Blar i forfatter "Zwart, John Anker Henrik"

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    • Amoxicillin did not Reduce Modic Change Oedema in Patients with Chronic Low Back pain - subgroup Analyses of a Randomised Trial (the AIM study) 

      Kristoffersen, Per Martin; Vetti, Nils; Grøvle, Lars; Brox, Jens Ivar; Bråten, Lars Christian Haugli; Grotle, Margreth; Haugen, Anne Julsrud; Rolfsen, Mads Peder; Froholdt, Anne; Skouen, Jan Sture; Lutro, Olav; Marchand, Gunn Hege; Anke, Audny Gabriele Wagner; Zwart, John Anker Henrik; Storheim, Kjersti; Assmus, Jörg; Espeland, Ansgar (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-12)
      <p><b> Study Design. </b> Exploratory subgroup analyses of a randomised trial (Antibiotics In Modic changes (AIM) study). <p><b> Objective. </b> To assess the effect of amoxicillin versus placebo in reducing Modic change (MC) oedema in patients with chronic low back pain (LBP). <p><b> Summary of Background Data. </b> The AIM study showed a small, clinically insignificant effect of ...

    • Anterior surgical treatment for cervical degenerative radiculopathy: a prediction model for non-success 

      Mjåset, Christer; Solberg, Tore; Zwart, John Anker Henrik; Småstuen, Milada Cvancarova; Kolstad, Frode; Grotle, Margreth (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-12-08)
      Purpose By using data from the Norwegian Registry for Spine Surgery, we wanted to develop and validate prediction models for non-success in patients operated with anterior surgical techniques for cervical degenerative radiculopathy (CDR).<p> <p>Methods This is a multicentre longitudinal study of 2022 patients undergoing CDR surgery and followed for 12 months to fnd prognostic models for non-success ...

    • Clinical improvement after surgery for degenerative cervical myelopathy; A comparison of Patient-Reported Outcome Measures during 12-month follow-up 

      Mjåset, Christer; Zwart, John Anker Henrik; Kolstad, Frode; Solberg, Tore; Grotle, Margreth (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-08)
      Object - Although many patients report clinical improvement after surgery due to degenerative cervical myelopathy, the aim of intervention is to stop progression of spinal cord dysfunction. We wanted to provide estimates and assess achievement rates of Minimal Clinically Important Difference (MCID) at 3- and 12-month follow-up for Neck Disability Index (NDI), Numeric Rating Scale for arm pain (NRS-AP) ...

    • COL11A1 is associated with developmental dysplasia of the hip and secondary osteoarthritis in the HUNT study 

      Jacobsen, Kaya Kvarme; Børte, Sigrid; Laborie, Lene Bjerke; Kristiansen, Hege; Schäfer, Annette; Gundersen, Trude; Zayats, Tetyana; Winsvold, Bendik Kristoffer Slagsvold; Martinsen, Amy; Skogholt, Anne Heidi; Brumpton, Ben Michael; Willer, Cristen J; Fors, Egil Andreas; Kristoffersen, Espen Saxhaug; Heuch, Ingrid; Mundal, Ingunn Pernille; Zwart, John Anker Henrik; Nielsen, Jonas B.; Storheim, Kjersti; Hagen, Knut; Nilsen, Kristian Bernhard; Hveem, Kristian; Fritsche, Lars G; Thomas, Laurent Francois; Pedersen, Linda Margareth; Gabrielsen, Maiken Elvestad; Lie, Marie U.; Stensland, Synne; Zhou, Wei; Rosendahl, Karen (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-12-16)
      Objective: Developmental dysplasia of the hip (DDH) is a congenital condition affecting 2-3% of all infants. DDH increases the risk of osteoarthritis, is the cause of 30% of all total hip arthroplasties (THAs) in adults <40 years of age and can result in loss of life quality. Our aim was to explore the genetic background of DDH in order to improve diagnosis, management and longterm outcome.<p><p> ...

    • Dissecting the shared genetic basis of migraine and mental disorders using novel statistical tools 

      Bahrami, Shahram; Hindley, Guy Frederick Lanyon; Winsvold, Bendik K S; O'Connell, Kevin S; Frei, Oleksandr; Shadrin, Alexey; Cheng, Weiqiu; Bettella, Francesco; Rødevand, Linn; Ødegaard, Ketil Joachim; Fan, Chun C; Pirinen, Matti J; Hautakangas, Heidi M; Martinsen, Amy; Skogholt, Anne Heidi; Brumpton, Ben Michael; Willer, Cristen J; Tronvik, Erling Andreas; Kristoffersen, Espen Saxhaug; Zwart, John Anker Henrik; Nielsen, Jonas Bille; Hagen, Knut; Nilsen, Kristian Bernhard; Hveem, Kristian; Stovner, Lars Jacob; Fritsche, Lars; Thomas, Laurent; Pedersen, Linda Margareth; Gabrielsen, Maiken Elvestad; Johnsen, Marianne Bakke; Lie, Marie; Holmen, Oddgeir Lingaas; Børte, Sigrid; Stensland, Synne; Zhou, Wei; Dale, Anders; Djurovic, Srdjan; Smeland, Olav Bjerkehagen; Andreassen, Ole (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-07-17)
      Migraine is three times more prevalent in people with bipolar disorder or depression. The relationship between schizophrenia and migraine is less certain although glutamatergic and serotonergic neurotransmission are implicated in both. A shared genetic basis to migraine and mental disorders has been suggested but previous studies have reported weak or non-significant genetic correlations and five ...

    • Minimal important change was on the lower spectrum of previous estimates and responsiveness was sufficient for core outcomes in chronic low back pain 

      Bråten, Lars Christian Haugli; Grøvle, Lars; Wigemyr, Monica; Wilhelmsen, Maja; Gjefsen, Elisabeth; Espeland, Ansgar; Haugen, Anne Julsrud; Skouen, Jan Sture; Brox, Jens Ivar; Zwart, John Anker Henrik; Storheim, Kjersti; Ostelo, Raymond WJG.; Grotle, Margreth (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-01)
      Objectives: The objective of this study was to estimate the minimal important change (MIC) and responsiveness of core patient reported outcome measures for chronic low back pain (LBP) and Modic changes.<p> <p>Study Design and Setting: In the Antibiotics in Modic changes (AIM) trial we measured disability (RMDQ, ODI), LBP intensity (NRS) and health-related quality of life (EQ5D) electronically at ...

    • A saturated map of common genetic variants associated with human height 

      Yengo, Loïc; Vedantam, Sailaja; Marouli, Eirini; Sidorenko, Julia; Bartell, Eric; Sakaue, Saori; Graff, Marielisa; Eliasen, Anders U.; Jiang, Yunxuan; Raghavan, Sridharan; Miao, Jenkai; Arias, Joshua D.; Graham, Sarah E.; Mukamel, Ronen E.; Spracklen, Cassandra N.; Yin, Xianyong; Chen, Shyh-Huei; Ferreira, Teresa; Highland, Heather H.; Ji, Yingjie; Karaderi, Tugce; Lin, Kuang; Lüll, Kreete; Malden, Deborah E.; Medina-Gomez, Carolina; Machado, Moara; Moore, Amy; Rüeger, Sina; Sim, Xueling; Vrieze, Scott; Ahluwalia, Tarunveer S.; Akiyama, Masato; Allison, Matthew A.; Alvarez, Marcus; Andersen, Mette K.; Ani, Alireza; Appadurai, Vivek; Arbeeva, Liubov; Bhaskar, Seema; Bielak, Lawrence F.; Bollepalli, Sailalitha; Bonnycastle, Lori L.; Bork-Jensen, Jette; Bradfield, Jonathan P.; Bradford, Yuki; Braund, Peter S.; Brody, Jennifer A.; Burgdorf, Kristoffer S.; Cade, Brian E.; Cai, Hui; Cai, Qiuyin; Campbell, Archie; Cañadas-Garre, Marisa; Catamo, Eulalia; Chai, Jin-Fang; Chai, Xiaoran; Chang, Li-Ching; Chang, Yi-Cheng; Chen, Chien-Hsiun; Chesi, Alessandra; Choi, Seung Hoan; Chung, Ren-Hua; Cocca, Massimiliano; Concas, Maria Pina; Couture, Christian; Cuellar-Partida, Gabriel; Danning, Rebecca; Daw, E. Warwick; Degenhard, Frauke; Delgado, Graciela E.; Delitala, Alessandro; Demirkan, Ayse; Deng, Xuan; Devineni, Poornima; Dietl, Alexander; Dimitriou, Maria; Dimitrov, Latchezar; Dorajoo, Rajkumar; Ekici, Arif B.; Engmann, Jorgen E.; Fairhurst-Hunter, Zammy; Farmaki, Aliki-Eleni; Faul, Jessica D.; Fernandez-Lopez, Juan-Carlos; Forer, Lukas; Francescatto, Margherita; Freitag-Wolf, Sandra; Fuchsberger, Christian; Galesloot, Tessel E.; Gao, Yan; Gao, Zishan; Geller, Frank; Giannakopoulou, Olga; Giulianini, Franco; Gjesing, Anette P.; Goel, Anuj; Gordon, Scott D.; Gorski, Mathias; Grove, Jakob; Guo, Xiuqing; Gustafsson, Stefan; Haessler, Jeffrey; Hansen, Thomas; Havulinna, Aki S.; Haworth, Simon J.; He, Jing; Heard-Costa, Nancy; Hebbar, Prashantha; Hindy, George; Ho, Yuk-Lam A.; Hofer, Edith; Holliday, Elizabeth; Horn, Katrin; Hornsby, Whitney E.; Hottenga, Jouke-Jan; Huang, Hongyan; Huang, Jie; Huerta-Chagoya, Alicia; Huffman, Jennifer E.; Hung, Yi-Jen; Huo, Shaofeng; Hwang, Mi Yeong; Iha, Hiroyuki; Ikeda, Daisuke D.; Isono, Masato; Jackson, Anne U.; Jäger, Susanne; Jansen, Iris E.; Johansson, Ingegerd; Jonas, Jost B.; Jonsson, Anna; Jørgensen, Torben; Kalafati, Ioanna-Panagiota; Kanai, Masahiro; Kanoni, Stavroula; Kårhus, Line L.; Kasturiratne, Anuradhani; Katsuya, Tomohiro; Kawaguchi, Takahisa; Kember, Rachel L.; Kentistou, Katherine A.; Kim, Han-Na; Kim, Young Jin; Kleber, Marcus E.; Knol, Maria J.; Kurbasic, Azra; Lauzon, Marie; Le, Phuong; Lea, Rodney; Lee, Jong-Young; Leonard, Hampton L.; Li, Shengchao A.; Li, Xiaohui; Li, Xiaoyin; Liang, Jingjing; Lin, Honghuang; Lin, Shih-Yi; Liu, Jun; Liu, Xueping; Lo, Ken Sin; Long, Jirong; Lores-Motta, Laura; Luan, Jian’an; Lyssenko, Valeriya; Lyytikäinen, Leo-Pekka; Mahajan, Anubha; Mamakou, Vasiliki; Mangino, Massimo; Manichaikul, Ani; Marten, Jonathan; Mattheisen, Manuel; Mavarani, Laven; McDaid, Aaron F.; Meidtner, Karina; Melendez, Tori L.; Mercader, Josep M.; Milaneschi, Yuri; Miller, Jason E.; Millwood, Iona Y.; Mishra, Pashupati P.; Mitchell, Ruth E.; Møllehave, Line T.; Morgan, Anna; Mucha, Soeren; Munz, Matthias; Nakatochi, Masahiro; Nelson, Christopher P.; Nethander, Maria; Nho, Chu Won; Nielsen, Aneta A.; Nolte, Ilja M.; Nongmaithem, Suraj S.; Noordam, Raymond; Ntalla, Ioanna; Nutile, Teresa; Pandit, Anita; Christofidou, Paraskevi; Pärna, Katri; Pauper, Marc; Petersen, Eva R. B.; Petersen, Liselotte V.; Pitkänen, Niina; Polašek, Ozren; Poveda, Alaitz; Preuss, Michael H.; Pyarajan, Saiju; Raffield, Laura M.; Rakugi, Hiromi; Ramirez, Julia; Rasheed, Asif; Raven, Dennis; Rayner, Nigel W.; Riveros, Carlos; Rohde, Rebecca; Ruggiero, Daniela; Ruotsalainen, Sanni E.; Ryan, Kathleen A.; Sabater-Lleal, Maria; Saxena, Richa; Scholz, Markus; Sendamarai, Anoop; Shen, Botong; Shi, Jingchunzi; Shin, Jae Hun; Sidore, Carlo; Sitlani, Colleen M.; Slieker, Roderick C.; Smit, Roelof A. J.; Smith, Albert V.; Smith, Jennifer A.; Smyth, Laura J.; Southam, Lorraine; Steinthorsdottir, Valgerdur; Sun, Liang; Takeuchi, Fumihiko; Tallapragada, Divya Sri Priyanka; Taylor, Kent D.; Tayo, Bamidele O.; Tcheandjieu, Catherine; Terzikhan, Natalie; Tesolin, Paola; Teumer, Alexander; Theusch, Elizabeth; Thompson, Deborah J.; Thorleifsson, Gudmar; Timmers, Paul R. H. J.; Trompet, Stella; Turman, Constance; Vaccargiu, Simona; van der Laan, Sander W.; van der Most, Peter J.; van Klinken, Jan B.; van Setten, Jessica; Verma, Shefali S.; Verweij, Niek; Veturi, Yogasudha; Wang, Carol A.; Wang, Chaolong; Wang, Lihua; Wang, Zhe; Warren, Helen R.; Bin Wei, Wen; Wickremasinghe, Ananda R.; Wielscher, Matthias; Wiggins, Kerri L.; Winsvold, Bendik K S; Wong, Andrew; Wu, Yang; Wuttke, Matthias; Xia, Rui; Xie, Tian; Yamamoto, Ken; Yang, Jingyun; Yao, Jie; Young, Hannah; Yousri, Noha A.; Yu, Lei; Zeng, Lingyao; Zhang, Weihua; Zhang, Xinyuan; Zhao, Jing-Hua; Zhao, Wei; Zhou, Wei; Zimmermann, Martina E.; Zoledziewska, Magdalena; Adair, Linda S.; Adams, Hieab H. H.; Aguilar-Salinas, Carlos A.; Al-Mulla, Fahd; Arnett, Donna K.; Asselbergs, Folkert W.; Åsvold, Bjørn Olav; Attia, John; Banas, Bernhard; Bandinelli, Stefania; Bennett, David A.; Bergler, Tobias; Bharadwaj, Dwaipayan; Biino, Ginevra; Bisgaard, Hans; Boerwinkle, Eric; Böger, Carsten A.; Bønnelykke, Klaus; Boomsma, Dorret I.; Børglum, Anders D.; Borja, Judith B.; Bouchard, Claude; Bowden, Donald W.; Brandslund, Ivan; Brumpton, Ben Michael; Buring, Julie E.; Caulfield, Mark J.; Chambers, John C.; Chandak, Giriraj R.; Chanock, Stephen J.; Chaturvedi, Nish; Chen, Yii-Der Ida; Chen, Zhengming; Cheng, Ching-Yu; Christophersen, Ingrid E.; Ciullo, Marina; Cole, John W.; Collins, Francis S.; Cooper, Richard S.; Cruz, Miguel; Cucca, Francesco; Cupples, L. Adrienne; Cutler, Michael J.; Damrauer, Scott M.; Dantoft, Thomas M.; de Borst, Gert J.; de Groot, Lisette C. P. G. M.; De Jager, Philip L.; de Kleijn, Dominique P. V.; Janaka de Silva, de; Dedoussis, George V.; den Hollander, Anneke I.; Du, Shufa; Easton, Douglas F.; Elders, Petra J. M.; Eliassen, A. Heather; Ellinor, Patrick T.; Elmståhl, Sölve; Erdmann, Jeanette; Evans, Michele K.; Fatkin, Diane; Feenstra, Bjarke; Feitosa, Mary F.; Ferrucci, Luigi; Ford, Ian; Fornage, Myriam; Franke, Andre; Franks, Paul W.; Freedman, Barry I.; Gasparini, Paolo; Gieger, Christian; Girotto, Giorgia; Goddard, Michael E.; Golightly, Yvonne M.; Gonzalez-Villalpando, Clicerio; Gordon-Larsen, Penny; Grallert, Harald; Grant, Struan F. A.; Grarup, Niels; Griffiths, Lyn; Gudnason, Vilmundur; Haiman, Christopher; Hakonarson, Hakon; Hansen, Torben; Hartman, Catharina A.; Hattersley, Andrew T.; Hayward, Caroline; Heckbert, Susan R.; Heng, Chew-Kiat; Hengstenberg, Christian; Hewitt, Alex W.; Hishigaki, Haretsugu; Hoyng, Carel B.; Huang, Paul L.; Huang, Wei; Hunt, Steven C.; Hveem, Kristian; Hyppönen, Elina; Iacono, William G.; Ichihara, Sahoko; Ikram, M. Arfan; Isasi, Carmen R.; Jackson, Rebecca D.; Jarvelin, Marjo-Riitta; Jin, Zi-Bing; Jöckel, Karl-Heinz; Joshi, Peter K.; Jousilahti, Pekka; Jukema, J. Wouter; Kähönen, Mika; Kamatani, Yoichiro; Kang, Kui Dong; Kaprio, Jaakko; Kardia, Sharon L. R.; Karpe, Fredrik; Kato, Norihiro; Kee, Frank; Kessler, Thorsten; Khera, Amit V.; Khor, Chiea Chuen; Kiemeney, Lambertus A. L. M.; Kim, Bong-Jo; Kim, Eung Kweon; Kim, Hyung-Lae; Kirchhof, Paulus; Kivimaki, Mika; Koh, Woon-Puay; Koistinen, Heikki A.; Kolovou, Genovefa D.; Kooner, Jaspal S.; Kooperberg, Charles; Köttgen, Anna; Kovacs, Peter; Kraaijeveld, Adriaan; Kraft, Peter; Krauss, Ronald M.; Kumari, Meena; Kutalik, Zoltan; Laakso, Markku; Lange, Leslie A.; Langenberg, Claudia; Launer, Lenore J.; Le Marchand, Loic; Lee, Hyejin; Lee, Nanette R.; Lehtimäki, Terho; Li, Huaixing; Li, Liming; Lieb, Wolfgang; Lin, Xu; Lind, Lars; Linneberg, Allan; Liu, Ching-Ti; Liu, Jianjun; Loeffler, Markus; London, Barry; Lubitz, Steven A.; Lye, Stephen J.; Mackey, David A.; Mägi, Reedik; Magnusson, Patrik K. E.; Marcus, Gregory M.; Vidal, Pedro Marques; Martin, Nicholas G.; März, Winfried; Matsuda, Fumihiko; McGarrah, Robert W.; McGue, Matt; McKnight, Amy Jayne; Medland, Sarah E.; Mellström, Dan; Metspalu, Andres; Mitchell, Braxton D.; Mitchell, Paul; Mook-Kanamori, Dennis O.; Morris, Andrew D.; Mucci, Lorelei A.; Munroe, Patricia B.; Nalls, Mike A.; Nazarian, Saman; Nelson, Amanda E.; Neville, Matt J.; Newton-Cheh, Christopher; Nielsen, Christopher Sivert; Nöthen, Markus M.; Ohlsson, Claes; Oldehinkel, Albertine J.; Orozco, Lorena; Pahkala, Katja; Pajukanta, Päivi; Palmer, Colin N. A.; Parra, Esteban J.; Pattaro, Cristian; Pedersen, Oluf; Pennell, Craig E.; Penninx, Brenda W. J. H.; Perusse, Louis; Peters, Annette; Peyser, Patricia A.; Porteous, David J.; Posthuma, Danielle; Power, Chris; Pramstaller, Peter P.; Province, Michael A.; Qi, Qibin; Qu, Jia; Rader, Daniel J.; Raitakari, Olli T.; Ralhan, Sarju; Rallidis, Loukianos S.; Rao, Dabeeru C.; Redline, Susan; Reilly, Dermot F.; Reiner, Alexander P.; Rhee, Sang Youl; Ridker, Paul M.; Rienstra, Michiel; Ripatti, Samuli; Ritchie, Marylyn D.; Roden, Dan M.; Rosendaal, Frits Richard; Rotter, Jerome I.; Rudan, Igor; Rutters, Femke; Sabanayagam, Charumathi; Saleheen, Danish; Salomaa, Veikko; Samani, Nilesh J.; Sanghera, Dharambir K.; Sattar, Naveed; Schmidt, Börge; Schmidt, Helena; Schmidt, Reinhold; Schulze, Matthias B.; Schunkert, Heribert; Scott, Laura J.; Scott, Rodney J.; Sever, Peter; Shiroma, Eric J.; Shoemaker, M. Benjamin; Shu, Xiao-Ou; Simonsick, Eleanor M.; Sims, Mario; Singh, Jai Rup; Singleton, Andrew B.; Sinner, Moritz F.; Smith, J. Gustav; Snieder, Harold; Spector, Tim D.; Stampfer, Meir J.; Stark, Klaus J.; Strachan, David P.; ‘t Hart, Leen M.; Tabara, Yasuharu; Tang, Hua; Tardif, Jean-Claude; Thanaraj, Thangavel A.; Timpson, Nicholas J.; Tönjes, Anke; Tremblay, Angelo; Tuomi, Tiinamaija; Tuomilehto, Jaakko; Tusié-Luna, Maria-Teresa; Uitterlinden, Andre G.; van Dam, Rob M.; van der Harst, Pim; Van der Velde, Nathalie; van Duijn, Cornelia M.; van Schoor, Natasja M.; Vitart, Veronique; Völker, Uwe; Vollenweider, Peter; Völzke, Henry; Wacher-Rodarte, Niels H.; Walker, Mark; Wang, Ya Xing; Wareham, Nicholas J.; Watanabe, Richard M.; Watkins, Hugh; Weir, David R.; Werge, Thomas M.; Widen, Elisabeth; Wilkens, Lynne R.; Willemsen, Gonneke; Willett, Walter C.; Wilson, James F.; Wong, Tien-Yin; Woo, Jeong-Taek; Wright, Alan F.; Wu, Jer-Yuarn; Xu, Huichun; Yajnik, Chittaranjan S.; Yokota, Mitsuhiro; Yuan, Jian-Min; Zeggini, Eleftheria; Zemel, Babette S.; Zheng, Wei; Zhu, Xiaofeng; Zmuda, Joseph M.; Zonderman, Alan B.; Zwart, John Anker Henrik; Partida, Gabriel Cuellar; Sun, Yan; Croteau-Chonka, Damien; Vonk, Judith M.; Chanock, Stephen; Chasman, Daniel I.; Cho, Yoon Shin; Heid, Iris M.; McCarthy, Mark I.; Ng, Maggie C. Y.; O’Donnell, Christopher J.; Rivadeneira, Fernando; Thorsteinsdottir, Unnur; Sun, Yan V.; Tai, E. Shyong; Boehnke, Michael; Deloukas, Panos; Justice, Anne E.; Lindgren, Cecilia M.; Loos, Ruth J. F.; Mohlke, Karen L.; North, Kari E.; Stefansson, Kari; Walters, Robin G.; Winkler, Thomas W.; Young, Kristin L.; Loh, Po-Ru; Yang, Jian; Esko, Tõnu; Assimes, Themistocles L.; Auton, Adam; Abecasis, Goncalo R.; Willer, Cristen J.; Locke, Adam E.; Berndt, Sonja I.; Lettre, Guillaume; Frayling, Timothy M.; Okada, Yukinori; Wood, Andrew R.; Hirschhorn, Joel N. (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-12)
      Common single-nucleotide polymorphisms (SNPs) are predicted to collectively explain 40–50% of phenotypic variation in human height, but identifying the specifc variants and associated regions requires huge sample sizes1 . Here, using data from a genome-wide association study of 5.4 million individuals of diverse ancestries, we show that 12,111 independent SNPs that are signifcantly associated ...