The ScanHip total hip arthroplasty: radiographic assessment of 72 hips after 10 years

Acta Orthopaedica Scandinavica
Toshiki IwaseH Wingstrand

Abstract

We analyzed the radiographic and clinical outcome of the ScanHip total hip arthroplasty in 70 patients after 10 years. The Swedish National Hip Register, in which the end-point of the survival analysis is defined as revisions, reported a 10-year survival rate of 94% with the ScanHip, but in the present series 13% of the femoral stems and 29% of the sockets met the criteria for aseptic loosening. Focal osteolysis was found around 8 sockets (11%) and 23 stems (32%) and had occurred significantly oftener around loose sockets, but not around femoral stems. Linear polyethylene wear was significantly increased in loose sockets, but no relationship was noted between polyethylene wear and stem loosening or was there a correlation between clinical symptoms or patients' satisfaction and component loosening. Therefore precise serial long-term radiographic follow-up is the only satisfactory method for detecting aseptic loosening of total hip arthroplasty. It gives the surgeon more detailed information about each case than survival analysis alone.

References

Oct 1, 1994·The Journal of Arthroplasty·A B BankstonP M Faris
Sep 1, 1993·The Journal of Bone and Joint Surgery. British Volume·D W MurrayC Bulstrode
Jun 1, 1997·Acta Orthopaedica Scandinavica·O RobertssonR Onnerfält
Aug 1, 1997·The Journal of Arthroplasty·J D EldridgeI D Learmonth

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Citations

Jun 11, 2009·Archives of Orthopaedic and Trauma Surgery·Christian HankSteffen J Breusch
Oct 21, 2003·The Journal of Arthroplasty·Toshiki IwaseYukiharu Hasegawa
Apr 25, 2015·Acta Orthopaedica·Paul van der VoortRob G H H Nelissen
Jun 6, 2006·Acta Orthopaedica·Mikael SundfeldtChristina Gretzer
Dec 28, 2007·The Journal of Bone and Joint Surgery. British Volume·P J YatesG C Bannister
May 8, 2010·Acta Orthopaedica·Gavin J MacphersonSteffen J Breusch
Sep 2, 2009·The Journal of Bone and Joint Surgery. British Volume·M ClaussT Ilchmann
Jul 27, 2018·Archives of Orthopaedic and Trauma Surgery·Yves SalentinyMartin Clauss
Jun 3, 2017·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Motoki SonohataMasaaki Mawatari
May 2, 2012·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Vikki WyldeAshley W Blom

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