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lumbar artery
(redirected from Lumbar arteries)

   Also found in: Dictionary/thesaurus, Legal, Encyclopedia, Wikipedia 0.01 sec.
lumbar artery
n.
1. Any of four or five pairs of arteries with origin in the abdominal aorta, with distribution to the lumbar vertebrae, muscles of the back, and the abdominal wall, and with anastomoses to the intercostal, subcostal, superior and inferior epigastric, deep circumflex iliac, and iliolumbar arteries.
2. An artery with origin in the median sacral artery, with distribution to the sacrum and iliac muscle, and with anastomosis to the iliac artery; lowest lumbar artery.


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Embolization of large lumbar arteries is often considered to reduce the opportunity for type II endoleaks, and there is evidence that embolization of a patent inferior mesenteric artery prior to placement of an endograft is associated with a lower incidence of endoleak and a more rapid decrease in aneurysm size.
Emergency femoral angiography indicated complete obstruction of the right common iliac and left internal iliac arteries (Figure) with collateral supplies via lumbar arteries.
In addition, the company has initiated a clinical trial in Russia examining the potential of Cardio Vascu-Grow(TM) to improve symptoms in patients with chronic back pain believed to be caused by impaired or blocked lumbar arteries.
 
 
 
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