<prompt> Lumbar sympathectomy is of value in the management ofIntermittent claudicationDistal ischaemia affecting the skin of the toesAeriovenous FistulaBack pain  <response>: . Ans: b Distal ischemia affecting the skin of toes Ref. Textbook of surgery by S. Das-3rd - Indications for sympathectomy: 1. Circulatory insufficiency of the limbs Limb warms, pain reduces and ulcers may show signs of regression o Atherosclerosis with rest pain, impending gangrene of toes o Raynauds Syndrome temporary relief o Buergers disease 2. Hyperhidrosis 3. Causalgia 