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The Hip in the Spastic Child: Orthopaedic Perspective
Jim Sanders, MDProfessor of Orthopaedics and Pediatrics
University of Rochester and Golisano Children’s Hospital
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GMFCS• Hip problems are
closely related to GMFCS status.
• The GMFCS is the most reproducible and useful CP classification.
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The hip in ambulatory patients – typically GMFCS 1-3
• Scissoring – adductor tightness
• Pseudoscissoring– knee flexion/femoral
anteversion
Videos removed
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Femoral Anteversion
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Nonambulatory CP hip • Pain common in more
responsive patients as they age.
• Some minimally responsive children become painful.
• Most orthopedistsrecommend surgery on subluxated or dislocated hips in young children but wait for symptoms in older patients.
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Hip Screening• Several Protocols Exist• Criteria based on GMFCS,
Age, Migration Index• Winter pattern in
hemipligia
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American Academy for Cerebral Palsy and Developmental Medicine
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Natural History• Long term follow-up of dislocated hips
show pain in more intelligent patients.• But, minimally responsive children
MAY become painful.• Early treatment is more predictable
than late treatment.• Recurrence more common with higher
GMFCS• Most orthopedists recommend surgery
on subluxated or dislocated hips in young children but wait for symptoms in older patients.
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Hip procedures – Traditional Approach• Young children (3 or less):
– Adductors– Adductors, psoas and hamstrings
• Child (3-5yrs)– Varus derotational osteotomies
• Older child (6 yrs-closed TRC)– Add pelvic procedure
• Salvage– Girdlestone, inteposition arthroplasty, valgus osteotomy,
THA or hemiarthroplasty
• More recent evidence – Do Everything Early
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Technique
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After adductor lengthening:
Most spastic hip will not require an open reduction after the shortening
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If the hip reduces well, a 90 degree plate with the hip reduced and placing the guide
pin parallel to TRCs is simple
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Dega – Aluminum retractors are helpful
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Is it really the hip that hurts?
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Salvage Options
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Hip Salvage• Be sure it is the hip that hurts• Take your choice on procedures (except
fusion)• Heterotopic bone can be a problem with
resection.• If you resect, do it BIG!
– Castle not Girldlestone
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Summary• In ambulatory children, make sure scissoring is from the adductors
and not rotation.• GMFCS 4, 5, and Winter 4 are at highest risk of subluxation or
dislocation and pain.• Use screening protocols.• If you operate, be more rather than less aggressive – you can help.• Reoccurrence happens – especially with GMFCS 5.• All salvage procedures have complications.