PAI offered improved pain control and minimal side effects compared with PCA. Thus, PAI can replace conventional PCA for controlling post-operative pain after TKA.
BackgroundThe authors report the results of preserving the infrapatellar branch of the saphenous nerve during unicompartmental knee arthroplasty to prevent lateral skin numbness.MethodsAll 100 cases had medial compartmental osteoarthritis and a minimally invasive technique had been used. The mean follow-up duration was two years and eight months (range, 24 to 42 months).ResultsThe classification according to the location of this nerve was observed as either Mochida Type I with 76 cases (76%), Type II with 16 cases (16%), and unclassified type with 8 cases (8%). In Type I, the nerve was saved in 62 cases (82%), but could not be preserved in Type II because of the surgical procedure. These results showed that the mean distance from the joint line to the nerve of Type I was 9.13 mm (range, 4 to 15 mm) and the nerve passed inferiorly.ConclusionsThis study showed the location of this nerve can be predicted ahead of the procedure, which will help preserve it during the surgery.
Purpose: To report the advantages and the defects through an analysis of the early results of minimally invasive unicompartmental knee arthroplasty (UKA). Materials and Methods: The first fifty consecutive minimally invasive UKA for medial osteoarthritis that were followed up for at least 2 years (2 years-2 years 10 months) were included. The surgical parameters, clinical parameters, radiological parameters and complications were examined.
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