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A posterior approach for inspection of reduction of sacroiliac joint disruption

Contrôle de la réduction des luxations sacro-iliaques par une voie d'abord postérieure

  • Anatomic Bases Of Medical, Radiological And Surgical Techniques
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Summary

This anatomic study was undertaken to describe a new posterior approach enabling direct inspection of reduction of sacroiliac joint disruption (SIJD), and guidance of iliosacral screw placement. The reduction of SIJD is usually monitored by inspection of the opposing sacrum and ilium at the posterior margin of the greater sciatic notch and there is a relative lack of information concerning inspection of reduction of SIJD from the posterosuperior aspect of the sacroiliac joint surface. Ten cadavers were dissected to determine the possibility of inspecting reduction of SIJD from the posterosuperior aspect of the sacroiliac joint by means of a posterior approach which passed immediately lateral to the deep back muscles and the fifth lumbar transverse process. The results indicated that the posterosuperior aspect of the sacroiliac joint surface and sacral ala can be directly palpated or visualised. This approach facilitates improved access for inspection of reduction of SIJD and guidance of iliosacral screw placement.

Résumé

Le but de cette étude anatomique est de décrire une voie d'abord originale permettant de contrôler directement la réduction d'une luxation de l'articulation sacro-ilaque (LSI), et de guider la mise en place de vis sacroilaques. La réduction d'une LSI est habituellement controlée par rapport à l'aspect du sacrum et de l'ilium du coté opposé au niveau du bord postérieur de la grande échancrure sciatique, mais il existe un manque de données sur le controle de la réduction d'une LSI au niveau de la partie postéro-supérieure de l'articulation sacro-iliaque. Dix cadavres ont été disséqués afin de définir la possibilité de contrôler la réduction d'une LSI au niveau du bord postéro-sup'erieur de l'articulation sacro-iliaque par une voie d'abord postérieure passant immédiatement en dehors de la masse musculaire sacro-lombaire et du cinquième processus transverse lombaire. Les résultats montrent que la partie postéro-supérieure de l'articulation sacro-iliaque et l'aile du sacrum peuvent être directement palpés ou visualisés. Cet abord permet un meilleur contrôle de la réduction d'une LSI et facilite la mise en place de vis sacro-iliaques.

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Ebraheim, N.A., Lu, J., Heck, B.E. et al. A posterior approach for inspection of reduction of sacroiliac joint disruption. Surg Radiol Anat 21, 305–307 (1999). https://doi.org/10.1007/BF01631329

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  • DOI: https://doi.org/10.1007/BF01631329

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