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We report a case of sudden airway bleeding and airway loss secondary to an accidental misconnection of oxygen tubing to a "Smart Cuff Manager" (TRACOE, TRACOE medical GmbH) instead of a "Humidotrach" (heat and moisture exchange (HME) filter; Humidotrach Pro Iso, Fahl Medizintechnik-Vertrieb GmbH).
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Tzabazis et al. (2026) studied this question.
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