Perioperative Respiratory Adverse Events in Pediatric Patients
OA-SPA Ask the Expert - May 2024
Perioperative Care of Neurodiverse Patients
OA-SPA Pediatric Virtual Grand Rounds - Summer 2024
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Question of the Day
A 55-year-old man has undergone CABG and remains intubated in the ICU postoperatively. His SpO2 has been 90-92% and the respiratory therapist would like to add positive end expiratory pressure (PEEP) to help improve his oxygenation. Which of the following is MOST responsible for the reduction in cardiac output associated with the use of PEEP?
Explanation
While all of the options are associated with the reduction in cardiac output associated with the use of PEEP, the option that is most responsible is the progressive decrease in venous return of blood to the right atrium. The interventricular septum does shift toward the left and there is increased pulmonary vascular resistance from overdistention of alveolar air sacs that contribute to the reduction in cardiac output.
OA Series: May 2024
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OA-SPA Pediatric Anesthesia Virtual Grand Rounds
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