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Respir Physiol Neurobiol. 2014 Jan 1;190:137-41. doi: 10.1016/j.resp.2013.10.007. Epub 2013 Oct 25.

Interstitial lung edema triggered by marathon running.

Author information

1
Department of Health and Sport Sciences, University of Louisville, Louisville, KY 40292, United States; Department of Physiology and Biophysics, University of Louisville, Louisville, KY 40292, United States. Electronic address: gerryzavorsky@gmail.com.
2
Department of Radiological Sciences, University of California - Irvine, Irvine, CA 92697, United States.
3
Section of Respiratory Medicine, Department of Experimental and Clinical Medicine, University of Florence, Florence 50134, Italy.
4
Department of Radiology, Regional Hospital of Scranton, Scranton, PA 18510, United States.
5
Human Performance Laboratory, Ball State University, Muncie, IN 47306, United States.
6
Human Physiology Laboratory, Marywood University, Scranton, PA 18509, United States.

Abstract

The purpose of this study was to determine whether marathon running causes lung edema, and if so, to determine its effects on runners. Posterior/anterior (PA) radiographs were taken one day before the marathon and at 19, 55, and 98min post-marathon in 26 runners. The pre and post exercise radiographs of each runner were collated, and then read simultaneously. Two physicians interpreted the images independently in a blinded fashion. The PA radiographs were viewed together at each time-point and findings suggestive for interstitial lung edema were rated as 'mild,' 'moderate,' or 'severe' based on four different radiological criteria. Forty-six percent of the runners presented radiographic findings suggestive of mild to severe interstitial lung edema. Radiographic findings persisted until 98-min post-marathon, with at least moderate degree increases found more frequently in women (55%) than men (6%) (p<0.01). In conclusion, about half of the runners developed interstitial lung edema of varying degrees post-exercise with the incidence being higher in women compared to men.

KEYWORDS:

Endurance; Exercise; Lung fluid; Pulmonary; Water

PMID:
24369923
DOI:
10.1016/j.resp.2013.10.007
[Indexed for MEDLINE]
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