Abstract
Background
Postoperative pneumonia is a common and major cause of mortality after radical esophagectomy. Intraoperative preservation of the bronchial arteries is often aimed at avoiding tracheobronchial ischemia; however, it is unknown whether this contributes to a reduction in postoperative pneumonia.
Patients and Methods
We enrolled 348 consecutive patients who underwent radical esophagectomy for esophageal cancer at Toranomon Hospital from January 2011 to July 2018. We classified patients into a bronchial artery-resected (BA-R) group (n = 93) and a bronchial artery-preserved (BA-P) group (n = 255) and compared the incidence of postoperative pneumonia between the two groups. A propensity score-matching analysis for bronchial artery preservation versus resection was performed.
Results
Overall, 182 patients were matched. Univariate analysis of the propensity score-matched groups showed that Brinkman index ≥ 400, vital capacity (%VC) < 80%, and bronchial artery resection were associated with the development of postoperative pneumonia. Multivariate analysis revealed three significant factors associated with postoperative pneumonia: Brinkman index ≥ 400 [p = 0.006, odds ratio (HR) 3.302, 95% confidence interval (95% CI) 1.399–7.790], %VC < 80% (p = 0.034, HR 6.365, 95% CI 1.151–35.205), and bronchial artery resection (p = 0.034, HR 2.131, 95% CI 1.060–4.282). The incidence of postoperative complications (CD grade III) was higher in the BA-R group (BA-R 42.8% versus BA-P 27.5%, p = 0.030). There was no significant difference in overall survival between the two groups at 5 years (BA-R 63.1% versus BA-P 72.1%, p = 0.130).
Conclusion
Preserving the bronchial artery is associated with a decreased incidence of postoperative pneumonia.
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We thank Editage (www.editage.com) for English language editing.
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KF, YO, and MU designed the study, wrote the manuscript, revised it critically for important intellectual content, and provided final approval for the content; KF, YO, MU, YO, HS, SH, and HU created study materials or recruited patients.
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Fujisawa, K., Ohkura, Y., Ueno, M. et al. Clinical Outcomes of Preserving Bronchial Arteries During Radical Esophagectomy: A Propensity-Score Matched Analysis. Ann Surg Oncol 31, 827–837 (2024). https://doi.org/10.1245/s10434-023-14495-z
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DOI: https://doi.org/10.1245/s10434-023-14495-z