autologous blood injection for treatment of tennis elbow

background tennis elbow (te) is a common myotendinosis. it was first described by runge in 1873; different modes of treatment are used in management of te. objectives this study aimed to report the results of autologous blood injection (abi) in the treatment of te. materials and methods a prospective case study was performed to evaluate the results of abi in the management of te. the level of pain based on nirschl phase scale (nps) and a visual analogue scale (vas) was calculated before and 1, 3 and 6 months after injection; then satisfaction was assessed. results twenty-nine patients with diagnosed te were treated by abi (24% males, 76 % female). the mean age of the patients was 44.1 ± 5.2 years. the level of pain on vas decreased from 6.46 ± 2.08 to 0.54 ± 0.7 (p=0.001) and on nps from 6.15 ± 1.48 to 0.54 ± 0.76 (p = 0.001) 6 months after treatment. at the end of the study, 84% of patients expressed a high level of satisfaction. conclusions given the acceptable outcomes, autologous blood injection can be considered a good treatment option for te when traditional treatment has fails.