Does intraoperative ultrasound help the surgeon in arthroscopic excision of rotator cuff tendon calcifications
2021
PURPOSE Arthroscopic excision of rotator cuff tendon calcifications is a common procedure in cases where medical treatment has failed. The objective of this study was to evaluate how intraoperative ultrasound contributes to improving the interventional procedure. Our hypothesis was that through the use of ultrasonography the frequency of postoperative residual calcium deposits could be reduced without increasing operating time. METHODS In a non-randomized single-operator comparative study, 56 patients who underwent arthroscopic excision of calcification were retrospectively included: group 1 (n = 20) without ultrasound guidance and group 2 (n = 36) with guidance. Operating time was measured and localization failures noted. Radiological follow-up was carried out with x-ray images at conventional angles and ultrasound at 1.5, 3 and 6 months postoperatively. Clinical follow-up was based on the Constant score (CS) at 6 months. RESULTS The mean operating time was 18 min in group 1 (9-33 ± 8.1) and 22 min in group 2 (10-48 ± 7.7) (p = 0.03). The rate of failure to identify calcifications was 8% and 2% in groups 1 and 2, respectively (p = 0.22). At 6 months, four calcifications were still visible on radiography in group 1 vs 1 in group 2 (20% vs 2.7%, p = 0.03). The mean CS increased from 35 to 81 points in group 1 (p < 0.001) and from 34 to 82 points in group 2 (p < 0.001). CONCLUSION Despite an increase in operating time, intraoperative ultrasound improves the process of excising rotator cuff intratendinous calcifications, prevents localization failures and enables a more complete extraction.
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