الفهرس 
Anatomy of the knee jointOnly 14 pages are availabe for public view
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Abstract
Background: Multiple promising researches were done regarding using either platelet rich plasma (PRP) or genicular nerve block (GNB) injection aiming at establishing new minimally invasive treatment option for knee OA and avoiding surgical procedures hazards which could be an option in advanced cases. Thus, our study will be directed towards ultrasound guided injecting of PRP and GNB together trying to confirm the efficacy of the procedure as a therapeutic option.
Objective: The study assesses the role of ultrasound guided PRP and GNB injection technique and its efficacy regarding knee osteoarthritis patients.
Methods and Material: Twenty patients with different knee osteoarthritis grades were injected with combined PRP and GNB under ultrasound guidance and the symptoms outcome were followed up by using visual analogue scale (VAS) at periods of 3-, 6- and 12-weeks post procedure.
Results: A total of 20 patients were included with the age ranging from 39-62 years old, the mean was 50.75 years old (SD ±6.16). Among them 16 patients (80%) were females and 4 patients (20%) were males. There was statistically significant difference between the different knee pain scoring scales 3- ,6- and 12- weeks after the procedure compared to before injection, where according to VAS score the mean score was 7.55±1.54 pre procedure and became 6.80±1.61, 5.90±1.62 and 5.00±1.75 after 3-, 6- and 12- weeks respectively with mean reduction ratio of 25.5 % after 3 months.
Conclusion: Combined ultrasound guided PRP injection and GNB in symptomatic knee osteoarthritis patients causes statistically significant improvement of the symptoms.