右腎動脈起始部の解剖学的バリエーションに関する検討 --起始角度と腹側への突出程度--

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タイトル別名
  • Anatomical Variation of the Origin of the Right Renal Artery : Assessment with an Angle of the Origin and Ventral Protrusion
  • ウジンドウミャクキシブ ノ カイボウガクテキ バリエーション ニ カンスル ケントウ : キシ カクド ト フクソク エ ノ トッシュツ テイド

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説明

The right renal artery has been considered to originate laterally from the anterior aspect of aorta. In some cases, it turns more ventrally than the aorta, which can lead to intraoperative right renal artery injury. For this reason, we evaluated how the right renal artery turns ventrally and analyzed the factors for ventral protrusion of the right renal artery. We examined contrast-enhanced computed tomography images of 195 individuals and measured their angles of the right renal artery and ventral protrusion from the aorta. Age and sex had no significant correlation with these variations. A weaknegative correlation was found between body mass index and these variations. Almost all the right renal artery originated from the ventral side of the aorta, and almost half the right renal artery arose ventrally more than the aorta. Careful attention should be paid to ventral protrusion of the right renal artery to prevent vascular injury during surgery using the anterior approach to the upper retroperitoneum.

収録刊行物

  • 泌尿器科紀要

    泌尿器科紀要 66 (2), 37-40, 2020-02-29

    泌尿器科紀要刊行会

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