Divergent trends in ischaemic heart disease and stroke mortality in India from 2000 to 2015: a nationally representative mortality study

India accounts for about a fifth of cardiovascular deaths globally, but nationally representative data on mortality trends are not yet available. In this nationwide mortality study, we aimed to assess the trends in ischaemic heart disease and stroke mortality over 15 years using the Million Death St...

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Published in:	The Lancet global health Vol. 6; no. 8; pp. e914 - e923
Main Authors:	Ke, Calvin, Gupta, Rajeev, Xavier, Denis, Prabhakaran, Dorairaj, Mathur, Prashant, Kalkonde, Yogeshwar V, Kolpak, Patrycja, Suraweera, Wilson, Jha, Prabhat, Allarakha, Shazia, Basavarajappa, Dharmappa, Dhimar, Vikas, Jaiswal, Harsh, Kalaska, Shrikant, Memon, Geetha, Nair, Saritha, Rao, Vishnu, Rasaily, Reeta, Sahu, Damodar, Sharma, Shweta, Shukla, Deepak Kumar, Singh, Jitenkumar K., Singh, Lucky, Sinha, Anju, Awasthi, Shally, Banthia, Jayant K., Dikshit, Rajesh, Kumar, Rajesh, Thakur, J.S., Ram, Faujdar, Ram, Usha, Sheth, Jay, D'Souza, George, Begum, Rehana, Gelband, Hellen, Kalkonde, Yogeshwar V.
Format:	Journal Article
Language:	English
Published:	England Elsevier Ltd 01-08-2018 Elsevier
Subjects:	Adult Aged Cohort Studies Female Humans India - epidemiology Male Middle Aged Mortality - trends Myocardial Ischemia - mortality Stroke - mortality India
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Summary:	India accounts for about a fifth of cardiovascular deaths globally, but nationally representative data on mortality trends are not yet available. In this nationwide mortality study, we aimed to assess the trends in ischaemic heart disease and stroke mortality over 15 years using the Million Death Study. We determined national and subnational cardiovascular mortality rates and trends by sex and birth cohort using cause of death ascertained by verbal autopsy from 2001 to 2013 among 2·4 million households. We derived mortality rates for ischaemic heart disease and stroke by applying mortality proportions to UN mortality estimates for India and projected the rates from 2000 to 2015. Cardiovascular disease caused more than 2·1 million deaths in India in 2015 at all ages, or more than a quarter of all deaths. At ages 30–69 years, of 1·3 million cardiovascular deaths, 0·9 million (68·4%) were caused by ischaemic heart disease and 0·4 million (28·0%) by stroke. At these ages, the probability of dying from ischaemic heart disease increased during 2000–15, from 10·4% to 13·1% in men and 4·8% to 6·6% in women. Ischaemic heart disease mortality rates in rural areas increased rapidly and surpassed those in urban areas. By contrast, the probability of dying from stroke decreased from 5·7% to 5·0% in men and 5·0% to 3·9% in women. A third of premature stroke deaths occurred in the northeastern states, inhabited by a sixth of India's population, where rates increased significantly and were three times higher than the national average. The increased mortality rates of ischaemic heart disease nationally and stroke in the northeastern states were higher in the cohorts of adults born in the 1970s onwards, than in earlier decades. A large and growing proportion of the ischaemic heart disease nationally and stroke deaths in high-burden states reported earlier diagnosis of cardiovascular disease, but low medication use. The unexpectedly diverse patterns of cardiovascular mortality require investigation to identify the role of established and new cardiovascular risk factors. Secondary prevention with effective and inexpensive long-term treatment and adult smoking cessation could prevent substantial numbers of premature deaths. Without progress against the control of cardiovascular disease in India, global goals to reduce non-communicable diseases by 2030 will be difficult to achieve. Fogarty International Center of the US National Institutes of Health, Dalla Lana School of Public Health, University of Toronto, Indian Council of Medical Research, and the Disease Control Priorities.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 Collaborators are listed in the appendix
ISSN:	2214-109X 2214-109X
DOI:	10.1016/S2214-109X(18)30242-0