User profiles for Dylan O’Sullivan

Dylan O'Sullivan

Research Scientist & Assistant Professor, Alberta Health Services & University of Calgary
Verified email at queensu.ca
Cited by 2147

Mortality due to cancer treatment delay: systematic review and meta-analysis

…, E Harvey-Jones, DE O'Sullivan, CM Booth, R Sullivan… - bmj, 2020 - bmj.com
Objective To quantify the association of cancer treatment delay and mortality for each four
week increase in delay to inform cancer treatment pathways. Design Systematic review and …

Risk factors for early-onset colorectal cancer: a systematic review and meta-analysis

DE O'Sullivan, RL Sutherland, S Town, K Chow… - Clinical …, 2022 - Elsevier
Background & Aims Despite the widespread increase in the incidence of early-onset colorectal
cancer (EoCRC), the reasons for this increase remain unclear. The objective of this study …

The current and future burden of cancer attributable to modifiable risk factors in Canada: summary of results

…, Y Ruan, KD Volesky, WD King, DE O'Sullivan… - Preventive …, 2019 - Elsevier
Nearly one in two Canadians are expected to be diagnosed with cancer in their lifetime.
However, there are opportunities to reduce the impact of modifiable cancer risk factors through …

[HTML][HTML] The future burden of cancer in Canada: Long-term cancer incidence projections 2013–2042

…, WD King, KD Volesky, DE O'Sullivan… - Cancer …, 2019 - Elsevier
Background Cancer is the leading cause of death in Canada and the estimated annual
spending associated with cancer is approximately $7.5 billion. Projecting the future burden of …

Effect of outdoor particulate air pollution on FEV1 in healthy adults: a systematic review and meta-analysis

S Edginton, DE O'Sullivan, W King… - Occupational and …, 2019 - oem.bmj.com
The effect of acute and long-term exposures to outdoor particulate air pollution on lung
function in healthy adults is not well established. The objective of this study was to conduct a …

[HTML][HTML] Gender-specific associations between involvement in team sport culture and canadian adolescents' substance-use behavior

R Boyes, DE O'Sullivan, B Linden, M McIsaac… - SSM-population …, 2017 - Elsevier
Canadian adolescents have some of the highest rates of substance use in the world. The
etiology of this phenomenon has not been fully explored, and one possible contextual …

The effect of acute outdoor air pollution on peak expiratory flow in individuals with asthma: A systematic review and meta-analysis

S Edginton, DE O'Sullivan, WD King… - Environmental …, 2021 - Elsevier
Objectives Acute exposures to outdoor air pollution have been shown to reduce lung function
in children with asthma, but the effect on adults with asthma has not been established in a …

Solar ultraviolet radiation and breast cancer risk: a systematic review and meta-analysis

TWR Hiller, DE O'Sullivan, DR Brenner… - Environmental …, 2020 - ehp.niehs.nih.gov
Background: A protective relationship has been hypothesized between exposure to solar
ultraviolet radiation (UVR) and the development of breast cancer. Objective: The objective of …

The association between neighborhood‐level income and cancer stage at diagnosis and survival in Alberta

…, E Heer, MT Warkentin, TN Jarada, DE O'Sullivan… - Cancer, 2024 - Wiley Online Library
Background Socioeconomic status (SES) is associated with a range of health outcomes,
including cancer diagnosis and survival. However, the evidence for this association is …

Association between adjuvant chemotherapy duration and survival among patients with stage II and III colon cancer: a systematic review and meta-analysis

DJ Boyne, CA Cuthbert, DE O'Sullivan… - JAMA Network …, 2019 - jamanetwork.com
Importance The results from the recent International Duration Evaluation of Adjuvant
Therapy (IDEA) collaboration have led some clinicians to adopt shorter durations of adjuvant …