pediatric OM Flashcards

1
Q

Most common viral causes (~20% of cases)

A
  • respiratory syncytial virus (RSV)
  • rhinovirus
  • influenza
  • adenovirus
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2
Q

Most common bacterial causes ( ~80% of cases)

A
  • Streptococcus pneumoniae
  • Haemophilus influenzae
  • Moraxella catarrhalis
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3
Q

Antibiotic resistance trends: S. pneumoniae

A

42% penicillin non-susceptible
- alteration of penicillin binding protein (PBP)
- affects penicillins, cephalosporins and other beta lactams

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4
Q

Antibiotic resistance trends: H. influenzae

A

30-50% produce beta lactamase

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5
Q

Antibiotic resistance trends: M. catarrhalis

A

> 90% produce beta lactamase

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6
Q

Signs and symptoms of AOM

A

Middle ear effusion
Acute onset of symptoms
- fever
- rhinorrhea
- irritability
- otalgia (ear pain)
- tugging/rubbing ear
Otoscopic exam
- tympanic membrane appears erythematous, cloudy, white, bulging

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7
Q

Acute otitis media definition

A

rapid onset of signs and symptoms of inflammation in middle ear

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8
Q

Severe AOM definition

A

AOM with:
- moderate to severe otalgia
OR
- fever > 39 C (102.2F)

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9
Q

Non-severe AOM definition

A

AOM with:
- mild otalgia
AND
- temperature < 39 C (102.2 F)

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10
Q

Recurrent AOM definition

A
  • > /= 3 well documented separate AOM episodes in the past 6 months
    OR
  • > /= 4 episodes in the past 12 months with >/= 1 episode in the past 6 months
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11
Q

Otitis media with effusion (OME or severe otitis media)

A

inflammation of middle ear with liquid collected in middle ear, but no signs or symptoms of acute infection

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12
Q

Chronic suppurative otitis media

A

continuing inflammation of middle ear for at least 6 weeks, leading to perforated tympanic membrane and otorrhea

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13
Q

Diagnostic criteria

A
  • Middle ear effusion (new onset otorrhea not due to acute otitis externa)
    AND
  • acute onset of symptoms (<48 hrs)
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14
Q

Analgesia

A

Oral
-APAP (10-15 mg/kg PO Q4-6H)
-IBU (>/= 6 months: 10 mg/kg PO Q6-8H
Topical
- Anesthetics (antipyrine, benzocaine, lidocaine)
Naturopathic/Homeopathic ear drops

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15
Q

Antibiotics recommended for children with:

A

moderate to severe signs/symptoms:
- otalgia >/= 48 hrs
- temp >/= 39 C
Age < 24 months and bilateral AOM

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16
Q

First line antibiotic

A

Amoxicillin 80-90 mg/kg/d in 2 divided doses
- has not received amoxicillin in bast 30 days
- does not have concurrent purulent conjunctivitis
- is not allergic to penicillin

17
Q

2nd line

A

Amox/Clav 90 mg/kg /day in 2 divided doses
- has received amoxicillin in past 30 days
- concurrent purulent conjunctivitis
- Hx of AOM unresponsive to amoxicillin

18
Q

Alternatives: Penicillin allergy

A

Non-life threatening: use PO cephalosporin (cefdinir, cefuroxime, cefpodoxime)

Life threatening: macrolide (azithromycin, clarithromycin, clindamycin)

Ceftriaxone 50mg/kg IV x1

19
Q

Therapy duration

A

severe or < 2 yo = 10 days
2-5 years w/ mild-mod = 7 days
>6 years w/ mild-mod = 5-7 days

20
Q

Recurrent AOM treatment

A

tympanostomy tubes
adenoidectomy
prophylactic abx NOT recommended