New treatment of patellar instability after total knee arthroplasty: A case report and review of literature

Table 1 Published literature describing treatment for patellar instability after total knee arthroplasty

Ref.	Year	Case	Surgical technique	Follow-up	Outcome	Complication
Nakajima et al[8]	2010	1	Elmslie-Trillat procedure with lateral release	12 mo	Good	None
van Gennip et al[2]	2012	9	7 MPFL reconstruction with lateral release, 2 MPFL reconstruction with lateral release and tibial tuberosity transfer	Mean 33 mo	Generally good	One report of subluxation
Goto et al[21]	2014	1	MPFL reconstruction and lateral release	12 mo	Good	None
Lamotte et al[19]	2016	6	5 MPFL reconstruction with additional procedure, 1 TKA revision	Mean 23 mo	Good	None
Current study	2019	1	Partial LPF with lateral retinaculum release	12 mo	Good	None

LPF: Lateral patella facetectomy; MPFL: Medial patellofemoral ligament; TKA: Total knee arthroplasty.