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The number of patients undergoing THA is constantly increasing. This trend is reported worldwide and results from multiple factors, including the progresses made in the field of hip surgery, the quality of the functional results, the increasing patient life span, the higher functional demand, and the enlargement of THA indications to younger patients and older patients as well. Consequently, the number of patients undergoing THA revision also increased significantly with time [4, 18, 19, 32]. For Kurtz et al. [18, 19], the total number of procedures in the United States from 2009 to 2010 increased by 6.0% for primary total hip arthroplasty, and 10.8% for revision total hip arthroplasty. The number of THA will increase from 174% in 2030, and the number of THA revision will double in 2026. In the same way, Bozic et al. [4], reported an increase of THA revision by 23% between 2005 and 2010 in the US. |
