The results of a press-fit-only technique for acetabular fixation in hip dysplasia

The Journal of Arthroplasty
Masaki TakaoNobuhiko Sugano

Abstract

The purpose of the present study was to evaluate the 6- to 11-year follow-up results of hemispherical porous-coated cups implanted into dysplastic hips using press-fit technique without screws focusing on the amount of host bone coverage. There were 87 patients who underwent 98 primary total hip arthroplasties. Bony coverage was measured as the angle between the vertical line and the line drawn from the cup center to the lateral edge of the acetabulum, which was named the cup center-edge angle (cup-CE angle). All 98 cups were judged to be bone ingrown. The minimum cup-CE angle was 8.4° (mean, 26.3°). Bone-cup contact of more than 8.4° of the cup-CE angle was large enough for press-fit cups to resist superior directed loads during this follow-up period.

References

Feb 3, 2007·The Journal of Bone and Joint Surgery. American Volume·Harlan C AmstutzMichel J Le Duff

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Citations

Mar 7, 2014·Archives of Orthopaedic and Trauma Surgery·Kazunari KurodaHiroyuki Tsuchiya
Jul 19, 2013·Computer Aided Surgery : Official Journal of the International Society for Computer Aided Surgery·Daiki IwanaNobuhiko Sugano
Jun 12, 2012·The Journal of Arthroplasty·Iori TakigamiKatsuji Shimizu
Apr 17, 2012·The Journal of Arthroplasty·Satoshi NakasoneNobuhiko Sugano
May 15, 2015·The Journal of Arthroplasty·Takashi NishiiNobuhiko Sugano
Sep 1, 2015·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Nobuhiro KakuHiroshi Tsumura
Nov 26, 2014·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Tomonori TabataHiroshi Tsumura
Dec 14, 2017·International Journal of Computer Assisted Radiology and Surgery·Takeshi OgawaNobuhiko Sugano
Feb 7, 2019·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Tomonori TetsunagaToshifumi Ozaki
May 12, 2012·Clinical Orthopaedics and Related Research·Eduardo García-ReyAna Cruz-Pardos
Oct 1, 2020·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Kazuhiro YoshidaMasanobu Ujihira
Sep 1, 2017·Journal of Artificial Organs : the Official Journal of the Japanese Society for Artificial Organs·Keisuke UemuraNobuhiko Sugano
Oct 28, 2019·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Tomoya TakasagoKoichi Sairyo
Feb 21, 2019·Veterinary Surgery : VS·William D LiskaBrian A Poteet
Jun 24, 2020·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Takuro UenoHiroyuki Tsuchiya
Apr 11, 2020·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Motoki SonohataMasaaki Mawatari

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