Tibial tubercle osteotomy in revision total knee arthroplasty: A systematic review

Table 2 Surgery parameters

Ref.	TTO length (cm)	Fixation	Approach	Oscillating saw or osteotome
Barrack et al[17], 1998	10	Wires	Medial parapatellar	Saw
Bruni et al[19], 2013	8-10	Wires	Medial parapatellar	Both
Chalidis et al[2], 2009	10.6 (7.9-15.3)	Wires (n = 16)	Medial parapatellar	Both
		Screws (n = 9)
		Wires and screws (n = 59)
Choi et al[10], 2012 (1)	8	Wires (n = 49)	Medial parapatellar	Both
		Screws (n = 2)
Choi et al[11], 2012 (2)	8	Wires (n = 25)	Medial parapatellar	Both
		Screws (n = 1)
Chun et al[18], 2019	10	Screws	Medial parapatellar	Both
Hocking et al[1], 2007	5-8	Wires	Medial parapatellar	Both
Le Moulec et al[12], 2014	7.7 ± 1.6	Wires	Medial parapatellar	Both
Mendes et al[4], 2004	8-10	Wires (n = 66)	Midvastus (n = 40)	Saw
		Wires and screw (n = 1)	Medial parapatellar (n = 19)
			Subvastus (n = 40)
			Not noted (n = 4)
Punwar et al[6], 2016	7	Screws	Medial parapatellar	Both
Segur et al[13], 2014	10	Wires (n = 25)	Medial parapatellar	Saw
		Nonabsorbable sutures (n = 1)
Sun et al[3], 2014	6-8	Screws	Medial parapatellar	Saw
van den Broek et al[14], 2006	6-8	Screws (n = 36)	Medial parapatellar	Both
		Wires (n = 1)
Vandeputte et al[16], 2017	6-8	Wires or screws	Medial parapatellar	Saw
Zonnenberg et al[15], 2014	4-8	Absorbable sutures	Medial parapatellar	Osteotome