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The initial success rate of cardiopulmonary resuscitation and its associated factors in patients with cardiac arrest within 24 hours after anesthesia for an emergency surgery

Authors Siriphuwanun V, Punjasawadwong Y, Lapisatepun W, Charuluxananan S, Uerpairojkit K, Patumanond J

Received 23 November 2013

Accepted for publication 9 January 2014

Published 21 March 2014 Volume 2014:7 Pages 65—76


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Visith Siriphuwanun,1 Yodying Punjasawadwong,1 Worawut Lapisatepun,1 Somrat Charuluxananan,2 Ketchada Uerpairojkit,2 Jayanton Patumanond3

1Department of Anesthesiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; 2Department of Anesthesiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; 3Department of Community Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand

Purpose: To determine the initial success rate and its associated factors on cardiopulmonary resuscitation (CPR) in patients with cardiac arrest within 24 hours after receiving anesthesia for an emergency surgery.
Patients and methods: After the hospital ethical committee gave approval for this study, the anesthesia providers recorded all relevant data regarding CPR in patients with cardiac arrest within 24 hours after anesthesia for emergency surgery at Maharaj Nakorn Chiang Mai Hospital, a university hospital in Northern Thailand. Only data from the cardiac arrest patients who received the first CPR attempt were included in the analysis. The end point of the initial success of CPR was return of spontaneous circulation (ROSC). Factors related to ROSC were determined by univariate analyses and multiple logistic regression analysis. The odds ratios (OR) and 95% confidence intervals (CI) were used to calculate the strength of the factors associated with the ROSC.
Results: Of the 96 cardiac arrest patients, 44 patients (45.8%) achieved ROSC. Factors associated with ROSC were electrocardiogram monitoring for detected cardiac arrest (OR =4.03; 95% CI =1.16–14.01; P=0.029), non-shock patients before arrest (OR =8.54; 95% CI =2.13–34.32; P=0.003), timing to response of activated CPR team within 1 minute (OR =9.37; 95% CI =2.55–34.39; P<0.001), having trained CPR teams (OR =8.76; 95% CI =2.50–30.72; P<0.001), and administration of more than one dose of epinephrine (OR =5.62; 95% CI =1.32–23.88; P<0.019).
Conclusion: Patients undergoing anesthesia for an emergency surgery are at risk for perioperative cardiac arrest with high mortality which requires immediate CPR. Our results have confirmed that early detection of cardiac arrest by vigilant electrocardiogram monitoring and prompt management with a qualified team are important factors in improving the success of CPR. Emergency surgical patients at risk for cardiac arrest should be promptly managed, with facilities available not only during the operation but also during the pre- to postoperative period.

Keywords: initial successful CPR, CPR, ROSC, general anesthesia

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