Journal of clinical anesthesia
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To measure resistance of the Combitube, a supraglottic ventilatory device used in the management of the patients with difficult airways, and its influence on delivered ventilatory pressures. ⋯ The Combitube has significant airflow resistance that should be considered when patients are mechanically ventilated because the delivered oropharyngeal pressure is significantly lower than the pressure measured at the anesthesia breathing system.
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A 35-year-old, 39-week pregnant woman underwent an uneventful emergent cesarean delivery for suspected placental abruption or uterine dehiscence. Given the urgency of the situation and the unremarkable airway anatomy, general anesthesia was the chosen technique. ⋯ Hematology tests performed before the cesarean delivery revealed severe thrombocytopenia. This was later diagnosed as idiopathic thrombocytopenia, which was treated successfully with steroid therapy.
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To compare the effect of inspiratory time and lung compliance on tidal volume (Vt) delivery in anesthesia and intensive care unit (ICU) ventilators operating in pressure control mode. ⋯ Differences in inspiratory flow delivery between ICU and anesthesia ventilators can cause differences in Vt delivery when the pressure control mode is used at high RRs. These differences can significantly impact the perioperative care of critically ill patients requiring ventilatory support.