Pre-eclampsia: Difference between revisions
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In [[obstetrics]], '''pre-eclampsia''' is "a complication of pregnancy, characterized by a complex of symptoms including maternal [[hypertension]] and [[proteinuria]] with or without pathological [[edema]]. Symptoms may range between mild and severe. Pre-eclampsia usually occurs after the 20th week of gestation, but may develop before this time in the presence of [[trophoblastic disease]].<ref>{{MeSH}}</ref> | In [[obstetrics]], '''pre-eclampsia''' is "a complication of pregnancy, characterized by a complex of symptoms including maternal [[hypertension]] and [[proteinuria]] with or without pathological [[edema]]. Symptoms may range between mild and severe. Pre-eclampsia usually occurs after the 20th week of gestation, but may develop before this time in the presence of [[trophoblastic disease]].<ref>{{MeSH}}</ref> | ||
The presence of pre-eclampsia is defined by:<ref name=CMDT>{{citation | |||
| contribution = Chapter 18, Obstetric | |||
| author = William R. Crombleholme | |||
| editor = Lawrence M. Tierney Jr., Stephen J. McPhee, Maxine A. Papadakis | |||
| title = Current Medical Diagnosis & Treatment | |||
| publisher = Lange/McGraw-Hill | |||
| edition = Forty-fourth Edition | year = 2005 | |||
| isbn = 0071453237 | |||
}}, pp. 747-759</ref> | |||
*Systolic blood pressure greater than 140mm, or diastolic blood pressure greater than 90mm, after 20 weeks of gestation | |||
*[[Proteinuria]] in excess of 0.3 grams in 24 hours. | |||
It progresses to severe pre-eclampsia with the criteria: | |||
*Systolic blood pressure greater than 160mm, or diastolic blood pressure greater than 110mm | |||
*[[Proteinuria]] in excess of 5 grams in 24 hours or a 4+ by dipstick | |||
*[[Oliguria]] with urinary output less than 500 ml in 24 hours | |||
*[[Thrombocytopenia]] | |||
*The HELLP syndrome of hemolysis, eleveted liver enzymes, and low platelets | |||
*[[Pulmonary edema]] | |||
*Fetal growth restriction | |||
==References== | ==References== | ||
<references/> | <references/> | ||
Revision as of 09:57, 4 August 2010
In obstetrics, pre-eclampsia is "a complication of pregnancy, characterized by a complex of symptoms including maternal hypertension and proteinuria with or without pathological edema. Symptoms may range between mild and severe. Pre-eclampsia usually occurs after the 20th week of gestation, but may develop before this time in the presence of trophoblastic disease.[1]
The presence of pre-eclampsia is defined by:[2]
- Systolic blood pressure greater than 140mm, or diastolic blood pressure greater than 90mm, after 20 weeks of gestation
- Proteinuria in excess of 0.3 grams in 24 hours.
It progresses to severe pre-eclampsia with the criteria:
- Systolic blood pressure greater than 160mm, or diastolic blood pressure greater than 110mm
- Proteinuria in excess of 5 grams in 24 hours or a 4+ by dipstick
- Oliguria with urinary output less than 500 ml in 24 hours
- Thrombocytopenia
- The HELLP syndrome of hemolysis, eleveted liver enzymes, and low platelets
- Pulmonary edema
- Fetal growth restriction
References
- ↑ Anonymous (2024), Pre-eclampsia (English). Medical Subject Headings. U.S. National Library of Medicine.
- ↑ William R. Crombleholme (2005), Chapter 18, Obstetric, in Lawrence M. Tierney Jr., Stephen J. McPhee, Maxine A. Papadakis, Current Medical Diagnosis & Treatment (Forty-fourth Edition ed.), Lange/McGraw-Hill, ISBN 0071453237, pp. 747-759