The course and clinical impact of articular magnetic resonance imaging findings 6 months after shoulder manipulation under ultrasound-guided cervical nerve root block for frozen shoulder

  • Saito T
  • Sugimoto H
  • Sasanuma H
  • et al.
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Abstract

BACKGROUND: In our previous study, iatrogenic capsular tears, bone bruises of the humeral head, and labral tears were detected on magnetic resonance imaging (MRI) performed 1 week after manipulation following ultrasound-guided cervical nerve root block in patients with frozen shoulder 6 months after manipulation. METHODS: We studied 25 patients with frozen shoulder. MRI was performed before, 1 week after, and 6 months after manipulation. On the basis of the course of MRI findings over a period of 6 months, the patients were divided into 2 groups: those with MRI findings of bone bruises, capsular tears, and/or labral tears (19 patients) and those with no MRI findings (6 patients). The clinical outcomes of the 2 groups at 6 months after manipulation were compared using the Wilcoxon matched-pairs test, the Mann-Whitney test, and the Fisher exact probability test for statistical analysis. RESULTS: At 1 week after manipulation, 96% of patients had capsular tears, 40% had bone bruises, and 20% had labral tears; these percentages had decreased at 6 months after manipulation to 4%, 20%, and 8%, respectively. No significant differences in clinical outcomes were noted between patients with residual MRI findings 6 months after manipulation and those without any MRI findings. CONCLUSION: Most of the iatrogenic capsular tears, bone bruises, and labral tears detected 1 week after manipulation had disappeared 6 months later. Residual MRI findings 6 months after manipulation had no significant correlation with clinical symptoms.

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APA

Saito, T., Sugimoto, H., Sasanuma, H., Iijima, Y., Kanaya, Y., Fukushima, T., … Takeshita, K. (2019). The course and clinical impact of articular magnetic resonance imaging findings 6 months after shoulder manipulation under ultrasound-guided cervical nerve root block for frozen shoulder. JSES Open Access, 3(1), 21–24. https://doi.org/10.1016/j.jses.2018.11.001

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