Prognostic implications of inhalation injury in burn patients in Tokyo

Masaru Suzuki, Naoki Aikawa, Kunio Kobayashi, Ryouhei Higuchi

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)


Inhalation injury has recently emerged as the major cause of mortality in burn patients. However, the prognostic value of inhalation injury has not been thoroughly assessed in Japanese burn facilities. The aim of the present study was to evaluate the impact of inhalation injury on burn patients' mortality in Tokyo. Of 6416 patients admitted to 13 burn facilities of the Tokyo Burn Unit Association between 1984 and 2002; the 5560 eligible patients were included in this study (mean age, 40 ± 20 years; male, 61.6%; mean partial- and full-thickness burn size, 10.7 ± 13.0% and 9.6 ± 20.5%). Of the 5560 patients, 1690 patients (30.4%) had experienced inhalation injury. The overall in-hospital mortality rate of the patients with inhalation injury was higher than that of those without inhalation injury (33.6% versus 8.1%, odds ratio, 5.72 [95% CI, 4.91-6.67]). The results of the multivariate analysis indicated that inhalation injury; full- and partial-thickness burn size, and age were independent predictors of outcome (relative risk, 2.58 [2.03-3.29], 1.10 [1.09-1.11], 1.06 [1.06-1.07], 1.05 [1.05-1.06], respectively). In conclusion, inhalation injury was the most important predictor of overall mortality among burned patients in Tokyo.

Original languageEnglish
Pages (from-to)331-336
Number of pages6
Issue number3
Publication statusPublished - 2005 May


  • Burn size
  • Burns
  • Inhalation
  • Mortality
  • Multicenter study
  • Prognosis

ASJC Scopus subject areas

  • Surgery
  • Emergency Medicine
  • Critical Care and Intensive Care Medicine


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