In contrast to the current literature, myofibroblasts are not present in chronic posttraumatic elbow contractures. However, myofibroblasts are present in the acute phase after an elbow fracture and/or dislocation. This suggests a physiological role in normal capsule healing and a potential role in the early phase of posttraumatic contracture formation. Elbow stiffness is a common complication after elbow trauma. The elbow capsule is often thickened, fibrotic and contracted upon surgical release. The limited studies available suggest that the capsule is contracted because of fibroblast to myofibroblast differentiation. However, the timeline is controversial and data on human capsules are scarce. We hypothesise that myofibroblasts are absent in normal capsules and early after acute trauma and elevated in patients with posttraumatic elbow contracture.Summary
Introduction
Quantification of Three-Dimensional Computed Tomography (Q3DCT) is a reliable and reproducible technique to quantify and characterise ankle fractures with a posterior malleolar fragment ( Fixation of posterior malleolar fractures of the ankle is subject of ongoing debate1. Fracture fixation is recommended for fragments involving 25–30% of articular surface1. However, these measurements -and this recommendation- are based on plain lateral radiographs only. A reliable and reproducible method for measurements of fragment size and articular involvement of posterior malleolar fractures has not been described. The aim of this study is to assess the inter-observer reliability of Quantification using Three-Dimensional Computed Tomography (Q3DCT) –modelling2,3,4,5 for fragment size and articular involvement of posterior malleolar fractures. We hypothesize that Q3DCT-modelling for posterior malleolar fractures has good to excellent reliability.Summary
Introduction
Biomechanical studies comparing fixation constructs are predictable and do not relate to the significant clinical problems. We believe there is a need for more careful use of resources in the lab and better collaboration with surgeons to enhance clinical relevance. It is our impression that many biomechanical studies invest substantial resources studying the obvious: that open reduction and internal fixation with more and larger metal is stronger. Studies that investigate “which construct is the strongest?” are distracted from the more clinically important question of “how strong is strong enough?”. The aim of this study is to show that specific biomechanical questions do not require formal testing. This study tested our hypothesis that the outcome of a subset of peer reviewed biomechanical studies comparing fracture fixation constructs can be predicted based on common sense with great accuracy and good interobserver reliability.Summary
Introduction
