The PCA unicompartmental knee. A 1-4-year comparison of fixation with or without cement

Acta Orthopaedica Scandinavica
A LindstrandN Egund

Abstract

Totally, 93 knees were operated on with the PCA unicompartmental knee for gonarthrosis Stages I-III according to Ahlbäck. The clinical findings for 84 arthroplasties with 1-4 years' follow-up showed 82 excellent or good results. The mean postoperative flexion was 124 degrees. The position of the tibial component was respectively 86 degrees and 89 degrees in the AP and lateral views. The mechanical axis was slightly undercorrected. There were two failures, both with persistent pain on walking. One failure was among 43 uncemented knees, whereas the other was among the 41 cemented arthroplasties. Four uncemented arthroplasties had a first steps' problem but were satisfactory otherwise. There was no infection or clinical loosening. A reoperation was performed in 1 case, in which a symptomatic osteophyte was removed. When compared with our earlier Marmor series, the PCA unicompartmental arthroplasties were better. The cemented arthroplasties had a somewhat higher frequency of complete pain relief. An uncemented arthroplasty should only be considered in special situations.

References

Jan 1, 1986·The Journal of Arthroplasty·R S Laskin
Aug 1, 1982·Acta Orthopaedica Scandinavica·A LindstrandK G Thorngren

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Citations

Nov 25, 2014·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Danilo BruniMaurilio Marcacci
Dec 1, 1995·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·G Gacon
Dec 1, 1995·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·B Maudhuit
Aug 1, 1991·Clinical Biomechanics·I IvarssonK Sommerlath
Jun 29, 2005·The Knee·Laura BragonzoniMaurilio Marcacci
Apr 6, 2004·The Orthopedic Clinics of North America·R M Dominic MeekClive P Duncan
Aug 1, 1993·Acta Orthopaedica Scandinavica·A HarilainenV Vahvanen
Jun 1, 1992·Acta Orthopaedica Scandinavica·A Lindstrand, A Stenström
Jul 21, 2016·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·S CampiD W Murray
Sep 3, 2020·Journal of Orthopaedics and Traumatology : Official Journal of the Italian Society of Orthopaedics and Traumatology·Anurag MittalTae Kyun Kim

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