[Spinal involvement in chronic Reiter's syndrome]

Area of Science:

• Rheumatology
• Immunogenetics
• Radiology

Context:

• Retrospective analysis of 43 chronic Reiter's syndrome cases (1980-1984).
• Focus on spinal involvement and clinical presentation.
• Investigated the association with HLA B27 positivity and trigger infections.

Purpose:

• To characterize spinal involvement in chronic Reiter's syndrome.
• To correlate radiographic findings with clinical symptoms.
• To determine the prevalence of HLA B27 and trigger infections.

Summary:

• 32 cases of chronic Reiter's syndrome showed radiographic spinal involvement (sacroiliitis, parasyndesmophytes).
• Spinal pain was common, but severe functional impairment was rare.
• Joints were mildly affected, and organic symptoms were often incomplete.
• Trigger infections identified in 40% of patients; 87% were HLA B27 positive.
• Spinal symptoms dominated in 75% of observed chronic Reiter's syndrome cases.

Impact:

• Highlights the significant role of spinal structural changes in chronic Reiter's syndrome.
• Suggests that spinal involvement may present with milder clinical symptoms than previously thought.
• Reinforces the strong association between chronic Reiter's syndrome, spinal disease, and HLA B27 positivity.