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- W3031159794 abstract "：Objective To study theeffect of positive pressure ventilation extubation on arterial blood gas indexes ofpatients undergoing cardiac surgery. Methods 50 patients with orotracheal intubation afterintracardiac opening operation under direct vision were randomly divided into the controlgroup and the experimental group with 25 cases in each group. We used traditional methodto pull out tracheal intubation in the control group. And positive pressure ventilation at5 ～15 cm H2O during inspiration and pulling out tracheal intubationduring expiration in the experimental group. The change of arterial blood PaO2, PaCO2,SaO2, pH and respiratory rate before and 1min、5min、10min after extubation wasobserved,and also the incidence rate of air tube obstruction was recorded. Results Thechange amplitude of arterial blood gas indexes of patients in the experimental group wasobviously lower,and the length of change time reduced more than 50%. There were 4 air tubeobstructions in the control group and there was no obstruction in the experimental group.The difference was statistically significant. Conclusions Positive pressure ventilationextubation can raise lung's compliance and improve oxygenation. And arterial blood gasindexes are more stable. It can decrease the incidence rate of hypoxemia and is a muchmore safe method.Key words: Open heart surgery; Pulling out tracheal intubation; Arterial blood gas analysis; Nursing care" @default.
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- W3031159794 date "2011-04-18" @default.
- W3031159794 modified "2023-09-25" @default.
- W3031159794 title "Effect of positivepressure ventilation extubation on arterial blood gas indexes of patients undergoingcardiac surgery" @default.
- W3031159794 doi "https://doi.org/10.3760/cma.j.issn.1672-7088.2011.11.043" @default.
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