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Morbidity and Mortality in Klinefelter Syndrome, (47,XXY).
MedLine Citation:
PMID:  21414026     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Klinefelter syndrome (KS) (47,XXY) is the most common sex chromosome disorder in man, and is a relatively common cause of male infertility and hypogonadism. The syndrome has been known since 1942 and many reports of different diseases associated with KS have been reported since that, but a more systematic knowledge about the long-term outcome was not described until the last decade, where nation-wide epidemiological studies were reported from Britain and Denmark. We here review the epidemiological data from two cohorts of KS patients in Denmark and Britain, showing a significant increase in both mortality and morbidity from a variety of different causes. Mortality was increased by 50% (SMR 1.5 or HR 1.4) corresponding to a median loss of approximately 2 years. The risk of being admitted to hospital with any diagnosis was increased by 70%. The underlying reason for the poorer health in KS may be caused by interaction of genetic, hormonal and socio-economic factors. Conclusion: Both morbidity and mortality are significantly increased in Klinefelter syndrome with a 50% increase in mortality risk and a 70% increase in risk of being admitted to hospital.
Authors:
Anders Bojesen; Claus H Gravholt
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-17
Journal Detail:
Title:  Acta paediatrica (Oslo, Norway : 1992)     Volume:  -     ISSN:  1651-2227     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9205968     Medline TA:  Acta Paediatr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Acta Paediatrica © 2011 Foundation Acta Paediatrica.
Affiliation:
Department of Clinical Genetics, Vejle Hospital, Sygehus Lillebaelt, DK-7100, Denmark Department of Endocrinology & Internal Medicine and Medical Research Laboratories, Aarhus University Hospital, Aarhus Sygehus NBG, DK-8000 Aarhus C, Denmark.
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