CEREBRAL PALSY Thammanoon Srisaarn , MD. Orthopaedic department Pramongkutklao hospital CEREBRAL PALSY NON PROGRESSIVE (immature)BRAIN LESION RESULTS IN MOTOR IMPAIRMENT(may be other) Uncertain cause Nearly drowning, infectious meningitis Manifestration progress CLASSIFICATION PHYSIOLOGIC (Neuropathic) GEOGRAPHIC (Anatomic) PHYSIOLOGIC(NEUROPATHIC) SPASTICITY(PYRAMIDAL SYSTEM) ATHETOSIS(EXTRAPYRAMIDAL) CHOREIFORM DYSTONIA HYPOTONIA ATAXIC (CEREBELLUM) MIXED GEOGRAPHIC(ANATOMIC) DIPLEGIA HEMIPLEGIA DOUBLE HEMIPLEGIA PARAPLEGIA TRIPLEGIA QUADRIPLEGIA (TETRAPLEGIA) TOTAL BODY INVOLVEMENT MONOPLEGIA MANIFESTRATION SPASTIC DIPLEGIA 8- 10 MO. SPASTIC HEMIPLEGIA 20-24 MO. ATHETOID > 24 MO. DEPEND ON MYELINATION Factors affect walking ability (diplegia) Severity of lower ext. involvement Seizure Marked flaccidity Persistent abnormal primative reflexes Dislocated hip Intelligence, mental retardation Upper ext. involvement Birth weight BLECK’S WALKING PROGNOSIS (after 12 mo.) 1. ASYMMETRIC TONIC NECK REFLEX 2. NECK RIGHTING REFLEX 3. MORO REFLEX 4. SYMMETRIC TONIC NECK REFLEX 5. EXTENSOR THRUST 6. PARACHUTE REACTION 7. FOOT- PLACEMENT REACTION SCORE > 2 POOR PROGNOSIS PROGNOSIS GOOD PROGNOSIS FOR WALKING - HEAD BALANCE BEFORE 9 MO. - INDEPENDENT SITTING BY 24 MO. - CRAWLING BY 30 MO. POOR PROGNOSIS - LACK OF HEAD CONTROL BY 20 MO. (Camposda paz) PROGNOSIS SITTING BEFORE 2 YR USUALLY WALK INDEPENDENT 2-4 YR 50% WALK INDEPENDENTLY > 4 YR RARELY STAND OR WALK WITHOUT SUPPORT NEVER LEARN TO WALK BEFORE 8 YR UNLIKELY TO WALK (Motor improve plateau 7 yr.) (Beal ) PROGNOSIS 2 YR. WITH INDEPENDENT SITTING - NOT A GOOD PREDICTOR FOR WALKING ABILITY INABILITY TO SIT AFTER 4 YR. - PREDICTED NONAMBULATION (Molnar and Gordon) EVALUATION HISTORY OBSERVATION EXAMINATION GAIT ANALYSIS OBSERVATION POSTURE GAIT CROUCH JUMP PHYSICAL EXAMINATION HIP FLEXION DEFORMITY THOMAS TEST Modified Thomas test MODIFIED THOMAS TEST STAHILI TEST DUNCAN-ELY TEST PHYSICAL EXAM. ADDUCTION DEFROMITY PHELPS TEST KNEE EXAMINATION KNEE FLEXION DEFORMITY LACK OF FULL EXTENSION ON INITIAL CONTACT,STANCE AND INITIAL SWING PHASE POPLITEAL ANGLE SLRT TEST FOR RECTUS TIGHTNESS KNEE EXTENSION DEFORMITY PHYSICAL EXAMINATION (SILVERSKIÖLD) FOOT : EQUINUS DEFORMITY MOST OFTEN IN HEMIPLEGIA EQUINOVARUS DEFORMITY VARUS DEFROMITY TIBIALIS POSTERIOR HINDFOOT VARUS OR TIBIALIS ANTERIOR FOREFOOT SUPINATION, HINDFOOT VARUS (SWING PHASE) WEAK PERONEUS PES VALGUS DEFORMITY Peroneal hyperactivity TREATMENTS PRIORITY COMMUNICATION ADL MOBILITY WALKING SURGICAL TREATMENT SPASTIC TYPE AGE 4-8 YEAR IS PROPER YOUNGER HIGH RECURRENCE MATURE GAIT ~ 7 YEARS SEQUENTIAL V/S ALL AT THE SAME TIME Surgical treatment Hip flexion deformity Thomas test 30O Modified Thomas test 20O Surgical treatment Hip adduction deformity Passive abduction < 30O both in hip flexion & extension HIP AT RISK Quadriplegia, Nonambulator Age 2-6 yr. < 30O abduction in flex or ext. > 20O flexion contracture valgus and anteversion Shallow acetabulum AI > 40 Abnormal migration index FILM PELVIS EVERY 12 MO. FOR NONAMBULATOR ACETABULAR INDEX A B C AB/AC= MIGRATION INDEX (MI) > 1/3 = subluxation SURGICAL TREATMENT ON THE HIP ADDUCTOR LONGUS TENOTOMY ANT. HALF OF ADD. BREVIS GRACILLIS PSOAS TENOTOMY OR LENGTHENING preserve iliacus RECTUS FEMORIS LENGTHENING PROXIMAL HAMSTRINGS RELEASE MANAGEMENT OF HIP AT RISK AGE < 4 YR. SOFT TISSUE RELEASE(45O Abd in Ext,60O in Flex.) AGE 4-8 YR. MI 25-60%, ABDUCTION <30O ==>RELEASE MI > 60%, NOT IMPROVE IN 1 YR.==> OR+ CAPSULORRAPHY+ BONY RECONSTRUCTION AGE > 8 YR MI > 40% RELEASE & BONE RECONSTRUCTION Flynn JM. AAOS 10(3): 2002 Hip subluxation MI > 30 % Soft tissue release for very young MI > 50% open reduction + femoral osteotomy AI > 25O pelvic osteotomy Management of hip dislocation Observation Open reduction + osteotomy + soft tissue release Resection arthroplasty Arthrodesis Total hip replacement Neck shaft angle < 115O Anteversion10-20O (30-45O passive IR) SURGICAL TREATMENT ON THE KNEE SLRT < 60O, PA > 45O MEDIAL HAMSTRINGS RELEASE LATERAL HAMSTRINGS RELEASE RECTUS FEMORIS RELEASE RECTUS FEMORIS TRANSFER HAMSTRING RELEASE RECTUS FEMORIS TRANFER