POSTER PRESENTATION Open Access Predictive factors of post-operative atrial fibrillation after myocardial revascularization and its impact on mortality and morbidity LR Barbieri, AG Sousa, GMS Gerônimo, VLS Haddad, DFM Trompieri, MLP Sobral * , GG Santos, NAG Stolf From 23rd World Congress of the World Society of Cardio-Thoracic Surgeons Split, Croatia. 12-15 September 2013 Background Postoperative Atrial Fibrillation (POAF) is the most common arrhythmia in cardiac surgery. Its incidence ranges between 20-40%. The objective of this study was to determine the predictive factors of POAF that occurred in patients undergoing coronary artery bypass grafting (CABG), and the impact of this event on morbidity and mortality. Methods This bi-directional and longitudinal cohort study was made with 3,010 patients undergoing CABG between June/2009 and July/2010, aged ≥ 18 years. We excluded 382 patients for chronic or paroxysmal atrial fibrillation, atrial flutter, or association of the surgery evaluated with other procedures. Results The incidence of POAF was 12.4% (2302 progressed without POAF - Group I and 326 with POAF- Group II. Among the predictive factors for the occurrence of POAF, observed: age (Group I: 61.2 ± 9.38, group II: 66.8 ± 8.9, p <0.001); rate female: male ratio of 1:3; CRI (p=0.001), creatinine >/= 2.2mg/dl (p=0.002); COPD (p=0.001), ICC (p=0.004), EuroSCORE (p<0.001), blood transfusion (p<0.001), Peripheral Arterial Insufficiency (PAI) (0,011); emergency surgery/emergency (p= 0.006), postoperative stroke (p<0.001) and RI postoperatively (p <0.001). Patients with POAF had longer postoperative hospital stay (p<0.001), higher mortality at one year (p <0.001) and a higher rate of readmission within 30 days (p = 0.004). Conclusion The age, male gender, CRI, COPD, peripheral arterial disease, creatinine >/= 2,2mg/dl, CHF, EuroSCORE, blood transfusion, emergency surgery/emergency (p= 0.006), postoperative stroke (p<0.001) and RI postoperatively (p<0.001) variables were independently predictive of POAF event. Due to the strong correlation with the increased length of hospitalization, mortality and re-hospitalization in these patients, we must implement strategies for POAF prophylaxis and prevention. Published: 11 September 2013 doi:10.1186/1749-8090-8-S1-P22 Cite this article as: Barbieri et al.: Predictive factors of post-operative atrial fibrillation after myocardial revascularization and its impact on mortality and morbidity. Journal of Cardiothoracic Surgery 2013 8(Suppl 1): P22. Submit your next manuscript to BioMed Central and take full advantage of: • Convenient online submission • Thorough peer review • No space constraints or color ﬁgure charges • Immediate publication on acceptance • Inclusion in PubMed, CAS, Scopus and Google Scholar • Research which is freely available for redistribution Submit your manuscript at www.biomedcentral.com/submit * Correspondence: [email protected] Hospital Beneficência Portuguesa de São Paulo, Brazil Barbieri et al. Journal of Cardiothoracic Surgery 2013, 8(Suppl 1):P22 http://www.cardiothoracicsurgery.org/content/8/S1/P22 © 2013 Barbieri et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Predictive factors of post-operative atrial fibrillation after myocardial revascularization and its impact on mortality and morbidity

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Page 1: Predictive factors of post-operative atrial fibrillation after myocardial revascularization and its impact on mortality and morbidity

POSTER PRESENTATION Open Access

Predictive factors of post-operative atrialfibrillation after myocardial revascularizationand its impact on mortality and morbidityLR Barbieri, AG Sousa, GMS Gerônimo, VLS Haddad, DFM Trompieri, MLP Sobral*, GG Santos, NAG Stolf

From 23rd World Congress of the World Society of Cardio-Thoracic SurgeonsSplit, Croatia. 12-15 September 2013

BackgroundPostoperative Atrial Fibrillation (POAF) is the mostcommon arrhythmia in cardiac surgery. Its incidenceranges between 20-40%. The objective of this study was todetermine the predictive factors of POAF that occurred inpatients undergoing coronary artery bypass grafting(CABG), and the impact of this event on morbidity andmortality.

MethodsThis bi-directional and longitudinal cohort study wasmade with 3,010 patients undergoing CABG betweenJune/2009 and July/2010, aged ≥ 18 years. We excluded382 patients for chronic or paroxysmal atrial fibrillation,atrial flutter, or association of the surgery evaluated withother procedures.

ResultsThe incidence of POAF was 12.4% (2302 progressedwithout POAF - Group I and 326 with POAF- Group II.Among the predictive factors for the occurrence ofPOAF, observed: age (Group I: 61.2 ± 9.38, group II:66.8 ± 8.9, p <0.001); rate female: male ratio of 1:3; CRI(p=0.001), creatinine >/= 2.2mg/dl (p=0.002); COPD(p=0.001), ICC (p=0.004), EuroSCORE (p<0.001), bloodtransfusion (p<0.001), Peripheral Arterial Insufficiency(PAI) (0,011); emergency surgery/emergency (p= 0.006),postoperative stroke (p<0.001) and RI postoperatively(p <0.001). Patients with POAF had longer postoperativehospital stay (p<0.001), higher mortality at one year(p <0.001) and a higher rate of readmission within 30 days(p = 0.004).

ConclusionThe age, male gender, CRI, COPD, peripheral arterialdisease, creatinine >/= 2,2mg/dl, CHF, EuroSCORE,blood transfusion, emergency surgery/emergency(p= 0.006), postoperative stroke (p<0.001) and RI post-operatively (p<0.001) variables were independently pre-dictive of POAF event. Due to the strong correlation withthe increased length of hospitalization, mortality andre-hospitalization in these patients, we must implementstrategies for POAF prophylaxis and prevention.

Published: 11 September 2013

doi:10.1186/1749-8090-8-S1-P22Cite this article as: Barbieri et al.: Predictive factors of post-operativeatrial fibrillation after myocardial revascularization and its impact onmortality and morbidity. Journal of Cardiothoracic Surgery 2013 8(Suppl 1):P22.

Submit your next manuscript to BioMed Centraland take full advantage of:

• Convenient online submission

• Thorough peer review

• No space constraints or color figure charges

• Immediate publication on acceptance

• Inclusion in PubMed, CAS, Scopus and Google Scholar

• Research which is freely available for redistribution

Submit your manuscript at www.biomedcentral.com/submit* Correspondence: [email protected]

Hospital Beneficência Portuguesa de São Paulo, Brazil

Barbieri et al. Journal of Cardiothoracic Surgery 2013, 8(Suppl 1):P22http://www.cardiothoracicsurgery.org/content/8/S1/P22

© 2013 Barbieri et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative CommonsAttribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction inany medium, provided the original work is properly cited.

mailto:[email protected]

http://creativecommons.org/licenses/by/2.0