Mechanical ortho problems Flashcards
another name for legg-calve-perthes disease
Perthes disease
define perthes disease
unkown aeitiology
involves necrosis of part of the femoral captial epiphysis
(avascular necrosis of femoral head)
who gets perthes disease
4-8yo boys
what does necrosis of the femoral captial epiphysis in perthes disease lead to
growth distrubance in the physeal and articular cartilage which can lead to deformity of teh femoral head and degenerative joint disease
presentaiton of perthes disaease 3
groin (knee) pain
limp
reduction in hip abduction and internal roation
what does radiology in perthes disease show 2
asymmetry of the femoral capital ossific nucleus
-white affectes side smaller or in more advanced cases gramenteds
treatment for perthes disease 2
rest
possible casts or surgery
definition of slipped upper femoral epiphysis
occurs early adolescence
-may relate to rapid gorwth and obesity
presentation of slipped upper femoral epiphysis 3
insidious onset of hip pain (often referred to knee)
limp
affected limb externally rotated
-foot points out when walking and often shortened
what is slipped upper femoral epiphysis associated with other than rapid growth and obesity 4
hypothyroidism
chronic renal failure
previous raidotherapy
growth hormone therapy
diagnoiss and treatment of slipped upper femoral epiphysis
made by plain radiograph-including frog leg projection
-treatment usually in-situ pinning
what does developmental dysplasia of the hip (DDH) include 3
neonatal hip instability
acetabular dysplasia ± subluxation
and
frank dislocation of the hip joint
what is the natural history of hip joint subluxation 1
arthritis of hip in early adulthood
risk factors for developmental dysplasia of the hip 4
family hsiotry in first degree relative
female sex
breech presentaiton
foot deformity
when are babies assessed for developmental dysplasia of the hip 2
at birth and at 6 weeks
