Principles of Valgus Intertrochanteric Osteotomy (VITO) after Femoral Neck Nonunion

Table 1

Results of VITO.

Authors	Study Type	Treatment	Union Rate	Complications
Min et al. [27]	Retrospective Review 11 pts.	ABP and Valgus Osteotomy (VO)	9/11	2/11 AVN, requiring THA
Marti et al. [28]	Retrospective Review 50 pts.	ABP and VO	43/50	7/50 AVN requiring THA; 6/50 required re-operation
Kumar et al. [29]	Retrospective Review 50 pts.	ABP and VO	45/50	1/50 nonunion requiring THA; 2/50 revision osteotomy; 2/50 refused revision
Magu et al. [30]	Retrospective Review 48 pts.	ABP and VO	44/48	2/48 revision osteotomy; 2/48 AVN
Gupta et al. [31]	Retrospective Review 60 pts.	ABP and VO	56/60	2/60 revision osteotomy; 2/60 AVN
Said et al. [32]	Retrospective Review 36 pts.	ABP and VO	35/36	1/36 requiring THA Nonunion
Magu et al. [33]	Retrospective Review 39 pts.	ABP/SHS and VO	44/48	4/48 nonunion
Varghese et al. [34]	Retrospective Review 32 pts.	ABP and VO	29/32	3/32 nonunion