Long-term clinical results from 10 years follow-up after radiosynoviorthesis: a prospective observational study.

Background: The aim of this study was to assess the long-term anti-inflammatory effect and safety of 90-Yttrium and 166-Holmium radiosynoviorthesis (RSO) for treating chronic knee synovitis of various origins.

Methods: A total of 820 patients were included in this study and were followed up to 10 years after the procedure for objective and subjective changes in signs and symptoms of inflammation.

Results: Five years after RSO, excellent and good results were seen in 71% (95% CI 67-74%) of patients.

A prospective observational study on the long-term results of Yttrium citrate radiosynoviorthesis of synovitis in osteoarthritis of the knee joint.

Objectives: Radiosynoviorthesis (RSO) is used for the treatment of inflammatory joint diseases. However, there are no long-term results published comparing it to conservative therapy. Therefore, the aim of this prospective observational study was to evaluate response rates after radionuclide therapy in patients suffering from knee osteoarthritis over a time period of 10 years.