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Clinical Outcomes of Transcatheter Arterial Embolisation for Chronic Knee Pain: Mild-to-Moderate Versus Severe Knee Osteoarthritis
- Clinical Outcomes of Transcatheter Arterial Embolisation for Chronic Knee Pain: Mild-to-Moderate Versus Severe Knee Osteoarthritis
- Lee, Sang Hwan; Hwang, Jin Ho; Kim, Dong Hyun; So, Young Ho; Park, Jihong; Cho, Soo Buem; Kim, Jeong-Eun; Kim, Young Jae; Hur, Saebeom; Jae, Hwan Jun
- Ewha Authors
- Issue Date
- Journal Title
- CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY
- CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY vol. 42, no. 11, pp. 1530 - 1536
- Abnormal neovessels; Embolisation; Osteoarthritis; Knee pain
- SCIE; SCOPUS
- Document Type
- Purpose This retrospective study was conducted to compare the clinical outcomes of transcatheter arterial embolisation for chronic knee pain in patients with mild-tomoderate versus severe knee osteoarthritis. Materials and Methods This study included patients (n = 41) who were refractory to conservative treatments and who underwent transcatheter arterial embolisation using imipenem/cilastatin sodium between June 2017 and July 2018. A total of 71 knees, including 30 bilateral cases, were treated and categorised into two groups according to the Kellgren-Lawrence grade: mild-to-moderate osteoarthritis (n = 59, Kellgren-Lawrence grade 1-3) and severe osteoarthritis (n = 12, Kellgren-Lawrence grade 4). The clinical outcomes were measured by the visual analogue scale score. Results There were no significant differences in age, body mass index or baseline visual analogue scale scores between the two groups. The mean visual analogue scale scores in the mild-to-moderate osteoarthritis group were significantly decreased at 1 day, 1 week, 1 month, 3 months, and 6-months (5.5 at baseline vs. 3.2, 3.1, 2.9, 2.2, and 1.9, after treatment; all P =.00). These improvements were maintained at a mean of 10 +/- 3 months (range 6-19 months) post-treatment. The visual analogue scale scores were significantly decreased in the severe osteoarthritis group for 1 month post-treatment (6.3 at baseline vs. 4.1, 4.1, and 4.4 at 1 day, 1 week, and 1 month; all P<.01). However, a decrease in pain was not statistically significant from 3 to 6 months (5.4 and 5.9 at 3 months and 6 months, respectively). Conclusion Transcatheter arterial embolisation effectively relieved pain in patients with mild-to-moderate osteoarthritis. In patients with severe osteoarthritis, pain severity decreased for 1 month but gradually increased to the initial severity score within 3 months.
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