spondyloarthropathies and ankylosing spondylitis › uploads › 7 › 9 › 0 › 4 › 79048958...
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Spondyloarthropathies and
Ankylosing Spondylitis
Disease Features
Current Management
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Spondyloarthropathies (SpA)
• A cluster of inter-related and overlapping
diseases that includes 5 subtypes:
– Ankylosing Spondylitis (AS)
– Reactive Arthritis
– Psoriatic Arthritis
– Arthritis associated with Crohn’s disease and
Ulcerative Colitis
– Undifferentiated SpAs.
Braun J and Sieper J. Arthritis Res 2002, 4:307-321
Khan MA. Ann Intern Med. 2002;136:896-907
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The Spondyloarthropathies
Juvenile
SpA
Reactive arthritis
Reiter syndrome
Arthritis
associated
with Crohn’s
disease / UC
Psoriatic
Arthritis
Ankylosing
Spondylitis
Sacroiliitis
AAU
Undifferentiated
SpA
Elyan M, Khan MA. Diagnosing ankylosing spondylitis.
J Rheumatol 2006; 33 Suppl 78: 12-23.
AI+HB
AI = Aortic incompetence
HB = Heart block
AAU = Acute ant uveitis
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Characteristics of SpA
• Spondyloarthropathies are characterized by:
• Radiographic sacroiliitis with or without accompanying spondylitis– Variable inflammatory peripheral arthritis, enthesitis, and
dactylitis
– Association with chronic inflammatory bowel disease
– Association with psoriasis and other mucocutaneous lesions
– Tendency for anterior ocular inflammation
– Increased familial incidence
– Occasional aortitis and heart block
– No association with rheumatoid factor
– Strong association with HLA-B27
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Association of Spondyloarthropathies
with HLA-B27 in White Persons
Disease Approximate Prevalence
of HLA-B27, %Ankylosing spondylitis 90
Reactive arthritis 40–80
Juvenile spondyloarthropathy 70
Enteropathic spondyloarthritis 35–75
Psoriatic spondyloarthritis 40–50
Undifferentiated spondyloarthropathy 70
Acute anterior uveitis (acute iritis) 50
Aortic incompetence with heart block 80
Khan MA. Ann Intern Med. 2002;136:896-907
HLA-B27 prevalence in healthy population is approximately 8%.
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Epidemiology of
Spondyloarthropthies• Prevalence of SpA is 0.6 – 1.9%.
• Prevalence is close to Rheumatoid Arthritis.
• AS prevalence is 0.1- 1.1%.
• 13.6% of all individuals positive for the HLA B27 antigen
had a spondyloarthropathy.
• Prevalence of HLA B27 varies between 1% (Japanese)
to 40% (Eskimos and Inuits).
• The risk for spondylo-arthropathies among HLA-B27–
positive persons who have a first-degree relative with
ankylosing spondylitis is increased threefold (30%
instead of 10%).
Braun J and Sieper J. Arthritis Res 2002, 4:307-321
Khan MA. Ann Intern Med. 2002;136:896-907
Dougados M. Joint Bone Spine 2001 ; 68 : 557-63
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Ankylosing Spondylitis
• Most typical and common form of SpA.
• Chronic inflammatory joint disease of
unknown cause that mainly affects the spine
and the joints between the base of the spine
and the pelvis.
• Ankylosing (Greek ankylos)= stiffening of a
joint, spondylos = vertebra.
• A chronic and progressive form of
seronegative arthritis.
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AS: A Complex Disease
– Chronic, systemic, and progressive inflammatory disorder1,2
– Characterized by involvement of the axial spine1
– Affects the sacroiliac (SI) joints and may also affect peripheral
joints,
including hips, shoulders, and ankles1
– Manifests the enthesitis typical of the spondyloarthropathies
(SpAs)2
– Recurrent back pain and loss of spinal mobility may progress to
spinal fusion (ankylosis)2
– May affect extra-articular sites2
References: 1. Brophy S et al. J Rheumatol 29:1236-1243, 2002. 2. Sieper J et al. Ann Rheum Dis 61(Suppl III):
iii8-iii18, 2002.
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Clinical Features of AS
• Chronic inflammatory back
pain
• Sacroiliitis
• Ankylosis
• Kyphosis
• Peripheral joint affection
• Uveitis
• Systemic manifestations
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Chronic Inflammatory Back Pain
• Age of onset below 40 years
• Insidious onset
• Duration greater than 3 months
before medical attention is sought
• Morning stiffness and improvement
with exercise or activity.
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Ankylosing spondylitis:
iridocyclitis with synechiae
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Diagnosis of AS
Modified New York Criteria (1984):
• Criteria components1. Low back pain of at least 3 months’ duration that improved
by exercise and was not relieved by rest
2. Limited lumbar spinal motion in sagittal (sideways) and frontal (forward and backward) planes
3. Chest expansion decreased relative to normal values for sex and age
4. Bilateral sacroiliitis grade 2–4 or unilateral sacroiliitis grade 3 or 4
– Definite ankylosing spondylitis if criterion 4 and any one of the other criteria is fulfilled
van der Linden S, Valkenburg HA, Cats A. Arthritis Rheum. 1984;27:361
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van der Heijde et al Ann Rheum Dis 2010;69:949-54
Rudwaleit et al Ann Rheum Dis 2009;68:777-83
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Radiological Findings in AS
• Early:
• Sacroiliitis (closed arrow):
– Erosions
– Sclerosis
• Late:
• Vertebra (open arrow):
– Syndesmophytes
– Calcification of ligaments (tramline appearance)
– Squaring of vertebrae due to erosions of their corners.
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Radiological Findings In AS
Bilateral sacroiliitis. Frontal
radiograph shows bilateral
sacroiliac joint erosions and iliac
side subchondral sclerosis.
Bilateral chronic sacroiliitis. Frontal
radiograph shows complete fusion
of both sacroiliac joints.
Wilfred CG Peh. Ankylosing Spondylitis. www.emedicine.com. Updated March
2002.
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Ankylosing spondylitis: early
sacroiliitis (radiograph)
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Ankylosing spondylitis:
advanced sacroiliitis
(radiograph)
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Radiological Findings In AS
Lateral radiograph shows anterior
corner erosions at the T12 and L1
vertebral bodies. The typical shiny
corner sign (or Romanus lesion) is
present (arrows).
Vertebral body squaring. Lateral
radiograph shows squaring of L3
and L4 vertebral bodies, L3-L4
anterior syndesmophyte, and lumbar
facet joint fusion.
Wilfred CG Peh. Ankylosing Spondylitis. www.emedicine.com. Updated March
2002.
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Laboratory Findings in AS
• No diagnostic test:
– HLA-B27 gene (90%)
– High ESR, CRP
– Mild normocytic normochromic anemia
– High AP (in severe cases)
– High seraum IgA levels
– -ve RF, ANA
– Synovial fluid similar to other inflammatory arthritis.
– Pulmonary functions: Low VC, High FRC
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Bone Scintigraphy
• Helpful in AS patient with
normal or equivocal
radiograph findings.
• Quantitative analysis:
ratios of sacroiliac joint to
sacral uptake of 1.3:1 or
more are considered
abnormal.
• bone scintigraphic
uptake also may be used
to evaluate active disease
Wilfred CG Peh. Ankylosing Spondylitis. www.emedicine.com. Updated March
2002.
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Magnetic Resonance Imaging
(MRI)
• Best for early detection of skeletal involvement
• No associated radiation; so especially valuable in adolescents & young women
• Use MRI STIR technique; no need for gadolinium enhancement
• Major problems: high cost & relatively restricted availability
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Weber U, Pfirrmann CWA, Khan MA.
Ankylosing spondylitis: update on imaging
and therapy. Int J Adv heumatol.2007;5(1):2-7
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• NSAIDs are recommended as the first-line drug
treatment for AS patients with pain and stiffness.
In those with increased GI risk, non-selective
NSAIDs plus a gastro-protective agent, or a
selective COX-2 inhibitor could be used.
*ASessment in AS International Society
Zochling J, et al. Ann Rheum Dis. 2006;65:442-452.
ASAS*/EULAR Recommendations for the
Management of Ankylosing Spondylitis
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Efficacy of NSAIDs in AS
(good or very good efficacy)
0
10
20
30
40
50
60
70
80
90
AS (n=69) Mechanical Back Pain
(n=768)
Pati
en
ts R
esp
on
din
g (
%)
Amor B, et al. Rev Rheum Engl Ed. 1995;62:10-5.
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• There is no evidence for the efficacy of
the traditional DMARDs, including MTX,
for the treatment of axial disease of AS.
• Sulfasalazine may be considered in
patients with peripheral arthritis.
*ASessment in AS International Society
Zochling J, et al. Ann Rheum Dis. 2006;65:442-452.
ASAS*/EULAR Recommendations for the
Management of Ankylosing Spondylitis
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Active AS
TNF Antagonists
Treatment Algorithm26
C/S Injections? ???
Sacroiliac Axial Entheses Periph jts
NSAIDs Exercise
Sulfasalazine
C/S Injections C/S Injections
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Psoriatic Arthritis
•- AGE of on set
•Psoriasis usually appears in the
second and third decades of life
arthritis delayed by some 2 decade.
•.juvenile P S A: 9-12 years
•.Sex Ratio: 1-1
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Group (1)
•Predominant involvement of Dip's
8-16%.
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Group (2): Arthritis Mutilan's
•- Osteolysis of the phalanges and
Metacarpal's 5%.
•- Often associated with sacorilities.
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Group (3): - Symmetric polyarthritis
•- Dip
•- Tendency for bony ankylosing
•- R A
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Group (4): -Oligoarticular Arthritis
- Asymmetric
•- D I P -P I P-M C P –M I P -knee
•- 15-30%
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Psoriatic arthritis: “sausage”
digits and rash
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Group (5): Axial Involvement
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Extra-articular manifestion
•* Eye: - conjunctivitis
•- episclecitis
•- iritis
•* Mitral prolapse – Aortic incompetence
•
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Psoriatic arthritis: progressive
joint changes (radiographs)
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Enteropathic Arthritis
I B D
•peripheral arthritis
•axial involvement
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Peripheral arthritis
•- 17-20%
•Age 25-44
•Clinical: - pauci articular
•- Asymmetric
•- Mono arthritis
•- Migratory and transient
•- parallels the activity of bowel involvement .
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Axial
•5-12%
•M : F 3:1
•B 27: 33-70%
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Extra-articular
•erythema nodosum
•pyoderma gangrenosum
•anterior uveitis
•amyloidosis
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Therapy
•- NSAID'S
•- Corticoidsteroid's
•- Sulphasalazine
•- Anti TNF
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Reactive arthritis
•Is a sterile synovitis which occurs
following an infection
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Aetiology
•- salmonella , shigella, yersina
enterocolitica
•- N S U : - chlamydia trachomatis
•- urea plasma urealyticum
•-bacterial antigen or bacterial DNA have been
found in the inflamed synovium of affected
joint
•Repeated infection donot necessarilly
produce reactive arthritis
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Clinical features
•*arthritis –acute , lowerlimb , asymmetrical
•*enthesitis – plantar fascitis or achills tendonitis
•Sacroilities or spondylitis *
-bilateral conjunctivitis 30%
•-circinate balanitis : painless superficial ulceration of the glan`s penis. heal without scarring
•-keratoderma blenorrhagica :skinof feet and hand's painles red and raised plaques and pustules
•-Acute anterior uveitis
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Reactive arthritis: balanitis
circinata
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Reactive arthritis:
conjunctivitis
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Ankylosing spondylitis: early
sacroiliitis (radiograph)
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Treatment
•-antibiotic (cultures should be taken
and any infection treated )
•-NSAIDs
•-local injection
•-sulfasalazin or MTX
•-Anti TNF
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