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COA (continued)Source: OrthonlineBeijing Declaration: The International President Forum at the COA 2011 Beijing Congress is committed to work on a globalstrategy and technology to unite the resources and musculoskeletal expertise around the world to meet the challenge of anaging population and the rampant threat of road trauma epidemic, natural disaster and emerging infection.The specific areas of focus are: Cooperation, Advocacy, Research, Education, Patient CARE.that at this short follow-up time, no revisions forosteolysis, soft tissue damage or pseudotumor wereobserved in this series. Longer follow-up is neededto evaluate the long-term performance of theseMoM THA.Cementless CoC THA for Crowe IVdysplastic hipsThere are still only very few reports on CoC bearingsimplanted in dysplastic hips.The report by Yonggang Zhou et al. (China)focused on clinical experience with cementless aluminaCoC THA (BIOLOX ® forte) in dysplastic hips. In32 patients with Crowe IV DDH, 43 implantationswere performed between January 2007 and October2010. The mean age was 31.44 ± 7.86 (22–49)years. In 41 cases CoC was used, in 2 cases a PEliner was implanted. The patients were treated witha 28mm ceramic femoral ball head. The mean follow-upwas 25.81 ± 9.72 (13–59) months.In the CoC group acetabular fracture occurred inone case, but the fracture healed and the acetabularcomponent was stable at the latest follow-up.In the observation period no implant-related failurewas observed.The authors concluded that in most patients withCrowe IV DDH a treatment with CoC THA (28mm)is possible. CoC THA in this series achieved in goodclinical and radiographic outcomes. Long-termresults are necessary to confirm these promisingresults.43-year-old female with Crowe IV DDH, post-op X-ray after surgery.Both hip joints were treated simultaneously with a cementless CoCTHA (28mm, BIOLOX ® forte), stabilized with screws.Source: Yonggang Zhou, MD, Surgeon-in-chief, Department of Orthopaedics,The Chinese General Hospital of the People’s Liberation Army, Beijing (China)CeraNews 1/201222Post-op X-ray 4 years after surgery: Cup and stem werestable and well osteointegrated, with no signs of radiolucentlines or osteolysis. The patient was fully satisfiedwith the clinical outcome.Source: Yonggang Zhou, MD, Surgeon-in-chief, Department ofOrthopaedics, The Chinese General Hospital of the People’s LiberationArmy, Beijing (China)