Exam 1: Pediatric Anesthesia pt 3 Flashcards
(43 cards)
Neural tube defects is a group of birth defects that describe a common failure of the neural tube to develop properly during the ____ stage
embryonic
pg 41
What are some non-genetic environmental factors that can cause neural tube defects?
- Folate deficiency
- Anti-epileptic drugs
- Retinoids
- Maternal diabetes
____ _____ is characterized by abnormal or incomplete formation of midline structures over the back.
Spina Bifida
What are characteristics of spina bifida occulta?
- Overlying tissue appears normal
- Possible hairy patch
- Sacral dimple
- Lipoma
What are characteristics of spina bifida aperta?
- Obvious lesion on back
Either meningocele or myelomeningocele.
Differentiate a meningocele and a myelomeningocele.
Flip for picture of Spina Bifida sub-types.
Hydrocephalus is more common with which category of spina bifida?
Spina Bifida Aperta
Do nerve roots below the level of the lesion function for myelomeningocele?
No
What additional surgery is necessary for spina bifida w/ concomitant hydrocephalus.
VP shunt
What disorder is characterized by cerebellar herniation through foramen magnum into the cervical space?
Chiari Malformations
Chronic increasing of _____ is characteristic of chiari malformations.
ICP
- Headache
- Irritability
- N/V
What are the four types of chiari malformations?
The following s/s are characteristic of what?
Arnold Chiari Malformation
What are the varying types of craniosynostosis?
“Cloverleaf” craniosynostosis, hypertelorism, proptosis, syndactaly, and hypoplasia of the midface are all symptoms characteristic of what?
Apert Syndrome
What is hypertelorism?
Larger than normal distance between the eyes
Crouzon syndrome is a syndrome similar to Apert except for what key differences?
Differing ophthalmic defects
especially optic atrophy and exopthalmos.
What is another name for hemifacial microsomia?
Otomandibular dysplasia
Hemifacial Microsomia is characterized by the acronym OMENS, what does this stand for?
- Orbital distortion
- Mandibular hypoplasia
- Ear anomaly
- Nerve involvement
- Soft tissue deficiency
What factors may contribute to difficulty intubating a child with hemifacial microsomia?
- Mid-facial hypoplasia
- Asymmetry of mouth opening
- Retrognathic mandible
What is the most common syndrome associated with hemifacial microsomia?
Goldenhar Syndrome
What is a key feature of Treacher Collins Syndrome that differentiates it from other hemifacial microsomia syndromes?
Bilateral lower lid colobomas
What syndrome is characterized by a triad of micrognathia, glossoptosis, and respiratory distress during the 1st 48 hours of life?
Pierre Robin Syndrome