a common trunk with some another branches of the right subclavian artery.

Giant Pseudoaneurysm of the Extracranial Vertebral Artery Successfully Treated Using Intraoperative Balloon Catheters

Neurosurgery ◽  
1991 ◽  
Vol 28 (5) ◽  
pp. 738-742 ◽  
Author(s):  
Junya Hanakita ◽  
Hideyuki Suwa ◽  
Kiyoshi Nishihara ◽  
Koji Iihara ◽  
Hiroshi Sakaida
Keyword(s):  
Vertebral Artery ◽  
Cardiac Pacemaker ◽  
Innominate Artery ◽  
Anatomical Location ◽  
High Morbidity ◽  
Vertebrobasilar System ◽  
Balloon Catheters ◽  
Extracranial Vertebral Artery ◽  
The Right ◽  
Giant Pseudoaneurysm

Abstract Traumatic pseudoaneurysms of the extracranial vertebral artery rarely occur, because of its deeply protected anatomical location. Because the direct surgical approach has resulted in high morbidity and mortality rates, ligation of the vertebral artery has been adopted, but this can cause an ischemia in the vertebrobasilar system. We report the case of a 73-year-old woman with a huge pseudoaneurysm of the right vertebral artery that occurred after attempted placement of a cardiac pacemaker. The aneurysm was 7 x 7 x 5 cm in size and its neck was situated just distal to the right subclavian artery. Direct surgical repair of the injured vessel and removal of the aneurysm were successfully performed using balloon catheters placed intraoperatively in both the innominate artery and the right vertebral artery.

scholarly journals Neuromyelitis Optica in a Nepalese Man

2017 ◽  
Vol 2017 ◽  
pp. 1-4
Author(s):  
Yogesh Subedi ◽  
Utsav Joshi ◽  
Sanjeeb Sudarshan Bhandari ◽  
Ashbina Pokharel ◽  
Ashbita Pokharel
Keyword(s):  
Spinal Cord ◽  
Neuromyelitis Optica ◽  
Immunoglobulin G ◽  
Cervical Spinal Cord ◽  
Immunosuppressive Treatment ◽  
Lower Limbs ◽  
Inflammatory Disorder ◽  
Hyperintense Signal ◽  
Muscle Groups ◽  
The Right

Background. Neuromyelitis optica is a severely disabling inflammatory disorder of the central nervous system of autoimmune etiology that mainly affects the optic nerves and spinal cord. Here, we present a case report detailing a patient with tingling and weakness of right upper and lower limbs who was neuromyelitis optica immunoglobulin G-positive. Case Presentation. A 46-year-old Nepalese man presented to the hospital with a history of tingling and weakness of right upper and lower limbs that developed over a period of two months. Clinical evaluation showed diminished power across all major muscle groups in the right upper and lower limbs. Magnetic resonance imaging of his cervical spine showed T1 iso- to hypointense signal and T2 hyperintense signal in central cervical spinal cord from first to sixth cervical level, probably suggestive of myelitis or demyelination. The patient was immediately started on intravenous methylprednisolone. The diagnosis of neuromyelitis optica was later confirmed with strongly positive neuromyelitis optica immunoglobulin G. Conclusion. In resource limited setting, in the absence of tests for neuromyelitis optica immunoglobulin G, treatment was started and the patient’s condition started to get better. Hence, early initiation of aggressive immunosuppressive treatment is essential in such cases.

scholarly journals Fourth branch of arch of aorta and its clinical implication

2016 ◽  
Vol 2 (3) ◽  
pp. 24-27
Author(s):  
Rashmi N Gitte ◽  
Chenna Reddy Ganji ◽  
Vishal M Salve
Keyword(s):  
Vertebral Artery ◽  
Aortic Arch ◽  
Subclavian Artery ◽  
Left Vertebral Artery ◽  
Branching Pattern ◽  
Human Beings ◽  
Vertebral Arteries ◽  
Brachiocephalic Trunk ◽  
Great Vessels ◽  
The Right

In human beings the most common branching pattern of the aortic arch was its division into three great vessels ie the brachiocephalic trunk, left common carotid artery and the subclavian artery. The vertebral arteries arise from the superior aspect of the first part of the subclavian artery. In present case, a left vertebral artery arose from the aortic arch as fourth branch was found. The diameter of left vertebral artery at its origin was 6 mm as compared to the right vertebral artery, which has diameter of 3.5 mm at its origin. In this case left sixth dorsal intersegmental artery might have persisted as first part of vertebral artery hence left vertebral artery arising from arch of aorta. Knowledge of the variations in branching pattern of the aortic arch is important in the diagnosis of intracranial aneurysm after subarachnoid haemorrhage.J. Biomed. Sci. 2015, 2(3):21-23.

scholarly journals Unilateral Upper Cervical Posterior Spinal Cord Infarction after a Neuroendovascular Intervention: A Case Report

2018 ◽  
Vol 2018 ◽  
pp. 1-3 ◽  
Author(s):  
Kareem Elzamly ◽  
Christa Nobleza ◽  
Ellen Parker ◽  
Rebecca Sugg
Keyword(s):  
Spinal Cord ◽  
Case Report ◽  
Vertebral Artery ◽  
Cervical Spinal Cord ◽  
Clinical Signs ◽  
Substantial Improvement ◽  
Spinal Cord Infarction ◽  
Adequate Understanding ◽  
Upper Cervical ◽  
Sensory Changes

Context. We describe a case of unilateral posterior upper cervical spinal cord infarction and propose a pathophysiologic mechanism causing this lesion after vertebral artery endovascular intervention. Findings. A 70-year-old male presented with subacute onset of left hemibody sensory changes and gait instability following a left vertebral angioplasty procedure. MRI cervical spine revealed upper posterior cervical spinal cord infarction (PSCI). After 3 months patient had substantial improvement of his symptoms. Conclusion. PSCI is rare but can present as a complication from vertebral artery angioplasty procedure. Early diagnosis of PSCI can be achieved with adequate understanding of its clinical signs and the blood supply of the spinal cord.

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