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Introduction In 2017, the American College of Cardiology/American Heart Association revised guidelines for diagnosis and management of hypertension in adults. The regional impact of the updated guidelines on the prevalence of hypertension in India is unknown. Methods Data from nationally representative Indian households were analyzed to estimate the regional prevalence of hypertension according to the old and the new guidelines in men (age 18-54 years) and women (age 18-49 years). The old guidelines defined hypertension as a systolic blood pressure of ≥140 mmHg or diastolic blood pressure of ≥90 mmHg or treatment. The new guidelines define hypertension as a systolic blood pressure of ≥130 mmHg or diastolic blood pressure of ≥80 mmHg or treatment. We calculated the increase in the prevalence of hypertension among the states and union territories of India (hereafter "states"). Results Among 679,712 participants (85.6% women), the median age was 31 years (interquartile range 24, 40) and was comparable among men and women (33 vs. 31 years, respectively). The overall weighted prevalence according to old and new guidelines was 18.5% (95% CI 18.2, 18.7) and 43.0% (95% CI 42.8, 43.3), respectively. There was a significant increase in hypertension prevalence, both among men and women, and across all regions. The northeast region of the country had the highest prevalence. Conclusion The overall prevalence of hypertension significantly increases with the new compared to the old guidelines, however, the regional heterogeneity of prevalence of hypertension is maintained.

x We studied awareness, treatment and control of hypertension and factors associated with hypertension prevalence in Barmer district, Rajasthan. A cross-sectional study was conducted among 300 adults aged ≥ 30 years. Data were collected using a modified World Health Organization STEPs tool. Bivariate and multivariate analyses were done to find the factors associated with hypertension prevalence. Hypertension and pre-hypertension prevalence were 22.0% and 50.7% respectively. A quarter (27%) was aware, 25% were on treatment and 9% achieved adequate control of hypertension. Hypertension prevalence was significantly higher among men, older adults, overweight adults and those reported higher income compared to their counterparts.

Objective: Hypertension is the most important risk factor for cardiovascular morbidity and mortality. There is limited data on hypertension prevalence in India. This study was conducted to estimate the prevalence of hypertension among Indian adults. Methods: A national level survey was conducted with fixed one-day blood pressure measurement camps across 24 states and union territories of India. Hypertension was defined as systolic blood pressure (BP) ≥140 mmHg or a diastolic BP ≥90 mmHg or on treatment for hypertension. The prevalence was age- and gender-standardized according to the 2011 census population of India. Results: Blood pressure was recorded for 180,335 participants (33.2% women; mean age 40.6 ± 14.9 years). Among them, 8,898 (4.9%), 99,791 (55.3%), 35,694 (11.9%), 23,084 (12.8%), 9,989 (5.5%), and 2,878 (1.6%) participants were of the age group 18–19, 20–44, 45–54, 55–64, 65–74, and ≥ 75 years, respectively. Overall prevalence of hypertension was 30.7% (95% confidence interval [CI]: 30.5, 30.9) and the prevalence among women was 23.7% (95% CI: 23.3, 24). Prevalence adjusted for 2011 census population and the WHO reference population was 29.7% and 32.8%, respectively. Conclusion: There is a high prevalence of hypertension, with almost one in every three Indian adult affected. Keywords: Hypertension, India, Prevalence

Objectives: We evaluated trends in hypertension prevalence, awareness, treatment and control in an Indian urban population over 25 years. Trends were projected to year 2030 to determine attainment of World Health Organization (WHO) Global Monitoring Framework targets. Methods: Adult participants (n = 7440, men 4237, women 3203) enrolled in successive population based studies in Jaipur, India from years 1991 to 2015 were evaluated for hypertension prevalence, awareness, treatment and control. The studies were performed in years 1991–93 (n = 2212), 1999–01 (n = 1123), 2003–04 (n = 458), 2006–07 (n = 1127), 2009–10 (n = 739) and 2012–15 (n = 1781). Descriptive statistics are reported. We used logarithmic forecasting to year 2030 and compared outcomes to WHO target of 25% lower prevalence and >50% control. Results: The age-adjusted hypertension prevalence (%) among adults in successive studies increased from 29.5, 30.2, 36.5, 42.1, 34.4 to 36.1 (R2 = 0.41). Increasing trends were observed for hypertension awareness (13, 44, 49, 44, 49, 56; R2 = 0.63); treatment in all (9, 22, 38, 34, 41, 36; R2 = 0.68) and aware hypertensives (61, 66, 77, 79, 70, 64; R2 = 0.46); and control in all (2, 14, 13, 18, 21, 21; R2 = 0.82), aware (12, 33, 27, 46, 37, 37; R2 = 0.54) and treated (9, 20, 21, 48, 36, 49; R2 = 0.80) hypertensive participants. Projections to year 2030 show increases in prevalence to 44% (95% CI 43–45), awareness to 82% (81–83), treatment to 62% (61–63), and control to 36% (35–37). Conclusion: Hypertension prevalence, awareness, treatment and control rates are increasing among urban populations in India. Better awareness is associated with greater control. The rates of increase are off-target for WHO Global Monitoring Framework and UN Sustainable Development Goals. Keywords: Non-communicable diseases, Lower-middle income countries, Sustainable development goals, Hypertension epidemiology, India

Objective: There are no community based, longitudinal, intra individual epidemiological studies on effect of weather and season on blood pressure (BP). We evaluated the effect of season and temperature on prevalence and epidemiology of BP in tropical climate. Methods and results: It was a longitudinal cross sectional survey of rural and urban subjects in their native surroundings. BP was measured in four different seasons in same subjects. A total of 978 subjects (452 rural and 521 urban) were included in the current analysis. Demographic characteristics such as age, gender, education, occupational based physical activity and body mass index (BMI) were recorded. Mean BP, both systolic and diastolic were significantly higher in winter season as compared to summer season. Mean difference between winter and summer was 9.01 (95% CI: 7.74–10.28, p