Aortocaval compression syndrome
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Aortocaval compression syndrome, is compression of the abdominal aorta and inferior vena cava by the gravid uterus when a pregnant woman lies on her back, i.e. in the supine position. It is a frequent cause of low maternal blood pressure (hypotension), which can in result in loss of consciousness[1] and in extreme circumstances fetal demise.[2]
Aortocaval compression is thought to be the cause of supine hypotensive syndrome. Supine hypotensive syndrome is characterized by pallor, tachycardia, sweating, nausea, hypotension and dizziness and occurs when a pregnant woman lies on her back and resolves when they are turned on their side.[3]
[edit] See also
[edit] References
- ^ Kiefer R, Ploppa A, Dieterich H (2003). "[Aortocaval compression syndrome]". Anaesthesist 52 (11): 1073-83; quiz 1084. PMID 14992095.
- ^ Banaś T, Godula Z, Herman R (2004). "[Aortocaval compression syndrome as an explanation of sudden intrauterine death of mature twins at term. Case report]". Ginekol Pol 75 (8): 633-7. PMID 15517787.
- ^ Sharma S. Shock and Pregnancy. eMedicine.com. URL: http://www.emedicine.com/med/topic3285.htm. Accessed on: March 11, 2007.
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