Influence of patient position in thoracoscopic esophagectomy on postoperative pneumonia: a comparative analysis from the National Clinical Database in Japan

Akihiko Okamura, Hideki Endo, Masayuki Watanabe, Hiroyuki Yamamoto, Hirotoshi Kikuchi, Shingo Kanaji, Yasushi Toh, Yoshihiro Kakeji, Yuichiro Doki, Yuko Kitagawa

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Two prominent patient positions during thoracoscopic esophagectomy are the left lateral decubitus position (LP) and the prone position (PP). However, whether the patient position during thoracoscopic esophagectomy influences short-term outcomes, especially postoperative pneumonia, remains unclear. We aimed to elucidate the impact of patient position on the occurrence of postoperative pneumonia. Methods: We analyzed 9850 patients who underwent oncologic thoracoscopic esophagectomies between 2016 and 2019 from the National Clinical Database. We compared the short-term outcomes between the LP and PP groups, and the primary outcome measure was the incidence of postoperative pneumonia. Results: This study included 2637 (26.8%) and 7213 (73.2%) patients in the LP and the PP groups, respectively. The baseline characteristics of the two groups were well-balanced. Compared with the LP group, the PP group had a longer operative time and less blood loss. There were no significant differences in the incidences of postoperative pneumonia, recurrent laryngeal nerve palsy, anastomotic leakage, severe complications, and reoperation between the groups. Meanwhile, prolonged ventilation and surgery-related mortality occurred more frequently in the LP than in the PP group (P < 0.001 and 0.046, respectively). After multivariable adjustment, the patient position did not significantly influence the incidence of postoperative pneumonia (odds ratio 0.91, 95% confidence interval 0.80–1.04). Conclusions: Although prolonged ventilation and surgery-related mortality occurred more frequently in the LP group than in the PP group, the patient position did not significantly influence the occurrence of postoperative pneumonia.

Original languageEnglish
JournalEsophagus
DOIs
Publication statusAccepted/In press - 2022

Keywords

  • National Clinical Database
  • Pneumonia
  • Position
  • Thoracoscopic esophagectomy

ASJC Scopus subject areas

  • Gastroenterology

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