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8 Cards in this Set
- Front
- Back
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What is an amniotic fluid embolism? |
-Maternal anaphylactoid reaction to amniotic fluid in the maternal circulation |
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What happens with an amniotic fluid embolism? |
-The is a breach between the maternal circulation and the amniotic sac, amniotic fluid enters the maternal circulation -Sudden cardiovascular collapse -Left ventricle heart failure -DIC |
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What are some risk factors for amniotic fluid embolism? |
-No PROVEN risk factors |
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When can amniotic fluid embolisms occur? |
- 70% occur in labour -11% occur after a vaginal delivery - 19% occur after LSCS |
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What are the national registry criteria to diagnose an amniotic fluid embolism? |
-Acute hypotension or cardiac arrest -Acute hypoxia -Coagulopathy -Onset: during labour, delivery, or 30minutes postpartum -Absence of any other significant conditions |
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Diagnosing AFE |
-Often done by excluding everything else -Lab evidence not reliable: amniotic fluid and fetal cells have been found in women without embolisms as well as women who have died from them |
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What are the interventions/management of an AFE? |
-Early recognition, call for help- obstetric emergency, multidisciplinary approach -Prepare for respiratory/cardiac arrest -Iv lines, fluid resuscitation, 02, bloods:fbc, g+h, coags, D-Dimer, ABG'S -blood and blood products -ECG -CPR as required -fetal heart recording & delivery, -P/N blood loss estimate, hysterectomy |
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What is the prognosis of an AFE? |
-Maternal mortality 60%, most survivors have neurological deficits -Neonatal mortality 30% -Neonatal morbidity 50% will be neurologically intact |
