Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.17/2348
Título: American Society of Anesthesiologists Score: Still Useful After 60 Years? Results of the EuSOS Study
Autor: Moreno, R
Pearse, R
Rhodes, A
Palavras-chave: HSJ UCI
Cohort Studies
Decision Trees
Follow-Up Studies
Health Status
Hospital Mortality
Postoperative Complications/mortality
Societies, Medical
United States
Data: 2015
Editora: Pubmed Central
Citação: Rev Bras Ter Intensiva. 2015 Apr-Jun;27(2):105-12
Resumo: OBJECTIVE: The European Surgical Outcomes Study described mortality following in-patient surgery. Several factors were identified that were able to predict poor outcomes in a multivariate analysis. These included age, procedure urgency, severity and type and the American Association of Anaesthesia score. This study describes in greater detail the relationship between the American Association of Anaesthesia score and postoperative mortality. METHODS: Patients in this 7-day cohort study were enrolled in April 2011. Consecutive patients aged 16 years and older undergoing inpatient non-cardiac surgery with a recorded American Association of Anaesthesia score in 498 hospitals across 28 European nations were included and followed up for a maximum of 60 days. The primary endpoint was in-hospital mortality. Decision tree analysis with the CHAID (SPSS) system was used to delineate nodes associated with mortality. RESULTS: The study enrolled 46,539 patients. Due to missing values, 873 patients were excluded, resulting in the analysis of 45,666 patients. Increasing American Association of Anaesthesia scores were associated with increased admission rates to intensive care and higher mortality rates. Despite a progressive relationship with mortality, discrimination was poor, with an area under the ROC curve of 0.658 (95% CI 0.642 - 0.6775). Using regression trees (CHAID), we identified four discrete American Association of Anaesthesia nodes associated with mortality, with American Association of Anaesthesia 1 and American Association of Anaesthesia 2 compressed into the same node. CONCLUSION: The American Association of Anaesthesia score can be used to determine higher risk groups of surgical patients, but clinicians cannot use the score to discriminate between grades 1 and 2. Overall, the discriminatory power of the model was less than acceptable for widespread use.
Peer review: yes
URI: http://hdl.handle.net/10400.17/2348
DOI: 10.5935/0103-507X.20150020
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