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Accuracy of blind versus ultrasound-guided suprapatellar bursal injection

✍ Scribed by Yong Bum Park; Won Ah Choi; Yong-Kyun Kim; Sang Chul Lee; Ji Hae Lee

Book ID
102887972
Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
517 KB
Volume
40
Category
Article
ISSN
0091-2751

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✦ Synopsis

Abstract

Purpose.

To compare the accuracy rates between ultrasound (US)‐guided and blind knee intra‐articular injection via the suprapatellar bursa.

Methods.

Ninety‐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.

Results.

US‐guided HA injection exhibited a significantly greater accuracy (48 of 50 knees, 96.0%) than blind injection (41 of 49 knees, 83.7%).

Conclusions.

Intra‐articular injections through the suprapatellar bursa under US guidance increased the accuracy of knee joint injections. © 2011 Wiley Periodicals, Inc. J Clin Ultrasound,2011

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