Plastic Surgery/Reconstruction Flashcards
cleft lip and palate
- one in how many hundreds of births?
- More common in males or females?
- Associated with more than syndromes?
- Occur as a defect of palatal growth in the what trimester?
- Diagnosed by ultrasound at what range of weeks gestation?
- Primary cleft lip repair at what months of age?
- Primary cleft palate repair at what months of age?
- Lip revisions occur in early or late childhood?
- Palatal revisions including bone graft at what years of age?
- 1:700 births
- males
- 400
- first
- 18-20 weeks
- 3 months
- 6 months
- early
- 10 years
Cleft Lip & Palate
1. preop interview should include what 4 things? (BH, G, FTT, RFM)
2. do bilateral cleft lips have more incidence of difficult airway?
3. Incidence of difficult direct laryngoscopy is approximately
what % in children with micrognathia but only about what % in those without?
4. Cleft palate patients usually have a what in place? (PO)
5. is face mask induction complicated?
6. for laryngoscopy, use a straight blade and guide it into the right what to stay out of the cleft? (PG)
7. what ETT is a good choice?
8. paralysis isn’t necessary, but can help with placement of what? (R)
- birth history, genetics, failure to thrive, risk for malnutrition
- yes
- 50%, 4%
- palatal obturator
- no
- pharyngeal gutter
- oral RAE
- rectractor
Triad of Pierre Robin sequence:
- what 2 anatomy features? (M, G)
- resp distress the first what hour range after birth?
- micrognathia, glossoptosis
2. 24-48 hours
Cleft Lip & Palate
- dingman retractors can cause hypoperfusion to where? (T)
- consider releasing the dingman retractors after how many hours?
- use short acting opioids like what range of fentanyl?
- surgeon may place bilateral blocks where? (I)
- can you use an oral airway?
- surgeon may place a suture where to prevent an airway obstruction (T)
- cleft palate procedures are at risk for airway obstruction d/t what 3 things? (UAN, AE, RA)
- tongue
- 2 hours
- 1-2 mcg/kg
- infraorbital blocks
- no
- tongue
- upper airway narrowing, acute edema and residual anesthetic
Cleft Lip and Palate
- consider what mg/kg of decadron to help with airway edema?
- extubate the pt awake after return of what? (AR)
- feeding with what fluids is permissible as soon as the child is awake? (C)
- may bottle feeding or nursing be limited?
- 0.5 mg/kg
- airway reflexes
- clears
- yes
Craniosynostosis
- craniosynostosis are premature fusion of cranial what? (S)
- Dolichocephaly is a premature fusion of what suture?
- brachycephaly is the premature fusion of what suture?
- Plagiocephaly is a premature fusion of what suture?
- Dolichocephaly is elongation along what axis?
- brachycephaly is elongation along what axis?
- Plagiocephaly is elongation in which anatomical direction?
- which is the most common?
- sutures
- sagittal
- coronal
- lamboid
- anterior-posterior
- left-right
- posteriorly
- Dolichocephaly
Craniosynostosis equipment for the management of a difficult what should be in the room? (A)
airway
Craniosynostosis increased ICP
- what fraction of children with crouzon’s have increased ICP?
- what % range of single suture craniosynostosis have increased ICPs?
- is early surgery indicated to prevent an increased ICP?
- OSA resulting in hypoxemia and hypercarbia may lead to an increase in what blood volume and thereby exacerbate intracranial what? (C, H)
- is hydrocephalus rare in nonsyndromic craniosynostosis?
- what 3 meds can be given to decrease ICP? (M, L, D)
- should a VP shunt be considered when ICP is high?
- 1/3
- 10-20%
- yes
- cranial, hypertension
- yes
- mannitol, laxis, dexamethasone
- yes
Strategies to control ICP:
- mild to moderate what? (H)
- ETCO2 range of what mmHg?
- avoiding what volume state? (H)
- give what % saline solution?
- hyperventilation
- 30-35 mmHg
- hypervolemic
- 3%
Craniosynostosis increased ICP
- Craniofacial surgeries allow for an increased what volume and they decrease what pressure? (C, I)
- pts still need to be monitored post craniofacial surgeries for increases in what? (I)
- cranial, ICP
2. ICP
Craniosynostosis induction
- what type of induction usually?
- want to keep these children doing what until you are certain you can mask ventilate and control the airway? (SB)
- a lot of times what type of intubation is performed via a what? (FVL)
- ensure a leak around the ETT at less than what cm H2O?
- after airway secure, place what 2 things?
- what type of med should be given surgeries for craniosynostosis? (A)
- inhalational
- spontaneously breathing
- fiberoptic via an LMA
- 20 cm H2O
- art line, another IV
- antifibrinolytic
Amicar:
- what is bolus mg/kg and give it over how many hours?
- give what mg/kg/hr infusion range during the procedure?
- 100 mg/kg over 1 hour
2. 10-15 mg/kg/hr
TXA:
- what dose on induction? (mg/kg)
- then give every how many hours?
- 10 mg/kg
2. 4 hours
craniofaical reconstructions involves what 2 surgical teams?
- neurosurgery
2. plastics
Craniosynostosis
- infuse what ml/kg of crystalloid prior to incision?
- give what ml/kg of PRBC with incision?
- if hypotensive during surgery, give what for resuscitation?
- use narcotic boluses because light anesthesia means more what? (BL)
- keep pt more what to prevent blood loss? (H)
- 20 ml/kg
- 5 ml/kg
- PRBC
- blood loss
- hypotensive