Research Topics
Species | Stefan MarlovitsSummaryAffiliation: Medical University of Vienna Country: Austria Publications
| Collaborators
|
Detail Information
Publications
Clinical and radiological outcomes 5 years after matrix-induced autologous chondrocyte implantation in patients with symptomatic, traumatic chondral defectsStefan Marlovits
Medical University of Vienna, Department of Traumatology, Waehringer Guertel 18 20, Vienna, A 1090 Austria
Am J Sports Med 40:2273-80. 2012..To date, few studies have been published reporting the 5-year follow-up of clinical and radiological outcomes for chondral defects treated with matrix-induced autologous chondrocyte implantation (MACI)...
Magnetic resonance observation of cartilage repair tissue (MOCART) for the evaluation of autologous chondrocyte transplantation: determination of interobserver variability and correlation to clinical outcome after 2 yearsStefan Marlovits
Department of Traumatology, Center for Joint and Cartilage, Medical University of Vienna, Waehringer, Austria
Eur J Radiol 57:16-23. 2006..High resolution MRI and well-defined MRI variables are a reliable, reproducible and accurate tool for assessing cartilage repair tissue...
Magnetic resonance imaging for diagnosis and assessment of cartilage defect repairsStefan Marlovits
Department of Traumatology, Medical University of Vienna, Waehringer Guertel 18 20, Vienna, Austria
Injury 39:S13-25. 2008..These techniques enable the diagnosis of early cartilage degeneration and help to monitor the effect and outcome of various surgical and non-surgical cartilage repair therapies...
Extended-duration thromboprophylaxis with enoxaparin after arthroscopic surgery of the anterior cruciate ligament: a prospective, randomized, placebo-controlled studyStefan Marlovits
Department of Traumatology, General Hospital, Medical University of Vienna, Vienna, Austria
Arthroscopy 23:696-702. 2007....
[Biomaterial for autologous chondrocyte transplantation]S Marlovits
Universitätsklinik für Unfallchirurgie, Medizinische Universitat, Wahringer Gurtel 18 20, A 1090, Wien, Osterreich
Orthopade 38:1045-52. 2009..The biomaterials used preserve the specific cellular architecture of chondrocytes and the combination of cultivated cells with biomaterials leads to the formation of cartilage-specific extracellular matrix components...
Cartilage repair: generations of autologous chondrocyte transplantationStefan Marlovits
Department of Traumatology, Center for Joint and Cartilage, Medical University of Vienna, Austria
Eur J Radiol 57:24-31. 2006..These biomaterials secure the cells in the defect area and enhance their proliferation and differentiation...
Differentiating normal hyaline cartilage from post-surgical repair tissue using fast gradient echo imaging in delayed gadolinium-enhanced MRI (dGEMRIC) at 3 TeslaSiegfried Trattnig
MR Center High field MR, Department of Radiology, Medical University of Vienna, Lazarettgasse 14, A 1090 Vienna, Austria
Eur Radiol 18:1251-9. 2008..The new dGEMRIC technique based on dual flip angle excitation pulses showed higher GAG content in patients after MACT compared to MFX at the same postoperative interval and allowed reducing the data acquisition time to 4 min...
Changes in the endogenous BMP expression during redifferentiation of chondrocytes in 3D culturesChristian Albrecht
Department of Traumatology, Center for Joint and Cartilage, Medical University of Vienna, Vienna, Austria
Int J Mol Med 26:317-23. 2010..Our data indicate that a combination of BMP-2, -6 and -7 may be promising for this purpose...
MRI monitoring of cartilage repair in the knee: a reviewStephan E Domayer
MR Centre of Excellence, Department of Radiodiagnostics, Medical University of Vienna, Vienna, Austria
Semin Musculoskelet Radiol 12:302-17. 2008..Morphological evaluation methods are recommended for each of the respective techniques. Finally, an overview of T2 mapping and delayed gadolinium-enhanced MR imaging of cartilage in cartilage repair is provided...
Early postoperative adherence of matrix-induced autologous chondrocyte implantation for the treatment of full-thickness cartilage defects of the femoral condyleStefan Marlovits
Department of Traumatology, Medical University of Vienna, Waehringer Guertel 18 20, 1090 Vienna, Austria
Knee Surg Sports Traumatol Arthrosc 13:451-7. 2005..7 days after the implantation, as determined with high resolution MRI...
The influence of scaffold architecture on chondrocyte distribution and behavior in matrix-associated chondrocyte transplantation graftsSylvia Nuernberger
Department of Traumatology, Medical University of Vienna, Vienna 1090, Austria
Biomaterials 32:1032-40. 2011..They also support the differentiated stage of chondrocytes by preventing the fibroblast-like and polygonal cell shape, at least briefly...
Morphological and biochemical T2 evaluation of cartilage repair tissue based on a hybrid double echo at steady state (DESS-T2d) approachGoetz H Welsch
MR Center, Department of Radiology, Medical University of Vienna, Austria
J Magn Reson Imaging 34:895-903. 2011..To use a new approach which provides, based on the widely used three-dimensional double-echo steady-state (DESS) sequence, in addition to the morphological information, the generation of biochemical T2 maps in one hybrid sequence...
Scaffold-dependent differentiation of human articular chondrocytesWerner Schlegel
Medical University of Vienna, Department of Traumatology, Waehringer Guertel 18 20, A 1090 Vienna, Austria
Int J Mol Med 22:691-9. 2008..These facts indicate that the nature of the matrix is of great influence in the differentiation behaviour of dedifferentiated chondrocytes...
Three-dimensional delayed gadolinium-enhanced MRI of cartilage (dGEMRIC) for in vivo evaluation of reparative cartilage after matrix-associated autologous chondrocyte transplantation at 3.0T: Preliminary resultsSiegfried Trattnig
MR Center, Highfield MR, Department of Radiology, Medical University of Vienna, Vienna, Austria
J Magn Reson Imaging 26:974-82. 2007....
Cartilage T2 assessment at 3-T MR imaging: in vivo differentiation of normal hyaline cartilage from reparative tissue after two cartilage repair procedures--initial experienceGoetz H Welsch
MR Center, Department of Radiology, Medical University of Vienna, Lazarettgasse 14, A 1090 Vienna, Austria
Radiology 247:154-61. 2008..To prospectively compare cartilage T2 values after microfracture therapy (MFX) and matrix-associated autologous chondrocyte transplantation (MACT) repair procedures...
Effect of accelerated weightbearing after matrix-associated autologous chondrocyte implantation on the femoral condyle on radiographic and clinical outcome after 2 years: a prospective, randomized controlled pilot studyBarbara Wondrasch
Center for Joints and Cartilage, Department of Traumatology, Medical University of Vienna, Waehringer Guertel 18 20, Vienna, Austria
Am J Sports Med 37:88S-96S. 2009..There is no consensus about the optimal time for weightbearing activities after matrix-associated autologous chondrocyte implantation (MACI) of the femoral condyle...
Quantitative T2 mapping during follow-up after matrix-associated autologous chondrocyte transplantation (MACT): full-thickness and zonal evaluation to visualize the maturation of cartilage repair tissueGoetz H Welsch
MR Center, Department of Radiology, Medical University of Vienna, Lazarettgasse 14, 1090 Vienna, Austria
J Orthop Res 27:957-63. 2009..T2 mapping seems to be more sensitive in revealing changes in the repair tissue compared to morphological MRI. In vivo zonal T2 assessment may be sensitive enough to characterize the maturation of cartilage repair tissue...
Magnetization transfer contrast and T2 mapping in the evaluation of cartilage repair tissue with 3T MRIGoetz H Welsch
MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
J Magn Reson Imaging 28:979-86. 2008....
Evaluation of cartilage repair tissue after matrix-associated autologous chondrocyte transplantation using a hyaluronic-based or a collagen-based scaffold with morphological MOCART scoring and biochemical T2 mapping: preliminary resultsGoetz Hannes Welsch
MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
Am J Sports Med 38:934-42. 2010..In cartilage repair, bioregenerative approaches using tissue engineering techniques have tried to achieve a close resemblance to hyaline cartilage, which might be visualized using advanced magnetic resonance imaging...
Three-dimensional magnetic resonance observation of cartilage repair tissue (MOCART) score assessed with an isotropic three-dimensional true fast imaging with steady-state precession sequence at 3.0 TeslaGoetz H Welsch
Department of Radiology, MR Center, Medical University of Vienna, Vienna, Austria
Invest Radiol 44:603-12. 2009....
Diffusion-weighted imaging for the follow-up of patients after matrix-associated autologous chondrocyte transplantationKlaus M Friedrich
Medical University Vienna, Department of Radiology, MR Center of Excellence, Vienna, Austria
Eur J Radiol 73:622-8. 2010..To evaluate the use of diffusion-weighted imaging (DWI) for the assessment of cartilage maturation in patients after matrix-associated autologous chondrocyte transplantation (MACT)...
Initial results of in vivo high-resolution morphological and biochemical cartilage imaging of patients after matrix-associated autologous chondrocyte transplantation (MACT) of the ankleSebastian Quirbach
MR Center High field MR, Department of Radiology, Medical University of Vienna, Vienna General Hospital, Waehringer Guertel 18 20, 1090, Vienna, Austria
Skeletal Radiol 38:751-60. 2009....
T2 and T2* mapping in patients after matrix-associated autologous chondrocyte transplantation: initial results on clinical use with 3.0-Tesla MRIGoetz H Welsch
Department of Radiology, Medical University of Vienna, MR Center, Lazarettgasse 14, 1090 Vienna, Austria
Eur Radiol 20:1515-23. 2010..To use T2 and T2* mapping in patients after matrix-associated autologous chondrocyte transplantation (MACT) of the knee, and to compare and correlate both methodologies...
Alterations in CD44 isoforms and HAS expression in human articular chondrocytes during the de- and re-differentiation processesChristian Albrecht
Medical University of Vienna, Department of Traumatology, Center for Joint and Cartilage, Vienna, Austria
Int J Mol Med 23:253-9. 2009..Our data point out that CD44 expression does not correlate with matrix assembly in chondrocytes and that CD44 has a regulatory function in chondrocytes, not necessarily on differentiation, but probably on proliferation...
Dedifferentiation of human articular chondrocytes is associated with alterations in expression patterns of GDF-5 and its receptorsWerner Schlegel
Department of Traumatology, Medical University Vienna, Center for Joint and Cartilage Waehringer Guertel, Vienna, Austria
J Cell Mol Med 13:3398-404. 2009..The newly synthesized proteins were detected by immunofluorescence. There is evidence from our results that dedifferentiated chondrocytes resemble the cells from the interzone in developing synovial joints...
Advanced morphological 3D magnetic resonance observation of cartilage repair tissue (MOCART) scoring using a new isotropic 3D proton-density, turbo spin echo sequence with variable flip angle distribution (PD-SPACE) compared to an isotropic 3D steady-statGoetz H Welsch
MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
J Magn Reson Imaging 33:180-8. 2011....
Advanced morphological and biochemical magnetic resonance imaging of cartilage repair procedures in the knee joint at 3 TeslaGoetz H Welsch
MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
Semin Musculoskelet Radiol 12:196-211. 2008..A combination of both, together with clinical evaluation, may represent a desirable multimodal approach in the future, also available in routine clinical use...
Computer-assisted surgery of cartilage defects in the knee: comparison of rigid-body fixation techniques in a human cadaver studyStefan Marlovits
Medical University of Vienna, Department of Traumatology, Vienna, Austria
Orthopedics 30:S112-6. 2007..In conclusion, the cartilage defect-managing module allows the precise measurement of full-thickness cartilage defects in the knee joint during arthroscopy and that the module can be used with noninvasive rigid-body fixation...
Effects of mechanical loading on collagen propeptides processing in cartilage repairRosmarie Hardmeier
Department of Traumatology, Medical University of Vienna, Austria
J Tissue Eng Regen Med 4:1-11. 2010..These effects seemed to be dependent on the magnitude and duration of the physical stress. This review will contribute to the understanding of mechanisms for collagen assembly in both a natural and an artificial environment...
Definition of pertinent parameters for the evaluation of articular cartilage repair tissue with high-resolution magnetic resonance imagingStefan Marlovits
Department of Traumatology, Medical University of Vienna, Waehringer Guertel 18 20, A 1090 Vienna, Austria
Eur J Radiol 52:310-9. 2004..The new classification and grading system allows a subtle description and suitable assessment of the articular cartilage repair tissue...
Matrix-based autologous chondrocyte implantation for cartilage repair: noninvasive monitoring by high-resolution magnetic resonance imagingSiegfried Trattnig
Department of Radiology, University Hospital of Vienna, Medical University of Vienna, A 1090 Vienna, Austria
Magn Reson Imaging 23:779-87. 2005..Monitoring of articular cartilage repair after matrix-associated autologous chondrocyte implantation (MACI) by a new grading and point-scale system based on noninvasive cartilage-specific magnetic resonance imaging (MRI) protocol...
Evaluation and comparison of cartilage repair tissue of the patella and medial femoral condyle by using morphological MRI and biochemical zonal T2 mappingGoetz H Welsch
MR Center High field MR, Department of Radiology, Medical University of Vienna, Lazarettgasse 14, 1090 Vienna, Austria
Eur Radiol 19:1253-62. 2009..The assessment of cartilage repair tissue of the patella and MFC afforded comparable morphological results, whereas biochemical T2 values showed differences, possibly due to dissimilar biomechanical loading conditions...
Obesity-related juvenile form of cartilage lesions: a new affliction in the knees of morbidly obese children and adolescentsHarald K Widhalm
Center for Joints and Cartilage, Department of Traumatology, Medical University of Vienna, Vienna, Austria
Eur Radiol 22:672-81. 2012..The aim of the study was to assess the condition of articular cartilage in obese adolescent patients suffering from knee pain...
Emergence of lyme arthritis after autologous chondrocyte transplantationStefan Marlovits
University of Vienna, Vienna, Austria
Arthritis Rheum 50:259-64. 2004..We recommend that synovial fluid and joint tissue be screened for the presence of viable Borrelia before transplantation of an autologous graft...
Quantitative T2 mapping of matrix-associated autologous chondrocyte transplantation at 3 Tesla: an in vivo cross-sectional studySiegfried Trattnig
MR Center, Department of Radiology, Medical University of Vienna, Vienna, Austria
Invest Radiol 42:442-8. 2007..To evaluate magnetic resonance (MR) T2 mapping for characterization of cartilage repair tissue following matrix-associated autologous cartilage transplantation (MACT)...
Impact of 3D-culture on the expression of differentiation markers and hormone receptors in growth plate chondrocytes as compared to articular chondrocytesChristian Albrecht
Department of Paediatrics, Medical University of Vienna, Waehringer Guertel 18 20, 1090 Vienna, Austria
Int J Mol Med 23:347-55. 2009..Moreover, the porcine model is promising as defined by tissue availability, expression of relevant hormonal receptors and comparability to human conditions, in particular in the area of basic growth research...
Ability to return to sports 5 years after matrix-associated autologous chondrocyte transplantation in an average population of active patientsLukas Zak
Department of Traumatology, Medical University of Vienna, Vienna, Austria
Am J Sports Med 40:2815-21. 2012..Cartilage injuries often occur during sports activities, and return to sports after cartilage surgery is an important outcome parameter for different treatment methods in the competitive as well as the recreationally active population...
Persistent bone marrow edema after osteochondral autograft transplantation in the knee jointStefan Franz Nemec
MR Centre of Excellence, Department of Radiology, Division of Neuroradiology and Musculoskeletal Radiology, Medical University Vienna, Waehringerguertel 18 20, Vienna 1090, Austria
Eur J Radiol 71:159-63. 2009..This study determines the prevalence of persistent edema-like signal intensity in OCT patients and evaluates the correlation between edema and morphological imaging findings of the graft and clinical pain symptoms...
High-resolution magnetic resonance imaging and conventional magnetic resonance imaging on a standard field-strength magnetic resonance system compared to arthroscopy in patients with suspected meniscal tearsStefan Franz Nemec
Department of Radiology Division of Neuroradiology and Musculoskeletal Radiology, Medical University Vienna, Waehringerguertel 18 20, A 1090 Vienna, Austria
Acad Radiol 15:928-33. 2008....
Contrast-enhanced high-resolution magnetic resonance imaging of autologous cartilage implants of the knee jointChristina M Plank
Department of Radiology, Medical University of Vienna, A-1190 Vienna, Austria
Magn Reson Imaging 23:739-44. 2005..Contrast-enhanced MRI of articular cartilages is a promising technique in the postoperative follow-up of patients after ACI...
Chondrogenesis of aged human articular cartilage in a scaffold-free bioreactorStefan Marlovits
Department of Traumatology, University of Vienna Medical School, Vienna, Austria
Tissue Eng 9:1215-26. 2003..Moreover, the tissue-engineered constructs may be used for further in vitro studies of differentiation, aging, and regeneration of human articular cartilage...
Quantitative analysis of gene expression in human articular chondrocytes in monolayer cultureStefan Marlovits
Department of Traumatology, University of Vienna, A 1090 Vienna, Austria
Int J Mol Med 13:281-7. 2004..The accurate quantitative assessment of extracellular matrix gene expression in samples of chondrocytes taken from monolayer culture can be used to monitor chondrocyte metabolism as well as changes in the cell differentiation status...
An in vivo mouse model for human cartilage regenerationGeorg C Schüller
Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Donaueschingenstrasse 13, Vienna, Austria
J Tissue Eng Regen Med 2:202-9. 2008..Interestingly, uncovered discs filled with cells showed comparable areas of differentiating cells at the defect surface but lack of fibrous tissue in the middle. The histological results were supported by MRI measurement...
Steady-state diffusion imaging for MR in-vivo evaluation of reparative cartilage after matrix-associated autologous chondrocyte transplantation at 3 tesla--preliminary resultsTallal Charles Mamisch
Department of Orthopaedic Surgery, University of Berne, Inselspital, CH 3010 Berne, Switzerland
Eur J Radiol 65:72-9. 2008..To demonstrate the feasibility of time-reversed fast imaging with steady-state precession (FISP) called PSIF for diffusion-weighted imaging of cartilage and cartilage transplants in a clinical study...
Prevention of venous thromboembolism with fondaparinuxStefan Marlovits
N Engl J Med 346:940-2; author reply 940-2. 2002
Autologous chondrocyte implantation postoperative care and rehabilitation: science and practiceKaren Hambly
Department of Health and Sciences, 166 220 Holloway Road, London, UK
Am J Sports Med 34:1020-38. 2006....
