Roger Kalla

Affiliations

Institute of Health Economics and Clinical Epidemiology, Cologne University Hospital, Cologne, Germany.

Publications (19)

Characteristics and resource needs in patients with vestibular symptoms: a comparison of patients with symptoms of unknown versus determined origin.

BMC emergency medicine

Avec: Martin Müller , Martina B Goeldlin , Janika Gaschen , Thomas C Sauter , Stephanie Stock , Franca Wagner , Aristomenis K Exadaktylos , Urs Fischer , Roger Kalla , Georgios Mantokoudis

Effects of Acetyl-DL-Leucine on Ataxia and Downbeat-Nystagmus in Six Patients With Ataxia Telangiectasia.

Journal of child neurology

Avec: Adriana Brueggemann , Antonela Bicvic , Martina Goeldlin , Roger Kalla , Hassen Kerkeni , Georgios Mantokoudis , Mathias Abegg , Miriam Kolníková , Markus Mohaupt , Tatiana Bremova-Ertl

Paradigm shift in acute dizziness: is caloric testing obsolete?

Journal of neurology

Avec: Miranda Morrison , Athanasia Korda , Ewa Zamaro , Franca Wagner , Marco D Caversaccio , Thomas C Sauter , Roger Kalla , Georgios Mantokoudis

Systemic Inflammation in Preclinical Ulcerative Colitis.

Gastroenterology

Avec: Daniel Bergemalm , Erik Andersson , Johan Hultdin , Carl Eriksson , Stephen T Rush , Rahul Kalla , Alex T Adams , Åsa V Keita , Mauro D'Amato , Fernando Gomollon , Jørgen Jahnsen , Auteur inconnu , Petr Ricanek , Jack Satsangi , Dirk Repsilber , Pontus Karling , Jonas Halfvarson

What neuro-otology specialists need for better care of dizzy patients: a national survey.

Frontiers in neurology

Avec: Georgios Mantokoudis , Andreas Zwergal , Dik Heg , Hassen Kerkeni , Suzie Diener , Roger Kalla , Athanasia Korda , Claudia Candreia , Antje Welge-Lüssen , Alexander Andrea Tarnutzer

The role of implants and implant prostheses on the accuracy and artifacts of cone-beam computed tomography: an in-vitro study.

Scientific reports

Avec: Balwant Singh Gurjar , Vineet Sharma , Jyoti Paliwal , Rajani Kalla , Kamal Kumar Meena , Mohammed Tahir

Intake of Ultra-processed Foods Is Associated with an Increased Risk of Crohn's Disease: A Cross-sectional and Prospective Analysis of 187 154 Participants in the UK Biobank.

Journal of Crohn's & colitis

Avec: Jie Chen , Judith Wellens , Rahul Kalla , Tian Fu , Minzi Deng , Han Zhang , Shuai Yuan , Xiaoyan Wang , Evropi Theodoratou , Xue Li , Jack Satsangi

Whole Blood Profiling of T-cell-Derived microRNA Allows the Development of Prognostic models in Inflammatory Bowel Disease.

Journal of Crohn's & colitis

Avec: R Kalla , A T Adams , N T Ventham , N A Kennedy , R White , C Clarke , A Ivens , D Bergemalm , S Vatn , B Lopez-Jimena , Auteur inconnu , P Ricanek , M H Vatn , Johan D Söderholm , F Gomollón , J K Nowak , J Jahnsen , J Halfvarson , S McTaggart , G T Ho , A Buck , J Satsangi

Ulcerative colitis: Recent advances in the understanding of disease pathogenesis.

F1000Research

Avec: Ross J Porter , Rahul Kalla , Gwo-Tzer Ho

Mucosal Gene Transcript Signatures in Treatment Naïve Inflammatory Bowel Disease: A Comparative Analysis of Disease to Symptomatic and Healthy Controls in the European IBD-Character Cohort.

Clinical and experimental gastroenterology

Avec: Simen Svendsen Vatn , Jonas Christoffer Lindstrøm , Aina E F Moen , Stephan Brackmann , Tone M Tannæs , Christine Olbjørn , Daniel Bergemalm , Åsa V Keita , Fernando Gomollon , Trond Espen Detlie , Torben Lüders , Rahul Kalla , Alex Adams , Jack Satsangi , Jørgen Jahnsen , Morten H Vatn , Jonas Halfvarson , Petr Ricanek , Hilde Nilsen , Auteur inconnu

Do monosymptomatic stroke patients with dizziness present a vestibular syndrome without nystagmus? An underestimated entity.

European journal of neurology

Avec: Florence Nikles , Hassen Kerkeni , Ewa Zamaro , Athanasia Korda , Franca Wagner , Thomas C Sauter , Roger Kalla , Miranda Morrison , Georgios Mantokoudis

Unilateral corneal arcus and conjunctival vessel alterations in cranial autonomic dysregulation: A case report.

European journal of ophthalmology

Avec: Muriel Dysli , Mathias Abegg , Hassen Kerkeni , Roger Kalla , Christoph Tappeiner

Efficacy of the oral nucleoside prodrug GS-5245 (Obeldesivir) against SARS-CoV-2 and coronaviruses with pandemic potential.

bioRxiv : the preprint server for biology

Avec: David R Martinez , Fernando R Moreira , Mark R Zweigart , Kendra L Gully , Gabriela De la Cruz , Ariane J Brown , Lily E Adams , Nicholas Catanzaro , Boyd Yount , Thomas J Baric , Michael L Mallory , Helen Conrad , Samantha R May , Stephanie Dong , D Trevor Scobey , Stephanie A Montgomery , Jason Perry , Darius Babusis , Kimberly T Barrett , Anh-Hoa Nguyen , Anh-Quan Nguyen , Rao Kalla , Roy Bannister , John P Bilello , Joy Y Feng , Tomas Cihlar , Ralph S Baric , Richard L Mackman , Alexandra Schäfer , Timothy P Sheahan

Tailoring follow-up endoscopy in patients with severe oesophagitis.

Frontline gastroenterology

Avec: Rebecca K Grant , William M Brindle , Caitlyn L Taylor , Edward J Rycroft , Oluwadara Oyewole , Sarah C Morgan , Eleanor F Watson , Atul Anand , Norma C McAvoy , Ian D Penman , Nicholas I Church , Kenneth C Trimble , Colin L Noble , John N Plevris , Gail S M Masterton , Rahul Kalla

Impaired fixation suppression of horizontal vestibular nystagmus during smooth pursuit: pathophysiology and clinical implications.

European journal of neurology

Avec: Athanasia Korda , David S Zee , Thomas Wyss , Ewa Zamaro , Marco D Caversaccio , Franca Wagner , Roger Kalla , Georgios Mantokoudis

Conjugate Eye Deviation in Unilateral Lateral Medullary Infarction.

Journal of clinical neurology (Seoul, Korea)

Avec: Julian Teufel , Michael Strupp , Jennifer Linn , Roger Kalla , Katharina Feil

Influence of surface modification of titanium implants on improving osseointegration: An in vitro study.

The Journal of prosthetic dentistry

Avec: Mohini Gajiwala , Jyoti Paliwal , Syed Yawer Husain , Ashish Dadarwal , Rajni Kalla , Vineet Sharma , Meenakshi Sharma

The Contribution of Genetic Risk and Lifestyle Factors in the Development of Adult-Onset Inflammatory Bowel Disease: A Prospective Cohort Study.

The American journal of gastroenterology

Avec: Yuhao Sun , Shuai Yuan , Xuejie Chen , Jing Sun , Rahul Kalla , Lili Yu , Lijuan Wang , Xuan Zhou , Xiangxing Kong , Therese Hesketh , Gwo-Tzer Ho , Kefeng Ding , Malcolm Dunlop , Susanna C Larsson , Jack Satsangi , Jie Chen , Xiaoyan Wang , Xue Li , Evropi Theodoratou , Edward L Giovannucci

Genome-Wide Methylation Profiling in 229 Patients With Crohn's Disease Requiring Intestinal Resection: Epigenetic Analysis of the Trial of Prevention of Post-operative Crohn's Disease (TOPPIC).

Cellular and molecular gastroenterology and hepatology

Avec: Nicholas T Ventham , Nicholas A Kennedy , Rahul Kalla , Alex T Adams , Alexandra Noble , Holly Ennis , Auteur inconnu , Auteur inconnu , Craig Mowat , Malcolm G Dunlop , Jack Satsangi

Réseau de co-auteurs

Rahul Kalla 7 collaborations

Georgios Mantokoudis 6 collaborations

None None 5 collaborations

Jack Satsangi 5 collaborations

Franca Wagner 4 collaborations

Hassen Kerkeni 4 collaborations

Athanasia Korda 4 collaborations

Thomas C Sauter 3 collaborations

Ewa Zamaro 3 collaborations

Mathias Abegg 2 collaborations

Miranda Morrison 2 collaborations

Marco D Caversaccio 2 collaborations

Daniel Bergemalm 2 collaborations

Alex T Adams 2 collaborations

Åsa V Keita 2 collaborations

Fernando Gomollon 2 collaborations

Jørgen Jahnsen 2 collaborations

Petr Ricanek 2 collaborations

Jonas Halfvarson 2 collaborations

Vineet Sharma 2 collaborations

Jyoti Paliwal 2 collaborations

Jie Chen 2 collaborations

Shuai Yuan 2 collaborations

Xiaoyan Wang 2 collaborations

Evropi Theodoratou 2 collaborations

Xue Li 2 collaborations

Gwo-Tzer Ho 2 collaborations

Martin Müller 1 collaboration

Martina B Goeldlin 1 collaboration

Janika Gaschen 1 collaboration

Stephanie Stock 1 collaboration

Aristomenis K Exadaktylos 1 collaboration

Urs Fischer 1 collaboration

Adriana Brueggemann 1 collaboration

Antonela Bicvic 1 collaboration

Martina Goeldlin 1 collaboration

Miriam Kolníková 1 collaboration

Markus Mohaupt 1 collaboration

Tatiana Bremova-Ertl 1 collaboration

Erik Andersson 1 collaboration

Johan Hultdin 1 collaboration

Carl Eriksson 1 collaboration

Stephen T Rush 1 collaboration

Mauro D'Amato 1 collaboration

Dirk Repsilber 1 collaboration

Pontus Karling 1 collaboration

Andreas Zwergal 1 collaboration

Dik Heg 1 collaboration

Suzie Diener 1 collaboration

Claudia Candreia 1 collaboration

Antje Welge-Lüssen 1 collaboration

Alexander Andrea Tarnutzer 1 collaboration

Balwant Singh Gurjar 1 collaboration

Rajani Kalla 1 collaboration

Kamal Kumar Meena 1 collaboration

Mohammed Tahir 1 collaboration

Judith Wellens 1 collaboration

Tian Fu 1 collaboration

Minzi Deng 1 collaboration

Han Zhang 1 collaboration

R Kalla 1 collaboration

A T Adams 1 collaboration

N T Ventham 1 collaboration

N A Kennedy 1 collaboration

R White 1 collaboration

C Clarke 1 collaboration

A Ivens 1 collaboration

D Bergemalm 1 collaboration

S Vatn 1 collaboration

B Lopez-Jimena 1 collaboration

P Ricanek 1 collaboration

M H Vatn 1 collaboration

Johan D Söderholm 1 collaboration

F Gomollón 1 collaboration

J K Nowak 1 collaboration

J Jahnsen 1 collaboration

J Halfvarson 1 collaboration

S McTaggart 1 collaboration

G T Ho 1 collaboration

A Buck 1 collaboration

J Satsangi 1 collaboration

Ross J Porter 1 collaboration

Simen Svendsen Vatn 1 collaboration

Jonas Christoffer Lindstrøm 1 collaboration

Aina E F Moen 1 collaboration

Stephan Brackmann 1 collaboration

Tone M Tannæs 1 collaboration

Christine Olbjørn 1 collaboration

Trond Espen Detlie 1 collaboration

Torben Lüders 1 collaboration

Alex Adams 1 collaboration

Morten H Vatn 1 collaboration

Hilde Nilsen 1 collaboration

Florence Nikles 1 collaboration

Muriel Dysli 1 collaboration

Christoph Tappeiner 1 collaboration

David R Martinez 1 collaboration

Fernando R Moreira 1 collaboration

Mark R Zweigart 1 collaboration

Kendra L Gully 1 collaboration

Gabriela De la Cruz 1 collaboration

Ariane J Brown 1 collaboration

Lily E Adams 1 collaboration

Nicholas Catanzaro 1 collaboration

Boyd Yount 1 collaboration

Thomas J Baric 1 collaboration

Michael L Mallory 1 collaboration

Helen Conrad 1 collaboration

Samantha R May 1 collaboration

Stephanie Dong 1 collaboration

D Trevor Scobey 1 collaboration

Stephanie A Montgomery 1 collaboration

Jason Perry 1 collaboration

Darius Babusis 1 collaboration

Kimberly T Barrett 1 collaboration

Anh-Hoa Nguyen 1 collaboration

Anh-Quan Nguyen 1 collaboration

Rao Kalla 1 collaboration

Roy Bannister 1 collaboration

John P Bilello 1 collaboration

Joy Y Feng 1 collaboration

Tomas Cihlar 1 collaboration

Ralph S Baric 1 collaboration

Richard L Mackman 1 collaboration

Alexandra Schäfer 1 collaboration

Timothy P Sheahan 1 collaboration

Rebecca K Grant 1 collaboration

William M Brindle 1 collaboration

Caitlyn L Taylor 1 collaboration

Edward J Rycroft 1 collaboration

Oluwadara Oyewole 1 collaboration

Sarah C Morgan 1 collaboration

Eleanor F Watson 1 collaboration

Atul Anand 1 collaboration

Norma C McAvoy 1 collaboration

Ian D Penman 1 collaboration

Nicholas I Church 1 collaboration

Kenneth C Trimble 1 collaboration

Colin L Noble 1 collaboration

John N Plevris 1 collaboration

Gail S M Masterton 1 collaboration

David S Zee 1 collaboration

Thomas Wyss 1 collaboration

Julian Teufel 1 collaboration

Michael Strupp 1 collaboration

Jennifer Linn 1 collaboration

Katharina Feil 1 collaboration

Mohini Gajiwala 1 collaboration

Syed Yawer Husain 1 collaboration

Ashish Dadarwal 1 collaboration

Rajni Kalla 1 collaboration

Meenakshi Sharma 1 collaboration

Yuhao Sun 1 collaboration

Xuejie Chen 1 collaboration

Jing Sun 1 collaboration

Lili Yu 1 collaboration

Lijuan Wang 1 collaboration

Xuan Zhou 1 collaboration

Xiangxing Kong 1 collaboration

Therese Hesketh 1 collaboration

Kefeng Ding 1 collaboration

Malcolm Dunlop 1 collaboration

Susanna C Larsson 1 collaboration

Edward L Giovannucci 1 collaboration

Nicholas T Ventham 1 collaboration

Nicholas A Kennedy 1 collaboration

Alexandra Noble 1 collaboration

Holly Ennis 1 collaboration

Craig Mowat 1 collaboration

Malcolm G Dunlop 1 collaboration