Current ventilation practice during general anaesthesia: a retrospective audit in Melbourne, Australia

Autor: Dharshi Karalapillai, Laurence Weinberg, Jonathan Galtieri, Neil Glassford, Glenn Eastwood, Jai Darvall, Jake Geertsema, Ravi Bangia, Jane Fitzgerald, Tuong Phan, Luke OHallaran, Adriano Cocciante, Stuart Watson, David Story, Rinaldo Bellomo
Jazyk: angličtina
Rok vydání: 2014
Předmět:
Zdroj: BMC Anesthesiology, Vol 14, Iss 1, Pp 1-9 (2014)
Druh dokumentu: article
ISSN: 1471-2253
DOI: 10.1186/1471-2253-14-85
Popis: Abstract Background Recent evidence suggests that the use of low tidal volume ventilation with the application of positive end-expiratory pressure (PEEP) may benefit patients at risk of respiratory complications during general anaesthesia. However current Australian practice in this area is unknown. Methods To describe current practice of intraoperative ventilation with regard to tidal volume and application of PEEP, we performed a multicentre audit in patients undergoing general anaesthesia across eight teaching hospitals in Melbourne, Australia. Results We obtained information including demographic characteristics, type of surgery, tidal volume and the use of PEEP in a consecutive cohort of 272 patients. The median age was 56 (IQR 42–69) years; 150 (55%) were male. Most common diagnostic groups were general surgery (31%), orthopaedic surgery (20%) and neurosurgery (9.6%). Mean FiO2 was 0.6 (IQR 0.5-0.7). Median tidal volume was 500 ml (IQR 450-550). PEEP was used in 54% of patients with a median value of 5.0 cmH2O (IQR 4.0-5.0) and median tidal volume corrected for predicted body weight was 9.5 ml/kg (IQR 8.5-10.4). Median peak inspiratory pressure was 18 cmH2O (IQR 15–22). In a cohort of patients considered at risk for respiratory complications, the median tidal volume was still 9.8 ml/kg (IQR 8.6-10.7) and PEEP was applied in 66% of patients with a median value of 5 cmH20 (IQR 4–5). On multivariate analyses positive predictors of tidal volume size included male sex (p
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