Managing Two Patients at Once: Navigating Medical Care for Pregnant Patients with Co-morbidities-Slides

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This presentation by Dr. Lucia Larson focuses on the complex management of hospitalized pregnant patients with co-morbidities, emphasizing the critical role of hospitalists in their care. Key learning objectives include understanding pregnancy-induced physiologic changes affecting disease management, safe use of diagnostic imaging and medications during pregnancy, and principles for treating common medical disorders in pregnant individuals.<br /><br />Pregnancy significantly alters cardiopulmonary physiology—such as increased cardiac output, respiratory rate, and airway edema—affecting the presentation and management of conditions like pneumonia, pulmonary embolism, and asthma. Maternal wellbeing is central to fetal health, underscoring the need to maintain maternal oxygenation (O2 saturation ≥95%, PaO2 ≥70 mmHg).<br /><br />Diagnostic imaging considerations include the generally low risk of prenatal radiation from properly performed studies (e.g., chest x-rays, CT scans) and preference for non-ionizing imaging like ultrasound or MRI without gadolinium. Treatment decisions must balance maternal benefits against fetal risks, recognizing the background congenital anomaly risk (3-5%) and teratogenicity of certain drugs (e.g., ACE inhibitors, warfarin). Resources such as Reprotox and TERIS provide guidance on medication safety.<br /><br />The case discussed involves a 28-week pregnant woman with asthma and pyelonephritis who develops shortness of breath and hypoxia. Diagnostic and therapeutic approaches include cautious use of imaging, cardiac evaluation, and safe pharmacotherapy (e.g., beta-agonists, corticosteroids for asthma; low molecular weight heparin for pulmonary embolism).<br /><br />The presentation also stresses the importance of considering pregnancy-specific conditions (e.g., preeclampsia, peripartum cardiomyopathy) in differential diagnoses and the unique pharmacokinetics in pregnancy that may necessitate dosing adjustments. Lactation safety resources are also highlighted.<br /><br />In sum, effective management of pregnant patients with medical comorbidities requires integration of obstetric and medical expertise, tailored diagnostics and treatments that prioritize maternal-fetal safety, and utilization of up-to-date teratogenicity data.

Keywords

hospitalized pregnant patients

co-morbidities in pregnancy

hospitalist role in pregnancy care

pregnancy-induced physiologic changes

diagnostic imaging in pregnancy

medication safety during pregnancy

management of asthma in pregnancy

pulmonary embolism in pregnancy

pregnancy-specific conditions

teratogenicity and drug safety