Multisystem connective tissue disease Flashcards
Who is affected by SLE?
Young/middle aged Asian F
Cause SLE?
Unknown
Skin manifestations SLE (4)
Chronic discoid LE
Malar rash
Photosensitivity rash
Alopecia
Oral manifestations SLE (2)
Oral mucosal lesions
Ulcers
CNS manifestations SLE (3)
Depression/anxiety
Grand mal seizures
Vascular occlusion/infarction
Renal manifestations SLE (2)
Glomerular disease
Interstitial nephritis
Haematological manifestations SLE (3)
Thrombocytopaenia
Leukopaenia
Anaemia
MSK manifestations SLE (2)
Arthritis - fingers, wrists, knees
Myalgia
Lung manifestations SLE (2)
Pleural effusion
Pulmonary fibrosis
Cardiac manifestations SLE (3)
Pericarditis
Aortic valve
Cardiomyopathy
Ix SLE (8)
FBC ESR/CRP U+E Serum ANA Anti-dsDNA RNA antibodies Se complement levels (C3/4) Urine dip
Which marker in SLE is specific but not sensitive?
anti-dsDNA
Mx mild SLE (4)
NSAIDS
Hydroxychloroquine
Monitor signs infection
Avoid XS sunlight + CV RF
Mx severe SLE (5)
Prednisolone Azathioprine Hx/Exam Monitor for signs active disease FBC,U+E,C3/4 + urine dip
What is APLS
Presence of autoantibodies towards phospholipids
What other autoimmune syndrome does APLS relate to?
SLE
PS APLS (7)
PE Aa thrombosis Miscarriage - 2nd/3rd trimester Livedo reticularis Thrombocytopenia Migraine Epilepsy
Ix APLS (5)
ESR - ANA -ve APPT incr Coombs +ve Anticardiolipin
WHich is the diagnostic test for APLS
Anticardiolipin (12 w apart)
Mx APLS - w/ Hx severe thrombosis
Warfarin
Mx APLS - w/o Hx severe thrombosis
Low dose aspirin
Lifestyle advice
LT prognosis APLS
1/3 have organ damage within 10 y
What are the 2 main types of sclerosis
Limited cutaneous scleroderma
Diffuse cutaneous scleroderma
What other condition do pt w/ Limited cutaneous scleroderma have a LONG Hx of
Raynaud’s (+ skin tightening)
Early Sx Limited cutaneous scleroderma (3)
Fatigue
GORD
Ulcers on digits
Later Sx Limited cutaneous scleroderma (2)
Oseoph strictures
Pulmonary fibrosis
CREST syndrome
Calcinosis Raynaud's Oesophageal dysmotility Sclerodactyly Tenangiectasia
Mx Limited cutaneous scleroderma
Digital vasodilators
Removal of calcinosis
Tx oesoph problems
What do people w/ Diffuse Cutaneous Scleroderma have a SHORT hx of
Raynauds
Sx Diffuse Cutaneous Scleroderma (3)
Lethargy
Decr W
Anorexia
What complications will people w Diffuse Cutaneous Scleroderma have within 3years? (3)
Myocardial fibrosis
Pulmonary fibrosis
Renal fibrosis
Mx Diffuse Cutaneous Scleroderma (2)
Immunosuppression
Vasodilators
Ix limited cutaneous scleroderma
Anti-centromere antibody +ve
Ix diffuse cutaneous scleroderma
Anti-scl-70 antibodies
RNA polymerase antibodies
Which condition has the highest mortality rate of any autoimmune rheumatic disease?
systemic sclerosis
1’ Sjogrens
Dry eyes
Dry mouth
2’ Sjogrens
Sicca Sx
+ autoimmune disease
Which autoimmune diseases are associated w/ 2’ SJOGRENS (4)
RA
SLE
Scleroderma
Polymyositis
Test Sjogrens
Schirmer
<1cm 5 mins indicates defective tear prod
Blood results Sjogrens (4)
RF incr
ANA incr
Anti-RO +ve
Anti-LA +ve
Mx Sjogrens
Artificial tears + saliva replacement
Genetic marker polymyositis
HLA-B8/DR3
What is polymyositis
Inflammation of striated muscle –> proximal mm weakness
Sx polymyositis (5)
Weakness in absence pain Assoc mm wasting Insidious/acute onset Assoc malaise, wt loss + fever Difficulty squatting or climbing stairs
What can happen if polymyositis is left untreated?
Resp mm involvement –> resp failure
Antibodies Dermatomyositis
HLA B8/DR3
What is dermatomyositis
Polymyositis + skin involvement
What 2 rashes are classical in dermatomyositis
Heliotropic rash of eyes
Gottrons papules over knuckles
Which conditions are dermato + myositis assoc w/ (4)
SLE
RA
Sclerosis
Malig
Ix dermato/myositis (8(
Serum CK ESR ANA +ve RF HLAB8/DR3 EMG MRI - abnorm mm Needle biospy - fibre necrosis
What % patients w/ dermato/myositis = RF + ve
50%
Mx dermato/myositis
Prednisolone
DMARDS
Who is affected by inclusion body myositis?
White males >50
Sx inclusion body myositis
Insidious onset - progressive proximal + distal mm wasting
Ix inclusion body myositis (3)
ANA can be +ve
Myositis antigens (HLA-B8/DR3) -ve
Mm biopsy - inflam infiltrate + vacuoles + B-amyloid
Inclusion body myositis - response to pred/DMARDS
Poor
What % of pt w/ Polymyalgia rheumatic go on to develop GCA?
13-30%
What % of pt w/ GCA go on to develop PMR?
50-70%
What is polymyalgia rheumatica
Mild non-erosive synovial + periarticular inflammation of proximal joints
Age of Who gets PMR?
> 50y/o
Sx PMR (7)
Sudden onset severe pain + stiffness In neck/shoulders/hips/spine Worse in AM Lasts >30 mins \+ Systemic - tiredness, fever, W loss
O/E PMR
Mm are tender to palpate
Diagnosis PMR made by…
Bilat shoulder/pelvic girdle pain
Acute phase response
>2W
+ assess for GCA
Ix PMR (4)
Raised ESR/CRP
Normochromic anaemia
Platelets - incr
RF/ANA/Anti-CCP -ve
Mx PMR (3)
15mg prednisolone 2w
Then reduce 5-7/day maintainence 6m
Consider specialist Rx
Giant Cell Arteritis
Inflammation infiltrates accumulate in medium + large aa –> granulomatous vasculitis –> ischaemia
Sx GCA (5)
Severe abrupt onset headaches Scalp/temporal tenderness Jaw claudication SLOV painless O/E - tenderness/swelling temple
Ix GCA (6)
Anaemia on FBC Raised ESR/CRP Raised ALP/GGT RF/ANA/Anti-CCP -ve CK -ve TEMPORAL AA BIOPSY for defintive diagnosis
Mx GCA (4)
PO pred (60mg if visual Sx, 40mg if not)
Should respond to steroids rapidly
5 years
Monitor for large vessel involvement
General Sx vasculitis (5)
Malaise Weight loss Fever Myalgia Arthalgia
Skin Sx vasculitis (2)
Purpura
Ulcers
GI Sx vasculitis (3)
Mouth ulcers
Abdo pain
Diarrhoea
Resp Sx vascultis (2)
Haemoptysis
SOB
ENT Sx vasculitis (2)
Epistaxis
Crusting
Cardiac Sx vasculitis (1)
Chest pain
Vasculitis of the large aa (2)
GCA
Takayasu
What is Takayasu
Young adults w/ upper limb claudication + stroke
Vasculitis of the medium aa (2)
Polyarteritis nodosa
Kawasaki
What is polyarteritis nodosa
Multisystemic Sx + microaneurysms
Vascultis of med-small aa (3)
All ANCA +
Wengers granulomatosis
Churg-strauss
Microscopic polyangitis
Which organs does Wenger’s grandulomatosis effect? (3)
Lung
Kidney
ENT
PS Churg-Strauss
Late onset asthma
+ Cardiopulmonary involvement
PS Microscopic polyangitis
Pulmonary renal syndrome
Haemoptysis + haematuria
Vasculitis of the small aa (2)
HSP
Cryoglobinaemia
What is cryoglobinaemia
Hep C
Rash
Arthralgia
Ix vasculitis (5)
FBC LFT inflammatory markers Immunology Tissue biopsy
C-ANCA
Wegners
P-AANCA (2)
Churg Strauss
Microscopic polyangitis
Mx vasculitis
CCS = mainstay
If ANCA +VE - cyclophosphamide
IVIG (KAwasaki)
Mx life threatening vasculitis
Plasma exchange