Effects of renal sympathetic blockade on renal hemodynamics in patients undergoing major aortic abdominal surgery.
D000368:Aged; D000767:Anesthesia, Epidural; D001012:Aorta, Abdominal / Q000601:surgery*; D001340:Autonomic Nerve Block; D006439:Hemodynamics; D006801:Humans; D007668:Kidney / Q000294:innervation / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D012079:Renal Circulation