TY - CHAP M1 - Book, Section TI - Hypothermia After Neuraxial Morphine A1 - Hess, Philip E. A2 - Hess, Philip E. A2 - Li, Yunping A2 - Kowalczyk, John J. A2 - Stiles, Justin K. Y1 - 2023 N1 - T2 - Obstetric Anesthesia: Quick References & Practical Guides AB - Intrathecal morphine can produce hypothermia after cesarean delivery, likely due to a central effect on opioid receptor for thermoregulation. The incidence is about 6% to 7% in elective cesarean cases and may be dose dependent.1 In a randomized double-blind controlled study, all parturients received spinal anesthesia containing 150 µg morphine or normal saline in addition to 10 to 12 mg bupivacaine for cesarean delivery. In both groups, a significant decrease in core temperature was noted. The patients in morphine group had lower temperature and longer duration of temperature decrease.2 Prompt management of morphine-induced hypothermia can improve patient’s comfort. After lorazepam administration, immediate cessation of symptoms and an increase to normothermia temperature within 90 minutes were often observed.1 Untreated hypothermia may last up to 6 hours. SN - PB - McGraw Hill CY - New York, NY Y2 - 2024/03/28 UR - accessanesthesiology.mhmedical.com/content.aspx?aid=1199674267 ER -