COXA VARA Flashcards
DEFINE
REDUCED ANGLE BETWEEN SHAFT OF FEMUR AND NECK OF FEMUR ( LESS THAN 120 DEGREE )
NORMAL ANGLE
ADULT 125 DEGREE
CHILDREN 160 DEGREE
TYPES
1.INFANTILE
2.ACQUIRED
SCFE
SEQUELAE OF AVASCULAR NECROSIS - PERTHES DISEASE,
POST REDUCTION CDH, FEMORAL NECK FRACTURE
BONE DISORDER- RICKETS , OSTEOGENESIS IMPERFECTA
CLINICAL FEATURES
PAINLESS LUMP IN CHILD WHO HAS JUST STARTED WALKING
SHORTENING
LIMITATION OF ABDUCTION AND INTERNAL ROTATION
X RAY
FAIR BANKS TRIANGLE
INCREASED HILGENREINER EPIPHYSEAL ANGLE < 30 DEGREE
DECREASED NECK SHAFT ANGLE ( VARUS)
VERTICAL EPIPHYSEAL PLATE
TREATMENT
TREATMENT OF CONGENITAL CASES -
DEPENDS ON HILGENREINER ANGLE
IF ANGLE BETWEEN 40 DEGREE TO 6O DEGREE = OBSERVATION FOR PROGRESSION
IF ANGLE GREATER THAN 60 DEGREE = VALGUS OSTEOTOMY
TREATMENT OF ACQUIRED CASES -
MANAGEMENT OF CAUSATIVE FACTOR
CORRECTIVE OSTEOTOMY