User profiles for "author:Helen Guo"

Helen Guo

Principal Data Analyst
Verified email at bayer.com
Cited by 6475

Adverse effects associated with transcatheter aortic valve implantation: a meta-analysis of contemporary studies

PJ Khatri, JG Webb, J Rodés-Cabau… - Annals of internal …, 2013 - acpjournals.org
Background: Transcatheter aortic valve implantation (TAVI) has emerged as an important
treatment for patients with severe symptomatic aortic stenosis who are at high operative risk …

[HTML][HTML] Mammographic density and the risk and detection of breast cancer

NF Boyd, H Guo, LJ Martin, L Sun… - New England journal …, 2007 - Mass Medical Soc
Background Extensive mammographic density is associated with an increased risk of breast
cancer and makes the detection of cancer by mammography difficult, but the influence of …

[HTML][HTML] Biomarkers of COVID-19 and technologies to combat SARS-CoV-2

L Zhang, H Guo - Advances in Biomarker Sciences and Technology, 2020 - Elsevier
Due to the unprecedented public health crisis caused by COVID-19, our first contribution to
the newly launching journal, Advances in Biomarker Sciences and Technology, has abruptly …

Benzene-associated immunosuppression and chronic inflammation in humans: a systematic review

H Guo, S Ahn, L Zhang - Occupational and environmental medicine, 2021 - oem.bmj.com
Objective Recent evidence has accumulated that the immune system is intimately
intertwined with cancer development. Two key characteristics of carcinogens in which the …

Warfarin use and the risk for stroke and bleeding in patients with atrial fibrillation undergoing dialysis

M Shah, M Avgil Tsadok, CA Jackevicius, V Essebag… - Circulation, 2014 - Am Heart Assoc
Background—Current observational studies on warfarin use and the risk for stroke and
bleeding in patients with atrial fibrillation (AF) undergoing dialysis found conflicting results …

High-density lipoprotein cholesterol and cause-specific mortality in individuals without previous cardiovascular conditions: the CANHEART study

DT Ko, DA Alter, H Guo, M Koh, G Lau… - Journal of the American …, 2016 - jacc.org
Background: The prognostic importance of high-density lipoprotein cholesterol (HDL-C) as a
specific risk factor for cardiovascular (CV) disease has been challenged by recent clinical …

Body size, mammographic density, and breast cancer risk

NF Boyd, LJ Martin, L Sun, H Guo, A Chiarelli… - … Biomarkers & Prevention, 2006 - AACR
Background: Greater weight and body mass index (BMI) are negatively correlated with
mammographic density, a strong risk factor for breast cancer, and are associated with an …

Association between cardiovascular risk factors and aortic stenosis: the CANHEART aortic stenosis study

AT Yan, M Koh, KK Chan, H Guo, DA Alter… - Journal of the American …, 2017 - jacc.org
Background: Few longitudinal studies have delineated the association between traditional
cardiovascular risk factors and development of aortic stenosis (AS). Objectives: The authors …

Trends in the incidence and outcomes of heart failure in Ontario, Canada: 1997 to 2007

DF Yeung, NK Boom, H Guo, DS Lee, SE Schultz… - Cmaj, 2012 - Can Med Assoc
Background: Heart failure is a leading cause of admission to hospital, but whether the
incidence of heart failure is increasing or decreasing is uncertain. We examined temporal …

The Cardiovascular Health in Ambulatory Care Research Team (CANHEART) using big data to measure and improve cardiovascular health and healthcare services

JV Tu, A Chu, LR Donovan, DT Ko… - … Quality and Outcomes, 2015 - Am Heart Assoc
Background—The CArdiovascular HEalth in Ambulatory care Research Team (CANHEART)
is conducting a unique, population-based observational research initiative aimed at …