Zahid A Butt
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View article: Cardiac left atrial evaluation and response in HFREF with sacubitril/valsartan: the CLEAR study
Cardiac left atrial evaluation and response in HFREF with sacubitril/valsartan: the CLEAR study Open
Background Sacubitril/valsartan (SV) promotes reverse cardiac remodelling in patients with heart failure and reduced ejection fraction (HFrEF); however, not all patients respond to therapy. Baseline left atrial strain (LAS) and any changes…
View article: 3 Cardiac left atrial evaluation and response in HFrEF with sacubitril/valsartan: the clear study
3 Cardiac left atrial evaluation and response in HFrEF with sacubitril/valsartan: the clear study Open
View article: 32 Mechanical circulatory support for infarct-related cardiogenic shock: a systematic review and network meta-analysis
32 Mechanical circulatory support for infarct-related cardiogenic shock: a systematic review and network meta-analysis Open
View article: AI-driven epidemic intelligence: the future of outbreak detection and response
AI-driven epidemic intelligence: the future of outbreak detection and response Open
Epidemic intelligence, the process of detecting, verifying, and analyzing public health threats to enable timely responses, traditionally relies heavily on manual reporting and structured data, often causing delays and coverage gaps. The g…
View article: Association Between Hair Cortisol and Psychopathology in Children With a Chronic Physical Illness
Association Between Hair Cortisol and Psychopathology in Children With a Chronic Physical Illness Open
Children with a chronic physical illness (CPI) experience significant stress and are at a greater risk of psychopathology. However, little is known about chronic stress and its relationship with psychopathology in this population. Over the…
View article: Global, regional, and national prevalence of kidney failure with replacement therapy and associated aetiologies, 1990–2023: a systematic analysis for the Global Burden of Disease Study 2023
Global, regional, and national prevalence of kidney failure with replacement therapy and associated aetiologies, 1990–2023: a systematic analysis for the Global Burden of Disease Study 2023 Open
Gates Foundation.
View article: Global burden of vision impairment due to age-related macular degeneration, 1990–2021, with forecasts to 2050: a systematic analysis for the Global Burden of Disease Study 2021
Global burden of vision impairment due to age-related macular degeneration, 1990–2021, with forecasts to 2050: a systematic analysis for the Global Burden of Disease Study 2021 Open
View article: Psychometric validation of the COVID-19 vaccine hesitancy scale for primary and booster doses among university students: A cross-sectional study
Psychometric validation of the COVID-19 vaccine hesitancy scale for primary and booster doses among university students: A cross-sectional study Open
Our adapted scales performed well psychometrically to measure VH across different COVID-19 vaccine phases. These scales can help in identifying key barriers of VH to understand shifting trajectories over time, thereby informing targeted in…
View article: Understanding the shift in COVID-19 vaccine hesitancy and its associated factors for primary and booster doses among university students: A cross-sectional study
Understanding the shift in COVID-19 vaccine hesitancy and its associated factors for primary and booster doses among university students: A cross-sectional study Open
The rise in VH from primary to booster doses appears driven by demographic, psychological, and behavioral factors. Tailored interventions that promote clear communication, improve access, and strengthen confidence in booster recommendation…
View article: Biobehavioral Aspects of the COVID-19 Pandemic: A Review
Biobehavioral Aspects of the COVID-19 Pandemic: A Review Open
OBJECTIVE: This review highlights the scope and significance of the coronavirus disease 2019 (COVID-19) pandemic with a focus on biobehavioral aspects and critical avenues for research. METHODS: A narrative review of the published research…
View article: Health System Resilience: Quantifying the Dynamic Impact of Environmental Shocks on Health Service Utilization using an Interrupted Time Series and Time-Series Forecasting Approach in Western Province, Zambia
Health System Resilience: Quantifying the Dynamic Impact of Environmental Shocks on Health Service Utilization using an Interrupted Time Series and Time-Series Forecasting Approach in Western Province, Zambia Open
View article: Impact of the COVID-19 pandemic on health services utilisation and mortality in Ontario, Canada: an interrupted time series analysis
Impact of the COVID-19 pandemic on health services utilisation and mortality in Ontario, Canada: an interrupted time series analysis Open
Background This study explores changing patterns of healthcare utilisation for chronic diseases during the COVID-19 pandemic in Ontario, Canada. It compares prepandemic and pandemic morbidity and mortality, focusing on physician and emerge…
View article: The epidemiology and healthcare costs of pregnancy-related listeriosis in British Columbia, Canada, 2005–2014
The epidemiology and healthcare costs of pregnancy-related listeriosis in British Columbia, Canada, 2005–2014 Open
This study investigated cases of pregnancy-related listeriosis in British Columbia (BC), Canada, from 2005 to 2014. We described all diagnosed cases in pregnant women ( n = 15) and neonates ( n = 7), estimated the excess healthcare costs a…
View article: National-level and state-level prevalence of overweight and obesity among children, adolescents, and adults in the USA, 1990–2021, and forecasts up to 2050
National-level and state-level prevalence of overweight and obesity among children, adolescents, and adults in the USA, 1990–2021, and forecasts up to 2050 Open
Bill & Melinda Gates Foundation.
View article: Proposing a Conceptual Framework: Social Media Infodemic Listening for Public Health Behaviors
Proposing a Conceptual Framework: Social Media Infodemic Listening for Public Health Behaviors Open
Various communication and behavioral theories have been adopted to address health infodemics. However, there is no framework specially designed for social listening studies using social media data, machine learning, and natural language pr…
View article: Exploring the syndemic impact of COVID-19 and mental health on health services utilisation among adult Ontario population
Exploring the syndemic impact of COVID-19 and mental health on health services utilisation among adult Ontario population Open
The impact of COVID-19 on mental health, particularly among vulnerable populations with chronic diseases, can be seen as a syndemic. This complex interaction emphasises the need for integrated public health strategies.
View article: The Impact of COVID-19 Restrictions on the Health and Well-being of Women Living in Informal Settlements in Uganda.
The Impact of COVID-19 Restrictions on the Health and Well-being of Women Living in Informal Settlements in Uganda. Open
Background: The COVID-19 pandemic significantly impacted Uganda, with the first case reported in March 2020, resulting in extensive public health restrictions, including a lockdown, curfew, and closure of schools and workplaces. Urban resi…
View article: The Impact of Comorbidities among Ethnic Minorities on COVID-19 Severity and Mortality in Canada and the USA: A Scoping Review
The Impact of Comorbidities among Ethnic Minorities on COVID-19 Severity and Mortality in Canada and the USA: A Scoping Review Open
(1) Current literature on ethnic minorities, comorbidities, and COVID-19 tends to investigate these factors separately, leaving gaps in our understanding about their interactions. Our review seeks to identify a relationship between ethnici…
View article: Global estimates on the number of people blind or visually impaired by glaucoma: A meta-analysis from 2000 to 2020
Global estimates on the number of people blind or visually impaired by glaucoma: A meta-analysis from 2000 to 2020 Open
Objectives To estimate global and regional trends from 2000 to 2020 of the number of persons visually impaired by glaucoma and their proportion of the total number of vision-impaired individuals. Methods A systematic review and meta-analys…
View article: Validating part of the social media infodemic listening conceptual framework using structural equation modelling
Validating part of the social media infodemic listening conceptual framework using structural equation modelling Open
This study was supported by the 2023-24 Ontario Graduate Scholarship.
View article: Health trends in Canada 1990–2019: An analysis for the Global Burden of Disease Study
Health trends in Canada 1990–2019: An analysis for the Global Burden of Disease Study Open
View article: Anticipating Mental Health Threats from Artificial Intelligence: Clinical, Social and Legal Perspectives (Preprint)
Anticipating Mental Health Threats from Artificial Intelligence: Clinical, Social and Legal Perspectives (Preprint) Open
UNSTRUCTURED The rapid integration of artificial intelligence (AI) into society presents immense opportunities for progress but also poses potential for risks to mental health. This paper explores the possibility and implications of AI co…
View article: Heart rate prediction with contactless active assisted living technology: a smart home approach for older adults
Heart rate prediction with contactless active assisted living technology: a smart home approach for older adults Open
Background As global demographics shift toward an aging population, monitoring their heart rate becomes essential, a key physiological metric for cardiovascular health. Traditional methods of heart rate monitoring are often invasive, while…
View article: Factors Associated With Worsened Mental Health of Health Care Workers in Canada During the COVID-19 Pandemic: Cross-Sectional Survey Study
Factors Associated With Worsened Mental Health of Health Care Workers in Canada During the COVID-19 Pandemic: Cross-Sectional Survey Study Open
Background Health care workers (HCWs) in Canada have endured difficult conditions during the COVID-19 pandemic. Many worked long hours while attending to patients in a contagious environment. This introduced an additional burden that may h…
View article: Temporal patterns of cancer burden in Asia, 1990–2019: a systematic examination for the Global Burden of Disease 2019 study
Temporal patterns of cancer burden in Asia, 1990–2019: a systematic examination for the Global Burden of Disease 2019 study Open
View article: Ethical considerations of public health surveillance in the age of the internet of things technologies: A perspective
Ethical considerations of public health surveillance in the age of the internet of things technologies: A perspective Open
In the age of the Internet of Things (IoT), ethical considerations of digitally-led public health surveillance are crucial. However, their application becomes complicated due to an implicit dichotomy of ethical and legal factors. Decision-…
View article: National burden of rheumatoid arthritis in Canada, 1990–2019: findings from the Global Burden of Disease Study 2019 – a GBD collaborator-led study
National burden of rheumatoid arthritis in Canada, 1990–2019: findings from the Global Burden of Disease Study 2019 – a GBD collaborator-led study Open
Objective The objectives of this study were: (1) to describe burden of rheumatoid arthritis (RA) and trends from 1990 to 2019 using the Global Burden of Diseases, Injuries and Risk Factors Study (GBD) data, (2) to describe age and sex diff…
View article: Evaluating the Concept of Access as an Equitable Provision to Universal Health Coverage in the Context of Rural Communities of Western Province, Zambia
Evaluating the Concept of Access as an Equitable Provision to Universal Health Coverage in the Context of Rural Communities of Western Province, Zambia Open
View article: Public Attitudes Towards Vaccine Passports in Alberta During the “Pandemic of the Unvaccinated”: A Qualitative Analysis of Reddit Posts
Public Attitudes Towards Vaccine Passports in Alberta During the “Pandemic of the Unvaccinated”: A Qualitative Analysis of Reddit Posts Open
Objective: The goal of this study is to understand the attitudes and beliefs towards mandatory vaccination policies in Alberta, Canada in September 2021, during the fourth wave of COVID-19. Methods: 9400 posts between 1st September and 30t…
View article: Uncovering the Underlying Causes of Severe Acute Hepatitis of Unknown Aetiology in Children: A Comprehensive Review
Uncovering the Underlying Causes of Severe Acute Hepatitis of Unknown Aetiology in Children: A Comprehensive Review Open
Background Since October 2021, multiple paediatric cases of severe acute hepatitis of unknown aetiology (SAHUA) not caused by hepatitis A–E viruses have been reported by multiple countries. As of 14 September 2022, approximately 1296 proba…