Journal of cardiothoracic and vascular anesthesia · 2014
Dexmedetomidine does not reduce atrial fibrillation after lung cancer surgery.
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Ai Di, Xu Gang, Feng Lei, Yu Jun, Banchs Jose, Vaporciyan Ara A, Cata Juan P, Outcomes Research Consortium
Аннотация
OBJECTIVE: To evaluate whether the use of intraoperative dexmedetomidine (DEX) during lung cancer surgery may reduce the incidence of postoperative atrial fibrillation (POAF).
DESIGN: A retrospective study.
SETTING: Academic hospital.
PARTICIPANTS: Seven hundred three adult patients with non-small-cell lung cancer.
MEASUREMENTS AND MAIN RESULTS: Patients younger than 18 years of age with a history of atrial fibrillation were excluded. Episodes of atrial fibrillation were identified from electronic medical records and consisted of cardiology consultations, electrocardiogram records, and use of anti-arrhythmic medications within the postoperative admission time. The Wilcoxon rank sum test was used to evaluate the difference in a continuous variable between patient groups. Fisher's exact test or the chi-square test was used to evaluate the association between 2 categorical variables. Logistic regression models were used for multivariate analysis. Overall POAF incidence was 136 of 703 (19.35%), with a mean onset of 3.01±2.03 days after surgery. Among patients, 204 (29.02%) received DEX intraoperatively. Male gender and age were strong predictors of POAF. POAF incidence was comparable between patients who were (n=93, 21.1%) and were not (n=43, 18.6%) treated with DEX (p=0.46). The mean onset time of arrhythmia was similar in both groups (DEX users: 2.93±2.49 days; non-DEX users: 3.05±1.79 days; p=0.146).
CONCLUSION: These results were similar to those published elsewhere on POAF incidence and risk factors. This study could not confirm the hypothesis that the intraoperative use of DEX is associated with a reduced rate of POAF after thoracic surgery for lung cancer.
DESIGN: A retrospective study.
SETTING: Academic hospital.
PARTICIPANTS: Seven hundred three adult patients with non-small-cell lung cancer.
MEASUREMENTS AND MAIN RESULTS: Patients younger than 18 years of age with a history of atrial fibrillation were excluded. Episodes of atrial fibrillation were identified from electronic medical records and consisted of cardiology consultations, electrocardiogram records, and use of anti-arrhythmic medications within the postoperative admission time. The Wilcoxon rank sum test was used to evaluate the difference in a continuous variable between patient groups. Fisher's exact test or the chi-square test was used to evaluate the association between 2 categorical variables. Logistic regression models were used for multivariate analysis. Overall POAF incidence was 136 of 703 (19.35%), with a mean onset of 3.01±2.03 days after surgery. Among patients, 204 (29.02%) received DEX intraoperatively. Male gender and age were strong predictors of POAF. POAF incidence was comparable between patients who were (n=93, 21.1%) and were not (n=43, 18.6%) treated with DEX (p=0.46). The mean onset time of arrhythmia was similar in both groups (DEX users: 2.93±2.49 days; non-DEX users: 3.05±1.79 days; p=0.146).
CONCLUSION: These results were similar to those published elsewhere on POAF incidence and risk factors. This study could not confirm the hypothesis that the intraoperative use of DEX is associated with a reduced rate of POAF after thoracic surgery for lung cancer.