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Acute Respiratory Failure in Pregnancy.
Stephen E Lapinsky1, Daniela N Vasquez2
1Mount Sinai Hospital, Toronto, Interdepartmental Division of Critical Care Medicine, University of Toronto, 600 University Avenue, Toronto M5G1X5, Canada.
Critical Care Clinics
|March 3, 2024
Summary
Managing respiratory failure in pregnancy requires careful consideration of maternal physiology and fetal well-being. Invasive mechanical ventilation strategies must balance maternal oxygenation needs with potential risks of hypocapnia and hypercapnia for the fetus.
Area of Science:
- Obstetrics and Gynecology
- Critical Care Medicine
- Pulmonology
Background:
- Respiratory failure complicates up to 1 in 500 pregnancies.
- Management is complex due to altered maternal physiology and fetal presence.
- Limited research exists on invasive mechanical ventilation during pregnancy.
Purpose of the Study:
- To review the challenges and considerations for invasive mechanical ventilatory management in pregnant patients.
- To highlight the impact of maternal respiratory status on fetal well-being.
- To discuss potential therapeutic strategies and their implications.
Main Methods:
- Literature review of existing studies on respiratory failure in pregnancy.
- Analysis of physiological changes during pregnancy affecting respiratory management.
- Discussion of imaging and pharmacotherapy modifications.
Main Results:
- Hypoxemia poses a significant risk to the fetus, though optimal targets are undefined.
- Hypocapnia can impair uteroplacental circulation; some hypercapnia may be tolerated.
- Fetal delivery is a consideration but does not guarantee maternal respiratory improvement.
Conclusions:
- Invasive mechanical ventilation in pregnancy necessitates a tailored approach.
- Balancing maternal and fetal needs is crucial for optimizing outcomes.
- Further research is needed to establish precise ventilatory targets and management protocols.
Keywords:
Fetal hypoxiaMechanical ventilationObstetric deliveryPregnancy complicationsRespiratory failureMore Related Videos
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