What is Hypertension?

What is Hypertension?

• Hypertension: High blood pressure.
• Hypertension: hypertension occurring without preexisting renal disease or known organic cause.
  Source - Diseases Database
• Hypertension: a common disorder in which blood pressure remains abnormally high (a reading of 140/90 mm Hg or greater).
  Source - WordNet 2.1

Name and Aliases of Hypertension

Main name of condition: Hypertension

High Blood Pressure, Blood Pressure, High, Systemic hypertension, Essential hypertension, Hypertensive disease, the silent killer, silent killer, primary hypertension

Primary hypertension, Blood pressure raised, systemic Source - Diseases Database

High blood pressure
Source - WordNet 2.1

Types of Hypertension:

Subtypes of Hypertension: Primary Hypertension, Secondary Hypertension, Hypertension subtypes based on ranges:, Optimal Blood Pressure, Normal Blood Pressure, High-Normal Blood Pressure, Hypertension Stage 1, Hypertension Stage 2, Hypertension Stage 3, Isolated systolic hypertension (ISH), Hypertension during pregnancy:, Gestational hypertension, Preeclampsia, Eclampsia, Pulmonary hypertension, Malignant hypertension
Parent types of Hypertension: Chronic Illness, Systemic disorders, Blood vessel conditions, Cardiovascular Disease, Heart disease, Blood conditions, Under-diagnosed conditions, Silent conditions, Polygenic diseases

Organs Affected by Hypertension:

blood, blood vessels, blood pressure

How many people get Hypertension?

Prevalance of Hypertension: 50 million Americans (NHLBI); 217 per 1000 (NHIS95)
Prevalance Rate of Hypertension: approx 1 in 5 or 18.38% or 50 million people in USA [about data]
Undiagnosed prevalence of Hypertension: more than 15 million (more than 30% of 50 million are undiagnosed)
Undiagnosed prevalence rate of Hypertension: approx 1 in 18 or 5.51% or 15 million people in USA [about data]
Worldwide prevalence: estimated 600 million people affected worldwide (Cardiovascular Diseases – Prevention and Control, WHO, 2001-2002)

Who gets Hypertension?

Patient Profile for Hypertension: Commonly older adults (over 40's); 60% of Americans over 60
Race Profile for Hypertension: More common and earlier in African Americans. Women: 34.2% African American women, 22.0% Hispanic women, 19.3% Caucasian women (NWHIC)

How serious is Hypertension?

Deaths for Hypertension: 16,968 annual deaths from primary hypertension and hypertensive renal disease in 1999 USA (NVSR Sep 2001)
Complications of Hypertension: see complications of Hypertension

What causes Hypertension?

Causes of Hypertension: see causes of Hypertension
Risk factors for Hypertension: see risk factors for Hypertension

How is it treated?

Treatments for Hypertension: see treatments for Hypertension
Prevention of Hypertension: see prevention of Hypertension
Research for Hypertension: see research for Hypertension

Society issues for Hypertension

Costs of Hypertension: $47.2 billion with $34.4b direct, $6.7b morbidity, $6.1bb mortality (NHLBI 2002)

Cost statistics for Hypertension: The following are statistics from various sources about costs and Hypertension:

• $831 million spent on prevention and treatment in Australia 1993-94 (Australian Institute of Health and Welfare, 2003)

• 0.17% (22,006) of hospital episodes were for hypertensive disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 79% of hospital consultations for hypertensive disease required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 52% of hospital episodes for hypertensive disease were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 48% of hospital episodes for hypertensive disease were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 50% of hospital admissions for hypertensive disease required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 7.7 days was the mean length of stay in hospitals for hypertensive disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 3 days was the median length of stay in hospitals for hypertensive disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 61 was the mean age of patients hospitalised for hypertensive disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 35% of hospitalisations for hypertensive disease occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 29% of hospitalisations for hypertensive disease occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 16% of hospitalisations for hypertensive disease were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 0.2% (103,989) of hospital bed days were for hypertensive disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 0.072% (9,209) of hospital consultant episodes were for primary hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 83% of hospital consultant episodes for primary hypertension required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 44% of hospital consultant episodes for primary hypertension were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 56% of hospital consultant episodes for primary hypertension were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 66% of hospital consultant episodes for primary hypertension required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 7 days was the mean length of stay in hospitals for primary hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 3 days was the median length of stay in hospitals for primary hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 61 was the mean age of patients hospitalised for primary hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 40% of hospital consultant episodes for primary hypertension occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 28% of hospital consultant episodes for primary hypertension occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 15% of hospital consultant episodes for primary hypertension were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 0.081% (42,506) of hospital bed days were for primary hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 0.001% (163) of hospital consultant episodes were for secondary hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 86% of hospital consultant episodes for secondary hypertension required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 56% of hospital consultant episodes for secondary hypertension were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 44% of hospital consultant episodes for secondary hypertension were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 58% of hospital consultant episodes for secondary hypertension required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 5.1 days was the mean length of stay in hospitals for secondary hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 2 days was the median length of stay in hospitals for secondary hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 43 was the mean age of patients hospitalised for secondary hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 24% of hospital consultant episodes for secondary hypertension occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 19% of hospital consultant episodes for secondary hypertension occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 13% of hospital consultant episodes for secondary hypertension were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 0.001% (605) of hospital bed days were for secondary hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 0.087% (11,153) of hospital consultant episodes were for hypertensive renal disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 77% of hospital consultant episodes for hypertensive renal disease required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 58% of hospital consultant episodes for hypertensive renal disease were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 42% of hospital consultant episodes for hypertensive renal disease were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 33% of hospital consultant episodes for hypertensive renal disease required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 7.9 days was the mean length of stay in hospitals for hypertensive renal disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 2 days was the median length of stay in hospitals for hypertensive renal disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 61 was the mean age of patients hospitalised for hypertensive renal disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 33% of hospital consultant episodes for hypertensive renal disease occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 28% of hospital consultant episodes for hypertensive renal disease occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 19% of hospital consultant episodes for hypertensive renal disease were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 0.096% (50,158) of hospital bed days were for hypertensive renal disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 0.003% (324) of hospital consultant episodes were for hypertensive heart and renal disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 62% of hospital consultant episodes for hypertensive heart and renal disease required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 58% of hospital consultant episodes for hypertensive heart and renal disease were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 42% of hospital consultant episodes for hypertensive heart and renal disease were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 72% of hospital consultant episodes for hypertensive heart and renal disease required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 14.2 days was the mean length of stay in hospitals for hypertensive heart and renal disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 10 days was the median length of stay in hospitals for hypertensive heart and renal disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 72 was the mean age of patients hospitalised for hypertensive heart and renal disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 15% of hospital consultant episodes for hypertensive heart and renal disease occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 53% of hospital consultant episodes for hypertensive heart and renal disease occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 6% of hospital consultant episodes for hypertensive heart and renal disease were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
• 0.006% (2,920) of hospital bed days were for hypertensive heart and renal disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)

• 10.4 million visits to physician office was due to hypertension in the US 2001 (National Ambulatory Medical Care Survey: 2001 Survey, NCHS, CDC)
• 1.2 million visits to a hospital outpatient department was due to hypertension in the US 2002 (National Ambulatory Medical Care Survey: 2001 Survey, NCHS, CDC)
• 10,467,000 people visited a physician’s office for hypertension in the US 2001 (National Hospital Ambulatory Medical Care Survey: 2001)
• 1.2 million visits to a hospital outpatient department was due to hypertension in the US 2002 (National Ambulatory Medical Care Survey: 2001 Survey, NCHS, CDC)