• Resuscitation · Dec 2022

    Evaluating Novel Methods of Outcome Assessment following Cardiac Arrest.

    • Noah Krampe, Nicholas Case, Jon C Rittenberger, Joseph P Condle, Ankur A Doshi, Katharyn L Flickinger, Clifton W Callaway, David J Wallace, Jonathan Elmer, and University of Pittsburgh Post-Cardiac Arrest Service.
    • Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
    • Resuscitation. 2022 Dec 1; 181: 160167160-167.

    IntroductionWe compared novel methods of long-term follow-up after resuscitation from cardiac arrest to a query of the National Death Index (NDI). We hypothesized use of the electronic health record (EHR), and internet-based sources would have high sensitivity for identifying decedents identified by the NDI.MethodsWe performed a retrospective study including patients treated after cardiac arrest at a single academic center from 2010 to 2018. We evaluated two novel methods to ascertain long-term survival and modified Rankin Scale (mRS): 1) a structured chart review of our health system's EHR; and 2) an internet-based search of: a) local newspapers, b) Ancestry.com, c) Facebook, d) Twitter, e) Instagram, and f) Google. If a patient was not reported deceased by any source, we considered them to be alive. We compared results of these novel methods to the NDI to calculate sensitivity. We queried the NDI for 200 in-hospital decedents to evaluate sensitivity against a true criterion standard.ResultsWe included 1,097 patients, 897 (82%) alive at discharge and 200 known decedents (18%). NDI identified 197/200 (99%) of known decedents. The EHR and local newspapers had highest sensitivity compared to the NDI (87% and 86% sensitivity, respectively). Online sources identified 10 likely decedents not identified by the NDI. Functional status estimated from EHR, and internet sources at follow up agreed in 38% of alive patients.ConclusionsNovel methods of outcome assessment are an alternative to NDI for determining patients' vital status. These methods are less reliable for estimating functional status.Copyright © 2022 Elsevier B.V. All rights reserved.

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