Document Detail


The dipsomania of great distance: water intoxication in an Ironman triathlete.
MedLine Citation:
PMID:  15273209     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Of 371 athletes (62% of all finishers) whose weights were measured before and after the 226 km South African Ironman Triathlon, the athlete who gained the most weight (3.6 kg) during the race was the only competitor to develop symptomatic hyponatraemia. During recovery, he excreted an excess of 4.6 litres of urine. This case report again confirms that symptomatic hyponatraemia is caused by considerable fluid overload independent of appreciable NaCl losses. Hence prevention of the condition requires that athletes be warned not to drink excessively large volumes of fluid (dipsomania) during very prolonged exercise. This case report also shows that there is a delayed diuresis in this condition and that it is not caused by renal failure.
Authors:
T D Noakes; K Sharwood; M Collins; D R Perkins
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Publication Detail:
Type:  Case Reports; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  British journal of sports medicine     Volume:  38     ISSN:  1473-0480     ISO Abbreviation:  Br J Sports Med     Publication Date:  2004 Aug 
Date Detail:
Created Date:  2004-07-26     Completed Date:  2005-02-28     Revised Date:  2008-11-20    
Medline Journal Info:
Nlm Unique ID:  0432520     Medline TA:  Br J Sports Med     Country:  England    
Other Details:
Languages:  eng     Pagination:  E16     Citation Subset:  IM    
Affiliation:
UCT/MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town and the Sports Science Institute of South Africa. tdnoakes@sports.uct.ac.za
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MeSH Terms
Descriptor/Qualifier:
Adult
Bicycling / physiology*
Diuresis / physiology
Drinking Behavior / physiology
Humans
Hyponatremia / etiology*
Male
Physical Endurance / physiology*
Risk Factors
Running / physiology*
Sodium / blood
Swimming / physiology*
Water Intoxication / etiology*
Water-Electrolyte Imbalance / physiopathology
Chemical
Reg. No./Substance:
7440-23-5/Sodium

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


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