期刊
RADIOLOGIA MEDICA
卷 126, 期 1, 页码 117-123出版社
SPRINGER-VERLAG ITALIA SRL
DOI: 10.1007/s11547-020-01229-4
关键词
Shoulder; Calcific tendinopathy; Ultrasound-guided percutaneous irrigation; Rotator cuff
US-PICT treatment is effective in reducing shoulder pain and improving mobility in patients with calcific tendinopathy, regardless of whether they have undergone previous ESWT.
Objectives To compare the outcome of US-guided percutaneous irrigation of calcific tendinopathy (US-PICT) of the rotator cuff in patients with or without previous external shockwave therapy (ESWT). Methods We analyzed all patients treated with US-PICT from March 1, 2016, to October 1, 2019, with shoulder pain refractory to conservative management for rotator cuff calcific tendinopathy, diagnosed with ultrasound. Each patient was examined using the Constant-Murley Score (CMS) questionnaire (score 0-100) before and after treatment. We tested CMS differences using the Mann-Whitney U (Wilcoxon rank-sum) test in the two groups. US-PICT was performed placing two or multiple 14G needles, according to the calcification size, inserted under US guidance to create a circuit of irrigation in the calcified tendon. NaCl solution at 38 degrees C was then injected from the entry needle in a variable amount to hydrate and fragment the calcification, finally allowing for its expulsion through the exit needle. All patients also received an intrabursal steroid injection. Results From 2016 to 2019, 72 US-PICT treatments were performed on 70 patients (females = 46; males = 26) with a mean age of 49.7 years (SD = 8.7. Thirty-three (47%) underwent previous ESWT, while thirty-seven (53%) had no previous treatments. No treatment-related complications were observed. Follow-up was averagely 14.4 months (median = 11.6, SD = 11.9, range 1-45); 37 patients had a follow-up shorter than 12 months (1-11.6); 35 patients were visited after more than 1 year (12.2-45.6, Table W). Before treatment, the mean CMS was 35 (SD = 21); after treatment, it reached 75.4, with an average CMS improvement of 40.3 points (SD = 23.7, p < 0.001). The comparison of improvement between the ESWT and non-ESWT group yielded no significant difference (p = 0.3). Conclusions US-PICT of the rotator cuff is an effective procedure to reduce shoulder pain and increase mobility in patients with calcific tendinopathy, both in short- and long-term time intervals. Previous unsuccessful ESWT does not affect the outcome of US-PICT.
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