scholarly journals Microsurgical anatomy of the artery of Adamkiewicz and its segmental artery

1998 ◽  
Vol 5 (3) ◽  
pp. E2
Author(s):  
Cargill H. Alleyne ◽  
C. Michael Cawley ◽  
George G. Shengelaia ◽  
Daniel L. Barrow
Keyword(s):  
Spinal Cord ◽  
Treatment Planning ◽  
Blood Supply ◽  
Anatomical Study ◽  
Microsurgical Anatomy ◽  
Review Of The Literature ◽  
Segmental Artery ◽  
Artery Of Adamkiewicz ◽  
Segmental Arteries

Object The blood supply of the lower spinal cord is heavily dependent on the artery of Adamkiewicz, which characteristically originates from one of the thoracolumbar segmental arteries. The aforementioned artery is of enormous clinical, surgical, and radiological importance, and the goal of this study was to elucidate the course and branches of the segmental artery that gives rise to this important vessel. Methods In this cadaveric, microsurgical anatomical study, the authors investigate and describe the course and branches of the artery of Adamkiewicz and the segmental branch from which it ultimately originates. A review of the literature is provided. Conclusions By documenting the microsurgical anatomy of these important vessels, this study facilitates an understanding of the anatomy that will aid in treatment planning for surgery of various lesions in this area.

Microsurgical anatomy of the artery of Adamkiewicz and its segmental artery

1998 ◽  
Vol 89 (5) ◽  
pp. 791-795 ◽  
Author(s):  
Cargill H. Alleyne ◽  
C. Michael Cawley ◽  
George G. Shengelaia ◽  
Daniel L. Barrow
Keyword(s):  
Spinal Cord ◽  
Blood Supply ◽  
Anatomical Study ◽  
Microsurgical Anatomy ◽  
Review Of The Literature ◽  
Content Type ◽  
Segmental Artery ◽  
Artery Of Adamkiewicz ◽  
Segmental Arteries ◽  
Fine Print

Object. The blood supply of the lower spinal cord is heavily dependent on the artery of Adamkiewicz, which characteristically originates from one of the thoracolumbar segmental arteries. The aforementioned artery is of enormous clinical, surgical, and radiological importance, and the goal of this study was to elucidate the course and branches of the segmental artery that gives rise to this important vessel. Methods. In this cadaveric, microsurgical anatomical study, the authors investigate and describe the course and branches of the artery of Adamkiewicz and the segmental branch from which it ultimately originates. A review of the literature is provided. Conclusions. By documenting the microsurgical anatomy of these important vessels, this study facilitates an understanding of the anatomy that will aid in treatment planning for surgery of various lesions in this area.

scholarly journals Arteriogenesis of the Spinal Cord—The Network Challenge

Cells ◽  
2020 ◽  
Vol 9 (2) ◽  
pp. 501 ◽  
Author(s):  
Florian Simon ◽  
Markus Udo Wagenhäuser ◽  
Albert Busch ◽  
Hubert Schelzig ◽  
Alexander Gombert
Keyword(s):  
Spinal Cord ◽  
Aortic Aneurysm ◽  
Signaling Pathways ◽  
Blood Supply ◽  
Spinal Cord Ischemia ◽  
Notch Pathway ◽  
Additional Stress ◽  
Cytokine Signaling ◽  
Segmental Artery ◽  
Collateral Network

Spinal cord ischemia (SCI) is a clinical complication following aortic repair that significantly impairs the quality and expectancy of life. Despite some strategies, like cerebrospinal fluid drainage, the occurrence of neurological symptoms, such as paraplegia and paraparesis, remains unpredictable. Beside the major blood supply through conduit arteries, a huge collateral network protects the central nervous system from ischemia—the paraspinous and the intraspinal compartment. The intraspinal arcades maintain perfusion pressure following a sudden inflow interruption, whereas the paraspinal system first needs to undergo arteriogenesis to ensure sufficient blood supply after an acute ischemic insult. The so-called steal phenomenon can even worsen the postoperative situation by causing the hypoperfusion of the spine when, shortly after thoracoabdominal aortic aneurysm (TAAA) surgery, muscles connected with the network divert blood and cause additional stress. Vessels are a conglomeration of different cell types involved in adapting to stress, like endothelial cells, smooth muscle cells, and pericytes. This adaption to stress is subdivided in three phases—initiation, growth, and the maturation phase. In fields of endovascular aortic aneurysm repair, pre-operative selective segmental artery occlusion may enable the development of a sufficient collateral network by stimulating collateral vessel growth, which, again, may prevent spinal cord ischemia. Among others, the major signaling pathways include the phosphoinositide 3 kinase (PI3K) pathway/the antiapoptotic kinase (AKT) pathway/the endothelial nitric oxide synthase (eNOS) pathway, the Erk1, the delta-like ligand (DII), the jagged (Jag)/NOTCH pathway, and the midkine regulatory cytokine signaling pathways.

Effects on Spinal Cord Blood Flow and Neurologic Function Secondary to Interruption of Bilateral Segmental Arteries Which Supply the Artery of Adamkiewicz

Spine ◽  
2008 ◽  
Vol 33 (14) ◽  
pp. 1533-1541 ◽  
Author(s):  
Satoshi Kato ◽  
Norio Kawahara ◽  
Katsuro Tomita ◽  
Hideki Murakami ◽  
Satoru Demura ◽  
...  
Keyword(s):  
Spinal Cord ◽  
Blood Flow ◽  
Cord Blood ◽  
Spinal Cord Blood Flow ◽  
Artery Of Adamkiewicz ◽  
Neurologic Function ◽  
Segmental Arteries

Anatomical study of blood supply to the spinal cord

2003 ◽  
Vol 76 (6) ◽  
pp. 1967-1971 ◽  
Author(s):  
Kiyofumi Morishita ◽  
Gen Murakami ◽  
Yasuaki Fujisawa ◽  
Nobuyoshi Kawaharada ◽  
Jhoji Fukada ◽  
...  
Keyword(s):  
Spinal Cord ◽  
Blood Supply ◽  
Anatomical Study

Anatomical study of the arterial blood supply to the thoracolumbar spinal cord in guinea pig

2014 ◽  
Vol 90 (4) ◽  
pp. 203-208 ◽  
Author(s):  
David Mazensky ◽  
Jan Danko ◽  
Eva Petrovova ◽  
Peter Supuka ◽  
Anna Supukova
Keyword(s):  
Spinal Cord ◽  
Guinea Pig ◽  
Blood Supply ◽  
Anatomical Study ◽  
Arterial Blood Supply ◽  
Arterial Blood

New Technique for Preconditioning of the Spinal Cord Before Endovascular Repair of Descending Thoracic and Thoracoabdominal Aortic Aneurysms

2019 ◽  
Vol 26 (5) ◽  
pp. 691-696 ◽  
Author(s):  
Björn Sonesson ◽  
Nuno V. Dias ◽  
Timothy A. Resch
Keyword(s):  
Spinal Cord ◽  
Stent Graft ◽  
Spinal Cord Ischemia ◽  
Thoracoabdominal Aortic Aneurysm ◽  
Artery Occlusion ◽  
Aortic Aneurysms ◽  
Segmental Artery ◽  
Definitive Repair ◽  
Thoracoabdominal Aortic Aneurysm Repair ◽  
Segmental Arteries

Purpose: To propose a new simplified technique to occlude multiple segmental arteries for staging and preconditioning of the spinal cord to decrease the potential for spinal cord ischemia after thoracic and thoracoabdominal aortic aneurysm repair. Technique: A thoracic stent-graft that flares out to a maximum of 51 mm is deployed in a standard fashion covering all segmental arteries where graft-wall apposition occurs in the first ~20 cm of the aneurysm. The segmental arteries are always closed at their ostia in contrast to selective coil embolization, where there is a risk of more peripheral closure. Follow-up imaging shows thrombus lining the stent-graft–covered portion of the aneurysm and secondary proximal segmental artery occlusion. Conclusion: A new and fast way of staging and preconditioning the spinal cord using a modified stent-graft prior to definitive repair might be an alternative to segmental artery embolization.

scholarly journals Anatomical study of blood supply to the spinal cord in the rabbit

Spinal Cord ◽  
2010 ◽  
Vol 49 (4) ◽  
pp. 525-528 ◽  
Author(s):  
D Mazensky ◽  
J Radonak ◽  
J Danko ◽  
E Petrovova ◽  
M Frankovicova
Keyword(s):  
Spinal Cord ◽  
Blood Supply ◽  
Anatomical Study
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