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Ankylosing Spondylitis

Reviewed 06/2019
 


BASICS

DESCRIPTION

  • Ankylosing spondylitis (AS) is an axial inflammatory spondyloarthropathy (axSpA) characterized by evidence of sacroiliitis on plain radiography.

  • System(s) affected: musculoskeletal; e...

DIAGNOSIS

HISTORY

  • Inflammatory back pain

    • Insidious onset

    • Duration >3 months

    • Morning stiffness in spine lasting >1 hour

    • Nighttime awakenings secondary to back pain

    • Pain and stiffness increase at rest a...

TREATMENT

GENERAL MEASURES

  • Symptom control, maintaining spinal flexibility and normal posture, reducing functional limitations, maintain work ability, and decreased disease complications are primary tr...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

  • Monitor posture and range of motion with 6- to 12-month visits; increase frequency if higher disease activity.

  • Bath Ankylosing Spondylitis Diseas...

REFERENCES

1
Reveille JD, Weisman MH. The epidemiology of back pain, axial spondyloarthritis and HLA-B27 in the United States. Am J Med Sci.  2013;345(6):431–436. [View Abstract on OvidMedline]
2
Do...

ADDITIONAL READING

  • Adams K, Bombardier C, van der Heijde DM. Safety of pain therapy during pregnancy and lactation in patients with inflammatory arthritis: a systematic literature review. J Rheumatol ...

CODES

ICD10

  • M45.9 Ankylosing spondylitis of unspecified sites in spine

  • M08.1 Juvenile ankylosing spondylitis

  • M45.8 Ankylosing spondylitis sacral and sacrococcygeal region

  • M45.6 Ankylosing spondylitis lumb...

CLINICAL PEARLS

  • Diagnosis of AS is suggested by a history of inflammatory back pain, pain when supine and lasting over an hour on movement, evidence of limited chest wall expansion, restricted spinal ...

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