Please use this identifier to cite or link to this item: https://doi.org/10.1371/journal.pone.0198533
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dc.titleWider perioperative glycemic fluctuations increase risk of postoperative atrial fibrillation and ICU length of stay
dc.contributor.authorSim M.A.
dc.contributor.authorLiu W.
dc.contributor.authorChew S.T.H.
dc.contributor.authorTi L.K.
dc.date.accessioned2019-03-22T04:30:49Z
dc.date.available2019-03-22T04:30:49Z
dc.date.issued2018
dc.identifier.citationSim M.A., Liu W., Chew S.T.H., Ti L.K. (2018). Wider perioperative glycemic fluctuations increase risk of postoperative atrial fibrillation and ICU length of stay. PLoS ONE 13 (6) : e0198533. ScholarBank@NUS Repository. https://doi.org/10.1371/journal.pone.0198533
dc.identifier.issn19326203
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/152566
dc.description.abstractIntroduction Postoperative atrial fibrillation (POAF) is a common complication following cardiac surgery associated with increased morbidity and mortality. Although sustained hyperglycemia is a known risk factor of AF and poor ICU outcomes, emerging in-vitro studies reveal acute glycemic fluctuations to be an additional independent predictor of AF. The effect of acute glycemic fluctuations on the incidence of POAF in the clinical setting remains unclear. We aim to investigate the effect of the magnitude of acute perioperative glycemic fluctuations on the incidence of POAF in a multi-ethnic Southeast-Asian population. Methods We obtained data from1743 patients who underwent elective CABG in a tertiary heart centre from 2009–2011. Patients were kept to a tight baseline glycemic control in accordance with hospital protocol. The magnitude of the difference between the highest and lowest perioperative glucose levels up till the first 48 postoperative hours was employed as a measure of glycemic fluctuation. Patients were divided into 4 groups for analysis based on the magnitude of glycemic fluctuation:A)0-2mmol/L(N = 147); B)>2-4mmol/L(N = 426); C)>4-6mmol/L (N = 513); D)>6mmol/L(N = 657).Our primary outcome was the incidence of POAF. Secondary outcomes included ICU and 30-day mortality and length of stay. Results The overall incidence of POAF was 14.7%. This increased as the magnitude of glycemic fluctuation increased, and was statistically highest in Group D(16.4%) as compared with the other 3 sub-groups. Multivariate logistic regression revealed the magnitude of perioperative glycemic fluctuation to be an independent risk factor of POAF(O.R.1.06, 95% C.I.1.01–1.11, p = 0.014).ICU length of stay was statistically highest in Group D(63.1 hours, p = < .001). However, ICU and 30 day mortality rates were similar among the 4 groups. Conclusion Increased magnitudes of acute perioperative glycemic fluctuations are associated with a significantly increased risk of POAF and length of ICU stay; and should therefore be minimised but balanced against the risks of hypoglycemia so as to avoid POAF and optimise patient outcomes. © 2018 Sim et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
dc.publisherPublic Library of Science
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentDEPT OF ANAESTHESIA
dc.description.doi10.1371/journal.pone.0198533
dc.description.sourcetitlePLoS ONE
dc.description.volume13
dc.description.issue6
dc.description.pagee0198533
dc.published.statepublished
dc.grant.fundingagencyKhoo Research Grant from the Duke-NUS Graduate Medical School (Singapore)
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