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Papers of the Week

2022 Jan 01

J Pediatr Orthop



Interobserver and Intraobserver Reliability in the Salter Classification of Avascular Necrosis of the Femoral Head in Developmental Dysplasia of the Hip.


Schaeffer EK, Ponton E, Sankar WN, Kim HKW, Kelley SP, Cundy PJ, Price CT, Clarke N M, Wedge JH, Mulpuri K
J Pediatr Orthop. 2022 Jan 01; 42(1):e59-e64.
PMID: 34889834.


Avascular necrosis (AVN) of the femoral head is a concerning complication that can result from treatments for developmental dysplasia of the hip (DDH). AVN can lead to degenerative osteoarthritis, persistent acetabular dysplasia, reduced function, and continuing hip pain. The incidence of AVN reported in the DDH literature is widely varied (0% to 73%). This variability may arise from lack of consensus on what constitutes true AVN in this patient population, and lack of clear criteria provided in studies reporting incidence rates.