Could the unexpected excessive airway pressure be caused by water in the ventilator circuit?: a case report

Taehee Pyeon; Jeong-Yeon Hwang; Sungmin Kim; Hong-Beom Bae; Joungmin Kim

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자료유형: 학술저널

저자정보: Taehee Pyeon (Department of Anesthesiology and Pain Medicine Chonnam National University Medical School Gwangju K) Jeong-Yeon Hwang (Department of Anesthesiology and Pain Medicine Chonnam National University Medical School Gwangju K) Sungmin Kim (Department of Anesthesiology and Pain Medicine Chonnam National University Medical School Gwangju K) Hong-Beom Bae (Department of Anesthesiology and Pain Medicine Chonnam National University Medical School Gwangju K) Joungmin Kim (Department of Anesthesiology and Pain Medicine Chonnam National University Medical School Gwangju K)

저널정보: 조선대학교 의학연구원 Medical Biological Science and Engineering Medical Biological Science and Engineering Vol.2 No.1

발행연도: 2019.1

수록면: 22 - 25 (4page)

이용수

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연구주제

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연구배경

🔬

연구방법

🏆

연구결과

초록· 키워드

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Humidification of inhaled gases has been standard of care in mechanical ventilation recently. Heat and moisture exchange is one of the most important functions of the upper respiratory system. The warming and humidification function through the upper airway disappears when mechanical ventilation with endotracheal intubation. An active humidification system is often used to preserve of warming and humidification function. But, we experienced of unexpected high inspiratory pressure and auto-positive end-expiratory pressure (PEEP) during mechanical ventilation with heated wire humidifier that one of active humidification system. We did not find any factor to raise airway pressure other than the water in the inspiratory limb of circuit. After some of sterile water in the circuit removed, high inspiratory pressure and auto-PEEP reduced. So we think that inspiratory limb water is a rare cause of airway pressure rise. Therefore, if sudden high peak airway pressure and auto-PEEP is encountered upon ventilation, the ventilator circuit status should be checked for the safety of patients.

#Mechanical ventilation #Airway pressure #Heated humidifiers

참고문헌 (9)

참고문헌 신청

Al Ashry HS / 2014 / Humidification during mechanical ventilation in the adult patient / Biomed Res Int 2014:715434

Vargas M / 2017 / Heat and moisture exchangers (HMEs) and heated humidifiers (HHs) in adult critically ill patients: a systematic review, meta-analysis and meta-regression of randomized controlled trials / Crit Care 21:123

Plotnikow GA / 2018 / Humidification and heating of inhaled gas in patients with artificial airway. A narrative review / Rev Bras Ter Intensiva 30:86~97

Saito S / 1990 / Massive water infusion into the patient’s trachea during the use of cascade type heated humidifier / Masui 39:1055~1058

Covert T / 2015 / Differential diagnosis of high peak airway pressures / Dimens Crit Care Nurs 34:19~23

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