Table 1

Characteristics of studies included in this meta-analysis
Study National Study design Operative interventions Non-operative interventions Duration
Nikku et al. 1997, 2005 [23,24]; Japan RCT MR or MPFL augmentation, or LR. 3 weeks immobilization in cast or orthosis then thigh muscle exercises 7.2y
Palmu et al. 2008 [25]; Finland RCT MPFL repair and in 32 cases, LR. 3 weeks immobilization in cast or orthosis then thigh muscle exercises. 14y
Christiansen et al. 2008 [26]; Denmark RCT MPFL repair 0–2 weeks orthosis immobilization 0–20° motion. Quadriceps exercises and general physiotherapy 2y
Sillanpää et al. 2008 [8]; Finland RCT MR and MPFL repair; R-G procedure; arthroscopic repair of osteochondral fracture 3 weeks orthosis immobilization 0–30° motion. Week 3–6 weeks, 0–90° full motion at 6 weeks. Quadriceps exercises commence immediately 7y
Camanho et al. 2008 [2]; Brazil RCT MPFL repair 3 weeks immobilization then physiotherapy with VMO exercises Op-3.4; N-Op 3.0
Bitar et al. 2012 [9]; Brazil RCT MPFL reconstruction using patellar tendon 3 weeks immobilization then physiotherapy with quadriceps exercises 2y
Petri et al. 2012 [7]; Germany RCT repair the tear, or lateral release 3 weeks orthosis immobilization 0–30° motion with partial weight-bearing. Week 3–6 weeks, 0–90° motion with progression to pain-adapted full weight-bearing. 2y

MR: Medial retinaculum; MPFL: Medial patellofemoral ligament; LR: Lateral release; Op: Operative; R-G: Roux–Goldthwaite procedure; RCT: Randomized controlled trial; N-op: Non-operative; VMO: Vastus medialis oblique.

Cheng et al.

Cheng et al. Diagnostic Pathology 2014 9:60   doi:10.1186/1746-1596-9-60

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