Pericollapse Stage of Osteonecrosis of the Femoral Head: A Last Chance for Joint Preservation

Zhang, Qing-Yu; Li, Zi-Rong; Gao, Fu-Qiang; Sun, Wei

There are no conflicts of interest. [74] Phemister technique 56 38.6 NR (3.0-6.5) Conversion into THA or onset/progression of collapse or progressive osteoarthritis Level III Steinberg et al. [60] Phemister technique 312 NR NR (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) Conversion to THA Level IV Zhang et al. [56] Phemister technique 85 31.4 NR (2-NR) Disease progression Wei and Ge [75] Phemister technique 223 33.5 2.0 (0.6-3.5) A Harris hip score of <80 Wang et al. [76] Light bulb technique 138 32.4 2.1 (0.6-3.5) A Harris hip score of <80 Zuo et al. [61] Light bulb technique 119 NR 2.8 (0.3-5.4) Conversion into THA or onset/progression of collapse or progressive osteoarthritis or a Harris hip score of <70 VBG Level III Feng et al. [67] Vascularized fibular grafting 60 37 2.2 (2.0-3.2) A Harris hip score of <80 Yen et al. [66] Vascularized fibular grafting 39 40 NR (3-NR) Disease progression Vascularized iliac grafting 22 38 NR (4-NR) Disease progression Level IV Ding et al. [64] Vascularized fibular grafting 78 27.8 5.6 (2-NR) Disease progression Aoyama et al. [65] Vascularized iliac grafting 9 31.7 2 Disease progression Zeng et al. [68] Vascularized iliac grafting and greater trochanteric flap Yin et al. [70] Vascularized fibular grafting 14 34 3.3 (1.5-4.2) Conversion into THA or a Harris hip score of <70 Chen et al. [73] Vascularized iliac grafting 33 37 5.8 (0.7-13.8) Conversion into THA Dailiana et al. [72] Vascularized [65] NR NR 5 100.00% 4 50% Zeng et al. [68] 16 100.00% 22 90.90% 26 76.92% Yin et al. [70] 3 100.00% 9 89.00% 2 50.00% Chen et al. [73] NR NR 26 30.77% 7 0.00% Dailiana et al. [