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Anesth Analg 2007; 105:1592-1597
© 2007 International Anesthesia Research Society
doi: 10.1213/01.ane.0000287816.44124.03
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PEDIATRIC ANESTHESIOLOGY

A Prospective Evaluation of the POVOC Score for the Prediction of Postoperative Vomiting in Children

Peter Kranke, MD, PhD, MBA*, Leopold H. Eberhart, MD, PhD{dagger}, Hakki Toker, MD{ddagger}, Norbert Roewer, MD, PhD*, Hinnerk Wulf, MD, PhD{dagger}, and Peter Kiefer, MD, PhD{ddagger}

From the *Department of Anaesthesiology, University Hospitals of Würzburg, Würzburg, Germany; {dagger}Department of Anaesthesiology and Critical Care, University Hospitals of Marburg and Giessen GmbH, Campus Marburg, Germany; and {ddagger}Department of Anaesthesiology, Evangelischen Krankenhauses Oberhausen, Germany.

Address correspondence and reprint requests to Priv.-Doz. Dr. Peter Kranke, Department of Anaesthesiology, University Hospitals of Würzburg, D-97080 Würzburg, Germany. Address e-mail to peter.kranke{at}t-online.de.

Abstract

BACKGROUND: A score to predict postoperative vomiting (PV) in children (POVOC score) has recently been published but has not yet undergone an external validation.

METHODS: We studied 673 patients (age 0–16 yr) undergoing a variety of surgical procedures (but excluding strabismus surgery, one of the risk factors according to the POVOC score) using standardized anesthesia techniques without administering antiemetics. The patients were prospectively screened for PV in the postoperative period and these incidences were compared with the predicted risk for PV according to the POVOC score. The POVOC score was evaluated with respect to its ease of use, discrimination, and calibration.

RESULTS: Complete data to predict the risk for PV could be obtained in 95% of patients. The actual observed incidences of PV were 3.4, 11.6, 28.2, and 42.3% for the presence of 0, 1, 2, or 3 risk factors, resulting in a regression line with a slope of 0.78 and an offset of 2.37. The area under the receiver operating characteristic curve was 0.72 (95% CI: 0.68–0.76).

CONCLUSIONS: Using the POVOC score, PV in pediatric patients can be predicted with sufficient accuracy comparable to the results in adult patients, even if one of the risk factors is not applicable.






Lippincott, Williams & Wilkins Anesthesia & Analgesia® is published for the International Anesthesia Research Society® by Lippincott Williams & Wilkins with the assistance of Stanford University Libraries' HighWire Press®. Copyright 2006 by the International Anesthesia Research Society. Online ISSN: 1526-7598   Print ISSN: 0003-2999 HighWire Press
Copyright © 2007 by the International Anesthesia Research Society.