Varus rotational osteotomy (VRO), also called a varus derotational osteotomy (VDO).

A hip osteotomy is performed under general anesthesia. Once the patient has been anesthetized, the surgeon makes an incision to expose the hip joint.

A hip osteotomy is performed in a hospital by surgeons who specialize in the treatment of hip disorders, such as reconstructive orthopedic surgeons, pediatric orthopedic surgeons, and physiatrists.

An osteotomy corrects a hip deformity by cutting and repositioning the bone, most commonly in patients with misalignment of certain joints or mild osteoarthritis.

Immediately following a hip osteotomy, patients are taken to the recovery room where they are kept for one to two hours. The patient's blood pressure, circulation, respiration, temperature,