• Takashi Nojiri, Kazuhiro Yamamoto, Hajime Maeda, Yukiyasu Takeuchi, Naoko Ose, Yoshiyuki Susaki, Masayoshi Inoue, and Meinoshin Okumura.
• Chest. 2015 Nov 1;148(5):1285-92.

BackgroundWe previously reported that patients with elevated preoperative B-type natriuretic peptide (BNP) levels have an increased risk for postoperative atrial fibrillation following lung cancer surgery. The present study evaluated whether the specific phosphodiesterase III inhibitor olprinone can reduce the incidence of postoperative atrial fibrillation in patients with elevated BNP levels undergoing pulmonary resection for lung cancer.MethodsA prospective randomized study was conducted with 40 patients who had elevated preoperative BNP levels (≥ 30 pg/mL) and underwent scheduled lung cancer surgery. All patients were in sinus rhythm at surgery. Low-dose olprinone or placebo was continuously infused for 24 h and started just before anesthesia induction. The primary end point was the incidence of postoperative atrial fibrillation. The secondary end points were perioperative hemodynamics and levels of BNP, WBC counts, and C-reactive protein.ResultsThe incidence of postoperative atrial fibrillation was significantly lower in the olprinone group than in the placebo group (10% vs 60%, P < .001). Patients in the olprinone group showed significantly lower BNP, WBC counts, and C-reactive protein levels after surgery.ConclusionsContinuous infusion of olprinone during lung cancer surgery was safe and reduced the incidence of postoperative atrial fibrillation following pulmonary resection in patients with elevated preoperative BNP levels.Trial RegistryJapan Primary Registries Network; No.: JPRN-UMIN2404; URL: http://www.umin.ac.jp/ctr/.

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