Periacetabular Osteotomy (PAO)

Periacetabular Osteotomy (PAO)


what is it?

Periacetabular Osteotomy (PAO) is a surgical treatment for hip dysplasia that involves repositioning the acetabulum (socket) into a location that best covers the femoral head. “Periacetabular” means around the acetabulum. “Osteotomy” means to cut bone.

Surgical treatment

This surgical procedure is designed to relieve pain and instability of the hip caused by an abnormally shallow hip socket. In this procedure, the socket is cut and freed from the pelvis, then repositioned at an angle that stabilizes the hip and provides adequate support for the femoral head.

Michael K. Ryan, MD

Michael K. Ryan, MD is a partner at Andrews Sports Medicine & Orthopaedic Center, and member of The Hip Center at Andrews Sports Medicine.

Dr. Ryan specializes in sports medicine and hip preservation routinely performs arthroscopic treatment of the shoulder, elbow, hip and knee. He serves as a team physician for the Birmingham Squadron, Samford University, Spain Park High School, Pleasant Grove High School and Mortimer-Jordan High School. 

If you feel you have hip displasia, or another orthopaedic condition, and would like to request an appointment with Dr. Ryan, call (205) 939-3699 and ask to speak with Dr. Emblom's appointment scheduler.

Request an Appointment Online

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