Research recommendation(s) from an individual piece of guidance Guidance: Open reduction of slipped capital femoral epiphysis Date issued: 23 January 2015 Research recommendations coming out of this guidance Further research into open reduction of slipped capital femoral epiphysis should clearly describe details of clinical presentation (for example, Loder classification), the degree of slip, its stability, and the surgical technique used; including whether surgical dislocation of the hip was done. Outcomes from 2 years onwards should include degree of correction, occurrence of avascular necrosis and need for subsequent hip surgery (and its timing).