title: Efficacy of single-dose hyaluronic acid products with two different structures in patients with early-stage knee osteoarthritis.
abstract: [Purpose] There are many types of hyaluronic acid preparations, but no clear data are available about which preparations is more effective. The aim of this trial was to investigate the effectiveness of different types of hyaluronic acid preparations on pain and function of inpatients with knee osteoarthritis. [Subjects and Methods] All patients were diagnosed by clinical examination and x-ray. Ostenil PLUS®was injected into 28 patients (group 1, 1.6 million daltons), and MONOVISC®(group 2, 2.5 million daltons) was injected into 46 patients. Demographic data and Western Ontario and McMaster Universities Osteoarthritis Index and Visual Analog Scale scores were used for clinical evaluation at 1, 3, and 6 months post injection. [Results] In both groups, baseline Ontario and McMaster Universities Osteoarthritis Index and Visual Analog Scale scores were higher compared with those in subsequent evaluations. Based on the pre- and post-injection data, a significant reduction in all scores was observed after the injections for in both groups. According to intergroup comparisons, there was no significant difference in any of the scores between the two groups. [Conclusion] There were no difference in Ontario and McMaster Universities Osteoarthritis Index and Visual Analog Scale scores in patients with knee osteoarthritis injected with two different hyaluronic acid structures in short-term preparations.
authors.affiliation: Physical Medicine and Rehabilitation Clinic, Istanbul Kanuni Sultan Suleyman Training and Research Hospital, Turkey.
authors.forename: Bahar
authors.initials: B
authors.lastname: Dernek
authors.affiliation: Department of Orthopaedics, Haydarpasa Numune Training and Research Hospital, Turkey.
authors.forename: Tahir Mutlu
authors.initials: TM
authors.lastname: Duymus
authors.affiliation: Physical Medicine and Rehabilitation Clinic, Istanbul Kanuni Sultan Suleyman Training and Research Hospital, Turkey.
authors.forename: Pinar Kursuz
authors.initials: PK
authors.lastname: Koseoglu
authors.affiliation: Physical Medicine and Rehabilitation Clinic, Okmeydanı Training and Research Hospital, Turkey.
authors.forename: Tugba
authors.initials: T
authors.lastname: Aydin
authors.affiliation: Physical Medicine and Rehabilitation Clinic, Istanbul Kanuni Sultan Suleyman Training and Research Hospital, Turkey.
authors.forename: Fatma Nur
authors.initials: FN
authors.lastname: Kesiktas
authors.affiliation: Department of Physical Medicine and Rehabilitation, Istanbul Faculty of Medicine, Istanbul University, Turkey.
authors.forename: Cihan
authors.initials: C
authors.lastname: Aksoy
authors.affiliation: Department of Orthopaedics, Istanbul Kanuni Sultan Suleyman Training and Research Hospital, Turkey.
authors.forename: Serhat
authors.initials: S
authors.lastname: Mutlu
keywords: Hyaluronic acid; Knee osteoarthritis; Single