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Simultaneous treatment for patellar instability and genu valgum in skeletally immature patients

a preliminary study

Parikh, Shital N.a; Redman, Christophera; Gopinathan, Nirmal R.b

Journal of Pediatric Orthopaedics B: March 2019 - Volume 28 - Issue 2 - p 132–138
doi: 10.1097/BPB.0000000000000546

Genu valgum is a risk factor for patellar instability. The study purpose was to report on preliminary results of medial patellofemoral ligament (MPFL) reconstruction and simultaneous growth modulation, in patients with patellar instability and genu valgum. A total of seven patients (eight knees) with MPFL reconstruction and medial transphyseal screw insertion for genu valgum correction were assessed using full-length radiographs. Genu valgum corrected from 13.1° to 3.7° at mean 11.7 months, without compromising patellar stability. One patient each had 6° overcorrection and 5° rebound valgus. Guided growth using transphyseal screw during MPFL reconstruction could achieve deformity correction without interference with MPFL graft placement.

aDivision of Orthopaedic Surgery, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA

bDepartment of Orthopedics, PGIMER, Chandigarh, India

Correspondence to Shital N. Parikh, MD, Cincinnati Children’s Hospital Medical Center, 3333 Burnet Ave, MLC 2017, Cincinnati, OH 45229-3026, USA Tel: +1 513 803 5248; fax: +1 513 636 3928; e-mail:

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