Treatment of stable slipped capital femoral epiphysis: systematic review and exploratory patient level analysis

Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 9 Studies of Ganz surgical dislocation in stable slips

Study	Patients	Hips	AVN	CL	FAI	OA	Patient satisfaction^a	Other complications	Notes
Bali [67]	8	8	0	0	NR	NR	NR	2 non-unions requiring valgus intertrochanteric osteotomies	HHS: 92.5
Dan Cosma [43]	6	6	0	0	1	NR	6 excellent and good		One unstable slip excluded 10 pinned in situ HHC
Madan [68]	11	11	0	1	NR	NR	NR		17 unstable hips were excluded (4 AVN) 0 acute, 0 acute-on-chronic, 11 chronic 3 had previous operations HHS (90.3) NAHS(91.0)
Masse [69]	18	18	0	0		0	18 excellent 0 good 0 fair 0 poor 0 failure	1 metalware problem	2 unstable hips excluded (no AVN) 2 mild, 4 moderate, 12 severe HHS (98.2)
Novais [51]	15	15	1	NR	NR	NR	7 excellent 2 good 0 fair 5 poor 1 failure	2 metalware problems	HHC
Souder [52]	NR	10	2	1	NR	NR	NR	1 metalware problem	From a total of 17 hips, 7 were unstable, 2 of these unstable hips went into AVN
Ziebarth [70]	27	27	0	0	1		27 excellent 0 good 0 fair 0 poor 0 failure		25 patients from series A and 2 from series B 5 unstable/uncertain hips excluded 0 mild, 15 moderate, 12 severe HHS (96.5)
Total	NR	95	3	2			52 (87%) excellent 2 (3%) good 0 (0%) fair 5 (8%) poor 1 (2%) failure		AVN rate 3.1% (3/95) CL rate 2.5% (2/80) FAI rate 6.1% (2/33) OA rate 0% (0/18)

AVN femoral head osteonecrosis, CL chondrolysis, NR not reported or suboptimum reporting to provide useful information, HHS Harris hip score or modified Harris hip score; excellent 90–100 points; good 80–89 points; fair 70–79 points; and poor <70 points. HHC Heyman and Herndon classification, NAHS non arthritic hip scores, FAI femora-acetabular impingement, OA osteoarthritis
^a Satisfactory patients result based on closely related ratings such as Heyman and Herndon classification, Harris hip score or Iowa hip scores