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One Laryngospasm, 2 Realities

A Case Report Highlighting the Impact of Data Granularity on Post Hoc Analysis of Perioperative Events

Simpao, Allan F., MD, MBI*,‡,§; Ma, Annie A., BS†,‡,§; Tan, Jonathan M., MD, MPH*,‡,§; Wasey, Jack O., BM BCh, MA, MSci, MSc‡,§; Masino, Aaron J., PhD‡,§; Gálvez, Jorge A., MD, MBI*,§

doi: 10.1213/XAA.0000000000000817
Case Reports

We present the case of a laryngospasm event in a 21-month-old child in which the changes in pulse oximetry and end-tidal carbon dioxide were recorded by both our Anesthesia Information Management System and middleware medical device integration platform. When this case was analyzed retrospectively, we noted that the 2 systems recorded the event very differently with respect to pulse oximetry. This case report illustrates the impact of data sampling rates on post hoc analysis of perioperative events and highlights the importance of understanding data collection processes when using electronically recorded data.

From the *Department of Anesthesiology and Critical Care, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania

Drexel University College of Medicine, Philadelphia, Pennsylvania

Department of Biomedical and Health Informatics, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania

§Department of Anesthesiology and Critical Care Medicine, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania.

Accepted for publication May 10, 2018.

Funding: None.

The authors declare no conflicts of interest.

Address correspondence to Allan F. Simpao, MD, MBI, Perelman School of Medicine at the University of Pennsylvania, Children’s Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA 19104. Address e-mail to simpaoa@email.chop.edu.

© 2018 International Anesthesia Research Society
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