ABSTRACT
Objective: To determine the mean decrease in distal motor latency after administration of local corticosteroid injection in symptomatic
Study Design: Quasi experimental trial study
Place and Duration of Study: This study was conducted at the Department of Neurology, Mayo Hospital, Lahore over a period of six months from 01.02.2012 to 31.07.2012
Materials and Methods: One hundred cases were included. Baseline distal motor latency [DML] was assessed by using nerve conduction study on distal position. Then patients were administered corticosteroid injection [triamcinolone acetonide 20mg] through distal [palmar] approach
Results: Mean age of the patients was 52.4 +/- 6.1 years. Out of 100 patients, 22 [22.0%] were males and 78 [78.0%] were females. Mean distal motor latency at baseline was 5.5 +/- 2.6, at 4[th] week 4.8 +/- 2.4 and mean decrease was observed 0.7 +/- 0.2
Conclusion: Local corticosteroid injection for carpal tunnel syndrome provides statistically significant mean decrease in distal motor latency on nerve conduction study in 4 weeks after injection