Introduction A doubling of arthroscopic meniscal procedures was observed in Denmark from 2000 to 2011, but arthroscopic meniscal procedures for degenerative meniscal tears are no longer recommended. We performed an updated investigation of Danish meniscal procedure trends in the private and public healthcare sectors in Denmark from 2006 to 2018, including trends for other arthroscopic knee procedures.
Materials and Methods Data on the five most commonly registered arthroscopic knee procedures were extracted from the Danish National Patient Register from January 1st 2006 to December 31st 2018, and linked with the Danish Population Statistic Register from Statistics Denmark to obtain data on age and sex.
Results A total of 414,253 arthroscopic knee procedures were registered during 315,290 surgeries on 244,113individual patients in the study period. For arthroscopic meniscal procedures, the highest incidence rate was observed in 2010 (319 per 105 persons/year, CI95% 314 to 323) and the lowest in 2018 (173 per 105 persons/year, CI95% 169 to 176), corresponding to relative decrease of 46% from 2010 to 2018. Remaining arthroscopic procedures also showed declining trends, with lowest incidence for all procedures in 2018.
Conclusions A large decrease in the incidence for arthroscopic meniscal procedures was observed from 2010 to 2018, possibly in response to mounting evidence of limited benefit of this procedure for degenerative knee disease. All other investigated arthroscopic knee procedures also declined in the same period.
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