Podcast
Questions and Answers
What is the occurrence rate of cleft lip with or without cleft palate in live births?
What is the occurrence rate of cleft lip with or without cleft palate in live births?
- 1 in 600 (correct)
- 1 in 2000
- 1 in 1500
- 1 in 1000
Which statement describes a complete cleft lip?
Which statement describes a complete cleft lip?
- It extends across the whole lip and into the nostrils. (correct)
- It is always unilateral.
- It can only be unilateral.
- It does not extend into the nostrils.
What is the primary structure responsible for the formation of the upper lip during embryonic development?
What is the primary structure responsible for the formation of the upper lip during embryonic development?
- Bilateral mandible
- Frontonasal prominence (correct)
- Bilateral maxillary prominences (correct)
- Lateral palatal processes
At what gestational weeks does the critical period for lip and palate development occur?
At what gestational weeks does the critical period for lip and palate development occur?
What type of cleft occurs when the palate fissure extends beyond the incisive foramen?
What type of cleft occurs when the palate fissure extends beyond the incisive foramen?
What results from the incomplete fusion of the two palatal shelves?
What results from the incomplete fusion of the two palatal shelves?
Which embryonic structures give rise to the secondary palate?
Which embryonic structures give rise to the secondary palate?
What is the primary defect leading to the occurrence of cleft lip?
What is the primary defect leading to the occurrence of cleft lip?
What should be avoided in infants with cleft palates due to the risk of airway obstruction?
What should be avoided in infants with cleft palates due to the risk of airway obstruction?
Which inhalational anesthetics are considered safe for induction of anesthesia?
Which inhalational anesthetics are considered safe for induction of anesthesia?
Which technique is NOT recommended for managing difficult endotracheal intubation in children with craniofacial syndrome?
Which technique is NOT recommended for managing difficult endotracheal intubation in children with craniofacial syndrome?
What should be confirmed before administering neuromuscular blocking agents?
What should be confirmed before administering neuromuscular blocking agents?
What is the purpose of using an oral pack in the surgical setting?
What is the purpose of using an oral pack in the surgical setting?
What key factor must be managed during anesthesia maintenance?
What key factor must be managed during anesthesia maintenance?
What should be performed after positioning the patient for surgery?
What should be performed after positioning the patient for surgery?
What can common problems with the endotracheal tube lead to?
What can common problems with the endotracheal tube lead to?
Which condition is NOT commonly associated with airway obstruction in patients with congenital abnormalities?
Which condition is NOT commonly associated with airway obstruction in patients with congenital abnormalities?
What is the main anesthetic concern related to intubation in infants under 6 months of age?
What is the main anesthetic concern related to intubation in infants under 6 months of age?
Which of the following is NOT a common preoperative evaluation for a patient with cleft palate?
Which of the following is NOT a common preoperative evaluation for a patient with cleft palate?
What percentage of patients with congenital abnormalities might experience congenital heart disease?
What percentage of patients with congenital abnormalities might experience congenital heart disease?
Which statement about obstructive sleep apnea syndrome in the context of anesthesia is true?
Which statement about obstructive sleep apnea syndrome in the context of anesthesia is true?
Chronic rhinorrhea in children presenting for cleft palate closure is primarily caused by what?
Chronic rhinorrhea in children presenting for cleft palate closure is primarily caused by what?
What complication may arise from recurrent hypoxia due to airway obstruction?
What complication may arise from recurrent hypoxia due to airway obstruction?
What is a potential nutritional concern for patients with cleft palate?
What is a potential nutritional concern for patients with cleft palate?
What is a spontaneous breathing technique with halothane used for?
What is a spontaneous breathing technique with halothane used for?
Which of the following is NOT a benefit of controlled ventilation with muscle paralysis?
Which of the following is NOT a benefit of controlled ventilation with muscle paralysis?
What is the role of adrenaline in local infiltrations?
What is the role of adrenaline in local infiltrations?
Which opioid is noted for helping achieve smoother emergence during extubation?
Which opioid is noted for helping achieve smoother emergence during extubation?
What is the anatomical location of the infraorbital nerve?
What is the anatomical location of the infraorbital nerve?
What is the procedure for blocking the infraorbital nerve?
What is the procedure for blocking the infraorbital nerve?
What is a significant risk following extubation?
What is a significant risk following extubation?
How much adrenaline should be administered with local infiltrations in the presence of normocapnia and halothane?
How much adrenaline should be administered with local infiltrations in the presence of normocapnia and halothane?
Flashcards
What is a Cleft Lip (CL)?
What is a Cleft Lip (CL)?
A split in the upper lip, sometimes extending to the nostril.
What is a Complete Cleft Lip?
What is a Complete Cleft Lip?
A split in the upper lip that goes all the way through, reaching the nostril.
What is an Incomplete Cleft Lip?
What is an Incomplete Cleft Lip?
A split in the upper lip that is not complete, meaning there is some tissue connecting the two sides.
What is a Cleft Palate (CP)?
What is a Cleft Palate (CP)?
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What is a cleft lip?
What is a cleft lip?
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How does a Cleft Palate develop?
How does a Cleft Palate develop?
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How does a Cleft Lip develop?
How does a Cleft Lip develop?
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What is a cleft palate?
What is a cleft palate?
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Airway Complications
Airway Complications
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Associated Abnormalities
Associated Abnormalities
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Chronic Rhinorrhea
Chronic Rhinorrhea
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Obstructive Sleep Apnea
Obstructive Sleep Apnea
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Right Ventricular Hypertrophy and Cor Pulmonale
Right Ventricular Hypertrophy and Cor Pulmonale
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Difficult Intubation
Difficult Intubation
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Nutrition and Hydration
Nutrition and Hydration
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Anesthetic Management
Anesthetic Management
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Premedication for Cleft Palate Surgery
Premedication for Cleft Palate Surgery
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Atropine for Cleft Palate Surgery
Atropine for Cleft Palate Surgery
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Induction of Anesthesia: Cleft Palate Surgery
Induction of Anesthesia: Cleft Palate Surgery
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Neuromuscular Blocking Agents: Cleft Palate Surgery
Neuromuscular Blocking Agents: Cleft Palate Surgery
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Endotracheal Intubation: Cleft Palate Challenges
Endotracheal Intubation: Cleft Palate Challenges
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Intubation Tube and Mouth Gag: Cleft Palate Surgery
Intubation Tube and Mouth Gag: Cleft Palate Surgery
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Maintaining Airway: Cleft Palate Surgery
Maintaining Airway: Cleft Palate Surgery
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Homeostasis Monitoring: Cleft Palate Surgery
Homeostasis Monitoring: Cleft Palate Surgery
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Spontaneous Breathing with Halothane
Spontaneous Breathing with Halothane
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Controlled Ventilation with Muscle Paralysis
Controlled Ventilation with Muscle Paralysis
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Local Infiltrations
Local Infiltrations
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Adrenaline in Local Infiltrations
Adrenaline in Local Infiltrations
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Short-Acting Opioids for Smooth Recovery
Short-Acting Opioids for Smooth Recovery
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Bilateral Infraorbital Nerve Blocks
Bilateral Infraorbital Nerve Blocks
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Infraorbital Nerve
Infraorbital Nerve
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Infraorbital Nerve Block Technique
Infraorbital Nerve Block Technique
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Study Notes
Introduction
- Cleft lip and palate are the most common craniofacial abnormalities
- Cleft lip (with or without cleft palate) occurs in 1/600 live births
- Cleft palate alone occurs in 1/2000 live births
- Cleft can involve lip, alveolus (gum), hard palate, soft palate (or a combination)
- Can be complete or incomplete
- Can be unilateral or bilateral
Anatomy
-
Cleft lip (CL): Unilateral or bilateral fissure in the upper lip
-
Complete CL: Extends across the entire lip and into the nostrils
-
Incomplete CL: Ranges from subtle indentations to large defects with little tissue between clefts
-
Cleft palate (CP): Unilateral or bilateral fissure in the soft palate, may extend to the hard palate
-
Cleft palate can co-occur with cleft lip when the lip fissure extends past the incisive foramen, including the palatine suture
Embryology
- Lip and palate development occurs in the first trimester (weeks 6-9 of gestation)
- Upper lip and primary palate form from fusion of frontonasal and bilateral maxillary prominences
- Cleft lip occurs when this fusion fails on one or both sides
Clinical Problems
- Facial disfigurement and potential social isolation
- Feeding problems and abnormal speech
Anesthetic Concerns
- Majority of anesthetic morbidity related to cleft lip/palate surgery is airway related
- Difficulty with intubation
- Inadvertent extubation during procedure
- Postoperative airway obstruction
- Optimal anesthetic management depends on patient age, equipment, anesthetic drugs, and expertise
Preoperative Evaluation
- Thorough history and physical exam
- Identify associated congenital abnormalities (e.g., Pierre-Robin sequence, Goldenhar syndrome, Treacher Collins syndrome)
- Assess for congenital heart disease (occurs in 5-10% of cleft patients)
- Assess for chronic rhinorrhea (common due to reflux during feeding)
- Evaluate for obstructive sleep apnea syndrome (patients are highly sensitive to respiratory depressants in anesthetics)
Extubation
- Acute airway obstruction is a significant risk
- Surgeon should ensure the surgical field is dry
- Minimize suctioning to prevent surgical repair disruption
- Oropharyngeal airways should be avoided, if possible
- Tongue stitch may be placed in patients with pre-op airway obstruction to pull tongue away from the posterior pharyngeal wall for post-op airway support
Key Points
- Difficult laryngoscopy is a more frequent finding than a difficult airway
- Patients should be extubated when fully awake, closely monitored for airway obstruction
- Analgesia is an important part of balanced anesthetic technique
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