Ozkan Uğur, Oğuzkurt Levent, Tercan Fahri, Kizilkiliç Osman, Koç Zafer, Koca Nihal
Department of Radiology, Başkent University School of Medicine, Adana, Turkey.
Diagn Interv Radiol. 2006 Dec;12(4):183-6.
To determine angiographically the origins and variations of renal arteries.
The study included 855 consecutive patients (163 females, 692 males; mean age, 61 years) living in the Cukurova region of Turkey, who underwent either aortofemoropopliteal (AFP) angiography for the investigation of peripheral arterial disease, or renal angiography for renovascular hypertension, and were prospectively evaluated. Renal arteries were visualized by non-selective catheterization during AFP angiography and by selective or non-selective catheterization during renal angiography. Locations of renal artery origins and renal artery variations, including the presence of extra renal arteries and division patterns were analyzed on angiograms.
The origin of main renal arteries off the aorta was between the upper margin of L1 and lower margin of L2 vertebra in 98% of the patients, and in 74%, this was the origin of extra renal arteries. The most common location for renal artery origin was the L1-L2 intervertebral disc level. A single renal artery was present in both kidneys in 76% of patients. Renal artery variations included multiple arteries in 24%, bilateral multiple arteries in 5%, and early division in 8% of the cases. Additional renal arteries on the right side were found in 16% and on the left side in 13% of cases. Of all the extra renal arteries, the percentage of accessory and aberrant renal arteries were 49% and 51%, respectively.
Renal arteries originated between the first and the second lumbar vertebral levels in most patients. Extra renal arteries were quite frequent. These results should be kept in mind when a non-invasive diagnostic search is performed for renal artery stenosis, or when renal surgery related to renal arteries is performed.
通过血管造影确定肾动脉的起源及变异情况。
本研究纳入了连续的855例患者（女性163例，男性692例；平均年龄61岁），这些患者居住在土耳其的库库罗瓦地区，因外周动脉疾病接受了主动脉股腘动脉（AFP）血管造影检查，或因肾血管性高血压接受了肾血管造影检查，并进行了前瞻性评估。在AFP血管造影期间通过非选择性导管插入术观察肾动脉，在肾血管造影期间通过选择性或非选择性导管插入术观察肾动脉。在血管造影片上分析肾动脉起源的位置以及肾动脉变异情况，包括肾外动脉的存在及分支模式。
98%的患者主肾动脉在主动脉上的起源位于第1腰椎上缘和第2腰椎下缘之间，74%的情况下，此处也是肾外动脉的起源。肾动脉起源最常见的位置是第1 - 2腰椎间盘水平。76%的患者双肾均为单支肾动脉。肾动脉变异包括24%的患者有多支动脉，5%的患者双侧有多支动脉，8%的病例有早期分支。右侧发现额外肾动脉的病例占16%，左侧占13%。在所有肾外动脉中，副肾动脉和迷走肾动脉的比例分别为49%和51%。
大多数患者的肾动脉起源于第1和第2腰椎水平之间。肾外动脉相当常见。在对肾动脉狭窄进行无创诊断检查或进行与肾动脉相关的肾脏手术时，应牢记这些结果。
