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KMID : 1195520090020020062
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Journal of Korean Orthopaedic Ultrasound Society
2009 Volume.2 No. 2 p.62 ~ p.67
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Three Dimensional Ultrasonographic Evaluation with Intra-articular Saline Injection in Rotator Cuff Tear
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Yum Jae-Kwang
Shin Yong-Woon
Park Shin-Seung
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Abstract
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Purpose: The purpose of this study is to find out the accuracy and usability of the three dimensional ultrasonography in measuring the size of the rotator cuff tear, especially before and after the injection of normal saline into the glenohumeral joint.
Materials and Methods: 14 patients of rotator cuff tear who were diagnosed and operated from August 2007 to September 2008 were included in this study and authors compared the size of rotator cuff tear measured with three dimensional ultrasonography with the real size measured intraoperatively. In preoperative ultrasonographic evaluation, horizontal and longitudinal length of rotator cuff tear before and after injection of normal saline intraarticularly. During the arthroscopic operation the size of tear was measured by passing a Kirschner wire through a spinal needle and direct measure was performed in open surgery.
Results: The average difference was 8 mm in horizontal and 1.9 mm in longitudinal length of tear without saline injection between ultrasonographic and intraoperative measure. The average difference was 4.1 mm in horizontal and 1.6 mm in longitudinal length of tear after the normal saline injection.
Conclusion: In three dimensional ultrasonographic evaluation in rotator cuff tear, intraarticular normal saline injection would produce more accurate results.
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KEYWORD
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Shoulder, Rotator Cuff Tear, Three dimensional ultrasonography, Intra-articular normal saline injection
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