Ischemic pain is a distinct type of pain associated with decreased or complete cessation of blood flow rather than direct damage to tissues or neuropathic processes. The variety of pathological conditions which produce arterial or venous blood flow obstruction will be discussed. Ischemic pain is often intractable and requires acute intervention aimed at reperfusion of the ischemic tissues. This chapter describes various pain management tools which may be utilized for treatment of patients with chronic ischemic pain as adjuncts to reperfusion techniques for the most common condition associated with ischemic pain, peripheral arterial occlusive disease.
"Ischemia" is defined as deficient blood supply to a part of the body. Pain is defined as an unpleasant sensory and emotional experience associated with actual or potential tissue damage or described in terms of such damage. Therefore, the ischemic pain can be defined as an unpleasant sensory and emotional experience associated with impaired circulation of blood.
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