Collateral network concept in 2023.
Collateral network
spinal cord injury
thoracoabdominal aorta
Journal
Annals of cardiothoracic surgery
ISSN: 2225-319X
Titre abrégé: Ann Cardiothorac Surg
Pays: China
ID NLM: 101605877
Informations de publication
Date de publication:
28 Sep 2023
28 Sep 2023
Historique:
received:
25
02
2023
accepted:
10
07
2023
medline:
11
10
2023
pubmed:
11
10
2023
entrez:
11
10
2023
Statut:
ppublish
Résumé
Extensive thoracoabdominal aortic aneurysm repair can cause spinal cord ischemia which significantly impacts survival and quality of life. Although this complication is uncommon, it is important to recognize the pathophysiology and preventative measures. In the 1990s, Dr. Griepp and colleagues proposed the existence of an extensive collateral network that supports spinal cord perfusion, "the collateral network concept". This includes an interconnecting complex of vessels in the intraspinal, paraspinous, and epidural spaces, and in the paravertebral muscles, involving the intercostal and lumbar segmental arteries as well as the subclavian and hypogastric (iliac) arteries. In this concept, as opposed to the one major segmental input model such as the Adamkiewicz artery, recognition of the importance of multiple inputs to the spinal circulation is paramount to maintaining the spinal blood flow and preventing spinal cord ischemia. In this article, we review the current evidence of the collateral concept and its application in aortic surgery.
Identifiants
pubmed: 37817844
doi: 10.21037/acs-2023-scp-15
pii: acs-12-05-450
pmc: PMC10561329
doi:
Types de publication
Journal Article
Review
Langues
eng
Pagination
450-462Informations de copyright
2023 Annals of Cardiothoracic Surgery. All rights reserved.
Déclaration de conflit d'intérêts
Conflicts of Interest: The authors have no conflicts of interest to declare.
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