Lung mechanics and blood gases during anaesthesia with spontaneous respiration
نویسندگان
چکیده
منابع مشابه
Functional residual capacity during anaesthesia. II. Spontaneous respiration.
Functional residual capacity has been measured by helium dilution in 26 spontaneously breathing patients before and immediately after anaesthesia, which was induced with thiopentone and maintained with halothane. The mean reduction was 390 ml (16.1% or pre-induction value) and the change was highly significant (P less than 0.001). The decrease in FRC correlated with age (r equals 0.41: P less t...
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During normal spontaneous inspiration pulmonary blood flow increases in spite of an increase in resistance to flow in the pulmonary bed. The enhancement of pulmonary flow is caused by an augmentation of venous return due to thoracic aspiration. The right heart acts as a moderator for the pulmonary flow by temporarily storing part of the large influx of venous blood during inspiration and ejecti...
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Arterial Po2 and Pco2 were measured at half-hourly intervals in eleven patients anaesthetized for lower limb vascular surgery with a combination of nitrous oxide 67% and halothane 0.3-0.5% in oxygen, and an extradural injection of bupivacaine. Values for the alveolar-arterial oxygen tension difference, physiological deadspace and deadspace-tidal volume ratio were calculated. Although both the a...
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Key points † Mechanical ventilation can have adverse effects on pulmonary function by several distinct mechanisms. † Patients undergoing one-lung ventilation or cardiopulmonary bypass are at increased risk of developing acute lung injury (ALI). † Protective ventilatory strategies may prevent or reduce ALI. † There is a lack of randomized controlled trials to guide optimal intra-operative ventil...
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Objective: This prospective study performed to evaluate blood biomarkers alterations with administration of propofol for maintenance of anaesthesia during long oral and maxillofacial surgeries in order to estimate the risk of Propofol Infusion Syndrome (PRIS). This rare syndrome often would be happened in long duration or high dose infusion which is characterized by the combination of metabol...
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ژورنال
عنوان ژورنال: Canadian Anaesthetists’ Society Journal
سال: 1970
ISSN: 0008-2856,1496-8975
DOI: 10.1007/bf03004700