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Letter
Joint lavage and pseudogout
  1. P Pasquetti,
  2. E Selvi,
  3. K Righeschi,
  4. M Fabbroni,
  5. R De Stefano,
  6. E Frati,
  7. R Marcolongo
  1. Section of Rheumatology, Department of Clinical Medicine and Immunological Science, University of Siena, Policlinico “Le Scotte”, V le Bracci 53100, Siena, Italy
  1. Correspondence to:
    Dr P Pasquetti
    pasquetti3virgilio.it

https://doi.org/10.1136/ard.2003.015354

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    Joint lavage, although its efficacy is still under debate,1–6 seems to be effective, mostly, in the treatment of gonarthritis associated or not with chondrocalcinosis (CC).2,3,7 Paradoxically, acute pseudogout is a complication of this technique.8 Our study aimed at evaluating the incidence of pseudogout in 73 patients with gonarthritis, associated or not with CC, who underwent arthroscopic lavage (AL).

    METHODS AND RESULTS

    In this retrospective study we assessed the incidence of pseudogout attacks that occurred 24 hours after surgery in 73 consecutive patients with gonarthritis (52 women (71%), 21 men (29%)), who underwent AL of the knee at our hospital. All the patients had medium-severe symptomatic osteoarthritis, according to Kellgren and Lawrence’s classification (II-III-IV degrees),9 and were unresponsive to drugs (that is …

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