Ventilatory response to carbon dioxide during moderate exercise

Masayoshi Takahashi, Yoshihiro Mano, Masaharu Shibayama, Nobuo Yamami

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Elevated carbon dioxide (CO2) concentration is one of the most important physiological stressors with closed-circuit breathing-apparatus (CCBA). We determined the ventilatory response to CO2 during moderate exercise by measuring the relationship between V(E) and P(ET)CO2. Based on our findings, it is recommended that the permissible inhaled CO2 limit for CCBA in the Japan Industrial Standard (JIS) be lowered from 3% to 2%, and that the members of a rescue or fire fighter team who use CCBA be selected on the basis of their ventilatory sensitivity to CO2.

Original languageEnglish
Pages (from-to)79-83
Number of pages5
JournalJournal of Occupational Health
Issue number2
Publication statusPublished - 2000 Mar


  • Carbon dioxide
  • Closed-circuit breathing-apparatus
  • Japan Industrial Standard
  • Moderate exercise
  • Steady-state method
  • Ventilatory response


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