Discovery 1890s
Description 20th century
Spine
Sacroiliac joints
Spine
Patient’s symptoms
Arthritis
Enthesopathy
Enthesopathy
Uveitis
Diarrhea
Aortitis
HLA B27 1970s
Non X-ray imaging
Non X-ray imaging of SIJ
Non X-ray imaging of SIJ
Non X-ray imaging of SIJ
Non X-ray imaging of SIJ
Spine - MRI
Prevalence of Axial SpA
Disease progression
Disease progression
Disease progression
TNF – iTNF 1990s-2000s
Efficacy of TNFi in AS
Anti-TNF & NSAIDS
Q1
Q2
Q3
Q4
Q5
Q6
The great A case from 1200s BC
The great A case from 1200s BC
DISH vs AS
42.07M
Категория: МедицинаМедицина

Ankylosing Spondylitis

1.

Ankylosing Spondylitis
Gleb Slobodin MD
2017

2.

3. Discovery 1890s

Bechterew W. (1893). "Steifigkeit
der Wirbelsaule und ihre
Verkrummung als besondere
Erkrankungsform".
Neurol Centralbl 12: 426–434
Strumpell A. (1897). "Bemerkung
Marie P. (1898). "Sur la spondylose
uber die chronische ankylosirende
rhizomelique". Rev Med 18: 285–315.
Entzundung der Wirbelsaule und der
Huftgelenke". Dtsch Z Nervenheilkd
11 (3–4): 338–342

4. Description 20th century

5.

Bone formation in AS

6.

7. Spine

8.

BASMI

9.

10. Sacroiliac joints

11. Spine

12.

13.

14.

15.

16. Patient’s symptoms

One half comes from inflammation,
the second half comes from structural changes

17. Arthritis

18.

19. Enthesopathy

20.

21.

22. Enthesopathy

23.

24. Uveitis

25. Diarrhea

26.

27. Aortitis

28.

29. HLA B27 1970s

HLA B27 + in 90% of Caucasian AS pt
Only 5% of HLA B27+ persons will have AS
HLA B27 represents only about 25% of ‘genetic risk’ for AS

30.

31.

32.

33.

34.

35. Non X-ray imaging

Computed tomography
Better comparing to X-rays
But not validated and radiation-related

36. Non X-ray imaging of SIJ

Bone scan
Sensitivity is about 50%
Specificity is about 50%

37. Non X-ray imaging of SIJ

MRI
22 yo F with right LBP

38. Non X-ray imaging of SIJ

MRI
16 yo M with 6 months LBP

39. Non X-ray imaging of SIJ

MRI
33 yo M with Psoriasis & LBP

40. Spine - MRI

41.

42.

43. Prevalence of Axial SpA

in US (NHANES study)
chronic back pain in 20% of population
IBP in 7% of population; > in younger adults
AxSpA (including AS) in 1.4%
AS in 0.5%
AS
nrAxSpA
MALES=FEMALES (AxSpA); M:F=2:1 (AS)
12%
in
2 years

44. Disease progression

45. Disease progression

> in males
> in smokers
> in those with high CRP
>>> in those with syndesmophytes at baseline

46. Disease progression

47.

48.

49. TNF – iTNF 1990s-2000s

50. Efficacy of TNFi in AS

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Efficacy of TNFi in AS
Course of disease related clinical parameters: ASDAS, BASDAI , BASFI , BASM I . Compl
Course of disease related clinical parameters: ASDAS, Ankylosing spondylitis Disease Activit
BASDAI, Bath Ankylosing Spondylitis Disease Activity Index, BASFI, Bath Ankylosing Spo

51.

Other biologics: anti IL-17

52. Anti-TNF & NSAIDS

Anti-TNF & NSAIDS

53.

54. Q1

A female with daily inflammatory low back pain
during the last two years presents for
evaluation. You do not find anything wrong on
her examination. Your next step will be to order
everything but
HLA B27 .1
X-ray of her pelvis .2
MRI of her pelvis .3
C-reactive protein .4

55. Q2

HLA B27 is negative, and CRP is normal. Pelvis Xrays are normal as well. Your next step will be
MRI of sacroiliac joints .1
Technetium bone scan .2
Computed tomography of the whole spine .3
Follow up after 6 months .4

56. Q3

The MRI shows
Enthesitis .1
Bone marrow edema .2
Capsulitis .3
Erosion .4

57. Q4

MRI of sacroiliac joints is reported as abnormal,
with bone marrow edema around SIJ on both
sides. The diagnosis is
Non specific low back pain .1
Ankylosing spondylitis .2
Undifferentiated spondyloarthritis .3
Non-radiographic axial spondyloarthritis .4

58. Q5

Non-radiographic axial spondyloarthritis is
An early phase of ankylosing spondylitis .1
A variant of osteitis condensanse ilii .2
A new name for DISH .3
A variant of reactive arthritis .4

59. Q6

Recommended treatment will be
NSAIDs .1
Physical therapy .2
TNF-alpha blockade .3
Surgery .4

60. The great A case from 1200s BC

61. The great A case from 1200s BC

62. DISH vs AS

63.

64.

Psoriatic arthropathy

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66.

67.

Psoriasis

68.

Enthesopathy

69.

Uveitis

70.

71.

Treatment

72.

73.

74.

Reactive arthritis
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