• M A Bermejo-Alvarez, P Fervienza, M G Corte-Torres, F Cosío, L J Jiménez-Gómez, and A Hevía.
• Servicios de Anestesiología y Reanimación, Hospital de Cabueñes, Gijón, Asturias. mbermej@hotmail.com
• Rev Esp Anestesiol Reanim. 2006 Feb 1;53(2):114-8.

AbstractAmniotic fluid embolism is an obstetric complication that can present during pregnancy or labor and is associated with high rates of morbidity and mortality. The incidence is low but the mortality rates for both mother and fetus are high. A 34-year-old woman in the 41st week of gestation was admitted for induction of labor. While still in the labor room, she complained of pruritus around the mouth and tongue. Tonic-clonic convulsions, hypotension, and loss of consciousness followed. Cardiopulmonary resuscitation maneuvers were started and an immediate cesarean section under general anesthesia was performed to deliver a live infant boy. The Apgar score at 5 minutes was 8. The mother was transferred for recovery to the intensive care unit (ICU), where rapid cardiocirculatory and pulmonary decline continued. After 2 episodes of electromechanical dissociation, exitus occurred 2 hours after ICU admission. The autopsy confirmed the diagnosis of amniotic fluid embolism. Keratin squames were found in the capillaries of both lungs and polymorphonuclear cells and proteinaceous material were observed in alveoli. Mechanical obstruction is not the only cause of amniotic fluid embolism. Circulating substances that affect myocardial contractility and coagulation are also implicated and the cause may even be an allergic reaction. The usual signs are acute respiratory failure, cardiovascular collapse, and occasionally convulsions and coagulopathy. Cardiac arrest occurs in 80% of the cases. Treatment is symptomatic to provide life-sustaining measures in response to the clinical picture as it develops.

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