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Measurement of Sacroiliac Joint Volume Using Live Fluoroscopy

 Jung Min Lee  ;  Do-Hyeong Kim  ;  Duck Mi Yoon  ;  Kyung Bong Yoon 
 International Journal of Pain, Vol.5(1) : 11-17, 2014 
Journal Title
 International Journal of Pain 
Issue Date
sacroiliac joint ; volume ; fluoroscopy ; intra-articular injection
Background: The sacroiliac joint (SIJ) is one source of mechanical low back pain. According to previous reports, volumes of 1.26-1.5 ml of contrast were required to SIJ until a firm endpoint resistance was reached or subjects reported discomfort. By contrast, up to 5 ml of injectate volume is recommended for SIJ block in some text books. We used live fluoroscopy to investigate the precise volume of injectate for IA SIJ. Methods: IA SIJ injection under live fluoroscopic guidance was performed using a mixture of contrast and local anesthetic as an injectate to patients with suspected symptomatic mechanical SIJ pain. The solution was injected until a firm endpoint resistance was produced and the operator confirmed that there was no further expansion of the injectate out of SIJ space. The volume of the solution injected was recorded. Results: Data from 55 SIJ injections in 40 patients were analyzed. The volume of injectate necessary for IA SIJ filling was 1.45 ± 0.44 ml. The minimum volume used was 0.7 ml and the maximum was 2.5 ml. The volume of the injectate had no clinically significant correlation with gender, age, weight, height, BMI, affected side and duration of symptom. Conclusions: Our result revealed that similar volume is needed to fill the SIJ compared to previous reports. The volume of the injectate had no clinically significant correlation with patients’ demographics, making it difficult to predict an adequate volume of injectate in advance for IA SIJ block.
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1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Do Hyeong(김도형) ORCID logo https://orcid.org/0000-0003-2018-8090
Yoon, Kyoung Bong(윤경봉) ORCID logo https://orcid.org/0000-0002-4167-1375
Yoon, Duck Mi(윤덕미)
Lee, Jung Min(이정민)
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