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Quantitative anatomical and morphological classification of the iliac vessels anterior to the lumbosacral vertebrae

Authors
 Do-Sang Cho  ;  Sang-Jin Kim  ;  Eui-Kyo Seo  ;  In-Hyuk Chung  ;  Chang-Seok Oh 
Citation
 JOURNAL OF NEUROSURGERY-SPINE, Vol.3(5) : 371-374, 2005 
Journal Title
 JOURNAL OF NEUROSURGERY-SPINE 
ISSN
 1547-5654 
Issue Date
2005
MeSH
Adult ; Aged ; Aged, 80 and over ; Cadaver ; Female ; Humans ; Iliac Artery/anatomy & histology* ; Iliac Vein/anatomy & histology* ; Intervertebral Disc/blood supply* ; Intervertebral Disc/surgery ; Lumbosacral Region/blood supply ; Lumbosacral Region/surgery ; Male ; Middle Aged ; Minimally Invasive Surgical Procedures/adverse effects ; Minimally Invasive Surgical Procedures/methods* ; Postoperative Complications/parasitology* ; Regional Blood Flow
Keywords
anatomy ; iliac artery ; iliac vein ; lumbosacral spine ; vascular injury
Abstract
OBJECT: Anterior surgical approaches to the lumbosacral disc spaces are being undertaken with increasing frequency. This increase and the use of minimally invasive techniques themselves have the potential to raise the incidence of major vessel injuries. The purpose of this study was to determine the variability of the vascular anatomy anterior to the lumbosacral spine and to draw conclusions regarding surgical accessibility of the L5-S1 disc space. METHODS: Thirty-five cadavers (age range at the time of death 31-87 years) were obtained to evaluate the anatomical features of iliac vessels with respect to the anterior approach to the lumbosacral spine. Direct measurement and morphological classification regarding the relations of these great vessels to the four arbitrary reference points of the lumbosacral disc space were performed. The mean width and height of the L5-S1 disc were 56.4 mm (range 41.6-65.4 mm) and 18.8 mm (range 10-24 mm), repectively. According to the authors' morphological classification, nine specimens (26%) were found to be Type A (standard), 12 (34%) Type B (narrow), two (6%) Type C (ajar), and 12 (34%) Type D (obstacle). CONCLUSIONS: The authors have noted quite a variation in the venous vascular anatomy anterior to the lumbosacral disc. During surgical planning for the anterior approach to the lumbosacral spine when using any technique, it is vital to assess carefully radiographic and neuroimaging studies to minimize potentially disastrous vascular complications.
Full Text
http://thejns.org/doi/abs/10.3171/spi.2005.3.5.0371
DOI
10.3171/spi.2005.3.5.0371
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Anatomy (해부학교실) > 1. Journal Papers
Yonsei Authors
Chung, In Hyuk(정인혁)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/150914
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