Abstract
Despite the known effectiveness of anti-inflammatory therapy in reducing reperfusion injury, no studies to date involve the use of anti-inflammatory therapy in reducing ischemia-reperfusion injury in fasciocutaneous flaps. Dexamethasone (a phospholipase A2 inhibitor) and specific cyclooxygenase and lipoxygenase inhibitors (indomethacin and BW755C) were administered to rats with ischemic island groin (fasciocutaneous) flaps. Significant improvement in ischemic flap survival was found with dexamethasone and BW755C. The mode of action of dexamethasone was not specifically investigated in our study; however, it may suppress neutrophil function and reduce ischemia-reperfusion injury in its shared ability with BW755C to reduce the formation of leukotrienes. Dexamethasone could be applied in the clinical setting to reduce ischemic flap loss by attenuating the systemic inflammatory response to reperfused ischemic-damaged tissue.
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