Hypertension

The prevalence of hypertension is high in many countries

Hypertension is an important and growing public health challenge.1-3 WHO data show that the prevalence of hypertension remains high in many countries.1 An estimated 1 billion people suffered from hypertension in 2013.1 This number is estimated to increase to 1.5 billion people by 2025.1,2

Global healthcare costs attributable to hypertension over a 10-year period have been estimated at US$1,000,000,000,000, if current blood pressure levels persist.3

Blood pressure control is suboptimal

BP control: proportion with BP <140/90 mmHg among those receiving treatment.

South Asia: Bangladesh, India, Pakistan.
Africa: South Africa, Zimbabwe.
North America / EU: Canada, Sweden, Poland.

Middle East: Iran, Turkey, United Arab Emirates.
South America: Argentina, Brazil, Chile, Colombia.

Adapted from Chow CK, et al. JAMA. 2013;310:959–68.

Many people who receive treatment for hypertension fail to meet target levels of blood pressure.4,5 A treatment which lowers BP by even a few mmHg may reduce the risk of complications. For individuals between the ages of 40–69 years, each difference of 20 mmHg usual SBP (or, approximately equivalently, 10 mmHg usual DBP) is associated with more than a twofold difference in the stroke death rate, and with twofold differences in the death rates from ischaemic heart disease (IHD) and from other vascular causes.6

There is an urgent need to address the impact of hypertension, particularly in Asia

Kearney PM, et al. Lancet. 2005;365:217-23.
*Estimates for 2025 were based on the projected changes in size and age composition of the population and did not include an estimate of changes in incidence of hypertension.
Prehypertension (SBP/DBP: 120-139/80-89 mmHg).
Isolated diastolic hypertension (SBP <140 mmHg and DBP ≥90 mmHg).
Isolated systolic hypertension (SBP ≥140 mmHg and DBP <90 mmHg).
Systolic-diastolic hypertension (SBP ≥140 mmHg and DBP ≥90 mmHg).

Arima H, et al. Hypertension 2012;59:1118-23.

The prevalence of hypertension in Asian nations is expected to increase through 2025.2 Hypertension arises at a relatively young age in Asian populations and is associated with increased cardiovascular mortality (particularly haemorrhagic stroke) throughout Asia.7,8

Analysis of data from 34,6570 individuals (participants in 36 cohort studies) showed that all Asian hypertensive subgroups have greater associations with total cardiovascular disease than Caucasian cohorts.9

References

  1. WHO. A Global Brief on Hypertension. Geneva (Switzerland);2013.
  2. Kearney PM, et al. Lancet. 2005;365:217-23.
  3. Gaziano TA, et al. J Hypertens. 2009;27:1472-7.
  4. Chow CK, et al. JAMA. 2013;310:959-68.
  5. Chobanian AV, et al. JAMA. 2003;289:2560-72.
  6. Lewington S, et al. Lancet. 2002;360:1903-13.
  7. Martiniuk ALC, et al. J Hypertens 2007;25:73-9.
  8. Singh RB, et al. J Hum Hypertens. 2000.
  9. Arima H, et al. Hypertension 2012;59:1118-23.

Homepage references

  1. Kearney PM, et al. Lancet 2005;365:217-23.
  2. Arima H, et al. Hypertension 2012;59:1118-23.