Abstract
Purpose
Postoperative pneumonia is one of the major complications after esophageal cancer surgery. The risk factors associated with postoperative pneumonia are poor general health, smoking, decreased pulmonary function, diabetes mellitus, surgical stress, old age, postoperative aspiration, and oral hygiene. In this study, we examined the effect of perioperative oral care on reducing postoperative pneumonia since the evidence to-date is not clear.
Methods
A multicenter, retrospective investigation of the relationship between perioperative oral care and incidence of postoperative pneumonia in patients undergoing esophageal cancer surgery was conducted. A total of 775 patients who underwent thoracoscopic esophageal resection at 25 hospitals between 2016 and 2017 were enrolled in the study. Various factors were examined for correlation with development of postoperative pneumonia.
Results
Multivariate analysis showed that old age, smoking habit, lower hemoglobin, higher creatinine, postoperative dysphagia, and lack of oral care intervention were independent risk factors for pneumonia. Oral care was more effective in preventing pneumonia in hospitals in which the incidence of postoperative pneumonia was lower than 20%, while it was not effective in hospitals in which the incidence was higher than 20%.
Conclusion
Results of the study suggest that it is recommended to carry out perioperative oral care in esophageal cancer surgery.
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Acknowledgments
We thank the following collaborators for collecting data: Jun-ya Kogami (Asahikawa Medical University Hospital), Kouichi Sawaki (Hiroshima City Hospital), Hiroshi Nobuhara (Hiroshima Prefectural Hospital), Sinsho Tachibana (Kakogawa Central City Hospital), Yuka Kojima (Kansai Medical University Hospital), Minoru Kubota (Kurashiki Central Hospital), Sonoe Baba (Miyazaki University Hospital), Chika Yamauchi (Nagoya City University Hospital), Keiichiro Ono (National Hospital Organization Beppu Medical Center), Masashi Morioka (Shinshu University Hospital), Yuka Yamaguchi (Toho University Medical Center Omori Hospital), Toshihiro Yamauchi (Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital), Chie Nakajo (Toyama Prefectural Central Hospital), Kei Tomihara (Toyama University Hospital), Toshiro Yamamoto (University Hospital Kyoto Prefectural University of Medicine), and Iku Yamamori (Yamagata University Hospital). We thank Editage (www.editage.jp) for their English-language editing services.
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This study was performed in accordance with the 1964 Declaration of Helsinki. Ethical approval was obtained from the Institutional Review Boards (IRB) of each participating hospital. As this was a retrospective study, the research plan was published on the homepage of the participating hospitals according to the instructions of the IRB in accordance with the guaranteed opt-out opportunity.
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Soutome, S., Hasegawa, T., Yamguchi, T. et al. Prevention of postoperative pneumonia by perioperative oral care in patients with esophageal cancer undergoing surgery: a multicenter retrospective study of 775 patients. Support Care Cancer 28, 4155–4162 (2020). https://doi.org/10.1007/s00520-019-05242-w
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DOI: https://doi.org/10.1007/s00520-019-05242-w