• J Clin Ultrasound · Jan 2012

    Randomized Controlled Trial Comparative Study

    Accuracy of blind versus ultrasound-guided suprapatellar bursal injection.

    • Bum Park Yong Y Department of Physical Medicine & Rehabilitation, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, South Korea., Ah Choi Won W, Yong-Kyun Kim, Chul Lee Sang S, and Hae Lee Ji J.
    • Department of Physical Medicine & Rehabilitation, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, South Korea.
    • J Clin Ultrasound. 2012 Jan 1; 40 (1): 20-5.

    PurposeTo compare the accuracy rates between ultrasound (US)-guided and blind knee intra-articular injection via the suprapatellar bursa.MethodsNinety-nine patients with radiographically confirmed knee osteoarthritis (Kellgren/Lawrence grade 2 or 3) without effusion were included. Fifty patients were assigned to the US-guided injection group and 49 to the blind injection group. After a US-guided or blind injection of hyaluronic acid (HA) and contrast dye through the suprapatellar bursa into the knee joint, a radiographic image was obtained in each case to ascertain whether all injected material had reached the intra-articular space.ResultsUS-guided HA injection exhibited a significantly greater accuracy (48 of 50 knees, 96.0%) than blind injection (41 of 49 knees, 83.7%).ConclusionsIntra-articular injections through the suprapatellar bursa under US guidance increased the accuracy of knee joint injections.Copyright © 2011 Wiley Periodicals, Inc.

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