Biomechanical evaluation of autologous bone-cage in posterior lumbar interbody fusion: a finite element analysis

Table 5 Intradiscal pressure at adjacent levels (MPa)

		PEEK cage	Titanium cage	Autologous bone cage	Intact
Axial Load 400 N	L3/4	0.61	0.61	0.62	0.47
Axial Load 400 N	L5/S	0.84	0.84	0.66	0.64
FX	L3/4	1.39	1.39	1.37	0.68
FX	L5/S	2.09	2.09	2.04	1.28
EX	L3/4	1.06	1.06	1.05	0.53
EX	L5/S	2.21	2.21	2.01	0.69
LB	L3/4	0.80	0.80	0.80	0.40
LB	L5/S	1.10	1.10	1.10	0.71
LR	L3/4	0.61	0.61	0.66	0.71
LR	L5/S	1.15	1.15	1.14	1.18

ISSN: 1471-2474