Anaesthesia and intensive care
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Anaesth Intensive Care · Jan 2017
The addition of tick-boxes related to tobacco cessation improves smoking-related documentation in the anaesthesia chart.
The Australian and New Zealand College of Anaesthetists (ANZCA) 'Guidelines on Smoking as Related to the Perioperative Period (PS12)' recommends that anaesthetists should always ask about smoking, advise quitting and refer patients to their general practitioner (GP) or a telephone quit-line for quit support. In this study we evaluated the effect of adding tick-boxes for 'quit advice given' and 'referral to GP/Quitline' to anaesthesia charts of elective surgical patients to assess whether this intervention changed documentation of compliance with the ANZCA guideline. The anaesthesia charts of all smokers were reviewed for evidence of asking, advising and referring, over two three-month periods (n=999) separated by the intervention of placing a sticker to modify the preoperative charts of all elective patients which added tick-box prompts of advice and referral. ⋯ Evidence of advice to quit was 1.8% prior to, rising to 18.7% after, the intervention (P <0.001), while evidence of referral rose from 0.9% to 5.8%. There was negligible change in non-elective patients, who did not receive the intervention. The addition of tick-boxes improved the documentation of smoking cessation support, but as documented rates of quit support remained relatively low even after the intervention, tick-boxes alone cannot be relied upon to improve alignment of care with the ANZCA guidelines.
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Anaesth Intensive Care · Jan 2017
Case ReportsElective use of veno-venous extracorporeal membrane oxygenation and high-flow nasal oxygen for resection of subtotal malignant distal airway obstruction.
We describe the use of peripheral veno-venous extracorporeal membrane oxygenation (VV ECMO) and high-flow nasal oxygen as procedural support in a patient undergoing debulking of a malignant tumour of the lower airway. Due to the significant risk of complete airway obstruction upon induction of anaesthesia, ECMO was established while the patient was awake, and was maintained without systemic anticoagulation to minimise the risk of intraoperative bleeding. This case illustrates that ECMO support with high-flow nasal oxygen can be considered as part of the algorithm for airway management during surgery for subtotal lower airway obstruction, as it may be the only viable option for maintaining adequate gas exchange.
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Anaesth Intensive Care · Jan 2017
Haptoglobin and free haemoglobin during cardiac surgery-is there a link to acute kidney injury?
Acute kidney injury (AKI) is frequently observed after cardiac surgery (CS) with cardiopulmonary bypass (CPB). Multiple mechanisms underlie this phenomenon, including CPB-dependent haemolysis. Haemoglobin is released during haemolysis, and free haemoglobin (frHb) causes tubular cell injury after exceeding the binding capacity of haptoglobin (Hp). ⋯ We noted a moderate negative correlation between frHb and Hp levels. AKI was identified in 45.5% of patients; however, there was no significant difference in frHb or Hp levels between patients with and without AKI. We did not observe a relationship between frHb or Hp levels and CSA AKI and thus could not confirm the hypothesis that patients with higher baseline Hp concentrations experience a lower incidence of AKI than patients with lower baseline Hp concentrations.
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Anaesth Intensive Care · Jan 2017
A cross-sectional overview of the first 4,000 incidents reported to webAIRS, a de-identified web-based anaesthesia incident reporting system in Australia and New Zealand.
webAIRS is a web-based de-identified anaesthesia incident reporting system, which was introduced in Australia and New Zealand in September 2009. By July 2016, 4,000 incident reports had been received. The incidents covered a wide range of patient age (<28 days to >90 years), American Society of Anesthesiologists physical status, and body mass index (<18.5 to >50 kg/m2). ⋯ The narratives accompanying each incident provide a rich source of information, which will be analysed in subsequent reports on particular incident types. The summary data in this initial overview are a sober reminder of the prevalence and unpredictability of anaesthesia incidents, and their potential morbidity and mortality. The data justify current efforts to better prevent and manage anaesthesia incidents in Australia and New Zealand, and identify areas in which increased resources or additional initiatives may be required.
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Anaesth Intensive Care · Jan 2017
Aetiology of preoperative anaemia in patients undergoing elective cardiac surgery-the challenge of pillar one of Patient Blood Management.
Preoperative anaemia is common in patients undergoing cardiac surgery. Whilst there is a strong association with increased morbidity and mortality, it is currently unclear whether treatment of anaemia leads to patient benefit. This retrospective study aimed to determine the aetiology of preoperative anaemia in a cohort of patients undergoing elective cardiac surgery over two years at a tertiary hospital. ⋯ Time between assessment and surgery was as little as one day in a third of patients and in only 7% was it more than seven days. Our findings indicate that about one-third of our patients with preoperative anaemia had evidence of iron deficiency, a potentially reversible cause of anaemia. In addition, a significant number had either limited iron stores that may render them iron deficient by surgery, or a functional iron deficiency.