Basit Hussain, Imtiaz Ahmad, Zeeshan Faisal, Abdus Samad Khan, Raziq Shah, Muhammad Imran Javed.
Comparison of topical glyceryl trinitrate patch and local steroid injection in term of pain relief for treatment of lateral epicondylitis.
Pak J Surg Jan ;36(2):171-6.

Introduction: Lateral epicondylitis (L.E) is a common disease which effect people involved in manual job tasks. The dominant arm is generally affected the most. The annual incidence of this disease has been reported to be 1-5 percent in general population. It occurs in equal frequency in both male and females and is common in 35-40 years of age. The designation of lateral epicondylitis is a mismonomer since it has been proved now that it is not an inflammatory disorder rather a degenerative disorder in the tendon of common extensor origin. It mostly affects extensor carpi radialis brevis muscle origin which is a part of common extensor origin and occur due to cumulative microtrauma exceeding the normal tissue capacity to repair. Aim: To compare glyceryl trinitrate patch and local steroid injection in term of mean pain score reduction for treatment of lateral epicondylitis. Study design: Randomized controlled trial Place and Duration: In the Department of Orthopedic Surgery, District Headquarter Hospital (DHQ ) Teaching Hospital, Kohat and DHQ hospital Timergara for one year duration from March 2019 to March 2020. Material and Methods: In this study a total of 112 patients which was calculated with the help of EPI sample size calculator version 2 with following parameters. Power of study (1-?) = 90%, Confidence level = 95 %, Mean of group A = 3.15 + 1.53, Mean of group B = 2.28 + 1.28 4 Sample A = 56, Sample B = 56. Consecutive non probability technique was used for sample collection. Results: In this study mean age in group-A 34 years with SD +- 18.79 where as mean age in group-B was 35 years with SD +- 19.62. In group-A 41(73%) patients were male, 15(27%) patients were female. Where as in group-B 42(75%) patients were male, 14(25%) patients were female. Difference in the mean pain score among two groups was as in Group A mean pain score was 4 +- 1.18. Where as in group-B mean pain score was 3 +- 1.17. Conclusion: Our study concludes that glyceryl trinitrate patch is better than local steroid injection in terms of mean pain score reduction in the treatment of lateral epicondylitis.

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