He has participated as a speakerin 72 Greek and international conferences, such as the Hellenic Orthopaedic Society (EEXOT), the Orthopaedic and Traumatological Society of Macedonia and Thrace (OTEMATH), Hellenic Society for the Study of Bone Metabolism, European Hip Society, Mediterranean Hip Meeting, European Federations of National Associations of Orthopaedics and Traumatology (EFORT), Ortodedic Research Society (ORS) and Swedish Orthopaedic Congress (Svensk Ortopedisk Forening).
He has participated in 112 research papers in Greek and international conferences.
Publications
(20 most important publications)
Increase in early polyethylene wear after sterilization with ethylene oxide.
Digas G, Thanner J, Nivbrant B, Röhrl S, Ström H, Kärrholm J.
Acta Orthop Scand 2003;74:531-541
Higly cross-linked polyethylene in cemented THA: Randomized study of 61 hips.
Digas G, Kärrholm J, Thanner J, Malchau H, Herberts P.
Clinical Orthopedics & Related Research 2003;417:126-138.
Highly cross-linked polyethylene in total hip arthroplasty: Randomised evaluation of penetration rate in cemented and uncemented sockets using radiostereometric analysis.
Digas G, Kärrholm J, Thanner J, Malchau H, Herberts P.
Clinical Orthopaedics & Related Research. 2004;429:6-16.
Bioactive cement or ceramic/porous coating vs. conventional cement to obtain early stability of the acetabular cup. Randomised study of 96 hips followed with radiostereometry.
Digas G, Thanner J, Anderberg Ch, Kärrholm J.
J Orthop Res. 2004;22:1035-43.
Ankle arthrodesis using dowel bone graft and cancellous-bone screws. A mechanical study in cadavers.
Karladani AH, Digas G, Ekström L, Swanpalmer J, Styf J, Hansson T.
Acta Orthop Scand 2004;75:471-476
Fluoride containing acrylic bone cement in total hip arthroplasty: Randomized evaluation of 97 stems using radiostereometry and DEXA.
Digas G, Thanner J, Anderberg Ch, Kärrholm J.
J Arthroplasty 2005;20:784-92.
Digas G. New polymer materials in total hip arthroplasty. Evaluation with radiostereometry, bone densitometry, radiography and clinical parameters.
Acta Orthop. Suppl. 2005;76:3-82.
Standing versus supine radiographs in RSA evaluation of femoral head penetration.
Bragdon C R, Thanner T, Greene M E, Malchau H, Digas G, Kärrholm J, Harris W H.
Clin Orthop Relat Res. 2006 Jul;448:46-51.
Different loss of BMD behind uncemented press-fit and whole polyethylene cups fixed with cement. Repeated DEXA studies in 96 hips randomized to 3 types of fixation.
Digas G, Kärrholm J, Thanner T.
Acta Orthop. 2006 Apr;77(2):218-26
Addition of Fluoride to Acrylic Bone Cement does not Improve Fixation of the stem in Total Hip Arthroplasty. Five years randomized evaluation of 97 stems using radiostereometry and DEXA.
Digas G, Kärrholm J, Thanner T.
Clin Orthop Relat Res. 2006 Jul;448:58-66.
Influence of design variation on the early migration of a cemented stem.
Olofsson K, Digas G, Kärrholm J.
Clin Orthop Relat Res. 2006 Jul;448:67-72
Five years experience of Highly Cross-linked Polyethylene in Cemented and Uncemented Sockets: Two randomized studies using Radiostereometric Analysis.
Digas G, Kärrholm J, Thanner J, Herberts P.
Acta Orthopaedica 2007;78(6): 746-754
More than 95% less wear with highly crosslinked PE vs. conventional PE
G. Digas
By Brockenbrough
ORTHOPAEDICS TODAY INTERNATIONAL 2008; 11:8
European Journal of Anaesthesiology (Impact Factor: 3.01). 01/2008; 25(Sup 44):118.
A. Tataraki, E. Antonopoulou, S . Poulaki, G. Digas, K. Papaioannou
DOI: 10.1097/00003643-200805001-00376
Five-year DEXA study of 88 hips with cemented femoral stem.
Georgios Digas, Johan Kärrholm.
Int Orthop. 2009 Dec;33(6):1495-500.
Low wear rate in a cemented hip arthroplasty with highly cross-linked polyethylene. Ten year results of a randomized controlled study.
Per-Erik Johanson, Georgios Digas, Jonas Thanner, Peter Herberts, Johan Kärrholm
Clin Orthop Relat Res. 2012 Nov;470(11):3083-93.
Does the position of the hip influence measurements of wear in Total Hip Replacement.
(A Dynamic radiostereometric analysis study)
Georgios Digas, Per-Erik Johansson, Johan Kärrholm
J Orthop Res. 2013 Nov;31(11):1686-93. doi: 10.1002/jor.22428. epub 2013 Aug 12
One-stage Bilateral Total Hip Arthroplasty is cost-saving.
Ola Rolfson, Georgios Digas, Peter Herberts, Johan Kärrholm, Fredrik Borgström, Göran Garellick
Hip International (2012)
Femoral Neck Version Affects Medial Femorotibial Loading
T. Papaioannou, G. Digas, Ch. Βikos, V. Karamoulas, E.A. Magnissalis
ISRN Orthopedics Volume 2013 (2013), Article ID 328246, 6 pages http://dx.doi.org/10.1155/2013/328246
Intra-articular injection of tranexamic acid plus drain-clamping reduce blood loss in cemented total knee arthroplasty
G. Digas, G. Koutsogiannis, G. Meletiadis, E. Antonopoulou, V. Karamoulas, Ch. Mpikos.
Eur J Orthop Surg Traumatol. 2016 Oct;25(7):1181-8. doi: 10.1007/s00590-015-1664-8. doi: 10.1007/s00590-015-1664-8.
Writing books (chapters)
Digas, G. New polymer materials in total hip arthroplasty. Evaluation with radiostereometry, bone densitometry, radiography and clinical parameters.
Acta Orthop Suppl. 2005 Feb;76(315):3-82. Review.
Bone-implant interface in orthopedic surgery - basic science to application
Editor Theofilos Karachalios
Chapter 4: The implant-cement interface in total hip arthroplasty.
Georgios Digas, Johan Karrholm
ISBN 978-1-4471-5408-2
Springer London Heidelberg New York Dordrecht
Springer-Verlag London 2014
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