Inclusion Criteria:  Hip pain VAS > 4 Grade 1 and 2 osteoarthritis according to the Kellgren-Lawrence classification No pathologies in the laboratory and coagulation parameters  Exclusion Criteria:  Rheumatological disease with hip involvement Systemic active infection Severe cardiovascular disease Malignancy NSAID usage in the last week History of hip joint surgery History of traumatic hip injury Hgb values < 11 gr/dl Platelets values < 150.000 / µl History of bleeding disorder