Clinical Experience of Low-Intensity Pulsed Ultrasound (LIPUS) in Scaphoid Fracture

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Objective:The objective of this study was to investigate the clinical results of scaphoid fracture.Materials and Methods:The subjects were 13 patients (12 males, 1 female) with scaphoid fracture who underwent surgical (10 patients) or conservative (3 patients) therapy in our hospital from 2014 to 2017. Four patients (postoperative 3 and conservative 1) used low intensity pulsed ultrasound (LIPUS), and 9 patients (postoperative 7 and conservative 2) did not. We divided the patients into 2 groups: the LIPUS group (L group) and the non LIPUS (non L group). We evaluated the L group by Herbert classification, and both groups by the time to bone union and the time to start of therapy from injury. A Mann–Whitney test was used to analyze the time to start of therapy from injury between the L and non L groups.Results:Herbert classification in the L group was one each of types A, B, C, and D. Bone union had been achieved in all at the last consultation. The time to bone union in the 4 L group were 3, 6, 7 and 8 months. Patients in the non L group formed union by 3–4 months after start of therapy. The average time to start of therapy from injury was 3.5 months (L group) and 2.0 months (non L group), which was not statistically significantly different.Discussion:One case did not present until 12 months after injury, and this influenced our statistical results. The results suggest that we can expect adaptation of LIPUS in an increasing number of cases.

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