This is a series of treatments involving several surgical procedures, a lengthy convalescent period, considerable risks, but can add up to 6 inches in length. Metal pins or screws are inserted into and through the skin and bone above and below the bone incision and the skin incision is stitched closed. Occasionally a cast is placed on the leg for 3 to 4 weeks. Healing is complete in 8 to 12 weeks, at which time full activities can be resumed. Occasionally a cast is placed on the leg for 3 to 4 weeks.
Muscle weakness is common and muscle-strengthening exercises are started soon after surgery.
Crutches are used for 6 to 8 weeks. Some children require 6 to 12 months to regain normal knee control and function. The intramedullary rod is removed at 1 year. Intensive physical therapy is required to maintain normal range of motion. Frequent visits to the doctor are necessary to adjust the lengthening device.