Factors contributing to CO uptake and elimination in the body: A critical review

Ke Ting Pan, Giovanni S. Leonardi, Ben Croxford*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

13 Citations (Scopus)
16 Downloads (Pure)

Abstract

Background: Carbon monoxide (CO) poisoning is an important public health issue around the world. Research indicates that many factors may be related to the rate of CO uptake and elimination in the human body. However, some factors related to CO uptake and elimination are considered controversial. Relatively little attention has been devoted to review and synthesis of factors affecting CO uptake and elimination. 

Purpose: This paper provides a critical scoping review of the factors and divides them into four aspects, including environmental, demographic, physiological and treatment factors. 

Methods: We searched the scientific databases for research that has proposed a mathematical equation as a synthesis of quantities related to CO poisoning, CO elimination, CO uptake, CO half‐life, CO uptake and elimination and their relationships. After excluding the studies that did not meet the study criteria, there were 39 studies included in the review and the search was completed before 16 December 2019. 

Results and conclusion: This review discusses most of the factors that impact the rate of CO uptake and elimination. Several factors may be related to CO uptake and elimination, such as CO concentration, the duration of exposure to CO, age, sex, exercise, minute ventilation, alveolar ventilation, total haemoglobin mass and different treatments for CO poisoning. Although some potential factors were not included in the review, the findings are useful by presenting an overview for discussing factors affecting CO uptake and elimination and provide a starting point for further study regarding strategies for CO poisoning and the environmental standard of CO.

Original languageEnglish
Article number528
JournalInternational Journal of Environmental Research and Public Health
Volume17
Issue number2
DOIs
Publication statusPublished - 14 Jan 2020

Bibliographical note

Funding Information: This research was conducted as part of K‐TP’s PhD studies at UCL supported by a grant from the Taiwanese government.

Open Access: This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/)

Publisher Copyright: © 2020 by the authors. Licensee MDPI, Basel, Switzerland.

Citation: Pan, K.-T.; Leonardi, G.S.; Croxford, B. Factors Contributing to CO Uptake and Elimination in the Body: A Critical Review. Int. J. Environ. Res. Public Health 2020, 17, 528.

DOI: https://doi.org/10.3390/ijerph17020528

Keywords

  • CO elimination
  • CO uptake
  • Carbon monoxide

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