[Application of popliteal intermediate cutaneous artery descending branch island flap for treatment of knee joint scar].

Objective: To investigate the effect with the popliteal intermediate cutaneous artery descending branch island flap repair the wound in the knee joint after resection of scar.

Methods: From January 2006 to December 2014,A total of 12 cases of knee joint contracture patients,8 cases were male,4 were female; the age ranged from 4 to 58 years old;8 cases of hot water scald, electric injury in 2 cases,2 cases of scar radioactive contracture,3 cases with ulcer. The knee extension 10 degrees to 30 degrees. For scar excision of knee joint loosening, the scar excision wound size (3-5) cm × (10-14) cm, popliteal intermediate cutaneous wounds with artery descending branch island flap, The flap size (4-6) cm × (11-15) cm. Donor sites were closed directly in 2 cases,10 cases of skin graft.

Results: The all were followed up after operation. Follow-up 6 to 24 months, the 12 cases survived completely, and the skin graft donor site homogeneity of survival, the skin color and similar to the surrounding mucosa, soft texture, shape is not bloated, the knee extension of up to 0 degree, and the walking without a limp.

Conclusions: The popliteal intermediate cutaneous artery descending branch island flap blood supply is reliable, donor and recipient adjacent region, which has the advantages of simple operation, is one of the ideal flap for repairing the knee joint wound.