Rheuma: Osteoarthritis Flashcards

1
Q

When do these patients feel the most pain?

A

at night

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2
Q

what kind of tissues is swollen in OA?

A

bone

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3
Q

are there signs of inflammations such as erythema or warmth in OA?

A

no

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4
Q

is there is morning stiffness

A

yes, which lasts less than 30 minutes

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5
Q

are there systemic features in OA?

A

no

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6
Q

how are ESR and CRP levels in OA?

A

not elevated

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7
Q

WCC in synovial fluid

A

low (less than 2000)

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8
Q

which joints are more likely to be hit by OA?

A

ankles, knees and hips (larger joints)

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9
Q

non-pharmacological options for OA

A
  • physiotherapy
  • occupational therapy
  • lifestyle changes (weight loss, non-weight bearing exercises)
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10
Q

pharmacological options for OA

A
  • paracetamol
  • NSAIDs
  • pain patches
  • hot and cold packs
  • capsaicin cream
  • Cymbalta (duloxetine)
  • steroid injection (if there is inflammation)
  • for superficial joints, you can use topical treatment
  • for deep joints, you can use oral or injectable treatments
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11
Q

injectable treatment options for OA

A
  • cortisone
  • lubrication
  • hyaluronic and chondroitin
  • steroid/NSAIDs
  • platelet-rich plasma
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12
Q

surgical options for OA

A
  • realigning bones
  • joint replacement
  • joint fusion
  • bunion repair
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13
Q

which population does this affect?

A

the elderly population as this is due to degeneration and wear-and-tear of the joints

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14
Q

what are the nodes caused by osteophyte deposition called

A

Bouchard’s node in PIP

Heberden’s node in DIP

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15
Q

pattern of the joints affected

A

polyarthritic and asymmetrical

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16
Q

risk factors for OA

A
  • age
  • family history
  • previous trauma
  • joint defects
  • obesity
17
Q

what makes the pain worse?

A

exercise (made better by rest)

18
Q

other features of the condition

A
  • joint pain
  • crepitus
  • joint gelling
  • joint instability
  • limited movement
19
Q

features on examination

A
  • Heberden’s and Bouchard’s nodes

- squaring of the wrist (prominence of the 1st CMC joint)

20
Q

Plain Xray cardinal features

A

Subchondral sclerosis
Osteophytes
Narrowing of joint space
Subchondral cysts

21
Q

lifestyle changes advice

A
  • diet
  • weight loss
  • reduce stress over the affected joints
  • walking aids
  • appropriate footwear
22
Q

indications for arthroplasty

A
  • symptoms which are not responsive to medical treatment
  • radiologically-advanced OA
  • patients who are motivated to put effort into rehab
  • patients who understand limitations, length of recovery and realistic results of the procedure
23
Q

contraindications for arthroplasty

A
  • individuals with early symptoms
  • minimal changes on xray
  • unrealistic expectations
  • chronic widespread pain
  • chronic narcotic use
  • dementia or early cognitive loss
24
Q

characteristics of OA

A

destruction and loss of articular cartilage

25
Q

how is the diagnosis made?

A

APART FROM THE HISTORY OF USAGE-RELATED JOINT PAIN, AN ELDERLY PATIENT WHO HAS EMS FOR LESS THAN 30 MINUTES
the cardinal signs have to be found on normal plain xray; ultrasound may be used for synovial inflammation, effusion and osteophytosis

26
Q

when should you consider running more tests?

A
  • younger individuals
  • atypical symptoms and signs
  • presence of weight loss or constitutional symptoms