“…Six studies (273 hips) reported on fixation in situ using multiple smooth pins [ 35 , 42 , 44 , 45 , 47 , 56 ] (Table 7 ). Seventeen studies (615 hips) reported on primary corrective subcapital femoral osteotomy [ 3 , 30 , 33 , 35 , 41 , 56 – 66 , 70 ] (Table 8 ). Seven studies (95 hips) reported on safe surgical dislocation using the Ganz technique [ 43 , 51 , 52 , 67 – 70 ] (Table 9 ).…”