Surveillance of infection severity: a registry study of laboratory diagnosed Clostridium difficile.

by Iryna Schlackow, A Sarah Walker, Kate Dingle, David Griffiths, Sarah Oakley, John Finney, Ali Vaughan, Martin J Gill, Derrick W Crook, Tim E A Peto, David H Wyllie
Published 2012-01-01

Implementing interventions to reduce antibiotic use: a qualitative study in high-prescribing practices

by Aleksandra J. Borek, Anne Campbell, Elle Dent, Christopher C. Butler, Alison Holmes, Michael Moore, A. Sarah Walker, Monsey McLeod, Sarah Tonkin-Crine, on behalf of the STEP-UP study team
Published 2021-01-01

Excellent adherence to antiretrovirals in HIV+ Zambian children is compromised by disrupted routine, HIV nondisclosure, and paradoxical income effects.

by Jessica E Haberer, Adrian Cook, A Sarah Walker, Marjorie Ngambi, Alex Ferrier, Veronica Mulenga, Cissy Kityo, Margaret Thomason, Desiree Kabamba, Chifumbe Chintu, Diana M Gibb, David R Bangsberg
Published 2011-04-01

Development of an intervention to support the implementation of evidence-based strategies for optimising antibiotic prescribing in general practice

by Aleksandra J. Borek, Anne Campbell, Elle Dent, Michael Moore, Christopher C. Butler, Alison Holmes, A. Sarah Walker, Monsey McLeod, Sarah Tonkin-Crine, on behalf of the STEP-UP study team
Published 2021-09-01

Clostridium difficile trehalose metabolism variants are common and not associated with adverse patient outcomes when variably present in the same lineageResearch in context

by David W. Eyre, Xavier Didelot, Anthony M. Buckley, Jane Freeman, Ines B. Moura, Derrick W. Crook, Tim E.A. Peto, A. Sarah Walker, Mark H. Wilcox, Kate E. Dingle
Published 2019-05-01

High level of viral suppression and low switch rate to second-line antiretroviral therapy among HIV-infected adult patients followed over five years: retrospective analysis of the...

by Cissy Kityo, Diana M Gibb, Charles F Gilks, Ruth L Goodall, Ivan Mambule, Pontiano Kaleebu, Deenan Pillay, Ronnie Kasirye, Peter Mugyenyi, A Sarah Walker, David T Dunn, DART Trial Team
Published 2014-01-01

Using hospital network-based surveillance for antimicrobial resistance as a more robust alternative to self-reporting.

by Tjibbe Donker, Timo Smieszek, Katherine L Henderson, Timothy M Walker, Russell Hope, Alan P Johnson, Neil Woodford, Derrick W Crook, Tim E A Peto, A Sarah Walker, Julie V Robotham
Published 2019-01-01

Social and Contextual Influences on Antibiotic Prescribing and Antimicrobial Stewardship: A Qualitative Study with Clinical Commissioning Group and General Practice Professionals

by Aleksandra J. Borek, Sibyl Anthierens, Rosalie Allison, Cliodna A. M. Mcnulty, Philip E. Anyanwu, Ceire Costelloe, A. Sarah Walker, Christopher C. Butler, Sarah Tonkin-Crine, on behalf of the STEP-UP study team
Published 2020-12-01

Short-term genome stability of serial Clostridium difficile ribotype 027 isolates in an experimental gut model and recurrent human disease.

by David W Eyre, A Sarah Walker, Jane Freeman, Simon D Baines, Warren N Fawley, Caroline H Chilton, David Griffiths, Alison Vaughan, Derrick W Crook, Tim E A Peto, Mark H Wilcox
Published 2013-01-01

A single CD4 test with 250 cells/mm3 threshold predicts viral suppression in HIV-infected adults failing first-line therapy by clinical criteria.

by Charles F Gilks, A Sarah Walker, Paula Munderi, Cissy Kityo, Andrew Reid, Elly Katabira, Ruth L Goodall, Heiner Grosskurth, Peter Mugyenyi, James Hakim, Diana M Gibb, DART Virology Group and Trial Team
Published 2013-01-01

Predicting patterns of long-term CD4 reconstitution in HIV-infected children starting antiretroviral therapy in sub-Saharan Africa: a cohort-based modelling study.

by Marie-Quitterie Picat, Joanna Lewis, Victor Musiime, Andrew Prendergast, Kusum Nathoo, Addy Kekitiinwa, Patricia Nahirya Ntege, Diana M Gibb, Rodolphe Thiebaut, A Sarah Walker, Nigel Klein, Robin Callard, ARROW Trial Team
Published 2013-10-01

The relative importance of large problems far away versus small problems closer to home: insights into limiting the spread of antimicrobial resistance in England

by Tjibbe Donker, Katherine L. Henderson, Katie L. Hopkins, Andrew R. Dodgson, Stephanie Thomas, Derrick W. Crook, Tim E. A. Peto, Alan P. Johnson, Neil Woodford, A. Sarah Walker, Julie V. Robotham
Published 2017-04-01

Why do hospital prescribers continue antibiotics when it is safe to stop? Results of a choice experiment survey

by Laurence S. J. Roope, James Buchanan, Liz Morrell, Koen B. Pouwels, Katy Sivyer, Fiona Mowbray, Lucy Abel, Elizabeth L. A. Cross, Lucy Yardley, Tim Peto, A. Sarah Walker, Martin J. Llewelyn, Sarah Wordsworth
Published 2020-07-01

Thymic Output and CD4 T-Cell Reconstitution in HIV-Infected Children on Early and Interrupted Antiretroviral Treatment: Evidence from the Children with HIV Early Antiretroviral The...

by Joanna Lewis, Joanna Lewis, Helen Payne, A. Sarah Walker, Kennedy Otwombe, Diana M. Gibb, Abdel G. Babiker, Ravindre Panchia, Mark F. Cotton, Avy Violari, Nigel Klein, Robin E. Callard, Robin E. Callard
Published 2017-09-01

Characterisation of Clostridium difficile hospital ward-based transmission using extensive epidemiological data and molecular typing.

by A Sarah Walker, David W Eyre, David H Wyllie, Kate E Dingle, Rosalind M Harding, Lily O'Connor, David Griffiths, Ali Vaughan, John Finney, Mark H Wilcox, Derrick W Crook, Tim E A Peto
Published 2012-02-01

Delayed Antibiotic Prescription by General Practitioners in the UK: A Stated-Choice Study

by Liz Morrell, James Buchanan, Laurence S. J. Roope, Koen B. Pouwels, Christopher C. Butler, Benedict Hayhoe, Michael V. Moore, Sarah Tonkin-Crine, Monsey McLeod, Julie V. Robotham, A. Sarah Walker, Sarah Wordsworth, on behalf of the STEPUP team
Published 2020-09-01

‘Caveat emptor’: the cautionary tale of endocarditis and the potential pitfalls of clinical coding data—an electronic health records study

by Nicola Fawcett, Bernadette Young, Leon Peto, T. Phuong Quan, Richard Gillott, Jianhua Wu, Chris Middlemass, Sheila Weston, Derrick W. Crook, Tim E. A. Peto, Berit Muller-Pebody, Alan P. Johnson, A. Sarah Walker, Jonathan A. T. Sandoe
Published 2019-09-01

Can rapid integrated polymerase chain reaction-based diagnostics for gastrointestinal pathogens improve routine hospital infection control practice? A diagnostic study

by Louise Pankhurst, Louissa Macfarlane-Smith, James Buchanan, Luke Anson, Kerrie Davies, Lily O’Connor, Helen Ashwin, Graham Pike, Kate E Dingle, Timothy EA Peto, Sarah Wordsworth, A Sarah Walker, Mark H Wilcox, Derrick W Crook
Published 2014-08-01

Clinical Clostridium difficile: clonality and pathogenicity locus diversity.

by Kate E Dingle, David Griffiths, Xavier Didelot, Jessica Evans, Alison Vaughan, Melina Kachrimanidou, Nicole Stoesser, Keith A Jolley, Tanya Golubchik, Rosalind M Harding, Tim E Peto, Warren Fawley, A Sarah Walker, Mark Wilcox, Derrick W Crook
Published 2011-01-01

The immunological and virological consequences of planned treatment interruptions in children with HIV infection.

by Nigel Klein, Delali Sefe, Ilaria Mosconi, Marisa Zanchetta, Hannah Castro, Marianne Jacobsen, Hannah Jones, Stefania Bernardi, Deenan Pillay, Carlo Giaquinto, A Sarah Walker, Diana M Gibb, Anita De Rossi, Paediatric European Network for Treatment of AIDS 11 Trial Team
Published 2013-01-01