3 results on '"Mathijs P Somford"'
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2. Obesity in total hip arthroplasty—does it really matter?
- Author
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Mark N Klinkenbijl, Mathijs P Somford, Daniel Haverkamp, G H Rob Albers, Harm M. van der Vis, Other Research, and Orthopedic Surgery and Sports Medicine
- Subjects
medicine.medical_specialty ,Prosthesis-Related Infections ,Arthroplasty, Replacement, Hip ,medicine.medical_treatment ,Aseptic loosening ,MEDLINE ,Postoperative Complications ,Internal medicine ,Outcome Assessment, Health Care ,Correspondence ,Humans ,Medicine ,Orthopedics and Sports Medicine ,Obesity ,Intraoperative Complications ,business.industry ,General Medicine ,Odds ratio ,medicine.disease ,Arthroplasty ,Prosthesis Failure ,Treatment Outcome ,Data extraction ,Meta-analysis ,Physical therapy ,Surgery ,business ,Total hip arthroplasty - Abstract
Discussion persists as to whether obesity negatively influences the outcome of hip arthroplasty. We performed a meta-analysis with the primary research question of whether obesity has a negative effect on short- and long-term outcome of total hip arthroplasty. We searched the literature and included studies comparing the outcome of hip arthroplasty in different weight groups. The methodology of the studies included was scored according to the Cochrane guidelines. We extracted and pooled the data. For continuous data, we calculated a weighted mean difference and for dichotomous variables we calculated a weighted odds ratio (OR). Heterogeneity was calculated using I(2) statistics. 15 studies were eligible for data extraction. In obese patients, dislocation of the hip (OR = 0.54, 95% CI: 0.38-0.75) (10 studies, n = 8,634), aseptic loosening (OR = 0.64, CI: 0.43-0.96) (6 studies, n = 5,137), infection (OR = 0.3, CI: 0.19-0.49) (10 studies, n = 7,500), and venous thromboembolism (OR = 0.56, CI: 0.32-0.98) (7 studies, n = 3,716) occurred more often. Concerning septic loosening and intraoperative fractures, no statistically significant differences were found, possibly due to low power. Subjective outcome measurements did not allow pooling because of high heterogeneity (I(2) = 68%). Obesity appears to have a negative influence on the outcome of total hip replacement
- Published
- 2011
3. Reliability, Validity, and Responsiveness of the Western Ontario and McMaster Universities Osteoarthritis Index for Elderly Patients with a Femoral Neck Fracture
- Author
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Paul T.P.W. Burgers, Rudolf W Poolman, Theodorus MJ Van Bakel, Wim E Tuinebreijer, Stephanie M Zielinski, Mohit Bhandari, Peter Patka, Esther MM Van Lieshout, P J Devereaux, Gordon H Guyatt, Thomas A Einhorn, Lehana Thabane, Emil H Schemitsch, Kenneth J Koval, Frede Frihagen, Kevin Tetsworth, Ernesto Guerra-Farfan, Stephen D Walter, Sheila Sprague, Marilyn Swinton, Taryn Scott, Paula McKay, Kim Madden, Diane Heels-Ansdell, Lisa Buckingham, Aravin Duraikannan, Heather Silva, Martin J Heetveld, Robert D Zura, Victoria Avram, Ajay Manjoo, Dale Williams, John Antoniou, Tim Ramsay, Earl R Bogoch, Andrew Trenholm, Stephen Lyman, Madhu Mazumdar, Kevin J Bozic, Mark Luborsky, Stuart Goodman, Susan Muray, Rob Korley, Richard Buckley, Paul Duffy, Shannon Puloski, Kimberly Carcary, Melissa Lorenzo, Michael D McKee, Jeremy A Hall, Aaron Nauth, Daniel Whelan, Timothy R Daniels, James P Waddell, Henry Ahn, Milena R Vicente, Jennifer T Hidy, Melanie T MacNevin, Hans Kreder, Terry Axelrod, Richard Jenkinson, Markku Nousiainen, David Stephen, Veronica Wadey, Monica Kunz, Katrine Milner, Ria Cagaanan, Melanie MacNevin, Peter J O’Brien, Piotr A Blachut, Henry M Broekhuyse, Pierre Guy, Kelly A Lefaivre, Gerard P Slobogean, Raman Johal, Irene Leung, Chad Coles, Ross Leighton, C. Glen Richardson, Michael Biddulph, Michael Gross, Michael Dunbar, J. David Amirault, David Alexander, Catherine Coady, Mark Glazebrook, David Johnston, William Oxner, Gerald Reardon, Ivan Wong, Kelly Trask, Shelley MacDonald, Andrew Furey, Craig Stone, Minnie Parsons, Trevor Stone, Mauri Zomar, Robert McCormack, Kelly Apostle, Dory Boyer, Farhad Moola, Bertrand Perey, Darius Viskontas, Karyn Moon, Raely Moon, Yves Laflamme, Benoit Benoit, Pierre Ranger, Michel Malo, Julio Fernandes, Karine Tardif, Julie Fournier, Pascal André Vendittoli, Vincent Massé, Alain G Roy, Martin Lavigne, Daniel Lusignan, Craig Davis, Philip Stull, Stewart Weinerman, Peter Weingarten, Steven Lindenbaum, Michael Hewitt, Rebecca Danielwicz, Janell Baker, Michael Mont, Donald E Delanois, Bhaveen Kapadia, Kimona Issa, Marylou Mullen, Andrew Sems, Barb Foreman, Javad Parvizi, Tiffany Morrison, Courtland Lewis, Stephanie Caminiti, Paul Tornetta, William R Creevy, Michelle J Lespasio, Hope Carlisle, Andrew Marcantonio, Michael Kain, Lawrence Specht, John Tilzey, John Garfi, Samir Mehta, John L Esterhai, Jaimo Ahn, Derek Donegan, Annamarie Horan, Kelly McGinnis, James Roberson, Thomas Bradbury, Greg Erens, Kyle Webb, Brian Mullis, Karl Shively, Andrew Parr, Janos Ertl, Ripley Worman, Mark Webster, Judd Cummings, Valda Frizzell, Molly Moore, Clifford B Jones, James R Ringler, Debra L Sietsema, Jane E Walker, Enes Kanlic, Amr Abdelgawad, Juan Shunia, Charles DePaolo, Susan Sutherland, Rachel Alosky, Robert Zura, Maria Manson, Gregg Strathy, Kathleen Peter, Paul Johnson, Meaghan Morton, James Shaer, Tyson Schrickel, Barbara Hileman, Marina Hanes, Elisha Chance, E. Matthew Heinrich, David Dodgin, Michele LaBadie, David Zamorano, Martin Tynan, Ran Schwarzkopf, John A Scolaro, Ranjan Gupta, Samuel Bederman, Nitin Bhatia, Bang Hoang, Douglas Kiester, Neil Jones, Gregory Rafijah, Damon Alavekios, Jason Lee, Akshay Mehta, Steven Schroder, Tom Chao, Vincent Colin, Phuc (Phil) Dang, Stephen Keun Heng, Gregory Lopez, Samuel Galle, Sohrab Pahlavan, Duy L Phan, Minal Tapadia, Christopher Bui, Nickul Jain, Tyler Moore, Nathan Moroski, Deeba Pourmand, Erik N Kubiak, Jeremy Gililland, David Rothberg, Christopher Peters, Christopher Pelt, Ami R Stuart, Kirby Corbey, Franklin D Shuler, James Day, Tigran Garabekyan, Felix Cheung, Ali Oliashirazi, Jonathon Salava, Linda Morgan, Timothy Wilson-Byrne, Mary Beth Cordle, Leon H.G.J. Elmans, Joost A.A.M. van den Hout, Adrianus JP Joosten, Ad FA van Beurden, Stefan BT Bolder, Denise Eygendaal, Adrianus F.C.M. Moonen, Rutger CI van Geenen, Eric A Hoebink, Robert Wagenmakers, Wouter van Helden, Hans-Peter W van Jonbergen, Herbert Roerdink, Joost M Reuver, Alexander FW Barnaart, Elvira R Flikweert, Rover Krips, J. Bernard Mullers, Hans Schüller, Mark LM Falke, Frans J Kurek, Adrianus CH Slingerland, Jan P van Dijk, Wouter H van Helden, Hugo W Bolhuis, Pieter HJ Bullens, Mike Hogervorst, Karin E de Kroon, Rob H Jansen, Ferry Steenstra, Eric EJ Raven, W. Peter J Fontijne, Saskia C Wiersma, Bastiaan Boetes, Edgar JT ten Holder, Huub JL van der Heide, Jochem Nagels, Enrike H.M.J. van der Linden-van der Zwaag, Stefan B Keizer, Jan-Willem A Swen, Peter HC den Hollander, Bregje JW Thomassen, Willem Jan Kleyn Molekamp, Frank R.A.J. de Meulemeester, Arthur EB Kleipool, Robert Haverlag, Maarten P Simons, Eduard L.A.R. Mutsaerts, Rob Kooijman, Roelf R Postema, René J.T.M. Bleker, Harald IH Lampe, Lein Schuman, John Cheung, Frank van Bommel, W. Paul Winia, Daniel Haverkamp, Harm van der Vis, Peter A Nolte, Michel PJ van den Bekerom, Tjitte de Jong, Arthur van Noort, Diederik A Vergroesen, Bernard G Schutte, Harm M van der Vis, Lijkele Beimers, Jasper de Vries, Arthur W Zurcher, G.H. Rob Albers, Maarten Rademakers, Stefan Breugem, Ibo van der Haven, Pieter Jan Damen, Gythe H Bulstra, Martin M Campo, Mathijs P Somford, Daniël Haverkamp, Susan Liew, Harvinder Bedi, Ashley Carr, Andrew Chia, Steve Csongvay, Craig Donohue, Stephen Doig, Elton Edwards, Max Esser, Richard Freeman, Andrew Gong, Doug Li, Russell Miller, Lu Ton, Otis Wang, Ian Young, Adam Dowrick, Zoe Murdoch, Claire Sage, Richard Page, David Bainbridge, Richard Angliss, Ben Miller, Andrew Thomson, Graeme Brown, Simon Williams, Kevin Eng, David Bowyer, John Skelley, Chatar Goyal, Sally Beattie, Enrique Guerado, Encarnacion Cruz, Juan Ramon Cano, Miguel Angel Froufe, Lluis Marull Serra, Samer Al-dirra, Cristina Martinez, Francisco José Tarazona Santabalbina, Jordi Teixidor Serra, Jordi Tomas Hernandez, Marc Aguilar Garcia, Vicente Molero Garcia, Sergi Barrera, Miriam Garrido, Lars Nordsletten, John Clarke-Jenssen, Geir Hjorthaug, Anne Christine Brekke, Elise Berg Vesterhus, Ingunn Skaugrud, Pradeep Tripathi, Sandesh Katiyar, Preksha Shukla, Marc Swiontkowski, Gordon Guyatt, Kyle Jeray, Stephen Walter, Helena Viveiros, Victoria Truong, Kaitlin Koo, Qi Zhou, Deborah Maddock, Nicole Simunovic, Julie Agel, Amar Rangan, Birgit C Hanusch, Lucksy Kottam, Rachel Clarkson, Gregory J Della Rocca, Gerard Slobogean, Jeffrey Katz, Brenda Gillespie, Gail A Greendale, Curtis Hartman, Craig Rubin, James Waddell, H. Michael Lemke, Amber Oatt, Richard E Buckley, Robert Korley, Kelly Johnston, James Powell, David Sanders, Abdel Lawendy, Christina Tieszer, John Murnaghan, Diane Nam, Albert Yee, Daniel B Whelan, Lisa M Wild, Ryan M Khan, Cathy Coady, David Amirault, Glen Richardson, Gwen Dobbin, Ryan Bicknell, Jeff Yach, Davide Bardana, Gavin Wood, Mark Harrison, David Yen, Sue Lambert, Fiona Howells, Angela Ward, Paul Zalzal, Heather Brien, V Naumetz, Brad Weening, Eugene K Wai, Steve Papp, Wade T Gofton, Stephen P Kingwell, Garth Johnson, Joseph O’Neil, Darren M Roffey, Vivian Borsella, Todd M Oliver, Vicki Jones, Terrence J Endres, Samuel G Agnew, Kyle J Jeray, J. Scott Broderick, David R Goetz, Thomas B Pace, Thomas M Schaller, Scott E Porter, Stephanie L Tanner, Rebecca G Snider, Lauren A Nastoff, Shea A Bielby, Julie A Switzer, Peter A Cole, Sarah A Anderson, Paul M Lafferty, Mengnai Li, Thuan V Ly, Scott B Marston, Amy L Foley, Sandy Vang, David M Wright, Andrew J Marcantonio, Michael SH Kain, Richard Iorio, Lawrence M Specht, John F Tilzey, Margaret J Lobo, John S Garfi, Heather A Vallier, Andrea Dolenc, Chalitha Robinson, Michael J Prayson, Richard Laughlin, L. Joseph Rubino, Jedediah May, Geoffrey Ryan Rieser, Liz Dulaney-Cripe, Chris Gayton, John T Gorczyca, Jonathan M Gross, Catherine A Humphrey, Stephen Kates, Krista Noble, Allison W McIntyre, Kaili Pecorella, Craig A Davis, Stephen Lindenbaum, John Schwappach, Janell K Baker, Tori Rutherford, Heike Newman, Shane Lieberman, Erin Finn, Kristin Robbins, Meghan Hurley, Lindsey Lyle, Khalis Mitchell, Kieran Browner, Erica Whatley, Krystal Payton, Christina Reeves, Lisa K Cannada, David Karges, Leslie Hill, John Esterhai, Annamarie D Horan, Christine A Kaminski, Brynn N Kowalski, Jonathan P Keeve, Christopher G Anderson, Michael D McDonald, Jodi M Hoffman, Ivan Tarkin, Peter Siska, Gary Gruen, Andrew Evans, Dana J Farrell, James Irrgang, Arlene Luther, William W Cross, Joseph R Cass, Stephen A Sems, Michael E Torchia, Tyson Scrabeck, Mark Jenkins, Jules Dumais, Amanda W Romero, Carlos A Sagebien, Mark S Butler, James T Monica, Patricia Seuffert, Joseph R Hsu, James Ficke, Michael Charlton, Matthew Napierala, Mary Fan, Chadi Tannoury, Michael Archdeacon, Ryan Finnan, Toan Le, John Wyrick, Shelley Hess, Michael L Brennan, Robert Probe, Evelyn Kile, Kelli Mills, Lydia Clipper, Michelle Yu, Katie Erwin, Daniel Horwitz, Kent Strohecker, Teresa K Swenson, Andrew H Schmidt, Jerald R Westberg, Kamran Aurang, Gary Zohman, Brett Peterson, Roger B Huff, Joseph Baele, Timothy Weber, Matt Edison, Jessica McBeth, Janos P Ertl, J. Andrew Parr, Molly M Moore, Erin Tobias, Emily Thomas, Charles J DePaolo, Leslie E Shell, Lynne Hampton, Stephanie Shepard, Tracy Nanney, Claudine Cuento, Robert V Cantu, Eric R Henderson, Linda S Eickhoff, E. Mark Hammerberg, Philip Stahel, David Hak, Cyril Mauffrey, Douglas Gibula, Hannah Gissel, Corey Henderson, David P Zamorano, Martin C Tynan, Deanna Lawson, Brett D Crist, Yvonne M Murtha, Linda K Anderson, Colleen Linehan, Lindsey Pilling, Courtland G Lewis, Raymond J Sullivan, Elizabeth Roper, William Obremskey, Philip Kregor, Justin E Richards, Kenya Stringfellow, Michael P Dohm, Abby Zellar, Michiel JM Segers, Jacco AC Zijl, Bart Verhoeven, Anke B Smits, Jean Paul PM de Vries, Bram Fioole, Henk van der Hoeven, Evert BM Theunissen, Tammo S de Vries Reilingh, Lonneke Govaert, Philippe Wittich, Maurits de Brauw, Jan Wille, Peter M.N.Y.M. Go, Ewan D Ritchie, Ronald N Wessel, Eric R Hammacher, Gijs A Visser, Heyn Stockmann, Rob Silvis, Jaap P Snellen, Bram Rijbroek, Joris JG Scheepers, Erik GJ Vermeulen, Michiel PC Siroen, Ronald Vuylsteke, Hans LF Brom, Herman Rijna, Piet AR de Rijcke, Cees L Koppert, Steven E Buijk, Richard PR Groenendijk, Imro Dawson, Geert WM Tetteroo, Milko MM Bruijninckx, Pascal G Doornebosch, Eelco JR de Graaf, Maarten van der Elst, Carmen C van der Pol, Martijne van’t Riet, Tom M Karsten, Mark R de Vries, Laurents PS Stassen, Niels WL Schep, G Ben Schmidt, W H Hoffman, Frank H.W.M. van der Heijden, W. Jaap Willems, Cor P van der Hart, Kahn Turckan, Sebastiaan Festen, Frank de Nies, Nico JM Out, Jan Bosma, Albert van Kampen, Jan Biert, Arie B van Vugt, Michael JR Edwards, Taco J Blokhuis, Jan Paul M Frölke, Leo MG Geeraedts, Jean WM Gardeniers, Edward T.C.H. Tan, Lodewijk M.S.J. Poelhekke, Maarten C de Waal Malefijt, Bart Schreurs, Gert R Roukema, Hong A Josaputra, Paul Keller, Peter D de Rooij, Hans Kuiken, Han Boxma, Berry I Cleffken, Ronald Liem, Steven J Rhemrev, Coks HR Bosman, Alexander de Mol van Otterloo, Jochem Hoogendoorn, Alexander C de Vries, Sven AG Meylaerts, Michiel HJ Verhofstad, Joost Meijer, Teun van Egmond, Igor van der Brand, Martin G Eversdijk, Rolf Peters, Dennis Den Hartog, Oscar JF Van Waes, Pim Oprel, Martin Campo, Ronald Verhagen, G.H. Robert Albers, Rogier KJ Simmermacher, Jeroen van Mulken, Karlijn van Wessem, Steven M van Gaalen, Luke PH Leenen, Maarten W.G.A. Bronkhorst, Onno R Guicherit, J. Carel Goslings, Kees Jan Ponsen, Mahesh Bhatia, Vinod Arora, Vivek Tyagi, Ajay Gupta, Neeraj Jain, Farah Khan, Ateet Sharma, Amir Sanghavi, Mittal Trivedi, Anil Rai, null Subash, Kamal Rai, Vineet Yadav, Sanjay Singh, Amal Shankar Prasad, Vimlesh Mishra, D C Sundaresh, Angshuman Khanna, Joe Joseph Cherian, Davy J Olakkengil, Gaurav Sharma, Akhil Dadi, Naveen Palla, Utsav Ganguly, B. Sachidananda Rai, Janakiraman Rajakumar, Peter Hull, Sophie Lewis, Simone Evans, Rajesh Nanda, Rajanikanth Logishetty, Sanjeev Anand, Carol Bowler, Andrew Jennings, Graham Chuter, Glynis Rose, Gillian Horner, Callum Clark, Kate Eke, Mike Reed, Chris Herriott, Christine Dobb, Hamish Curry, Greg Etherington, Arvind Jain, Ash Moaveni, Matthias Russ, Geoff Donald, Patrick Weinrauch, Paul Pincus, Steven Yang, Brett Halliday, Trevor Gervais, Michael Holt, Annette Flynn, Marinis Pirpiris, David Love, Andrew Bucknill, Richard J Farrugia, Torben Ianssen, Asgeir Amundsen, Jan Egil Brattgjerd, Tor Borch, Berthe Bøe, Bernhard Flatøy, Sondre Hasselund, Knut Jørgen Haug, Kim Hemlock, Tor Magne Hoseth, Geir Jomaas, Thomas Kibsgård, Tarjei Lona, Gilbert Moatshe, Oliver Müller, Marius Molund, Tor Nicolaisen, Fredrik Nilsen, Jonas Rydinge, Morten Smedsrud, Are Stødle, Axel Trommer, Stein Ugland, Anders Karlsten, Guri Ekås, Hans-Christoph Pape, Matthias Knobe, Roman Pfeifer, Orthopedic Surgery and Sports Medicine, Graduate School, Other departments, Surgery, Other Research, Amsterdam Movement Sciences, Cardiothoracic Surgery, and Emergency Medicine
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Male ,medicine.medical_specialty ,WOMAC ,Abstracting and Indexing ,Osteoarthritis ,Cronbach's alpha ,Surveys and Questionnaires ,medicine ,Humans ,Orthopedics and Sports Medicine ,Clinical significance ,Femoral neck ,Aged, 80 and over ,Ontario ,business.industry ,Reproducibility of Results ,Construct validity ,General Medicine ,medicine.disease ,RELIABILITY VALIDITY ,Femoral Neck Fractures ,Reconstructive and regenerative medicine Radboud Institute for Health Sciences [Radboudumc 10] ,Clinical trial ,Reconstructive and regenerative medicine Radboud Institute for Molecular Life Sciences [Radboudumc 10] ,medicine.anatomical_structure ,Physical therapy ,Female ,Surgery ,business - Abstract
Item does not contain fulltext BACKGROUND: The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) has been extensively evaluated in groups of patients with osteoarthritis, yet not in patients with a femoral neck fracture. This study aimed to determine the reliability, construct validity, and responsiveness of the WOMAC compared with the Short Form-12 (SF-12) and the EuroQol 5D (EQ-5D) questionnaires for the assessment of elderly patients with a femoral neck fracture. METHODS: Reliability was tested by assessing the Cronbach alpha. Construct validity was determined with the Pearson correlation coefficient. Change scores were calculated from ten weeks to twelve months of follow-up. Standardized response means and floor and ceiling effects were determined. Analyses were performed to compare the results for patients less than eighty years old with those for patients eighty years of age or older. RESULTS: The mean WOMAC total score was 89 points before the fracture in the younger patients and increased from 70 points at ten weeks to 81 points at two years postoperatively. In the older age group, these scores were 86, 75, and 78 points. The mean WOMAC pain scores before the fracture and at ten weeks and two years postoperatively were 92, 76, and 87 points, respectively, in the younger age group and 92, 84, and 93 points in the older age group. Function scores were 89, 68, and 79 points for the younger age group and 84, 71, and 73 points for the older age group. The Cronbach alpha for pain, stiffness, function, and the total scale ranged from 0.83 to 0.98 for the younger age group and from 0.79 to 0.97 for the older age group. Construct validity was good, with 82% and 79% of predefined hypotheses confirmed in the younger and older age groups, respectively. Responsiveness was moderate. No floor effects were found. Moderate to large ceiling effects were found for pain and stiffness scales at ten weeks and twelve months in younger patients (18% to 36%) and in the older age group (38% to 53%). CONCLUSIONS: The WOMAC showed good reliability, construct validity, and responsiveness in both age groups of elderly patients with a femoral neck fracture who had been physically and mentally fit before the fracture. The instrument is suitable for use in future clinical studies in these populations. CLINICAL RELEVANCE: The results are based on two clinical trials. The questionnaires used concern pure, clinically relevant issues (ability to walk, climb stairs, etc.). Moreover, the results can be used for future research comparing clinical outcomes (or treatments) for populations with a femoral neck fracture.
- Published
- 2015
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