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Y4R4 - Surgery II 👨‍⚕️ > L8: Peripheral Nerve Injury > Flashcards

L8: Peripheral Nerve Injury Flashcards

1
Q

Structure of Nerves

A
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2
Q

Seddon’s Classification of Nerve Injury

A
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3
Q

Seddon’s Classification of Nerve Injury

  • Neuropraxia
A
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4
Q

Seddon’s Classification of Nerve Injury

  • Axonotmesis
A
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5
Q

Seddon’s Classification of Nerve Injury

  • Neurotmesis
A
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6
Q

Brachial Plexus

A
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7
Q

Causes of Brachial Plexus Injury

A
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8
Q

Course & Branches of Radial Nerve

A
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9
Q

Sensory Supply by Radial Nerve

A
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10
Q

Motor Supply by Radial Nerve

A
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11
Q

Injury of Radial Nerve

A
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12
Q

Course of Ulnar Nerve

A
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13
Q

Sensory Supply of Ulnar Nerve

A
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14
Q

Motor Supply By Ulnar Nerve

A
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15
Q

Injury to Ulnar Nerve

A
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16
Q

Course of Median Nerve

A
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17
Q

Sensory Supply by Median Nerve

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18
Q

Motor Supply by Median Nerve

A
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19
Q

Injury to Median Nerve

  • Site of injury
A
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20
Q

Injury to Median Nerve

  • Sensory Symp
A
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21
Q

Injury to Median Nerve

  • Motor Symp
A
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22
Q

Origin of Sciatic Nerve

23
Q

Thickest Nerve in Body

A

Sciatic Nerve

24
Q

Commonest Cause of Sciatic Nerve Injury

25
Q

Steppage in Sciatic Nerve Injury

A

High Steppage

26
Q

TTT of Sciatic Nerve Injury

A

Conservative treatment is indicated up to one year.

27
Q

Causes of Sciatic Nerve Injury

28
Q

TTT of Sciatic Nerve Injury

29
Q

Indications of Surgical Intervention in Sciatic Nerve Injury

30
Q

Operations for Sciatic Nerve Injury

31
Q

Operations for Sciatic Nerve Injury

  • Neurolysis
A

internal / external

32
Q

Operations for Sciatic Nerve Injury

  • Nerve Repair
A

Nerve repair

  • End-to-end repair: epineural/fascicular
  • Autologous graft: sural N.
33
Q

Operations for Sciatic Nerve Injury

  • Neurotization
A
  • intercostal N.
  • accessory N.
  • cervical plexus within 1 year.
34
Q

Operations for Sciatic Nerve Injury

  • Ms & tendon Transfer
35
Q

Leading Cause of failure of Nerve Graft

A
  • Inadequate resection.
  • Distraction of Repair Site
36
Q

Def of Entrapment Symdrome

A

A peripheral neuropathy caused by chronic or acute compression of the median nerve under the transverse carpal ligament “Flexor retinaculum”.

37
Q

Causes of Entrapment Symdrome

A

Hormonal disturbance as:
- Hypothyroidism.
- Acromegaly.
- RA
- Pregnancy

38
Q

Incidence of Entrapment Symdrome

A

Sex: More in females.

39
Q

CP of Entrapment Symdrome

40
Q

INVx for Entrapment Symdrome

A
  • NCV
  • US
  • MRI
41
Q

TTT of Entrapment Symdrome

A
  • Medical ttt.
  • Surgical release - open - endoscopic.
42
Q

Def of Thoracic Outlet Syndrome

A

Compression of subclavian vessels & the lower trunk of the brachial plexus.

43
Q

Causes f Thoracic Outlet Syndrome

A

Narrowing of the posterior triangle as in:
- Cervical rib.
- Fibrous band.

44
Q

Incidence of Thoracic Outlet Syndrome

A

Sex: More in females.

45
Q

CP of Thoracic Outlet Syndrome

46
Q

Types of Thoracic Outlet Syndrome

A
  1. Neurological.
  2. Vascular.
  3. Mixed.
47
Q

INVx for Thoracic Outlet Syndrome

A
  • NCV
  • US
  • MRI
  • X-Ray
48
Q

TTT of Thoracic Outlet Syndrome

A
  • Medical ttt
  • Surgical decompression:
  • Scalenotomy
  • Excision of cervical rib & fibrous bands.
49
Q

Entrapment of Ulnar Nerve

  • Etiology
50
Q

Entrapment of Ulnar Nerve

  • Causes
A

It is always associated with elbow trauma or deformity.

51
Q

Entrapment of Ulnar Nerve

  • CP
52
Q

Entrapment of Ulnar Nerve

  • INvx
A
  • NCV
  • US
  • X-Ray

§

53
Q

Entrapment of Ulnar Nerve

  • TTT
A
  • Medical ttt.
  • Surgical decompression.
  • Ulnar nerve transposition.

Y4R4 - Surgery II 👨‍⚕️ (32 decks)

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