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February 28, 1972

Medical News

JAMA. 1972;219(9):1141-1148. doi:10.1001/jama.1972.03190350005003

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Knee replacements pass first tests  This decade may well see equally rapid progress in knee replacement as was seen in total hip replacement during the 1960s.The word from the recent American Academy of Orthopaedic Surgeons (AAOS) meeting in Washington, DC, is that not only will knee replacement become commonplace; it may be followed by replacement of such joints as the shoulder, the elbow, and perhaps the lower joint of the thumb.One of the first big steps making widespread knee replacement possible may occur soon, perhaps within the month. The Food and Drug Administration is expected to approve methyl methacrylate for general clinical use in knee surgery.Approved three months ago for general clinical use in total hip replacement, the rapidly setting bonding substance has already been used in hundreds of hip-replacement procedures, conducted under Investigational New Drug (IND) permits. The AAOS is completing a series of 25 one-day