Abstract
Abstract Background Consensus about Management of scaphoid nonunion is controversial, many procedures have been described. This study compares between 2 modalities for management of scaphoid nonunion either arthroscopic scaphoid bone grafting from iliac bone combined with percutaneous fixation versus open scaphoid fixation and non-vascularized bone graft from iliac bone in management of scaphoid nonunion to identify if one technique is better as regards union rate, time to union and functional outcome. Patients and Methods A prospective randomized control trial held to recruit the patients between September 2019 and December 2020 between open grafting group (group O) for scaphoid non union (15 patient) and arthroscopic group (group A) ( 15 patients), randomization was done by using computerized random allocation. The mean follow up was 17.2 months(12- 24 months). We evaluated the results as regards union rate, time to union, complications, grip strength functional outcome according to disability of arm, shoulder and hand questionnaire (DASH) score and modified mayo wrist score (MMWS). We analyzed the results by using Statistical Package for the Social Sciences software (SPSS) version 25. Results union rate for group A was 100 % with time to union mean of 9.73 weeks (±2.4 weeks), union rate for group O was 93.33% with time to union mean of11.64 weeks(±1.82 weeks) which was significantly faster to union for group A(p value<0.05) . The open group showed significantly less operative time, the mean operative time was59.2 min±11.01, 90.6min±11.77 for group O and group A respectively. Grip strength, range of motion, VAS, MMWS and DASH score improved post operative for both groups with no statistical difference between them with comparable complication rate. Conclusion arthroscopic grafting technique for scaphoid non unions showed comparable results as regard union rate, complications, range of motion and functional outcomes with significantly faster time to union however, significantly longer operative time.
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