In all of the following, sympathectomy is effective except one -

Sympathectomy is of no value in intermittent claudication as sympathectomy does not influence muscle blood flow. Blood flow in the skin but not in the muscle is controlled by sympathetic nervous system. If the arterial supply is inadequate, ischemic changes in the skin may be relieved by sympathetic blockage but the impaired blood flow to muscles is unlikely to improve. Possible indications for svmpathectomy. Ischemic disorders mainly of the limbs. Buerger's ds. Raynand's ds. Arterial injury or embolism Acrocyanosis Erythrocyanosis Frost bite Hyperhydrosis Causalgia Visceral pain For healing of an amputation stump Atherosclerotic ischemia of limb