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. 2022 May;11(5):744-756.
doi: 10.21037/tlcr-22-272.

Risk factors and outcomes of bronchopleural fistula after bronchoplasty in patients with non-small cell lung cancer: a retrospective multivariate analysis

Zhiyu Peng #  1   2 , Jiandong Mei #  1   2 , Chengwu Liu #  1   2 , Chenglin Guo  1   2 , Michel Gonzalez  3 , Servet Bölükbas  4 , Luca Voltolini  5 , Qiang Pu  1   2 , Lunxu Liu  1   2
Affiliations

Risk factors and outcomes of bronchopleural fistula after bronchoplasty in patients with non-small cell lung cancer: a retrospective multivariate analysis

Zhiyu Peng et al. Transl Lung Cancer Res. 2022 May.

Abstract

Background: Bronchopleural fistula (BPF) is a rare but severe complication following bronchoplasty. Identification of the risk factors for the development of BPF after bronchoplasty may contribute to better perioperative management, thereby further improving the prognosis of these patients. However, few studies have focused on the risk factors for BPF after bronchoplasty. This study aimed to explore the risk factors and outcomes for BPF after bronchoplasty in patients with non-small cell lung cancer (NSCLC).

Methods: The data of NSCLC patients who underwent bronchoplasty between September 2005 and August 2020 in our institution were retrospectively reviewed. Detailed information on demographic characteristics, preoperative assessment, perioperative outcomes were collected from Western China Lung Cancer Database. The diagnosis of BPF was confirmed by bronchoscopy. Risk factors for BPF were assessed by univariate and multivariate logistic regression analysis.

Results: A total of 503 patients were included in this study, including 132 (26.2%) cases of broncho-vascular plasty, 340 (67.6%) cases of bronchial sleeve lobectomy, and 31 (6.2%) cases of bronchial wedge plasty. Among these patients, 16 (3.2%) developed postoperative BPF. Six patients with BPF died during hospital-stay, including two cases of severe hemoptysis, and four cases of pyothorax and respiratory failure caused by BPF. One of the other ten patients underwent reoperation. After univariate and multivariate logistic regression analysis, preoperative Charlson Comorbidity Index (CCI) ≥2 [odds ratio (OR) =5.120, 95% confidence interval (CI): 1.193-21.985, P=0.028], right middle and/or lower lobectomy (OR =4.840, 95% CI: 1.133-20.686, P=0.033), and residual tumor in the bronchial margin (OR =4.160, 95% CI: 1.106-15.644, P=0.035) were identified as independent risk factors for postoperative BPF.

Conclusions: Although complication rate of BPF after bronchoplasty is low, the mortality of BPF is high. Patients with higher CCI, those who undergo right middle and/or lower lobectomy, and those with residual tumor in the bronchial margin are at increased risk of BPF. This study highlights the importance of preoperative evaluation and good intraoperative management to prevent this catastrophic complication.

Keywords: Non-small cell lung cancer (NSCLC); bronchoplasty; bronchopleural fistula (BPF); multivariate analysis; risk factor.

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Conflict of interest statement

Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at https://tlcr.amegroups.com/article/view/10.21037/tlcr-22-272/coif). The authors have no conflicts of interest to declare.

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