User profiles for Christopher Turnbull

Christopher David Turnbull

Honorary Researcher, University of Oxford
Verified email at msd.ox.ac.uk
Cited by 2703

[HTML][HTML] COVID-19 mortality in patients with cancer on chemotherapy or other anticancer treatments: a prospective cohort study

…, S Sivakumar, AJ Smith, T Starkey, CD Turnbull… - The Lancet, 2020 - thelancet.com
Background Individuals with cancer, particularly those who are receiving systemic anticancer
treatments, have been postulated to be at increased risk of mortality from COVID-19. This …

[HTML][HTML] COVID-19 prevalence and mortality in patients with cancer and the effect of primary tumour subtype and patient demographics: a prospective cohort study

…, AJ Smith, O Topping, CD Turnbull… - The Lancet …, 2020 - thelancet.com
Background Patients with cancer are purported to have poor COVID-19 outcomes. However,
cancer is a heterogeneous group of diseases, encompassing a spectrum of tumour …

Night‐to‐night variability of obstructive sleep apnea

…, EI Schwarz, SR Haile, CD Turnbull… - Journal of sleep …, 2017 - Wiley Online Library
One night of a sleep study is the standard for diagnosis and exclusion of obstructive sleep
apnea. Single testing requires high sensitivity of the test method and a stable disease of …

Circadian rest‐activity rhythm is altered in Parkinson's disease patients with hallucinations

…, ADM Davies, JR Playfer, CJ Turnbull - … : official journal of the …, 2008 - Wiley Online Library
The sleep‐wake cycle in Parkinson's Disease (PD) is profoundly disrupted, but less is known
about circadian rhythm in PD and its relationship to other important clinical features. This …

Continuous positive airway pressure versus standard care for the treatment of people with mild obstructive sleep apnoea (MERGE): a multicentre, randomised …

AJ Wimms, JL Kelly, CD Turnbull… - The Lancet …, 2020 - thelancet.com
Background The evidence base for the treatment of mild obstructive sleep apnoea is limited
and definitions of disease severity vary. The MERGE trial investigated the clinical …

Effect of supplemental oxygen on blood pressure in obstructive sleep apnea (SOX). A randomized continuous positive airway pressure withdrawal trial

CD Turnbull, D Sen, M Kohler, N Petousi… - American journal of …, 2019 - atsjournals.org
Rationale: Obstructive sleep apnea (OSA) is associated with systemic hypertension. Either
overnight intermittent hypoxia, or the recurrent arousals that occur in OSA, could cause the …

Successful awake proning is associated with improved clinical outcomes in patients with COVID-19: single-centre high-dependency unit experience

…, PJD Elder, SB Evans, CD Turnbull… - BMJ open …, 2020 - bmjopenrespres.bmj.com
The SARS-CoV-2 can lead to severe illness with COVID-19. Outcomes of patients requiring
mechanical ventilation are poor. Awake proning in COVID-19 improves oxygenation, but on …

Assessing caregiving distress: A conceptual analysis and a brief scale

R Cousins, ADM Davies, CJ Turnbull… - British Journal of …, 2002 - Wiley Online Library
Objectives: Although it is well known that informal caregiving can have negative outcomes,
and is an important factor in institutionalization, there is currently no common model to assess …

Obstructive sleep apnoea

SD West, C Turnbull - Eye, 2018 - nature.com
Obstructive sleep apnoea (OSA) is increasing in prevalence due to rising obesity. While OSA
is a disorder primarily of the upper airway during sleep, its pathophysiological impact on …

[HTML][HTML] Intermittent hypoxia, cardiovascular disease and obstructive sleep apnoea

CD Turnbull - Journal of thoracic disease, 2018 - ncbi.nlm.nih.gov
Obstructive sleep apnoea (OSA) is a common disorder and is associated with cardiovascular
disease. Continuous positive airway pressure (CPAP), whilst reducing blood pressure, has …