Document Detail

Preservation of ventricular function in amateur athletes after completion of a marathon.
MedLine Citation:
PMID:  16455425     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Previous studies have demonstrated the development of impaired systolic function and new segmental wall motion abnormalities following completion of ultraendurance events. Limited information is available on the effect of an endurance event such as a marathon on the left ventricular indices and hemodynamics. METHODS: We examined 45 patients (26 men, 19 women with the average age of 35+/- 8 years) who successfully trained and completed the 2001 Chicago Marathon (26.2 miles). Transthoracic 2-dimensional and Doppler echocardiography (TTE) was preformed prior to the marathon (17+/-10.7 days), immediately following the marathon (71+/-42 minutes), and at follow-up (29+/-12.9 days). RESULTS: Left ventricular end diastolic volumes declined immediately post marathon and returned to baseline at the one-month follow-up. Ejection fraction was maintained and no regional wall motion abnormalities were identified at any time point. Diastolic parameters decreased immediately post marathon but returned to baseline during follow-up principally reflecting a change in volume status. CONCLUSION: Marathon running by a group of well-trained recreational athletes does not result in impairment of left ventricular systolic or diastolic function.
Allison J Kean; Veronica R McCloskey; Frank F Seghatol; Greg D Ewert; David J Mehlman; David D McPherson; Vera H Rigolin
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography     Volume:  19     ISSN:  1097-6795     ISO Abbreviation:  J Am Soc Echocardiogr     Publication Date:  2006 Feb 
Date Detail:
Created Date:  2006-02-03     Completed Date:  2006-04-26     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8801388     Medline TA:  J Am Soc Echocardiogr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  202-5     Citation Subset:  IM    
Division of Cardiology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.
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MeSH Terms
Heart Ventricles / ultrasonography*
Middle Aged
Physical Endurance / physiology*
Physical Exertion / physiology*
Recovery of Function / physiology
Running / physiology*
Stroke Volume / physiology
Ventricular Function*
Ventricular Function, Left / physiology*

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

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