Study On The Anatomy Of The Lumbosacral Anterior Great Vessels Pertinent ToL5/S1 Anterior Interbody Surgery With Computer Tomography Angiography / Liehua LIU in Acta Orthopaedica Belgica, Vol 80/4 (Décembre 2014)

Public ISBD [article]  inActa Orthopaedica Belgica > Vol 80/4 (Décembre 2014) . - p.537-543 Titre : Study On The Anatomy Of The Lumbosacral Anterior Great Vessels Pertinent ToL5/S1 Anterior Interbody Surgery With Computer Tomography Angiography Type de document : texte imprimé Auteurs : Liehua LIU, Auteur Année de publication : 2014 Article en page(s) : p.537-543 Langues : Anglais (eng) Mots-clés : anatomy  lumbosacral great vessel  anterior interbody surgery  CT angiography Résumé : We investigate the anatomy of the lumbosacral anterior great vessels using computer tomography (CT) angiography before L5/S1 anterior interbody surgery. Sixty-two adult patients were selected. The location of the abdominal aortic bifurcation and common iliac venous confluence in the lumbar vertebrae and the anatomic parameters of the iliac vascular space (e.g., distances from the included angle vertex of the iliac vascular space to the median sagittal plane and to the inferior boundary of L5 and distances between the left and right iliac vessels on the inferior boundary of L5 and on the superior boundary of S1) were analysed. Overall, 67.73% of the 62 cases had an abdominal aortic bifurcation located at L4 and L4/5 intervertebral disc ; 61.29%, the common iliac venous confluence located at L5. The four distances mentioned above were 0.98 cm ± 0.38 cm, 2.01 cm ± 1.26 cm, 3.11 cm ± 1.35 cm and 4.34 cm ± 1.10 cm, respectively. A classification system of types A, B and C was developed. The calculated L5/S1 intervertebral space exposure percentages of types A, B and C were 32.21%, 82.58% and 54.68%, respectively. During L5/S1 anterior interbody surgery, type B intervertebral discs can be exposed conveniently, preventing injury of the iliac vessels, which was also observed in 54.68% and 32.21% of the type C and type A discs, respectively. Because the type A intervertebral disc has minimal exposure, the risk of iliac vascular injury is relatively high in these patients. Permalink : ./index.php?lvl=notice_display&id=34675 [article] Study On The Anatomy Of The Lumbosacral Anterior Great Vessels Pertinent ToL5/S1 Anterior Interbody Surgery With Computer Tomography Angiography [texte imprimé] / Liehua LIU, Auteur . - 2014 . - p.537-543. Langues : Anglais (eng) in Acta Orthopaedica Belgica > Vol 80/4 (Décembre 2014) . - p.537-543 Mots-clés : anatomy  lumbosacral great vessel  anterior interbody surgery  CT angiography Résumé : We investigate the anatomy of the lumbosacral anterior great vessels using computer tomography (CT) angiography before L5/S1 anterior interbody surgery. Sixty-two adult patients were selected. The location of the abdominal aortic bifurcation and common iliac venous confluence in the lumbar vertebrae and the anatomic parameters of the iliac vascular space (e.g., distances from the included angle vertex of the iliac vascular space to the median sagittal plane and to the inferior boundary of L5 and distances between the left and right iliac vessels on the inferior boundary of L5 and on the superior boundary of S1) were analysed. Overall, 67.73% of the 62 cases had an abdominal aortic bifurcation located at L4 and L4/5 intervertebral disc ; 61.29%, the common iliac venous confluence located at L5. The four distances mentioned above were 0.98 cm ± 0.38 cm, 2.01 cm ± 1.26 cm, 3.11 cm ± 1.35 cm and 4.34 cm ± 1.10 cm, respectively. A classification system of types A, B and C was developed. The calculated L5/S1 intervertebral space exposure percentages of types A, B and C were 32.21%, 82.58% and 54.68%, respectively. During L5/S1 anterior interbody surgery, type B intervertebral discs can be exposed conveniently, preventing injury of the iliac vessels, which was also observed in 54.68% and 32.21% of the type C and type A discs, respectively. Because the type A intervertebral disc has minimal exposure, the risk of iliac vascular injury is relatively high in these patients. Permalink : ./index.php?lvl=notice_display&id=34675

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