Investigation and clinical application of cutaneous-muscular flap in treatment of leg long segmental necrosis / 中国矫形外科杂志

Objective To investigate the usage of cutaneous-muscular flap in the treatment of leg long segmental osteonecrosis.MethodOsteonecrosis models of tibia was made in 48 rabbits and divided randomly into control goup of tibia necrotic bone covered with free skin graft and experimental group with cutaneous-gastrocnemius flap. All of them were examined with ECT, radiograph, osteocalcin measurement and histological observation in 2, 4, 8, 12 weeks postoperatively. Treatment of tibia long segmental necrosis with covering of cutaneous-gastrocnemius flap in 436 patiens were reviewed.ResultAbsorptive radioactivity in arterio-phase and delay-phase of ECT in experimental group were higher than those in control group(P