Paeds ENT Flashcards
What % of children with choanal atresia have other congenital anomalies
0.2
What % of theses patients require tracheotomy
0.9
How many serotypes of pneumococcus are responsible for 83°/o of invasive disease in children
7
How much mobilization can be achieved with peritracheal mobilization
(dissection of the annular ligaments)? Up to 1.5 cm.
What is the incidence of carcinoma arising in a TGDC
What % of these require surgical intervention
What are the A A 0-HNS indications for myringotomy and tympanostomy tubes
- 3 or more episodes of OM in 6 months;
- 4 or more episodes in 12 months.
- Hearing loss >30 dB from OME.
- OME >3 months.
- Chronic TM retraction.
- Impending mastoiditis or other complication of OM.
- Autophony secondary to patulous eustachian tube.
- ET dysfunction secondary to craniofacial anomalies or head and neck radiation.
What is the incidence of hemorrhage after adenotonsillectomy
0.1 - 8.1%.
What is the recurrence rate following the Sistrunk procedure
1 - 4%.
What is the incidence of submucous cleft palate
1 in 1200.
What % of cases of choana! atresia involve only a mucosal diaphragm or membrane
1 O%.
In what % of the population does the carotid artery lie deep to the floor of the tonsillar fossa
1%.
What is the incidence of clinically significant VPI after adenoidectomy?
1:1500-3000.
What percent of patients with Down syndrome have an unstable transverse ligament of the atlas?
10%.
What % of patients with Down syndrome have an unstable transverse ligament of the atlas
10%.
What % of infants have a hemangioma by age 1
12%.
How should contacts be treated
14 days of erythromycin.
What is the recurrence rate following the Sistrunk procedure?
1-4%.
What is the incidence of synchronous airway lesions in children with laryngomalacia
18- 20%.
When should aspirin be discontinued prior to surgery? Naproxen? All other NSAIDS
2 weeks, 4 days, 3 days, respectively.
When should aspirin, naproxen, and all other NSAIDs be discontinued prior to surgery?
2 weeks, 4 days, and 3 days, respectively.
What proportion of children will have had at least one episode of OM by age 1
2/3.
Birth trauma accounts for what % of vocal cord paralysis in children
20% (associated with forceps use and C-section).
What % of cases of congenital vocal cord paralysis are bilateral
20%.