Basic Summary for Preeclampsia


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Main name of condition: Preeclampsia
Other names or spellings: toxemia of pregnancy, pregnancy-induced hypertension, PIH, preeclamptic toxemia


What is Preeclampsia?
  Brief description of Preeclampsia: High blood pressure problems in second half of pregnancy.
  Parent types of Preeclampsia: Hypertension, Blood vessel conditions, Blood conditions, Toxemia
  Organs Affected by Preeclampsia: blood, blood pressure, blood vessels
How many people get Preeclampsia?
  Incidence (annual) of Preeclampsia: 146,320 cases (1998/NHLBI); about 5% of pregnancies.
  Incidence Rate of Preeclampsia: approx 1 in 1,858 or 0.05% or 146,320 people in USA [about data]
  Prevalance of Preeclampsia: Preeclampsia is the most common hypertensive disorder during pregnancy, affecting an estimated 5-8% of pregnant women annually in the United States, and has the greatest effect on maternal and infant outcome.1
  Incidence of Preeclampsia: High blood pressure problems occur in 6 percent to 8 percent of all pregnancies in the U.S., about 70 percent of which are first-time pregnancies. In 1998, more than 146,320 cases of preeclampsia alone were diagnosed.2
Who gets Preeclampsia?
  Patient Profile for Preeclampsia: Pregnant women; usually after 20th week of pregnancy.
  Gender Profile for Preeclampsia: Pregnant women only.
How serious is Preeclampsia?
  Prognosis of Preeclampsia: Good with prompt treatment. Mother symptoms usually disappear within 6 weeks of delivery, without major long-term complications. Baby complications can be mostly avoided if the condition is controlled.
  Prognosis of Preeclampsia: In women with preeclampsia, blood pressure usually returns to baseline within days to weeks after delivery. 1
  Complications of Preeclampsia: see complications of Preeclampsia
What causes Preeclampsia?
  Causes of Preeclampsia: see causes of Preeclampsia
  Risk factors for Preeclampsia: see risk factors for Preeclampsia
What are the symptoms of Preeclampsia?
  Symptoms of Preeclampsia: see symptoms of Preeclampsia
Can anyone else get Preeclampsia?
  Inheritance: see inheritance of Preeclampsia
How is it treated?
  Treatments for Preeclampsia: see treatments for Preeclampsia
  Prevention of Preeclampsia: see prevention of Preeclampsia
  Research for Preeclampsia: see research for Preeclampsia
Society issues for Preeclampsia
  Hospitalization statistics for Preeclampsia: The following are statistics from various sources about hospitalizations and Preeclampsia:
  • 0.013% (1,682 ) of hospital consultant episodes were for pre-existing hypertension complications complicating pregnancy, childbirth and puerperium in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 98% of hospital consultant episodes for pre-existing hypertension complications complicating pregnancy, childbirth and puerperium required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 100% of hospital consultant episodes for pre-existing hypertension complications complicating pregnancy, childbirth and puerperium were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 3% of hospital consultant episodes for pre-existing hypertension complications complicating pregnancy, childbirth and puerperium required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 2.2 days was the mean length of stay in hospitals for pre-existing hypertension complications complicating pregnancy, childbirth and puerperium in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 1 days was the median length of stay in hospitals for pre-existing hypertension complications complicating pregnancy, childbirth and puerperium in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 32 was the mean age of patients hospitalised for pre-existing hypertension complications complicating pregnancy, childbirth and puerperium in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 100% of hospital consultant episodes for pre-existing hypertension complications complicating pregnancy, childbirth and puerperium occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0% of hospital consultant episodes for pre-existing hypertension complications complicating pregnancy, childbirth and puerperium occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 3% of hospital consultant episodes for pre-existing hypertension complications complicating pregnancy, childbirth and puerperium were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.007% (3,455) of hospital bed days were for pre-existing hypertension complications complicating pregnancy, childbirth and puerperium in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.002% (242) of hospital consultant episodes were for pre-existing hypertension disorder with superimposed proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 98% of hospital consultant episodes for pre-existing hypertension disorder with superimposed proteinuria required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 100% of hospital consultant episodes for pre-existing hypertension disorder with superimposed proteinuria were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 2% of hospital consultant episodes for pre-existing hypertension disorder with superimposed proteinuria required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 5.4 days was the mean length of stay in hospitals for pre-existing hypertension disorder with superimposed proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 3 days was the median length of stay in hospitals for pre-existing hypertension disorder with superimposed proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 31 was the mean age of patients hospitalised for pre-existing hypertension disorder with superimposed proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 100% of hospital consultant episodes for pre-existing hypertension disorder with superimposed proteinuria occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0% of hospital consultant episodes for pre-existing hypertension disorder with superimposed proteinuria occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 1% of hospital consultant episodes for pre-existing hypertension disorder with superimposed proteinuria were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.002% (1,247) of hospital bed days were for pre-existing hypertension disorder with superimposed proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.13% (16,383) of hospital consultant episodes were for gestational hypertension without significant proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 98% of hospital consultant episodes for gestational hypertension without significant proteinuria required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 100% of hospital consultant episodes for gestational hypertension without significant proteinuria were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 2% of hospital consultant episodes for gestational hypertension without significant proteinuria required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 2.1 days was the mean length of stay in hospitals for gestational hypertension without significant proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 1 days was the median length of stay in hospitals for gestational hypertension without significant proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 29 was the mean age of patients hospitalised for gestational hypertension without significant proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 100% of hospital consultant episodes for gestational hypertension without significant proteinuria occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0% of hospital consultant episodes for gestational hypertension without significant proteinuria occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 1% of hospital consultant episodes for gestational hypertension without significant proteinuria were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.06% (32,479) of hospital bed days were for gestational hypertension without significant proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.094% (11,949) of hospital consultant episodes were for gestational hypertension with significant proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 96% of hospital consultant episodes for gestational hypertension with significant proteinuria required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 100% of hospital consultant episodes for gestational hypertension with significant proteinuria were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 2% of hospital consultant episodes for gestational hypertension with significant proteinuria required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 5 days was the mean length of stay in hospitals for gestational hypertension with significant proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 3 days was the median length of stay in hospitals for gestational hypertension with significant proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 29 was the mean age of patients hospitalised for gestational hypertension with significant proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 100% of hospital consultant episodes for gestational hypertension with significant proteinuria occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0% of hospital consultant episodes for gestational hypertension with significant proteinuria occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 3% of hospital consultant episodes for gestational hypertension with significant proteinuria were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.105% (54,808) of hospital bed days were for gestational hypertension with significant proteinuria in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.002% (266) of hospital consultant episodes were for eclampsia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 87% of hospital consultant episodes for eclampsia required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 100% of hospital consultant episodes for eclampsia were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 6% of hospital consultant episodes for eclampsia required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 5.8 days was the mean length of stay in hospitals for eclampsia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 5 days was the median length of stay in hospitals for eclampsia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 28 was the mean age of patients hospitalised for eclampsia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 100% of hospital consultant episodes for eclampsia occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0% of hospital consultant episodes for eclampsia occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0% of hospital consultant episodes for eclampsia were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.003% (1,398) of hospital bed days were for eclampsia in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.206% (26,227) of hospital consultant episodes were for unspecified maternal hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 99% of hospital consultant episodes for unspecified maternal hypertension required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 100% of hospital consultant episodes for unspecified maternal hypertension were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 2% of hospital consultant episodes for unspecified maternal hypertension required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 1.3 days was the mean length of stay in hospitals for unspecified maternal hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0 days was the median length of stay in hospitals for unspecified maternal hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 30 was the mean age of patients hospitalised for unspecified maternal hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 10% of hospital consultant episodes for unspecified maternal hypertension occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0% of hospital consultant episodes for unspecified maternal hypertension occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 8% of hospital consultant episodes for unspecified maternal hypertension were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.06% (30,391) of hospital bed days were for unspecified maternal hypertension in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)


Footnotes:
1. excerpt from REPORT of the WORKING GROUP on RESEARCH on HYPERTENSION DURING PREGNANCY: NHLBI
2. excerpt from High Blood Pressure in Pregnancy: NHLBI

Last revision: June 12, 2003

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