Document Detail

Characteristics of gender-related circadian arterial blood pressure in healthy adolescents.
MedLine Citation:
PMID:  19001834     Owner:  NLM     Status:  MEDLINE    
SUMMARY OBJECTIVE: To define 24-h characteristics of arterial blood pressure in healthy adolescent girls and boys; to determine gender-related differences of blood pressure, its circadian pattern.
MATERIAL AND METHODS: The 24-h blood pressure was monitored hourly in healthy girls (n=22, without no account for the menstrual cycle phase) and boys (n=22). Additionally, blood pressure of adolescent girls (n=15) was examined during different phases of their menstrual cycle (follicular, ovulation, and luteal). Blood pressure was monitored with an auto-cuff automatic outpatient blood pressure monitor.
RESULTS: Investigation showed gender-related differences in 24-h blood pressure. Study results revealed the circadian blood pressure rhythm characterized by a period of low values during nighttime and an early morning increase in both adolescent groups. Nocturnal systolic blood pressure was higher (P<0.05) in boys than in girls in all phases of their menstrual cycle. Diurnal systolic blood pressure in boys was higher than in girls in their follicular phase (P<0.05). The day and night blood pressure differed between boys and girls (P<0.05). A dipping blood pressure pattern as a decrease in mean nighttime blood pressure as compared with mean daytime blood pressure was defined: 10.02+/-6.7% in girls (n=22) and 13+/-6.3% in boys (n=22), without gender-related differences (P>0.05). There were no differences in blood pressure dipping among girls' groups in different menstrual cycle phases (P>0.05). Adolescent boys showed a significant positive correlation between their mean diurnal blood pressure and height (P<0.05).
CONCLUSION: The study proved gender-related arterial blood pressure differences in healthy adolescents. The results demonstrate the gender-specific circadian blood pressure rhythm pattern in both gender groups.
Zaneta Driziene; Eitaute Jakutiene; Donatas Stakisaitis; Birute Pundziene; Audrius Sveikata
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Publication Detail:
Type:  Comparative Study; Evaluation Studies; Journal Article    
Journal Detail:
Title:  Medicina (Kaunas, Lithuania)     Volume:  44     ISSN:  1648-9144     ISO Abbreviation:  Medicina (Kaunas)     Publication Date:  2008  
Date Detail:
Created Date:  2008-11-12     Completed Date:  2010-09-30     Revised Date:  2011-08-25    
Medline Journal Info:
Nlm Unique ID:  9425208     Medline TA:  Medicina (Kaunas)     Country:  Lithuania    
Other Details:
Languages:  eng     Pagination:  768-74     Citation Subset:  IM    
Children Hospital, Vilnius University, Vilnius, Lithuania.
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MeSH Terms
Blood Pressure / physiology*
Blood Pressure Monitoring, Ambulatory
Body Height
Cardiovascular Diseases / etiology
Circadian Rhythm* / physiology
Data Interpretation, Statistical
Hypertension / etiology
Menstrual Cycle
Risk Factors
Sex Factors
Systole / physiology
Time Factors

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

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