Publications by authors named "Jan Sys"

2 Publications

  • Page 1 of 1

The importance of adequate diagnosis of pediatric forearm bowing fractures: A case report.

Trauma Case Rep 2021 Aug 1;34:100508. Epub 2021 Jul 1.

AZ St-Blasius Dendermonde, Department of Orthopaedic Surgery and Traumatology, Kroonveldlaan 50, 9200 Dendermonde, Belgium.

Introduction: Correct diagnosis of pediatric bowing fractures has proven to be challenging. Consequently, these entities are often underdiagnosed both at the initial presentation and at further follow-up. We present a case of an ulnar fracture with subsequent non-union and initially missed associated plastic deformity of the radius to highlight the importance of adequate diagnosis of bowing fractures and obtaining appropriate imaging in pediatric forearm trauma to prevent sequelae.

Case Presentation: A 13-year old male sustained a diaphyseal fracture of the left ulna after a fall on the outstretched hand which was treated conservatively. A non-impact incident (push up on outstretched arm) 4.5 months after the initial trauma caused an ulnar fracture at the same location and was initially considered a simple refracture. Operative treatment was decided on due to significant clinical forearm valgus alignment. Intraoperatively however, a mobile non-union of the ulna was found and anatomic reduction was not possible due to radial bowing. Exploration of the radius showed a clear malalignment with periosteal callus reaction, indicative of a mal-union of the radial bone as a result of the initial injury. To correctly restore alignment, a closing wedge osteotomy of the radius was necessitated followed by plate and screw fixation of both the radius and the ulna.

Conclusion: In this patient, failure of recognizing the associated plastic deformity of the radius during the initial presentation led to radial malunion and non-union of the ulna. As a result of this complication, an osteotomy was necessary which probably could have been prevented if an adequate initial diagnosis had been made.
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August 2021

Treatment of acute spondylolysis in elite athletes. Literature review and presentation of a new percutaneous grafting technique.

Acta Orthop Belg 2018 Sep;84(3):359-365

The initial treatment of acute spondylolysis in young elite athletes is conservative. Excellent clinical results are seen when there is osseous healing of the defect. When there is no osseous healing, repetitive and maximal loading of the lumbar spine often remain painful. Osseous healing is more likely when lesions are diagnosed and treated early. When no signs of healing are present at computed tomography (CT-scan) after 4 months of conservative treatment and when pain persists, percutaneous surgical treatment can be considered in elite athletes. We present a new percutaneous bone grafting technique for young elite athletes with acute spondylolysis. Osseous healing was achieved and the patient was able to resume competitive sport activities within 6 months after surgery. This technique can improve fracture biology without muscle damage and without affecting the normal mobility of the spine, eventually leading to osseous healing.
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September 2018