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1.
Q J Nucl Med Mol Imaging ; 66(4): 324-333, 2022 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-36106912

RESUMO

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. Six, seven, eight and nine years following RSO, efficacy did not decrease significantly. Ten years after RSO, the effectiveness of the therapy fell to 65% (95% CI 59-71%). Overall, 64% of patients did not need another joint puncture ten years after RSO. We achieved excellent to good results at 5 years in 79% of patients with rheumatoid arthritis, 59% with ankylosing spondylitis, and 62% with osteoarthritis. Efficacy was mainly affected by the local X-ray stage of the knee joint. A significant association was also found between the diagnosis of the underlying disease and the success of radiosynoviorthesis. Efficacy, however, was not substantially affected by any of the following factors: the duration of synovitis, the number of punctures before radiosynoviorthesis, the number of intraarticular steroid injections before the procedure, or the number of interventions before radiosynoviorthesis (radiotherapy, surgery). CONCLUSIONS: Radiosynoviorthesis is an effective long-term method of treating chronic synovitis. The treatment showed the most favorable effects in patients with rheumatoid arthritis and those with mild to moderate degenerative osseous changes.


Assuntos
Artrite Reumatoide , Sinovite , Humanos , Seguimentos , Sinovite/diagnóstico por imagem , Sinovite/radioterapia , Artrite Reumatoide/radioterapia , Articulação do Joelho , Estudos Prospectivos , Resultado do Tratamento
3.
Eur J Nucl Med Mol Imaging ; 46(8): 1633-1641, 2019 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-31129693

RESUMO

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. METHODS: Radionuclide therapy with intra-articular administration of colloidal 90Yttrium citrate was performed in osteoarthritic patients [Kellgren-Lawrence grades I/II (n = 69) and Kellgren-Lawrence grade III (n = 72)]. RESULTS: In patients with early-stage disease, an excellent/good response with respect to pain, joint mobility, and function was observed in 82.5% for 1 year and in 73.7% for 8 years after therapy. Responses declined to 50% at 10 years post treatment. In grade III patients, an excellent/good response was observed in 45.9%; a decline to 41.2% was observed in the first 8 years. In this group, the number of patients available for follow-up after 9 and 10 years dropped significantly from 51 patients after 8 years to only 30 patients after 9 years, and to nine patients after 10 years. As a result, these response rates were not appraisable. CONCLUSION: Long-term results of radiosynoviorthesis in knee osteoarthritis are excellent/good in many patients. The response rate depends on Kellgren-Lawrence stages, and early-stage radionuclide therapy for osteoarthritis is suggested.


Assuntos
Citratos/uso terapêutico , Efeitos Adversos de Longa Duração/epidemiologia , Compostos Organometálicos/uso terapêutico , Osteoartrite do Joelho/complicações , Compostos Radiofarmacêuticos/uso terapêutico , Sinovite/radioterapia , Adulto , Idoso , Citratos/efeitos adversos , Feminino , Humanos , Efeitos Adversos de Longa Duração/etiologia , Masculino , Pessoa de Meia-Idade , Compostos Organometálicos/efeitos adversos , Compostos Radiofarmacêuticos/efeitos adversos , Sinovite/etiologia
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