Hospital administrative database underestimates delirium rate after cardiac surgery

Canadian Journal of Anaesthesia = Journal Canadien D'anesthésie
Rita KatznelsonW Scott Beattie

Abstract

Administrative electronic databases are highly specific for postoperative complications, but they lack sensitivity. The objective of this study was to determine the incidence of delirium after cardiac surgery using a targeted prospectively collected dataset and to compare the findings with the incidence of delirium in the same cohort of patients identified in a hospital administrative database. Following Research Ethics Board approval, we compared delirium rates in a prospectively collected data research database with delirium rates in the same cohort of patients in an administrative hospital database where delirium was identified from codes entered by coding and abstracting staff. Every 12 hr postoperatively, delirium was assessed with a Confusion Assessment Method in the Intensive Care Unit. The administrative database contained the International Classification of Diseases version 10 (ICD-10) codes for patient diagnoses. The ICD-10 codes were extracted from the administrative database for each patient in the research database and were checked for the presence of the ICD-10 code for delirium. Data from a cohort of 1,528 patients were analyzed. Postoperative delirium was identified in 182 (11.9%) patients (95% confidence interv...Continue Reading

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Citations

Apr 1, 2014·Journal of Cardiothoracic and Vascular Anesthesia·Louise EllardGeorge Djaiani
Jul 23, 2013·Psychosomatics·Irving M RetiMatthew J Hayat
Dec 20, 2011·Cirugía española·Nicolás Martínez-VelillaRafael Sánchez-Ostiz
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