Comparison of radiological and clinical results of knee intra-articular injections with two ultrasonography-guided approach techniques: A randomized controlled study

Objectives: The objective of this study was to evaluate the clinical and radiological results of intra-articular injections performed with two different ultrasound-guided approaches in knee osteoarthritis. Patients and methods: The randomized controlled study was conducted on 80 knees of 40 patients...

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Bibliographic Details
Published in:Archives of rheumatology 2023-06, Vol.38 (2), p.230-237
Main Authors: Ertilav, Esra, Sarı, Sinem, Ertilav, Devran, Nuri Aydın, Osman
Format: Article
Language:English
Subjects:
Bupivacaine
Comparative analysis
Methods
Original
Osteoarthritis
Ultrasound imaging
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Summary:Objectives: The objective of this study was to evaluate the clinical and radiological results of intra-articular injections performed with two different ultrasound-guided approaches in knee osteoarthritis. Patients and methods: The randomized controlled study was conducted on 80 knees of 40 patients (9 males, 31 females; mean age: 63.6 [+ or -] 8.2 years; range, 46 to 78 years) with Grade 2-3 gonarthrosis that underwent ultrasound- guided intra-articular injections with suprapatellar (SP) or infrapatellar (IP) approaches between March 2020 and January 2021. After the injection, opaque material spread was fluoroscopically observed. Before the procedure and at the one and three months after the procedure, patients' Visual Analog Scale (VAS) scores for pain and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scores for functional recovery were recorded. Results: In both techniques, one- and three-month VAS and WOMAC scores were found to be significantly lower (p50% regression rate of the VAS was 86.7% in patients with positive opaque spread, while VAS regression was significantly higher than those without opaque spread (p=0.02). Conclusion: Although the IP approach shows an early-positive opaque transition due to its proximity to the joint, both approach techniques are clinically effective under ultrasound guidance. Keywords: Chronic pain, infrapatellar approach, intra-articular injection, knee injection, knee osteoarthritis, suprapatellar approach, suprapatellar bursa, ultrasound-guided injection.
ISSN:2148-5046
2618-6500
DOI:10.46497/ArchRheumatol.2023.9382