Background: Distal radius fracture (DRF) is one of the most common fractures and, frequently, surgical treatment is mandatory in the presence of an intra-articular fracture. However, there are some unusual intra-articular fracture patterns, were it remains challenging to properly recognize and anatomically reconstruct the articular surface. The objective of the present study is to describe an intra-articular fracture pattern of the distal radius characterized by the presence of osteochondral laminar fragments, which could potentially require a different treatment to standard stabilization. We aim to answer the following questions: (1) What are the radiological characteristics of intra-articular DRFs with osteochondral laminar fragments (OCLF), (2) What is the prevalence of DRFs with OCLF relative to all intra-articular surgical DRFs, (3) What are the differences in epidemiological characteristics of patients with OCLF in relation to all patients with intra-articular DRFs, (4) What is the prevalence of intra-articular DRFs with OCLF in patients belonging to a closed community.
Patients And Methods: We reviewed radiological and tomographic records of all adult patients operated on distal radius fractures at our institution. We analyzed tomographic characteristics; prevalence of osteochondral laminar fragments relative to all intra-articular surgical distal radius fractures and compared clinical and demographic characteristics of patients with osteochondral laminar fragments in relation to all patients with intra-articular fractures.
Results: Two main groups according to the fracture pattern were described: group I, volar rim impacted OCLF (vOCLF); and group II, central impacted OCLF (cOCLF). Prevalence of OCLF relative to surgical intra-articular DRFs: 42/989 (4.2%); group I: 23/989 (2.32%); group II: 19/989 (1.92%). Characteristics of patients with OCLF compared to all patients with intra-articular DRFs: Significant differences were found in the five variables evaluated (age, less than 65 years, female, high energy fracture, and associated fractures). The global prevalence of DRFs with OCLF in patients affiliated with the medical care insurance system of our institution was 2 per 10,000 individuals (95% CI 1.4 to 2.9).
Discussion: Global prevalence of these fragments relative to surgical intra-articular fractures was very low. However, despite being epidemiologically rare, it is important to identify these specific fracture patterns because their treatment can be challenging.
Level Of Evidence: IV (Observational/Descriptive); Cross sectional study.
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http://dx.doi.org/10.1016/j.otsr.2022.103321 | DOI Listing |
Int J Mol Sci
October 2024
School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK.
Many tissues have a laminar structure, but there are limited technologies for establishing laminar co-cultures for in vitro testing. Here, we demonstrate that collagen-alginate-fibrin (CAF) hydrogel scaffolds produced using the reactive jet impingement bioprinting technique can produce osteochondral laminar co-cultures with well-defined interfaces between cell types and high cell densities to support cell-cell interaction across the interfaces. The influence of cell density and the presence of the two cell types on the production of extracellular matrix (ECM) and the emergent mechanical properties of gels is investigated using IHC, ELISA, gel mass, and the compression modulus.
View Article and Find Full Text PDFOrthop Traumatol Surg Res
November 2022
"Carlos E. Ottolenghi" Institute, Service of Orthopedics and Traumatology, Hospital Italiano de Buenos Aires, Potosi 4247 C1199ABB, Buenos Aires, Argentina; Hand Surgery and Upper Extremity Center, Carlos E. Ottolenghi Institute, Service of Orthopedics and Traumatology, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina.
Background: Distal radius fracture (DRF) is one of the most common fractures and, frequently, surgical treatment is mandatory in the presence of an intra-articular fracture. However, there are some unusual intra-articular fracture patterns, were it remains challenging to properly recognize and anatomically reconstruct the articular surface. The objective of the present study is to describe an intra-articular fracture pattern of the distal radius characterized by the presence of osteochondral laminar fragments, which could potentially require a different treatment to standard stabilization.
View Article and Find Full Text PDFAJR Am J Roentgenol
July 2015
3 Department of Orthopedics, Cincinnati Children's Hospital Medical Center, University of Cincinnati, Cincinnati, OH.
Objective: The objective of our study was to correlate specimens of juvenile osteochondritis dissecans (OCD) lesions of the knee to MRI examinations to elucidate the histopathologic basis of characteristic imaging features.
Materials And Methods: Five children (three boys and two girls; age range, 12-13 years old) who underwent transarticular biopsy of juvenile OCD lesions of the knee were retrospectively included in this study. Two radiologists reviewed the MRI examinations and a pathologist reviewed the histopathologic specimens and recorded characteristic features.
Bone Joint J
March 2015
Ghent University, De Pintelaan 185, 9000, Gent, Belgium.
The treatment of osteochondral lesions is of great interest to orthopaedic surgeons because most lesions do not heal spontaneously. We present the short-term clinical outcome and MRI findings of a cell-free scaffold used for the treatment of these lesions in the knee. A total of 38 patients were prospectively evaluated clinically for two years following treatment with an osteochondral nanostructured biomimetic scaffold.
View Article and Find Full Text PDFMagn Reson Med
July 2015
Department of Diagnostic Radiology, University of Oulu, Oulu, Finland.
Purpose: To evaluate the sensitivity of quantitative MRI techniques (T , T , T , continous wave (CW) T dispersion, adiabatic T , adiabatic T , RAFF and inversion-prepared magnetization transfer (MT)) for assessment of human articular cartilage with varying degrees of natural degeneration.
Methods: Osteochondral samples (n = 14) were obtained from the tibial plateaus of patients undergoing total knee replacement. MRI of the specimens was performed at 9.
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