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Anatomic stabilization techniques provide superior results in terms of functional outcome in patients suffering from chronic ankle instability compared to non-anatomic techniques

Purpose To determine the best surgical treatment for chronic ankle instability (CAI) a systematic review was performed to compare the functional outcomes between various surgical stabilization methods. Methods A systematic search was performed from 1950 up to April 2016 using PubMed, EMBASE, Medline and the Cochrane Library. Inclusion criteria were a minimum age of 18 years...

Predicted osteotomy planes are accurate when using patient-specific instrumentation for total knee arthroplasty in cadavers: a descriptive analysis

Purpose Malalignment of implants is a major source of failure during total knee arthroplasty. To achieve more accurate 3D planning and execution of the osteotomy cuts during surgery, the Signature (Biomet, Warsaw) patient-specific instrumentation (PSI) was used to produce pin guides for the positioning of the osteotomy blocks by means of computer-aided manufacture based on CT...

Computer-assisted oblique single-cut rotation osteotomy to reduce a multidirectional tibia deformity: case report

The correction of multiplanar deformity is challenging. We describe preoperative 3-D planning and treatment of a complex tibia malunion using an oblique single-cut rotation osteotomy to correct deformity parameters in the sagittal, coronal and transverse plane. At 5 years postoperatively, the patient ambulates without pain with a well-aligned leg.

Computed tomography analysis of osteochondral defects of the talus after arthroscopic debridement and microfracture

Purpose The primary surgical treatment of osteochondral defects (OCD) of the talus is arthroscopic debridement and microfracture. Healing of the subchondral bone is important because it affects cartilage repair and thus plays a role in pathogenesis of osteoarthritis. The purpose of this study was to evaluate the dimensional changes and bony healing of talar OCDs after...

Computer-assisted and patient-specific 3-D planning and evaluation of a single-cut rotational osteotomy for complex long-bone deformities

Malunion after long bone fracture results in an incorrect position of the distal bone segment. This misalignment may lead to reduced function of the limb, early osteoarthritis and chronic pain. An established treatment option is a corrective osteotomy. For complex malunions, a single-cut rotational osteotomy is sometimes preferred in cases of angular deformity in three dimensions...

The influence of foot geometry on the calcaneal osteotomy angle based on two-dimensional static force analyses

, Delft University of Technology , Delft, The Netherlands 1 M. L. Reilingh (&) G. J. M. Tuijthof C. N. van Dijk L. Blankevoort Department of Orthopaedic Surgery, Academic Medical Center, Orthopaedic

Performance of arthroscopic irrigation systems assessed with automatic blood detection

. Tuijthof (&) M. M. de Vaal I. N. Sierevelt L. Blankevoort Orthopedic Research Center Amsterdam, Department of Orthopedic Surgery, Academic Medical Center , Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands

Clinical evaluation of a dynamic test for lateral ankle ligament laxity

The dynamic anterior ankle tester (DAAT) has shown a good reliability in testing anterior talar translation in earlier studies. The goal of the present study was first to evaluate the reliability of the DAAT in a clinical setting and second to analyze its ability to detect increased ligament laxity. In 39 patients with unilateral chronic lateral ankle instability, the anterior...

Difference in balance measures between patients with chronic ankle instability and patients after an acute ankle inversion trauma

Amsterdam, The Netherlands 1 J. S. de Vries (&) L. Blankevoort C. N. van Dijk Department of Orthopaedic Surgery , G4-222, Academic Medical Center, Orthopaedic Research Center Amsterdam , P.O. Box 22660, 1100