User profiles for A. Singanayagam

Aran Singanayagam

- Verified email at imperial.ac.uk - Cited by 8719

Anika Singanayagam

- Verified email at imperial.ac.uk - Cited by 3262

Severity assessment tools for predicting mortality in hospitalised patients with community-acquired pneumonia. Systematic review and meta-analysis

JD Chalmers, A Singanayagam, AR Akram, P Mandal… - Thorax, 2010 - thorax.bmj.com
Introduction International guidelines recommend a severity-based approach to management
in community-acquired pneumonia. CURB65, CRB65 and the Pneumonia Severity Index (…

Severity assessment tools to guide ICU admission in community-acquired pneumonia: systematic review and meta-analysis

JD Chalmers, P Mandal, A Singanayagam… - Intensive care …, 2011 - Springer
Background The aim of this meta-analysis was to determine if severity assessment tools can
be used to guide decisions regarding intensive care unit (ICU) admission of patients with …

Lung microbiology and exacerbations in COPD

V Beasley, PV Joshi, A Singanayagam… - … journal of chronic …, 2012 - Taylor & Francis
Chronic obstructive pulmonary disease (COPD) is the most common chronic respiratory
condition in adults and is characterized by progressive airflow limitation that is not fully reversible…

[PDF][PDF] Immunosuppression for hyperinflammation in COVID-19: a double-edged sword

AI Ritchie, A Singanayagam - Lancet, 2020 - udruzenjepedijatara.rs
Mehta and colleagues1 postulate that hyperinflammation in coronavirus disease 2019 (COVID-19)
could be a driver of severity that is amenable to therapeutic targeting since …

[HTML][HTML] Duration of infectiousness and correlation with RT-PCR cycle threshold values in cases of COVID-19, England, January to May 2020

A Singanayagam, M Patel, A Charlett… - …, 2020 - eurosurveillance.org
Severe acute respiratory syndrome coronavirus 2 viral load in the upper respiratory tract
peaks around symptom onset and infectious virus persists for 10 days in mild-to-moderate …

C-reactive protein is an independent predictor of severity in community-acquired pneumonia

JD Chalmers, A Singanayagam, AT Hill - The American journal of medicine, 2008 - Elsevier
BACKGROUND: C-reactive protein (CRP) is an acute phase protein synthesized by the liver
primarily in response to interleukin-6. Initial studies have suggested that inflammatory …

[HTML][HTML] Community transmission and viral load kinetics of the SARS-CoV-2 delta (B. 1.617. 2) variant in vaccinated and unvaccinated individuals in the UK: a …

A Singanayagam, S Hakki, J Dunning… - The lancet infectious …, 2022 - thelancet.com
Background The SARS-CoV-2 delta (B.1.617.2) variant is highly transmissible and spreading
globally, including in populations with high vaccination rates. We aimed to investigate …

Humoral and T-cell responses to SARS-CoV-2 vaccination in patients receiving immunosuppression

…, P Randell, A Shah, A Singanayagam… - Annals of the …, 2021 - ard.bmj.com
Objective There is an urgent need to assess the impact of immunosuppressive therapies on
the immunogenicity and efficacy of SARS-CoV-2 vaccination. Methods Serological and T-…

Risk factors for complicated parapneumonic effusion and empyema on presentation to hospital with community-acquired pneumonia

JD Chalmers, A Singanayagam, MP Murray, C Scally… - Thorax, 2009 - thorax.bmj.com
Background: The aim of this study was to identify key factors on admission predicting the
development of complicated parapneumonic effusion or empyema in patients admitted with …

Patients with acute-on-chronic liver failure have increased numbers of regulatory immune cells expressing the receptor tyrosine kinase MERTK

C Bernsmeier, OT Pop, A Singanayagam… - Gastroenterology, 2015 - Elsevier
Background & Aims Characteristics of decompensated cirrhosis and acute-on-chronic liver
failure (ACLF) include susceptibility to infection, immuneparesis, and monocyte dysfunction. …