Document Detail


Sickle cell trait associated with sudden death in competitive athletes.
MedLine Citation:
PMID:  22809753     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Sickle cell trait (SCT; hemoglobin AS) occurs in 8% of African Americans and although typically benign has been associated with sudden death in military recruits during intense physical activity. However, the role of SCT in the deaths of trained athletes is less well documented or acknowledged. The 31-year United States Sudden Death in Athletes Registry was interrogated to determine the frequency, epidemiology, and clinical profile of SCT-related death in a large population of competitive athletes. Of 2,462 athlete deaths, 23 (0.9% overall, 3.3% of African Americans) occurred in association with SCT: ages 12 to 22 years, 21 male (91%), and all African Americans. SCT diagnosis was made by solubility testing (n = 13) and/or hemoglobin electrophoresis (n = 16). Most victims competed in college (n = 17) and in football (n = 19). Of 271 African American football deaths in the registry, 7% (1 in 14) were known to be associated with SCT. Each athlete experienced distinctive noninstantaneous collapse with gradual deterioration over several minutes associated with vigorous or exhaustive physical exertion, usually during conditioning drills (n = 22) and typically early in the training season. Ambient temperatures were ≥80°F in 20 patients (87%), with most events in southern or border states during the summer and autumn (n = 17 [74%]). In conclusion, SCT can be associated with largely unpredictable sudden collapse and death and apparent predilection for African American college football players during conditioning. Understanding the risks, mechanisms, and event triggers of SCT may allow lifesaving alterations in training methods to be implemented.
Authors:
Kevin M Harris; Tammy S Haas; E Randy Eichner; Barry J Maron
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Publication Detail:
Type:  Journal Article     Date:  2012-07-16
Journal Detail:
Title:  The American journal of cardiology     Volume:  110     ISSN:  1879-1913     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-01     Completed Date:  2013-01-04     Revised Date:  2013-02-01    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1185-8     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2012. Published by Elsevier Inc.
Affiliation:
The Hypertrophic Cardiomyopathy Center, Minneapolis Heart Institute Foundation at Abbott-Northwestern Hospital, Minnesota, USA.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Athletes*
Chi-Square Distribution
Child
Death, Sudden, Cardiac / epidemiology,  etiology*
Female
Humans
Male
Minnesota / epidemiology
Registries
Sickle Cell Trait / complications*,  epidemiology
Statistics, Nonparametric
Comments/Corrections
Comment In:
Am J Cardiol. 2013 Jan 1;111(1):149   [PMID:  23245839 ]
Am J Cardiol. 2013 Jan 1;111(1):149   [PMID:  23245840 ]

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


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