AU - Iranpour, Maryam AU - Khodarahmi, Ali AU - Khodarahmi, Nima AU - Shafiee, Mohammad AU - Malekpourafshar, Reza AU - Nakhaee, Nozar TI - Montelukast for Medical Delay in Flap Surgery PT - JOURNAL ARTICLE TA - World-J-Plast-Surg JN - World-J-Plast-Surg VO - 9 VI - 1 IP - 1 4099 - http://wjps.ir/article-1-524-en.html 4100 - http://wjps.ir/article-1-524-en.pdf SO - World-J-Plast-Surg 1 ABĀ  - BACKGROUND Delay phenomenon can be used for better blood supply of the flap in plastic surgery. Effects of Montelukast have been observed to reduce ischemia/reperfusion injury in various organs due to angiogenic and anti-oxidant effects. The present study aimed to determine the role of Montelukast as medical delay of the flaps. METHODS In this experimental study, 42 Wistar rats were divided into 3 equal groups. These groups were Surgical Delay Group (SDG), Medical Delay Group (MDG) and Control Group (CG). In SDG, 8×3 cm rectangular randomized random skin flap was first surgically delayed at rats’ back. The MDG received 10 mg/kg oral Montelukast via orogastric tube for 5 days as medical delay. In MDG and SDG flap, harvesting was undertaken after a delayed period, but there was not any delayed period in CG. After delayed period, a segment of the skin flap was biopsied for assessing angiogenesis. After 14th days, the photos were taken and the size of the necrotic area of the flap was measured. RESULTS A significant difference was observed between the mean survival and angiogenesis (p=0.002). The same performance was reported between MDG and SDG, which were alike regarding survival and angiogenesis (p>0.05); while there was a significant difference between the control and surgical groups, as well as control and medical groups (p<0.05). Finally, the inflammation showed no significant difference (p>0.05). CONCLUSION Regarding positive effects of Montelukast on survival and angiogenesis, it is recommended to be used as a medication for larger studies. CP - IRAN IN - Kerman LG - eng PB - World-J-Plast-Surg PG - 48 PT - Original Article YR - 2020