Cleft Surgical Repair Flashcards
Dangers of surgical repair
Disruption of blood supply, nerve supply & growth
Lip repair
-lip repair can contribute to nasal obstructions if it results in stenosis of the nasal vestibule. This obstruction can cause problems with nasal breathing and sleep, and even cause abnormal resonance
Anesthesia Rule
Rule of 10s
10 lbs
10 weeks
10 g of hemoglobin (O2 in the blood)
NAM
Nasal-Alveolar Molding- other procedures for bringing the cleft segments closer together
Lip Repair Types
Straight line repair
Triangular flap repair/Tennison-Randall
Millard rotation advancement technique
(both designed for unilateral and bilateral cleft lip repair)
Fistulae
holes that develop after surgical repair, the tissue dehisces.
Functional= fistulae has effect on speech, eating or drinking, if air, food or liquid gets into the nose
Cannot impound oral pressure with fistulae
What type of repair is the primary palate/hard palate?
Soft tissue repair
What are the important muscles under the palate?
Palatal glossus
Palatal pharyngeous
One-Stage Palate Repairs
done around 10-24 months of age furlow z-plasty for the soft palate Von Langenbeck V-Y retroposition procedure/Wardill Pushback Procedure Vomer Flap
Two-Stage Palate Repairs
done around 12 months and then 24 months
Risks of 2 surgeries
Orthognathic Surgery
Oro-maxillofacial surgeon
Bone graft to the alveolus (if there was a cleft in the alveolus)
Surgery should be done when adult teeth are starting to grow in, between 6-10 years old
Goal: good blood supply, teeth to grow
If fistulae, this will also be addressed during surgery
Donor site is usually bone graft from the iliac crest in the hip
Maxillary Osteotomy
Oro-maxillary surgeon (except Le Fort 3- plastic surgeon and cranial surgeon)
Le Fort Osteotomy is upper jaw surgery that involves sectioning and repositioning maxilla to correct its abnormal position/retruded, midface hypoplasia
Main goal: realign occlusion
Advantage: makes a big difference to the child’s profile
Complications: infections, however very successful. Some lifestyle restrictions.
Maxillary advancement can create VPI/dysfunction
Le Fort 1: Upper jaw line
Le Fort 2: Bridge of the nose
Le Fort 3: Orbit if the eyes, exposes brain at orbit of eye
Mandibular Osteotomy
“Spreaders”. Changes the length of the mandible (usually done to shorten mandible for kids with cleft palate)
A cut is made through the gum behind the back teeth to gain access to the jawbone. The lower jaw is then cut with a small saw to allow it to be broken in a controlled manner. It is then moved into its new position and held in place with small metal plates and screws.
After the procedure, the process/goal is distraction osteogenesis. This is when two segments of a bone slowly apart in such a way that new bone fills in the gap.