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  • Title: Rhenium-188 radiosynovectomy for chronic haemophilic synovitis: Evaluation of its safety and efficacy in haemophilic patients.
    Author: Kachooei AR, Heidari A, Divband G, Zandinezhad ME, Mousavian A, Farhangi H, Aminzadeh B, Zarifian A, Bagheri F, Badiei Z.
    Journal: Haemophilia; 2020 Jan; 26(1):142-150. PubMed ID: 31814241.
    Abstract:
    INTRODUCTION: Radiocolloids labelled with less costly and more accessible radionuclides such as rhenium-188 are of interest to developing countries compared with those labelled with rhenium-186 and yttrium-90. AIM: This study was aimed to evaluate the efficacy and safety of radiosynovectomy using rhenium-188 in patients with chronic haemophilic synovitis and recurrent hemarthrosis. METHODS: In this quasi-experimental prospective study, 20 haemophilic patients were evaluated at preinjection, and at 1, 3, 6 and 12 months after injection. Magnetic resonance imaging (MRI) was done to measure synovial thickness and to calculate Denver score. Joint radiographs were taken to measure the Pettersson score. The Gilbert questionnaire, Functional Independence Score in Hemophilia (FISH) and visual analogue scale (VAS) for pain were completed, and the number of bleeding episodes and factor consumption were recorded at each follow-up visit. RESULTS: The number of bleeding episodes, the amount of factor consumption per month, VAS pain scores and synovial thickness decreased significantly over time (P < .05). Gilbert and FISH scores showed significant improvement (P < .001). However, Pettersson score and Denver score showed no significant changes after injection. Minor complications including temporary pain and swelling occurred in 20% of patients, and no major complication was observed after rhenium-188 injection. CONCLUSION: Our results indicated high clinical impact, efficacy, safety and low invasion of rhenium-188 in radiosynovectomy of haemophilic patients. Considering the availability and relatively low cost of rhenium-188 in developing countries, this can be a good treatment option for haemophilic patients with recurrent hemarthrosis, particularly when the synovial hypertrophy is not massive yet.
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