Ambuj Roy

ORCID: 0000-0001-6418-4388
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About
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Research Areas
  • Global Public Health Policies and Epidemiology
  • Cardiac Imaging and Diagnostics
  • Cardiovascular Function and Risk Factors
  • Blood Pressure and Hypertension Studies
  • Heart Failure Treatment and Management
  • Cardiovascular Health and Risk Factors
  • Diabetes, Cardiovascular Risks, and Lipoproteins
  • Acute Myocardial Infarction Research
  • Global Maternal and Child Health
  • Health Systems, Economic Evaluations, Quality of Life
  • Cardiac Health and Mental Health
  • Heart Rate Variability and Autonomic Control
  • Cardiac pacing and defibrillation studies
  • Climate Change and Health Impacts
  • Chronic Disease Management Strategies
  • Mobile Health and mHealth Applications
  • Cardiovascular Disease and Adiposity
  • Global Health Care Issues
  • Air Quality and Health Impacts
  • Cardiac Valve Diseases and Treatments
  • Cardiac electrophysiology and arrhythmias
  • Healthcare Systems and Reforms
  • Cardiac Arrhythmias and Treatments
  • Congenital Heart Disease Studies
  • Coronary Interventions and Diagnostics

All India Institute of Medical Sciences
2016-2025

All India Institute of Medical Sciences Bhopal
2013-2025

All India Institute of Medical Sciences Raipur
2013-2025

Medical University of South Carolina
2025

Centre for Chronic Disease Control
2012-2024

Indian Institute of Public Health Gandhinagar
2024

Mayo Clinic in Arizona
2024

Indian Council of Medical Research
2018-2023

Amity University
2023

DR. B.R.A. Institute Rotary Cancer Hospital
2022

Air pollution is a major planetary health risk, with India estimated to have some of the worst levels globally. To inform action at subnational in India, we exposure air and its impact on deaths, disease burden, life expectancy every state 2017.We pollution, including ambient particulate matter defined as annual average gridded concentration PM2.5, household percentage households using solid cooking fuels corresponding across states accessible data from multiple sources part Global Burden...

10.1016/s2542-5196(18)30261-4 article EN cc-by The Lancet Planetary Health 2018-12-06
Anamika Pandey Michael Bräuer Maureen Cropper Kalpana Balakrishnan Prashant Mathur and 95 more Sagnik Dey Burak Turkgulu G Anil Kumar Mukesh Khare Gufran Beig Tarun Gupta Rinu P Krishnankutty Kate Causey Aaron J. Cohen Stuti Bhargava Ashutosh N. Aggarwal Anurag Agrawal Shally Awasthi Fiona B Bennitt Sadhana Bhagwat P. Bhanumati Katrin Burkart Joy Kumar Chakma Thomas C. Chiles Sourangsu Chowdhury Devasahayam Jesudas Christopher Subhojit Dey Samantha Fisher Barbara M. Fraumeni Richard Fuller Aloke Gopal Ghoshal Mahaveer Golechha Prakash C. Gupta Rachita Gupta Rajeev Gupta Shreekant Gupta Sarath Guttikunda David Hanrahan S Harikrishnan Panniyammakal Jeemon Tushar Kant Joshi Rajni Kant Surya Kant Tanvir Kaur Parvaiz A Koul Praveen Kumar Rakesh Kumar Samantha Leigh Larson Rakesh Lodha Kishore K Madhipatla P A Mahesh Ridhima Malhotra Shunsuke Managi Keith Martin Matthews Mathai Joseph L. Mathew Ravi Mehrotra Viswanathan Mohan Viswanathan Mohan Satinath Mukhopadhyay Parul Mutreja Nitish Naik Sanjeev Nair Jeyaraj Pandian Pallavi Pant Perianayagam Arokiasamy Dorairaj Prabhakaran Poornima Prabhakaran Goura Kishor Rath Shamika Ravi Ambuj Roy Yogesh Sabde Sundeep Salvi Sankar Sambandam Bhavay Sharma Meenakshi Sharma S. Sharma R S Sharma Aakash Shrivastava Sujeet Kumar Singh Virendra Singh Rodney B.W. Smith Jeffrey D Stanaway Gabrielle Taghian Nikhil Tandon JS Thakur Nihal Thomas Gurudayal Singh Toteja Chris M Varghese Chandra Venkataraman Krishnan N Venugopal Katherine Walker Stefanie Watson Sarah Wozniak Denis Xavier Gautam N. Yadama Geetika Yadav Deeksha Shukla Hendrik J Bekedam K. Srinath Reddy

The association of air pollution with multiple adverse health outcomes is becoming well established, but its negative economic impact less appreciated. It important to elucidate this for the states India.

10.1016/s2542-5196(20)30298-9 article EN cc-by The Lancet Planetary Health 2020-12-27

The burden of diabetes is increasing rapidly in India but a systematic understanding its distribution and time trends not available for every state India. We present comprehensive analysis the heterogeneity across all states between 1990 2016.We analysed prevalence disability-adjusted life-years (DALYs) from to 2016 using data sources that could be accessed as part Global Burden Diseases, Injuries, Risk Factors Study 2016, assessed states. were placed four groups based on epidemiological...

10.1016/s2214-109x(18)30387-5 article EN cc-by The Lancet Global Health 2018-09-12

BackgroundThe burden of cardiovascular diseases is increasing in India, but a systematic understanding its distribution and time trends across all the states not readily available. In this report, we present detailed analysis how patterns major risk factors have changed India between 1990 2016.MethodsWe analysed prevalence disability-adjusted life-years (DALYs) due to component causes from 2016, using accessible data sources as part Global Burden Diseases, Injuries, Risk Factors Study 2016....

10.1016/s2214-109x(18)30407-8 article EN cc-by The Lancet Global Health 2018-09-12
Hisham Dokainish Koon Teo Jun Zhu Ambuj Roy Khalid F. AlHabib and 95 more Ahmed ElSayed Lia Palileo-Villaneuva Patricio López‐Jaramillo Kamilu M. Karaye Khalid Yusoff Andrés Orlandini Karen Sliwa Charles Mondo Fernando Laņas Dorairaj Prabhakaran Amr Badr Mohamed ElMaghawry Albertino Damasceno Kemi Tibazarwa Emilie P. Belley‐Côté Kumar Balasubramanian Shofiqul Islam Magdi H. Yacoub Mark D. Huffman Karen Harkness Alex Grinvalds Robert S. McKelvie Shrikant I. Bangdiwala Salim Yusuf Ruy R. Campos Cecilia Chacón Guillermo Cursack Fabián Diez Carlos Escobar Carlos García Oscar Gómez Vilamajó Miguel Hominal Adrián Ingaramo G. Kucharczuk Mauricio Pelliza Angela Rosa Guitiérrez Rojas Alessandra Villani Gerardo Zapata Paula Bourke Fernando Laņas L. Nahuelpan Carlos Olivares R. Riquelme Fen Ai Xiuyuan Bai X. Chen Y. Chen Min Gao Chenliang Ge YANBIAO HE Wenjie Huang Hongqun Jiang Tuo Liang Xinling Liang Yuhua Liao S. Liu Yu Luo L. Lu Shengmei Qin Gabriel Tan Hua Tan T. Wang Xuchen Wang F.J. Wei Fei Xiao B. Zhang Tianheng Zheng J.L. Mendoza M. Blanquicett Anaya Efraín Gómez D.I. Molina de Salazar Franklin Quiroz M.J. Mota Rodríguez M. Suarez Sotomayor A. Torres Navas M. Bravo León Leilani Montalvo Mónica Jaramillo Emilia Patiño C Perugachi F. Trujillo Cruz Mohamed ElMaghawry Kerolos Wagdy Aishwarya Bhardwaj Vivek Chaturvedi G. Krishna Gokhale Rajeev Gupta R. Honnutagi Parag H. Joshi Shamez Ladhani Prakash Chand Negi Ambuj Roy Naveen Reddy Ahed Najimelddin Abdullah Mustafa Hassan

Most data on mortality and prognostic factors in patients with heart failure come from North America Europe, little information other regions. Here, the International Congestive Heart Failure (INTER-CHF) study, we aimed to measure at 1 year Africa, China, India, Middle East, southeast Asia South America; also explored demographic, clinical, socioeconomic variables associated mortality.We enrolled consecutive (3695 [66%] clinic outpatients, 2105 [34%] hospital patients) 108 centres six...

10.1016/s2214-109x(17)30196-1 article EN cc-by-nc-nd The Lancet Global Health 2017-05-03
Sivasubramanian Ramakrishnan Geevar Zachariah Kartik Gupta J. Shivkumar Rao Padhinhare P. Mohanan and 95 more K. Venugopal Santosh Sateesh Rishi Sethi Dharmendra Jain Neil Bardolei Kalaivani Mani Tanya Singh Kakar Bharath Raj Kidambi Sudha Bhushan Sunil Kumar Verma Balram Bhargava Ambuj Roy Shyam S. Kothari Rajeev Gupta Sandeep Bansal Sanjay Sood Ranjit Kumar Nath Sanjay Tyagi Mohit Gupta M.P. Girish Ish Kalra Gurpreet Singh Wander Satish Gupta Subroto Mandal Nagendra Boopathy Senguttuvan Geetha Subramanyam Debabatra Roy Sibananda Datta Kajal Ganguly Satya Narayan Routray Surabhi Mishra Bhaskar Singh Bhavneet Bharti Mrinal Kanti Das Soumitra Kumar Kewal C. Goswami Vinay K. Bahl Sarat Chandra Amal Kumar Banerjee Santanu Guha P.K. Deb H K Chopra Prakash Deedwania Ashok Seth J. Shivkumar Rao Bhaskar Singh Bhavneet Bharti Amit Kumar Sinha Kartik Gupta Sivasubramanian Ramakrishnan Sudha Bhushan Sunil Kumar Verma Balram Bhargava Ambuj Roy Sandeep Bansal Sanjay Sood H.S. Isser Neeraj Pandit Ranjit Kumar Nath Sanjay Tyagi Vijay Trehan Mohit Gupta M.P. Girish Ramandeep Ahuja S.C. Manchanda A. K. Mohanty Peeyush Jain Sameer Shrivastava Ish Kalra Bhakti Sarang H.S. Ratti G. Bala Sahib Rakesh Gupta S. K. Agarwal Amit Kewal C. Goswami Vinay K. Bahl H K Chopra Ashok Seth Geevar Zachariah Padhinhare P. Mohanan K. Venugopal George Koshy Tiny Nair N. D. V. N. Shyam Anil Roby Raju George Sudhaya Kumar Md. Abdul Kader Mathew Abraham Sunitha Viswanathan Jabir Abdullakutty Jaideep Menon Govindan Unni Cibu Mathew

Hypertension is the most important risk factor for cardiovascular morbidity and mortality. There limited data on hypertension prevalence in India. This study was conducted to estimate of among Indian adults. A national level survey with fixed one-day blood pressure measurement camps across 24 states union territories defined as systolic (BP) ≥140 mmHg or a diastolic BP ≥90 treatment hypertension. The age- gender-standardized according 2011 census population Blood recorded 180,335...

10.1016/j.ihj.2019.09.012 article EN cc-by-nc-nd Indian Heart Journal 2019-07-01

Objective To investigate gender discrimination in access to healthcare and its relationship with the patient’s age distance from facility. Design setting An observational study based on outpatient data a large referral public hospital Delhi, India. Participants Confirmed clinical appointments. Primary secondary outcome measures Estimates logistic regression are used compute sex ratios (male/female) of patient visits respect age. Missing female patients for each state—a measure extent...

10.1136/bmjopen-2018-026850 article EN cc-by-nc BMJ Open 2019-08-01

Given the shortage of cardiac rehabilitation (CR) programs in India and poor uptake worldwide, there is an urgent need to find alternative models CR that are inexpensive may offer choice subgroups with (e.g., women elderly).This study sought evaluate effects yoga-based (Yoga-CaRe) on major cardiovascular events self-rated health a multicenter randomized controlled trial.The trial was conducted 24 medical centers across India. This recruited 3,959 patients acute myocardial infarction median...

10.1016/j.jacc.2020.01.050 article EN cc-by-nc-nd Journal of the American College of Cardiology 2020-03-30

The burden of noncommunicable diseases and their risk factors has rapidly increased worldwide, including in India. Innovative management strategies with electronic decision support task sharing have been assessed for hypertension, diabetes mellitus, depression individually, but an integrated package multiple chronic condition primary care not evaluated.In a prospective, multicenter, open-label, cluster-randomized controlled trial involving 40 community health centers, using hypertension...

10.1161/circulationaha.118.038192 article EN cc-by Circulation 2019-01-14

Hypertension is a major cause of morbidity and mortality worldwide. Previous efforts to characterize gaps in the hypertension care continuum-including diagnosis, treatment, control-in India did not assess district-level variation. Local data are critical for planning, implementation, monitoring curb burden hypertension.To examine continuum among individuals aged 18 98 years.The nationally representative Fifth National Family Health Survey study was conducted 2 phases from June 17, 2019,...

10.1001/jamanetworkopen.2023.39098 article EN cc-by-nc-nd JAMA Network Open 2023-10-23

Introduction: There are few data on heart failure (HF) burden and none available the community prevalence of HF in India. We conducted a study aimed at determining rural as well tertiary hospital care setting North also reviewed existing literature regarding estimated projected Methodology: All adults (>20 years) with chronic breathlessness six villages under primary health center Northern India were identified evaluated standardized questionnaire physical examination by trained workers. was...

10.4103/2395-5414.182988 article EN cc-by-nc-sa Journal of the Practice of Cardiovascular Sciences 2016-01-01

<h3>Background and objectives</h3> Despite being one of the leading risk factors cardiovascular mortality, there are limited data on changes in hypertension burden management from India. This study evaluates trend prevalence, awareness, treatment control urban rural areas India's National Capital Region (NCR). <h3>Design setting</h3> Two representative cross-sectional surveys were conducted (survey 1 (1991–1994); survey 2 (2010–2012)) NCR using similar methodologies. <h3>Participants</h3> A...

10.1136/bmjopen-2016-015639 article EN cc-by-nc BMJ Open 2017-07-01

Cigarette smoking is a leading preventable risk factor for the development and progression of cardiovascular diseases (CVDs). Epidemiologic studies conclusively prove that both active secondhand smoke contribute significantly to morbidity mortality related CVD. mixture several toxic chemicals, which nicotine, carbon monoxide, oxidant chemicals are most commonly implicated in pathogenesis disease. Tobacco causes endothelial dysfunction, inflammation, insulin resistance, alteration lipid...

10.1016/j.gheart.2012.05.003 article EN cc-by-nc-nd Global Heart 2012-07-01

Background The high burden of undetected and undertreated hypertension diabetes mellitus is a major health challenge worldwide. mP ower Heart Project aimed to develop test feasible scalable intervention for by task‐sharing with the use mobile phone–based clinical decision support system at Community Health Centers in Himachal Pradesh, India. Methods Results development was carried out using mixed methods five Centers. subsequently evaluated pre–post evaluation design. During intervention,...

10.1161/jaha.116.004343 article EN cc-by-nc-nd Journal of the American Heart Association 2016-12-19

Abstract Aims Limited data on the uptake of guideline‐directed medical therapies (GDMTs) and mortality acute decompensated HF (ADHF) patients are available from India. The National Heart Failure Registry (NHFR) aimed to assess clinical presentation, practice patterns, ADHF in Methods results NHFR is a facility‐based, multi‐centre registry consecutive with prospective follow‐up. Fifty three tertiary care hospitals 21 states India participated NHFR. All who satisfied European Society...

10.1002/ehf2.14096 article EN cc-by ESC Heart Failure 2022-08-10

Aim and background: High-quality cardiopulmonary resuscitation (CPR) is associated with improved patient outcomes, but healthcare workers (HCWs) may be frequently undertrained.This study aimed to assess baseline knowledge skills among HCWs about basic advanced life support the effect of simulation-based training on it.Methods: It was a single-center prospective quasi-interventional resident doctors nurses at Tertiary Center in New Delhi, India.A questionnaire-based assessment done...

10.5005/jp-journals-10071-24670 article EN Indian Journal of Critical Care Medicine 2024-03-29
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