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Gazzetta Medica Italiana Archivio per le Scienze Mediche 1999 April;158(2):41-3

Copyright © 1999 EDIZIONI MINERVA MEDICA

language: English

Incidence of total knee replacement in Copenhagen

Levi N.

Department of Orthopaedic Surgery, Frederiksberg Hospital, Department of Orthopaedic Surgery, Rigshospitalet, University of Copenhagen (Denmark)


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Back­ground. ­Total ­knee arthro­plasty is ­being ­used increas­ingly for the treat­ment of ­advanced ­knee ­joint dis­ease. How­ever the inci­dence of ­total ­knee replace­ment oper­a­tions per­formed in Den­mark has not ­been pre­vi­ously ­reported. The inci­dence of ­total ­knee replace­ment was ­studied in Copen­hagen ­during a 17 ­year ­period ­from 1979 to 1995.
­Methods. ­During a ­period of 17 ­years (Jan­uary 1979-­December 1995) all ­patients oper­ated ­with a ­total ­knee replace­ment at Fred­e­riks­berg Uni­ver­sity Hos­pital ­were ­recorded.
­Results. A ­total of 618 pri­mary ­total ­knee replace­ments ­were per­formed (468 in ­women and 150 in men). The ­mean age was 72 ­years (­range 35-89 ­years). The under­lying dis­ease ­among ­patients who under­went ­total ­knee arthro­plasty was osteoar­thritis in 574 ­cases, rheu­ma­toid ­arthritis in 26 ­cases and var­ious ­other con­di­tions in 18 ­cases. The ­overall inci­dence was 41.3/100,000 inhab­i­tants/year. The inci­dence for the pop­u­la­tion ­aged ­over 50 ­years was 103/100,000. The inci­dence ­increased ­from 15.9 per 100,000 per­sons in 1979 to 76.1 per 100,000 in 1995.
Con­clu­sions. The inci­dence of pri­mary ­total ­knee arthro­plasty was sim­ilar to the inci­dence ­found in Fin­land and ­Sweden but some­what ­lower ­than ­reported in the USA.

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