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Risk factors for postoperative pneumonia after general and digestive surgery: a retrospective single-center study

  • Hayato BabaEmail author
  • Ryutaro Tokai
  • Katsuhisa Hirano
  • Toru Watanabe
  • Kazuto Shibuya
  • Isaya Hashimoto
  • Shozo Hojo
  • Isaku Yoshioka
  • Tomoyuki Okumura
  • Takuya Nagata
  • Tsutomu Fujii
Original Article
  • 37 Downloads

Abstract

Purpose

Pneumonia is the second-most common complication in postoperative patients and is associated with significant morbidity and high costs of care. We aimed to determine the risk factors for pneumonia after general and digestive surgery.

Methods

The medical records of 1,016 patients who underwent general and digestive surgery between January 2016 and March 2019 in our hospital were reviewed.

Results

Of the 1,016 patients, 67 (6.6%) developed postoperative pneumonia. The multivariate analysis showed that significant predictors of postoperative pneumonia were a poor Eastern Cooperative Oncology Group performance status (ECOG-PS), low forced vital capacity and low forced expiratory volume in one second in the spirometry test, malnutrition (low serum albumin levels and low controlling nutritional status scores and prognostic nutritional index [PNI] values), esophagectomy, upper gastrointestinal surgery, and nonlaparoscopic surgery. Of these factors, the combination of PNI and ECOG-PS clearly stratified patients into low-, intermediate-, and high-risk groups with respect to developing postoperative pneumonia (area under the curve: 0.709).

Conclusions

Although postoperative pneumonia is associated with many clinical variables, active medical intervention for the prevention of pneumonia in patients with multiple risk factors can improve the postoperative course. In particular, perioperative nutritional care may prevent postoperative pneumonia in patients with malnutrition and a poor PS.

Keywords

Postoperative pneumonia Risk factors General and digestive surgery Malnutrition 

Notes

Acknowledgements

This work was supported by JSPS KAKENHI Grant Number JP90808437.

Compliance with ethical standards

Conflict of interest

The authors have no conflicts of interest to declare.

Supplementary material

595_2019_1911_MOESM1_ESM.docx (15 kb)
Supplementary material 1 (DOCX 15 kb)
595_2019_1911_MOESM2_ESM.docx (16 kb)
Supplementary material 2 (DOCX 15 kb)
595_2019_1911_MOESM3_ESM.tiff (2.6 mb)
Supplementary material 3 An ROC curve analysis of the CONUT score and serum albumin level. The optimal cut-off values of the CONUT score and albumin level were 3.5 and 4, respectively (TIFF 2703 kb)

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Hayato Baba
    • 1
    Email author
  • Ryutaro Tokai
    • 1
  • Katsuhisa Hirano
    • 1
  • Toru Watanabe
    • 1
  • Kazuto Shibuya
    • 1
  • Isaya Hashimoto
    • 1
    • 2
  • Shozo Hojo
    • 1
  • Isaku Yoshioka
    • 1
  • Tomoyuki Okumura
    • 1
  • Takuya Nagata
    • 1
  • Tsutomu Fujii
    • 1
  1. 1.Department of Surgery and Science, Graduate School of Medicine and Pharmaceutical SciencesUniversity of ToyamaToyamaJapan
  2. 2.Toyama Nishi General HospitalToyamaJapan

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