OBJECTIVE: To provide data for the analysis of arthroscopy as a method of surgical treatment for shoulder and discuss its actual indications and preliminary results. METHODS: We evaluated 15 patients submitted to reverse Bankart arthroscopic surgery. We used the UCLA (University of California at Los Angeles) score to measure the results before surgery and 12 months thereafter. RESULTS: The average UCLA score changed from 26.67±0.25 (SD 0.97) before surgery to 34.20±0.53 (SD 2.04) after surgery. The effectiveness of surgery was 93%. In five cases loose bodies were found. A patient undergoing remplissage was evaluated separately. The data did not change after 24 months post-surgery. CONCLUSION: The arthroscopic treatment of posterior shoulder instability and posterior dislocation of the shoulder has been proved feasible and results in our series followed the same trends as in the literature. Level of Evidence III, Transversal Retrospective Study.
Background Knowledge on the anatomical and morphological characteristics of the superficial peroneal nerve is amenable to further refinement. This cadaveric study aimed to further evaluate anatomical and morphological characteristics of the superficial peroneal nerve. Methods In this study, 10 lower limbs from five fresh cadavers were dissected. The anatomical characteristics of the superficial peroneal nerve were identified. Nerve segments were submitted for histological and morphometric analyses, and nerve thicknesses and number of fascicles were assessed. Results Regarding the superficial peroneal nerve's bifurcation, 80% of the terminal branches were distal to the point of emergence from the fascia. In 90% limbs, two sensory branches were observed immediately after the distal bifurcation of the superficial peroneal nerve. The mean distance from the fibular head to the superficial peroneal nerve's emergence from the fascia was 24.6 cm and mean nerve thickness at this point was 0.3 cm. The mean distance between the lateral malleolus and the main nerve trunk at the ankle was 4.68 cm. The mean distance from the motor branch of the peroneus brevis to the lateral malleolus was 29.3 cm. Morphometric analyses revealed an average five nerve bundles at the broadest nerve diameter (2.6 mm). Conclusion The anatomical and morphometrical characteristics of the superficial peroneal nerve indicate that it may be a safe and useful donor for autologous graft treatment of peripheral nerve injuries. Our morphological study shows a median of five fascicles, and that the thickest diameter of the nerve was 2.6 mm at the emergence from the deep to the superficial compartment.
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