Lumbar Conditions Flashcards

1
Q

What is mechanical back pain?

A

Pain when the spine is loaded - sitting/standing

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2
Q

What can worsen mechanical back pain?

A

Exercise

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3
Q

What can predispose you to mechanical back pain?

A

Overweight
Unhealthy lifestyle
Deconditioned core muscles

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4
Q

What are age related changes to the lumbar spine?

A

Nucleus pulposus dehydrated with age
Loss of disc height -> disc bulge
Change in load stresses on discs -> reactive marginal osteophytosis next to affected endplates
Syndesmophytes
Increases load stress on facet jonts -> facte joint OA
Decreased size of foramens -> compression of cauda equina/spinal nerve roots

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5
Q

What are syndesmophytes?

A

Bony growths originating inside a ligament

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6
Q

What causes pain in facet joint OA?

A

It is innervates by the meningeal branch of the spinal nerve

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7
Q

What are the stages of a slipped intervertebral disc?

A

Prolapse
Extrusion
Sequestration

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8
Q

What happens in the prolapse stage?

A

Protrusion of the nucleus pulposus with slight impingement into the spinal cord

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9
Q

What happens in the extrusion stage?

A

Nucleus pulposus breaks through annulus fibrosus but remains in the disc space

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10
Q

What happens in the sequestration stage?

A

Nucleus pulposus breaks through the annulus fibrosus and separates form the main body of the disc in the spinal canal

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11
Q

What are the common levels for a prolapsed disc?

A

L4/5

L5/S1

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12
Q

What are the types of disc prolapse?

A

Paracentral - most common
Far central
Canal filling

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13
Q

What direction does the disc normally prolapse?

A

Posterolaterally - causes compression of spinal nerve roots

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14
Q

What is sciatica?

A

Compression of the nerve roots which contribute to the sciatic nerve - leads to pain/paraesthesia

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15
Q

Which nerve roots contribute to the sciatic nerve?

A
L4
L5
S1
S2
S3
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16
Q

What are the main types of sciatica?

A

L4
L5
S1

17
Q

What is affected by L4 sciatica?

A

Anterior thigh
Anterior knee
Medial shin

18
Q

What is affected by L5 sciatica?

A

Lateral thigh
Lateral calf
Dorsum of foot

19
Q

What is affected by S1 sciatica?

A

Posterior thigh
Posterior calf
Heel
Sole of foot

20
Q

What is cauda equina syndrome?

A

Compression of the cauda equina

21
Q

What are the symptoms of cauda equina syndrome?

A

Bilateral sciatica
Perianal numbness - saddle anaesthesia
Painless urine retention
Urinary/faecal incontinence

22
Q

What is lumbar canal stenosis?

A

Narrowing of the lumbar spinal canal

23
Q

What is claudication?

A

Pain in legs when walking

Can be

  • neurogenic
  • vascular
24
Q

What is spondylolisthesis?

A

A slip on one vertebrae onto another

25
Q

What causes spondylolisthesis?

A

Abnormality in the vertebral arch

26
Q

What are the types of spondylolisthesis?

A
Dysplastic 
Isthmic 
Degenerative
Iatrogenic 
Pathological
27
Q

What is dysplastic spondylolisthesis?

A

Abnormality in facet joint

28
Q

What is isthmic spondylolisthesis?

A

Abnormality in pars interarticlaris

Causes back pain in adolescents

29
Q

What is degenerative spondylolisthesis?

A

Facet joint arthritis

Affects middle aged ladies

30
Q

What is iatrogenic spondylolisthesis?

A

Remove too much lamina and facet joint surgically

31
Q

What is pathological spondylolisthesis?

A

Tumour affecting the neural arch

32
Q

What levels do lumbar punctures take place at?

A

L3/4

L4/5

33
Q

What structures will the needle pass through in a lumbar puncture?

A
Skin 
Subcutaneous tissue
Supraspinous ligament 
Interspinous ligament 
Ligamentum flavum 
Epidural fat
Dura mater
Arachnoid mater
Subarachnoid space