surgical repair of cleft lip and palate capt mubashir iqbal
TRANSCRIPT
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SURGICAL REPAIR OF CLEFT LIP AND PALATE
CAPT MUBASHIR IQBAL
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IntroductionFacial clefting is the second most common congenital deformity (after clubfoot)
Affects 1 in 750 births
Problems are cosmetic, dental, speech, swallowing, hearing, facial growth, emotional
Otolaryngologist holds key role in management
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EMBROYOLOGY 4th week FACIAL PROMINENCES
Frontonasal process forms forehead ,bridge of nose, medial & lateral nasal prominences
Maxillary process forms cheeks & lateral portion of upper lip
Lateral nasal process forms alae of nose
Medial nasal process forms nasal septum,philtrum,premaxilla & primary palate
Mandibular process forms lower lip
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ANATOMY
Hard Palate Maxilla( Palatine Processes)
+
Palatine Bones(Horizontal Lamina)
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ANATOMY
Soft PalateFibromuscular shelf attached like a shelf to
posterior portion of hard palate
Tensor Veli Palatini
Levator Veli Palatini(Primary Elevator) Musculus Uvulae,
Palatoglossus
Palatopharyngeus
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CLASSIFICATION1. Veau’s simple classification (1931)
2. Pfeifer’s symbolic classification (1966)
3. Kernahan & Stark’s striped Y classification (1971)
4. Krien’s LAHSHAL classification (1987)
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VEAU’s
Veau Classification - 1931 Veau Class I: isolated soft palate cleftVeau Class II: isolated hard and soft palate Veau Class III: unilateral CLAPVeau Class IV: bilateral CLAP
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PFEIFER’s SYMBOLIC
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KERNAHAN’s STRIPED Y
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KRIEN’s LAHSHAL
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EPIDEMIOLOGYHighest incidence in NATIVE AMERICANS ( 3.7/1000)
Lowest in AFRO-CARRIBEAN (0.3/1000)
Cleft lip + palate more common in boys 2 :1
Cleft lip common in boys 1.5 : 1
Cleft palate alone more common in girls
C/L left twice as common as right
Unilateral/bilateral
Complete/incomplete
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GENETIC FACTORSSiblings ( 2.2 to 10 %)Linkage analysis
TGF alphaTGF betaMSX 1MTHFR
ENVIRONMENTAL FACTORSSmokingAlcoholAnticonvulsantssteroids
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ASSOCIATION with other SYNDROMES
Increased Clefts with maternal diabetes mellitus and amniotic band syndromeCleft Lip + Palate- 50%Cleft Palate- 30%Cleft Lip- 20%Cleft Lip + Alveolus- 5%
SYNDROMES
velocardiofacial syndrome, goldenhar syndrome, stickler & treacher collins syndromes
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CLEFT FORMATIONCleft result in a deficiency of tissue
Cleft lip occurs when an epithelial bridge fails
Clefts of primary palate occur anterior to incisive foramen
Clefts of secondary palate occur posterior to incisive foramen
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CLEFT LIPNasal floor communicates with oral cavity
Maxilla on cleft side is hypoplastic
Columella is displaced to normal side
Nasal ala on cleft side is laterally, posteriorly, and inferiorly displaced
Lip muscles insert into ala and columella
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Palatal CleftsSoft palate muscles insert on posterior margin of remaining hard palate rather than midline raphe.
Associated Dental AbnormalitiesSupernumery Teeth- 20%Dystrophic Teeth- 30%Missing Teeth- 50%Malocclusion- 100%
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Unilateral Cleft Lip
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Bilateral Cleft Lip
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MANAGEMENT
Team Approach
Otolaryngologist has a pivotal role
Initial Head and Neck Examination
Speech Disorders
Ear Disease
Airway Problems
Surgical Repair
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Head and Neck Exam
Head- facial symmetry
Otologic- auricle and canal development and location, pneumatic otoscopy, forks
Rhinoscopy- identifies clefting, septal anomalies, masses, choanal atresia
Oral Exam- cleft, dental, tongue
Upper airway- phonation, cough, swallow
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Speech Disorders
Errors in Articulation: Fricatives, Affricates
Velopharyngeal Competence- Most important determinant of speech quality in cleft palate patients-75% achieve competence after initial palate surgery
Incompetence- nasal emission or snort
Evaluation- Direct exam , Fiberoptic Exam
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Ear Disease
Cleft Lip- Incidence similar to normal pop.
Cleft Palate- Almost all with ETD, CHL
ETD- Due to abnormal insertion of levator veli palatini and tensor veli palatini into posterior hard palate
ETD- Returns to normal by mid-adolescent
Cleft Palate- Increased Cholesteatoma(7%)
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Ear Disease
Otologic Goals For Cleft Palate PatientsAdequate hearingOssicular chain continuityAdequate middle ear spacePrevent TM deterioration
Indications for Myringotomy TubesCHL, Persistent/Recurrent effusion, RetractionCleft palate: Multiple BMTs from 3mo. - 12 yrs
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Airway Problems
More common in Cleft Palate patients with concomitant structural or functional anomalies.
e.g. Pierre-Robin SequenceMicrognathia, Cleft Palate, GlossoptosisMay develop airway distress from tongue
becoming lodged in palatal defect
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Surgical Repair- Cleft Lip
Lip Adhesions- 2 weeks of ageConverts complete cleft into incomplete cleftServes as temporizing measure for those with
feeding problemsMay interfere with definitive lip repairLess often needed in recent years due to wider
variety of specialty feeding nipples
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Surgical Repair- Cleft Lip
Cleft lip repaired at 10 weeks
Rotation-advancement method- Most common in the U.S.
Nine Landmarks
Rotation Flap cuts made first
Advancement cuts made next
Cleft side nasal ala cuts made last
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Surgical Techniques
Cleft Lip Repair unilateral
rotation-advancement flap developed by Millard
complications dehiscence
infection thin white roll
excess tension
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Milliard & Delaire repairs
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Surgical Techniques
Cleft Lip Repair bilateral
bilateral rotation advancement with attachment to premaxilla mucosa
complications dehiscence thin white roll
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Alveolar Cleft Repair
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Surgical Repair- Cleft Palate
Several Techniques- Trend is towards less scarring and less tension on palateScarring of palate may cause impaired mid-facial growth(alveolar arch collapse, midface retrusion, malocclusion)Facial growth may be less affected if surgery is delayed until 18-24 months, but feeding, speech, socialization may suffer.
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Surgical Repair- Cleft Palate
Bardach Method- Two Flap techniqueMedial incisions made, which separate oral and
nasal mucosaLateral incisions made at junction of palate and
alveolar ridgeElevate flaps, preserve greater palatine artery. Detach velar muscles from posterior palate Close in 3 layers
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VEAU REPAIR(BARDACH)
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LANGENBACH
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VEAU WARDOL KILNER
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Langenbeck, Veau, VWK
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FURLOW Z-plasty
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2 staged repair of
cleft palate
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Vomer flap repair of unilateral cleft palate
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Non-Surgical Treatment
Dental ObturatorFor high-risk patients or those that refuse surgery
Advantage- High rate of closureDisadvantage- Need to wear a prosthesis, and
need to modify prosthesis as child grows.
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Conclusions
Cleft Lip and Palate are common congenital deformities that often affect speech, hearing, and cosmesis; and may at times lead to airway compromise.
The otolaryngologist is a key member of the cleft palate team, and is in a unique position to identify and manage many of these problems .