Study selection
Figure 1 represents the PRISMA flow diagram for the review process and study selection. We found 150 records by searching database; of these, sixty records were left after removing the duplicates and after exclusion of ninety records based on the title and the abstract review. We searched 60 articles for eligibility by full-text review; 15 articles cannot be accessed or obtain full-text; 10 studies were reviews and case reports; 8 studies did not describe the functional outcome; the desired procedure was not used in 5 studies leaving 22 studies12–33 that met all inclusion criteria.