I heard that total hip replacements dislocate easily. How often does this happen?
Loosening and dislocation of the implant are the two most common problems faced by patients after a total hip joint replacement. The rate of dislocation varies from study to study. One study reports 0.6 percent (fewer than one patient every 100).
Other studies report up to seven percent. A very large study placed this closer to 2 percent. The wide ranges in figures may be explained by who did the surgery. Doctors in large centers or hospitals who do more hip joint replacements have lower rates of dislocation.
Most studies report numbers from these large reviews. However, most hip replacements are done by surgeons who treat fewer patients.
Robert L. Barrack, MD. Dislocation After Total Hip Arthroplasty: Implant Design and Orientation. In Journal of the American Academy of Orthopaedic Surgeons. March/April 2003. Vol. 11. No. 2. Pp. 89-99.
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