Document Detail

Urodynamic and cardiovascular measurements in patients with micturition syncope.
MedLine Citation:
PMID:  9370067     Owner:  NLM     Status:  MEDLINE    
We describe the findings of urodynamic studies, together with blood pressure and heart rate monitoring, in five patients with micturition syncope. All patients had almost normal storage and evacuation function and no evidence of prostate hypertrophy. Conventional head-up tilt testing with an empty urinary bladder caused no change in arterial blood pressure, but a moderate increase in heart rate. Urinary bladder filling caused minimal increases of the arterial pressure and heart rate. The sitting posture with a distended bladder caused mild orthostatic hypotension. Urinary bladder evacuation caused a fall in arterial pressure with a decrease in heart rate. These responses were similar to those described in vasovagal syncope. The central mechanism for the initiation of urinary evacuation, or sensory input from the lower urinary tract, may trigger micturition syncope.
R Sakakibara; T Hattori; K Kita; T Yamanishi; K Yasuda
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Clinical autonomic research : official journal of the Clinical Autonomic Research Society     Volume:  7     ISSN:  0959-9851     ISO Abbreviation:  Clin. Auton. Res.     Publication Date:  1997 Oct 
Date Detail:
Created Date:  1997-12-30     Completed Date:  1997-12-30     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  9106549     Medline TA:  Clin Auton Res     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  219-21     Citation Subset:  IM; S    
Department of Neurology, Chiba University School of Medicine, Japan.
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MeSH Terms
Blood Pressure / physiology
Heart Rate / physiology
Hemodynamics / physiology*
Middle Aged
Syncope / physiopathology*
Tilt-Table Test
Urination / physiology
Urodynamics / physiology*

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