Prognostic Factors in Zygapophyseal Osteoarthritis Infiltration: a Prospective Cohort Study
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- Who runs it
- Hospital Israelita Albert Einstein
- Trial code
- NCT03304730
- Record updated
- 7 October 2026
- Original description
Magnet Resonance Image findings of facet osteoarthritis and patient characteristics are prognostic factors for improving or worsening the clinical outcome after treatment with facet infiltration.Read full original descriptionShow less
Prognostic Factors of Efficacy in Corticoid and Anesthetic Joint Infiltration for the Treatment of Patients With Low Back Pain Secondary to Zygapophyseal Osteoarthritis: a Prospective Cohort Study
Magnet Resonance Image findings of facet osteoarthritis and patient characteristics are prognostic factors for improving or worsening the clinical outcome after treatment with facet infiltration.
Inclusion: The following are inclusion criteria for participants:; Older than 18 years; Fluent or native Portuguese language speaker; Continuous or intermittent low back pain for at least three months; Low back pain with or without irradiation to the gluteal region indicating facet syndrome (pain is aggravated by spine extension or bending toward the affected side; pain is exacerbated by prolonged sitting or walking up steps, as well as retaining one position for a prolonged time); Failure of traditional treatment includes, but is not limited to, physical or drug therapy; Understand the purpose of the study; Voluntarily provide a free and informed consent form, by themselves or through their partners, and complete the questionnaires, before undergoing infiltration, over the telephone or online during the follow-up.
Exclusion: Surgical manipulation of the lumbar spine; Treated with systemic steroids less than one month before the IFI; Treated with IFI with steroids within the last six months; Active rheumatologic diseases; Diagnosed with uncontrolled diabetes mellitus; History of allergy to anesthetics or adverse reaction to steroids; Younger than 18 years old,; The following are exclusion criteria for participants:; Symptomatic lumbar spinal stenosis with claudication or radiculopathy; Evidence of radiculopathy; Congenital or acquired deformities of the lumbar spine; Fracture or sequel of lumbar spine fracture of traumatic, pathological or osteoporotic origin; MRI scans of limited quality and incomplete sequences; Pregnant women or women who breastfed; Who could not be contacted over the phone during follow-up.