Axial and sciatic arteries: a new interpretation.
Journal Title: International Journal of Medical Science and Innovative Research (IJMSIR) - Year 2019, Vol 4, Issue 2
Abstract
Introduction: The sciatic artery is rare anatomical vascular variation. it appear in the first trimester during pregnancy. It regresses as the femoral system develops. Failure of regression results in Axial or sciatic artery. Methods: In an investigation of 92 female and 79 male cadavers based on dissection, the persistent sciatic and axial arteries were identified and classified based on their origin and location. Results: Sciatic arteries were observed to arise from a number of different arteries in 68 specimens: anterior trunk of the internal iliac artery (12 specimen); internal pudendal artery (1 specimen); posterior trunk of the internal iliac artery (44 specimens); anterior and posterior trunks as a double artery (4 specimens); superior gluteal artery (7 specimens). In addition, the sciatic arteries were observed to give the superior and inferior gluteal arteries (12 and 9 specimens respectively). Discussion: This questions the general embryological origin of a persistent sciatic artery. The embryological origin of the proximal part of the axial artery and whether it forms the superior or inferior gluteal artery is discussed, together with the general arrangement of the internal iliac and femoral arterial systems. Presentation of the sciatic artery is also discussed with respect to existing embryological theories and from a new perspective. A number of embryological vascular anomalies are also discussed. Conclusion: Understanding the vascular variability with coexistence of sciatic artery will alert radiologists to report them for surgeons, orthopaedics, and gynaecologists. This results in decrease the bleeding during and after operations.
Authors and Affiliations
Dr Waseem Al Talalwah
Keywords
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