C. dif Flashcards

1
Q

Discribe Clostridioides difficile

A
  • Gram positive
  • Spore forming
  • Anaerobic bacillus
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2
Q

How is C. dif transmitted

A

-Fecal oral route

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3
Q

Major abx that can lead to a C. dif infection

A
  • Clindamycin
  • Cephalosporins
  • Fluoroquinolones
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4
Q

C. dif risk factors

A
  • Recent abx use
  • Elderly
  • Hospital stay
  • Immunocompromised
  • Laxative use
  • Alterations in gut pH
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5
Q

Diagnosis of C. dif

A

> /= 3 unformed stools in 24hrs

-Positive EIA

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6
Q

Who do we NOT test for C. dif

A
  • Asymptomatic patients

- For cure

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7
Q

When do we use a test in addition to EIA

A
  • If EIA comes back inconclusive (+/-)

- Then use PCR to confirm results

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8
Q

Management of C. dif

A
  • Discontinue offending agent if possible
  • Fluid and electrolyte replacement
  • Avoid antimotility agents
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9
Q

C. dif infection control

A
  • Wash your hands (not just gel)

- Use chlorine containing cleaners or other sporadical agents

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10
Q

Criteria for non-sever C. dif

A

-WBC < 15
AND
-SCr < 1.5

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11
Q

Criteria for sever C. dif

A

-WBC > 15
OR
-SCr > 1.5

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12
Q

Criteria for Fulminent C. dif

A
  • Hypotension
  • Shock
  • Toxic megacolon
  • Perforation
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13
Q

Treatment options for non-sever to sever C. dif

A

-Vanco 125mg po qid
or
-FDX 200mg po bid
-Duration 10 days

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14
Q

Treatment for Fulminant C. dif

A

-Vanco 500mg po qid
Plus
-Metronidazole 500mg IV q8h
-Surgery is usually needed too

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15
Q

1st recurrence of C. dif

A
  • FDX 200mg po bid x 10 days

- Vanco tapered and pulsed

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16
Q

2nd recurrence of C. dif

A

-Vanco tapered and pulsed
-Vanco 125mg x 10 days
followed by rifaximin x 20 days
-FDX 200mg po bid x 10 days
-FMT ( if > 3rd recurrence)

17
Q

Other treatment option for C. dif

A
  • Bezlotoxumab 10mg/kg IV x 1 dose

- Decreases recurrence rates no difference in initial cure rates