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Summary of the Day

Coronary Artery Anatomy and Coronary Perfusion Pressure

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Question of the Day

A male infant born at 30-weeks gestational age is now 48-weeks postconceptual age and presents for inguinal hernia repair. How many hours after surgery is the risk for postoperative apnea MOST INCREASED in this infant?

Question of the Day
A male infant born at 30-weeks gestational age is now 48-weeks postconceptual age and presents for inguinal hernia repair. How many hours after surgery is the risk for postoperative apnea MOST INCREASED in this infant?
Your Answer
Correct Answer

Explanation

Former preterm infants who present to the OR for surgery may be at increased risk for postoperative apnea. The highest risk for postoperative apnea and bradycardia is within 6 hours of surgery. Episodes of apnea and bradycardia may be seen up to 12 hours after surgery, especially for infants with greater prematurity. Therefore, it is prudent to monitor all infants who are younger than 50-weeks postconceptual age for at least 12 hours after surgery. Some institutions admit and monitor all infants younger than 60 weeks postconceptual age for 24 hours. Outpatient, elective surgery should likely be delayed in all former preterm infants until they are older than 50-60 weeks postconceptual age.

OA Series: October 2025

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OA-SOAP Fellows Webinar Series

Epidurals, Ethics, and Expectations: Talking Risks and Benefits in Obstetric Anesthesia

Joey Bryant-Huppert, MD, Weill Cornell Medicine, New York City, NY

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OA-POCUS Case of the Month

October 2025 POCUS Case of the Month: Lung Ultrasound

Mitchell Fuller, MD, Dartmouth Hitchcock Medical Center, Lebanon, NH, William Lao, MD, New York, NY, Ying Hui Low, MD, Dartmouth Hitchcock Medical Center, Lebanon, NH