Document Detail

The incidence of hematuria in middle distance track running.
MedLine Citation:
PMID:  11487707     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to establish if middle distance track athletes experience hematuria during their competitive season interval workouts and, if so, what type of workout based on intensity and distance was most associated with hematuria. During a 4-week observational period, athletes (n = 10) underwent reagent strip urinalysis before and after their twice weekly interval sessions. Positive samples for hematuria were analyzed microscopically to accurately determine red blood cell (RBC) loss. Seventy-one individual interval workouts were observed, of which 32 cases of hematuria were reported. Nine cases of hematuria exhibited >100 RBC per High Power Field (Hpf). Furthermore, 90% of the athletes experienced post-workout hematuria at least once. The highest incidence of hematuria was observed after workouts run at 110% of VO(2peak) over short (600-1,500 m) to moderate (1,501-3,000 m) distances. All post-exercise cases of hematuria resolved within 2 hr of recovery.
G R Jones; I J Newhouse; J M Jakobi; N L LaVoie; R Thayer
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Canadian journal of applied physiology = Revue canadienne de physiologie appliquée     Volume:  26     ISSN:  1066-7814     ISO Abbreviation:  Can J Appl Physiol     Publication Date:  2001 Aug 
Date Detail:
Created Date:  2001-08-06     Completed Date:  2001-10-25     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9306274     Medline TA:  Can J Appl Physiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  336-49     Citation Subset:  IM    
Canadian Centre for Activity and Aging, School of Kinesiology, Faculty of Health Sciences, University of Western Ontario, London, Ontario N6G 2M3.
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MeSH Terms
Analysis of Variance
Hematuria / epidemiology*,  etiology
Kidney / injuries
Lactic Acid / blood
Logistic Models
Middle Aged
Oxygen Consumption
Running / injuries*
Statistics, Nonparametric
Reg. No./Substance:
50-21-5/Lactic Acid

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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