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  • Eur J Cardiothorac Surg · Feb 2014

    Left lobectomy might be a risk factor for atrial fibrillation following pulmonary lobectomy.

    • Yanzhong Xin, Yasuhiro Hida, Kichizo Kaga, Yasuaki Iimura, Nobuyuki Shiina, Kazuto Ohtaka, Jun Muto, Suguru Kubota, and Yoshiro Matsui.
    • Department of Cardiovascular and Thoracic Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan.
    • Eur J Cardiothorac Surg. 2014 Feb 1; 45 (2): 247-50.

    ObjectiveTo identify risk factors for atrial fibrillation (AF) following lobectomy for a pulmonary malignant tumour.MethodsThe outcomes of patients who underwent lobectomy from February 2005 to September 2010 were analysed with respect to the development of postoperative AF.ResultsAmong 186 patients, 20 developed AF and these had significantly higher preoperative B-type natriuretic peptide (BNP) than those without AF. A significantly high incidence of AF following pulmonary lobectomy was demonstrated in the group of patients who were male, underwent a thoracotomy, had a high preoperative value of BNP and underwent a left lobectomy. Multivariate analysis revealed that left lobectomy is the only independent risk factor. The area under the receiver-operating characteristic curve for BNP to predict postoperative AF following a left lobectomy for a pulmonary malignant tumour was 0.82 (95% confidence interval 0.70-0.93; P<0.05). A BNP level of 24.1 pg/ml had a sensitivity of 90.9% and a specificity of 56% for predicting postoperative AF following left lobectomy for a pulmonary malignant tumour.ConclusionsLeft lobectomy is the only independent risk factor for postoperative AF. Elevated BNP is the risk factor for postoperative AF in patients undergoing left pulmonary lobectomy.

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