Document Detail

Clinical characteristics of defecation syncope compared with micturition syncope.
MedLine Citation:
PMID:  20032564     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Defecation syncope (DS) and micturition syncope (MS) are daily excretion-related syndromes that are both classified as situational. However, their clinical features seem to be very different, so the present comparative study aimed to clarify those of DS. METHODS AND RESULTS: The study population consisted of 20 consecutive patients with DS and 37 consecutive patients with MS. The DS patients were significantly older than the MS patients (63+/-15 vs 52+/-17 years, P=0.026). Gender was significantly different (P=0.026): women predominated in the DS group (60%) whereas men more commonly had MS (70%). The diurnal distribution of syncope differed (P=0.0054): 88% of MS episodes occurred between 6 pm and 6 am, whereas DS occurred almost equally throughout the 24 h. Syncope after drinking alcohol was less common with DS (10%) than with MS (60%) (P=0.0003), whereas gastrointestinal tract (GIT) symptoms as a premonitory sign were more common with DS (55%) than with MS (3%) (P<0.0001). Positive responses to head-up tilt testing did not differ between the DS and MS groups. CONCLUSIONS: DS tends to occur in elderly women and without any significant daily distribution. Alcohol-related syncope was uncommon in patients with DS, and preceding GIT symptoms may be important as predictors or triggering factors.
Kaoru Komatsu; Masataka Sumiyoshi; Haruhiko Abe; Ritsuko Kohno; Hidemori Hayashi; Gaku Sekita; Takashi Tokano; Yuji Nakazato; Hiroyuki Daida
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Publication Detail:
Type:  Comparative Study; Journal Article; Multicenter Study     Date:  2009-12-22
Journal Detail:
Title:  Circulation journal : official journal of the Japanese Circulation Society     Volume:  74     ISSN:  1347-4820     ISO Abbreviation:  Circ. J.     Publication Date:  2010 Feb 
Date Detail:
Created Date:  2010-01-25     Completed Date:  2010-03-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137683     Medline TA:  Circ J     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  307-11     Citation Subset:  IM    
Department of Cardiology, Juntendo University School of Medicine, Tokyo, Japan.
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MeSH Terms
Age Factors
Aged, 80 and over
Alcohol Drinking / adverse effects
Cardiovascular Diseases / complications
Circadian Rhythm
Gastrointestinal Diseases / etiology
Middle Aged
Retrospective Studies
Risk Factors
Sex Factors
Syncope / diagnosis,  etiology*,  physiopathology
Tilt-Table Test
Young Adult

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

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