4,288 research outputs found

    It's worth cleaning – The examination of the female taper could identify a particular cause of trunnionosis at revision 16 years after total hip arthroplasty

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    Adverse reaction to metal debris (ARMD) is an issue in metal-on-metal (MoM) total hip replacements (THR). It mainly affects large-head MoM THR, whereas 28–32 mm MoM pairings are associated with low long-term revision rates. However, the bearing surface is not necessarily the only cause of metal debris. This report documents with advanced analysis of the retrievals a particular cause of trunnionosis in late failure of a small diameter MoM THR and illustrates the importance of cleaning of the taper when seating the head in THR. A 65-year-old patient was revised due to ARMD 16 years after small diameter MoM THR. Debridement and exchange of the inlay and the head had been performed through an anterior approach. While the cup and the outer surface of the head were accessible to direct analysis by an optical coordinate measuring machine, the female taper had to be analysed indirectly by measuring an imprint. Wear from the cup and the head was within expected low ranges. The analysis of the female taper identified bone fragments, which contributed to trunnionosis. Failure due to ARMD after MoM THR is not necessarily caused by the bearing, but can be due to trunnionosis. Bone fragments within the taper contact in this case highlight the importance of meticulous cleaning of the taper before seating the head, to avoid trunnionosis

    Adrian Caesar speaking at Alex Miller author: A Celebration, held at the National Library, Canberra, 30 October 2011 /

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    Title from information supplied by photographer.; Part of the collection: Alex Miller author: A Celebration, held at the National Library of Australia theatre, 30 October 2011.; Mode of access: Online.; Photographed by a staff member of the National Library of Australia

    [Letter from Alex Bradford to Lieutenant and Mrs. Ray Starner - November 4, 1940]

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    Letter from Alex Bradford to Lieutenant and Mrs. Ray Starner describing the the current state of affairs that the author was experiencing, including: the London blitz, the moral of the troops on the ground, and the collective company of men opposing the Nazi regime

    Alex Haley, author

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    Examines the life and achievements of Alex Haley, celebrated author of "Roots" and other writings, discussing his life and literary career, as well as his obsession with researching his family's history

    Description by author Alex Irvine of his recent participation in the San Diego C

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    Description by author Alex Irvine of his recent participation in the San Diego Comic-Con, one of the largest conferences of comic/media/book producers and consumers. Irvine was there to promote his new fiction book, One King, One Soldier, published by Del Rey

    Recovery through contradiction?

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    With this new drug strategy, the circle has turned. It was a Conservative government that introduced the first drug strategy, Tackling Drugs Together, in 1995. This aimed to reduce drug related crime, protect young people and reduce health harms by discouraging drug use. It was criticised at the time for having unrealistic, intangible aims and for not providing the necessary funding. New Labour’s strategies introduced increasingly specific targets and massively expanded the funding of treatment. This new Coalition strategy has no targets and provides no new funding

    Alex Miller signing books at the National Library of Australia, Canberra, 30 October 2011 /

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    Title from information supplied by photographer.; Part of the collection: Alex Miller author: A Celebration, held at the National Library of Australia theatre, 30 October 2011.; Mode of access: Online.; Photographed by a staff member of the National Library of Australia

    Alex Miller taking questions at the National Library of Australia, Canberra, 30 October 2011 /

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    Title from information supplied by photographer.; Part of the collection: Alex Miller author: A Celebration, held at the National Library of Australia theatre, 30 October 2011.; Mode of access: Online.; Photographed by a staff member of the National Library of Australia

    Alex Miller and Genevieve Jacobs at the National Library of Australia, Canberra, 30 October 2011 /

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    Title from information supplied by photographer.; Part of the collection: Alex Miller author: A Celebration, held at the National Library of Australia theatre, 30 October 2011.; Mode of access: Online.; Photographed by a staff member of the National Library of Australia

    Alex Miller at the National Library of Australia theatre, 30 October 2011, 1 /

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    Title from information supplied by photographer.; Part of the collection: Alex Miller author: A Celebration, held at the National Library of Australia theatre, 30 October 2011.; Mode of access: Online.; Photographed by a staff member of the National Library of Australia
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