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Risk of Functional Gastrointestinal Disorders in U.S. Military Following Self-Reported Diarrhea and Vomiting During Deployment

  • Chad K. Porter
  • Kayleen Gloor
  • Brooks D. Cash
  • Mark S. RiddleEmail author
Original Article

Abstract

Introduction

Military personnel are frequently deployed to regions of the world with high travelers’ diarrhea (TD) rates. Pathogens associated with TD have been linked to several post-infectious sequelae, including functional gastrointestinal disorders (FGD), such as irritable bowel syndrome (IBS) and functional dyspepsia. Furthermore, stress associated with deployment may potentiate the increased FGD risk.

Aim

We sought to assess whether self-reported diarrhea, vomiting, and stressors during deployment were associated with increased FGD risk.

Methods

Using active duty military medical encounter data from the Defense Medical Surveillance System (DMSS), we conducted a matched case–control study to assess the odds of FGD (IBS, functional constipation, functional diarrhea, dyspepsia) following self-reported diarrhea or vomiting during deployment. Only first-time deployers with detailed self-reporting of deployment-related exposures from 2008 and 2009 were included. Univariate and multivariate analyses were performed.

Results

A total of 129 cases of FGD were identified, with the following distribution: constipation (n = 67), dyspepsia (n = 15), IBS (n = 22), and overlapping disorders (n = 25). Diarrhea and/or vomiting during deployment were significantly associated with the development of FGD. Other demographic factors were also associated with variable risk. We found no consistent effect of war-related stressors or non-combat-related correlates of stress.

Conclusions

Deployment-related TD is common in deployed military personnel and is associated with an increased risk of several FGD. When considering effective countermeasures and mitigation strategies, both the acute effects and chronic sequelae of enteric infections should be considered. Increased emphasis on existing and novel primary prevention strategies are needed, as well as outcome studies among those developing these conditions.

Keywords

Military personnel Functional gastrointestinal disorders Travelers’ diarrhea Epidemiology 

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Copyright information

© Springer Science+Business Media, LLC (Outside the USA) 2011

Authors and Affiliations

  • Chad K. Porter
    • 1
  • Kayleen Gloor
    • 2
  • Brooks D. Cash
    • 3
  • Mark S. Riddle
    • 1
    Email author
  1. 1.Enteric Diseases Department, Infectious Disease DirectorateNaval Medical Research CenterSilver SpringUSA
  2. 2.The George Washington UniversityWashingtonUSA
  3. 3.National Naval Medical CenterBethesdaUSA

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