What to expect from osteotomy for Perthes disease

Perthes disease affects the developing hip joint. An osteotomy changes the position or shape of the thighbone or pelvic bone so the hip is better contained while it heals. The surgeon will explain which bone is involved and whether metal plates, screws or other supports are needed. The child may stay in hospital for observation, pain relief and mobility teaching. A cast or brace may be used, and walking may be restricted at first.

Arrange help with bathing, transport and school routines before surgery. Afterward, follow the weight-bearing instructions closely and give medicines only as directed. Physiotherapy may focus on safe transfers, gentle hip movement and strength as healing allows. Keep dressings and any cast dry, attend imaging appointments, and ask when sitting, sleeping, sports and school activities can resume. Progress is guided by examination and scans rather than by a fixed timetable.

Contact the surgical team promptly for worsening pain, a new fever, increasing redness or drainage, a tight or damaged cast, or toes that become pale, blue, cold or unusually numb. Urgent assessment is needed for breathing difficulty, severe swelling, uncontrolled pain or a sudden inability to move the leg. Do not wait for the next scheduled visit if recovery changes noticeably.

Ask which bone will be repositioned, what support will be placed, how long walking restrictions may last, and which movements are safe at home. Clarify the physiotherapy plan, wound and cast care, signs of infection, school arrangements and how follow-up scans will guide the next stage.