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Open Access Highly Accessed Study protocol

Non-surgical treatment of hip osteoarthritis. Hip school, with or without the addition of manual therapy, in comparison to a minimal control intervention: Protocol for a three-armed randomized clinical trial

Erik Poulsen12*, Henrik W Christensen2, Ewa M Roos1, Werner Vach3, Søren Overgaard45 and Jan Hartvigsen12

Author affiliations

1 Institute of Sports Science and Clinical Biomechanics, University of Southern Denmark, Denmark

2 Nordic Institute of Chiropractic and Clinical Biomechanics, Odense, Denmark

3 Institute of Medical Biometry and Medical Informatics, University of Freiburg, Germany

4 Institute of Clinical Research, University of Southern Denmark, Denmark

5 Department of Orthopedic Surgery and Traumatology, Odense University Hospital, Denmark

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Citation and License

BMC Musculoskeletal Disorders 2011, 12:88  doi:10.1186/1471-2474-12-88

Published: 4 May 2011

Abstract

Background

Hip osteoarthritis is a common and chronic condition resulting in pain, functional disability and reduced quality of life. In the early stages of the disease, a combination of non-pharmacological and pharmacological treatment is recommended. There is evidence from several trials that exercise therapy is effective. In addition, single trials suggest that patient education in the form of a hip school is a promising intervention and that manual therapy is superior to exercise.

Methods/Design

This is a randomized clinical trial. Patients with clinical and radiological hip osteoarthritis, 40-80 years of age, and without indication for hip surgery were randomized into 3 groups. The active intervention groups A and B received six weeks of hip school, taught by a physiotherapist, for a total of 5 sessions. In addition, group B received manual therapy consisting of joint manipulation and soft-tissue therapy twice a week for six weeks. Group C received a self-care information leaflet containing advice on "live as usual" and stretching exercises from the hip school. The primary time point for assessing relative effectiveness is at the end of the six weeks intervention period with follow-ups after three and 12 months.

Primary outcome measure is pain measured on an eleven-point numeric rating scale. Secondary outcome measures are the hip dysfunction and osteoarthritis outcome score, patient's global perceived effect, patient specific functional scale, general quality of life and hip range of motion.

Discussion

To our knowledge this is the first randomized clinical trial comparing a patient education program with or without the addition of manual therapy to a minimal intervention for patients with hip osteoarthritis.

Trial registration

ClinicalTrials NCT01039337