Abstract
The effects of lipo-prostaglandin (PG) E1, which are lipid microspheres containing PGE1, were examined using 2 x 12 cm random pattern skin flaps on the backs of five rabbits. Five rabbits acted as controls. Both surviving length (8.5 (3.1) compared with 4.9 (1.8) cm) and surviving area (22.1 (9.3) compared with 11.5 (6.1) cm2) of the skin flap were significantly increased (p < 0.03 in each case). In three additional rabbits the blood flow on the distal side of the skin flap, where it was poor, was measured using a laser image blood flowmeter. Blood flow was improved five to 15 minutes after injection of lipo-PGE1 and was maintained for at least 60 minutes. In conclusion, lipo-PGE1 increased the blood flow of the random skin flaps, resulting in significant enlargement of the surviving area of skin flaps.
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