There was no single shoulder outcome instrument that was superior to the others in terms of the measurement properties. Most of the tested shoulder outcome instruments did not reflect health-related quality of life well and poorly correlated with each other. This meant that the comparison of a given surgical result with different outcome instruments might be of little practical utility. Further prospective and serial studies should be conducted to develop better shoulder outcome instruments that have significant reliability, responsiveness, validity, and correlation with health-related quality of life. A careful combination of outcome instruments might be necessary to compensate the current evaluation systems.
The data demonstrate favorable outcomes for arthroscopic superior labral anterior and posterior lesion repair using the trans-rotator cuff portal. We suggest that the trans-rotator cuff portal is an efficient and safe portal for superior labral anterior and posterior lesion repair, although there are some valid concerns of damaging the cuff in patients with a superior labral anterior and posterior lesion with concurrent cuff disorders, as well as in older patients.
Purpose: The aim of this study was to examine the dose-related effect of extracorporeal shock wave therapy (ESWT) for lateral epicondylitis. Materials and methods: Thirty patients with refractory lateral epicondylitis despite conservative treatment for 6 months were enrolled in this study. The patients were divided randomly into a low-and highenergy group. All patients were treated 3 times with ESWT with an interval of 1 week in a double blinded manner. The mean energy level in the low-and high-energy group was 0.12 mJ/mm 2 and 0.24 mJ/mm 2 , respectively. The upper extremity functional scales and Mayo elbow scores were measured prospectively at the baseline, 1, 3 and 6 months after ESWT. Results: Significant clinical improvement was observed in both groups after ESWT. The high-energy group showed better pain improvement at 6 months after ESWT (p=0.019). The effect of ESWT was dominant between 1 and 6 months after ESWT than within 1 month. Conclusion: ESWT for lateral epicondylitis demonstrated showed good results regardless of the energy dose. However, a high-energy level was more effective in pain improvement after 6 months of treatment.
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