Orthopaedic Knee Conditions Flashcards

1
Q

What are the causes of meniscal tear?

A

Acute:

  • twisting- esp. deep flexion

Chronic:

  • osteoarthritis
  • medial meniscal tear more common- more fixed structure
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2
Q

What is the presentation of meniscal tear?

A
  • pain
  • clicking
  • locking
  • intermittent swelling
  • effusion
  • tender joint line
  • mechanical block to movement
  • +ve McMurray’s test
  • fail deep squat
  • +ve Thassaly’s test
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3
Q

What are the investigations for meniscal tear?

A
  • XR
  • MRI
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4
Q

What is the treatment for meniscal tear?

A
  • rest
  • NSAIDs
  • physiotherapy
  • hamstring + quadriceps strengthening
  • arthroscopy
  • repair
  • resection
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5
Q

What is the cause of an ACL tear?

A
  • non-contact pivot injury
  • F:M = 4.5:1
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6
Q

What is the presentation of an ACL tear?

A
  • heard pop/crack
  • immediate swelling- haemarthrosis
  • unable to continue playing
  • deep pain
  • effusion
  • anterior draw
  • Lachmann’s test
  • pivot shift
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7
Q

What are the investigations for an ACL tear?

A
  • XR
  • MRI
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8
Q

What is the treatment for an ACL tear?

A
  • focussed quadricep program
  • ACL reconstruction
  • partial menisectomy, ligament repair/augmentation
  • hamstring graft
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9
Q

What is the cause of an MCL tear?

A
  • severe valgus stress- usually contact related
  • most common ligament knee injury
  • associated with; ACL tear, meniscal tear
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10
Q

What is the presentation of an MCL tear?

A
  • heard pop/crack
  • pain- medial side
  • unable to continue playing
  • bruising medial knee
  • localised swelling
  • tender medial joint line
  • tender femoral insertion of MCL
  • painful on full extension
  • opening on valgus stress
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11
Q

What are the investigations for an MCL tear?

A
  • XR
  • MRI
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12
Q

What is the treatment for an MCL tear?

A
  • rest
  • NSAIDs
  • physiotherapy
  • brace for comfort
  • surgical repair or reconstruction
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13
Q

What is osteochondritis dissecans and its causes?

A
  • pathological lesions affecting articular cartilage and subchondral bone
  • juvenile (growth plates will open) + adult
  • hereditary
  • traumatic
  • vascular (adult)
  • knee most common (posterolateral aspect of medial femoral condyle)
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14
Q

What is the presentation of osteochondritis dissecans?

A
  • activity related pain- poorly localised
  • recurrent effusions
  • locking
  • block to full movement
  • localised tenderness
  • stiffness
  • Wilson’s test
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15
Q

What are the investigations for osteochondritis dissecans?

A
  • XR
  • MRI
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16
Q

What is the treatment for osteochondritis dissecans?

A
  • restricted weight bearing
  • rom brace
  • arthroscopy
  • subchondral drilling
  • fixation of loose fragment
  • open fixation