Sacrum magnetic resonance imaging for low back and tail bone pain: A quality initiative to evaluate and improve imaging utility |
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Authors: | Samantha Castillo Robert Joodi L Errett Williams Parham Pezeshk Avneesh Chhabra |
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Affiliation: | Samantha Castillo, Robert Joodi, Parham Pezeshk, Avneesh Chhabra, Department of Radiology, UT Southwestern, Dallas, TX 75390, United StatesL Errett Williams, Medical School, UT Southwestern, Dallas, TX 75390, United States |
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Abstract: | As quality and cost effectiveness become essential in clinical practice, an evidence-based evaluation of the utility of imaging orders becomes an important consideration for radiology’s value in patient care. We report an institutional quality improvement project including a retrospective review of utility of sacrum magnetic resonance (MR) imaging for low back pain at our institution over a four-year period and follow-up results after physician education intervention. Sacral MR imaging for low back pain and tailbone pain were only positive for major findings in 2/98 (2%) cases, and no major changes in patient management related to imaging findings occurred over this period, resulting in almost $500000 cost without significant patient benefit. We distributed these results to the Family Medicine department and clinics that frequently placed this order. An approximately 83% drop in ordering rate occurred over the ensuing 3 mo follow-up period. Sacrum MR imaging for low back pain and tail bone pain has not been a cost-effective diagnostic tool at our institution. Physician education was a useful tool in reducing overutilization of this study, with a remarkable drop in such studies after sharing these findings with primary care physicians at the institution. In conclusion, sacrum MR imaging rarely elucidates the cause of low back/tail pain diagnosed in a primary care setting and is even less likely to result in major changes in management. The practice can be adopted in other institutions for the benefit of their patients and improve cost efficiency. |
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Keywords: | Sacrum magnetic resonance imaging Low back pain Tail bone pain Musculoskeletal imaging Quality improvement Radiology |
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