N/A N=80

Seasonal Variation of Ambulatory Blood Pressure

Hypertension

Bottom Line

View on ClinicalTrials.gov: NCT01119755 ↗

Enrolled (actual)

Serious AEs

0.0%

Results posted

Jan 2012

Primary outcome: Primary: Mean Difference of Systolic Daytime Ambulatory Blood Pressure Between Summer and Winter. — 7.7 mmHg

Study Design & Population

Study type: Observational
Phase: N/A
Interventions: —
Age: Adult, Older Adult · 40+ yrs
Sex: All
Sponsor: University of Athens
Primary completion: Aug 2011

Outcome Measures

Outcome	Result	p-value
PRIMARY Mean Difference of Systolic Daytime Ambulatory Blood Pressure Between Summer and Winter.	7.7	—
PRIMARY Mean Difference of Diastolic Daytime Ambulatory Blood Pressure Between Summer and Winter	4.1	—
PRIMARY Mean Difference of Systolic Night-time Ambulatory Blood Pressure Between Summer and Winter	-0.1	—
PRIMARY Mean Difference of Diastolic Night-time Ambulatory Blood Pressure Between Summer and Winter	0.6	—
SECONDARY Mean Difference of Systolic Clinic Blood Pressure Between Summer and Winter	7.5	—
SECONDARY Mean Difference of Diastolic Clinic Blood Pressure Between Summer and Winter	2.7	—
SECONDARY Mean Difference of Systolic Home Blood Pressure Between Summer and Winter	3.2	—
SECONDARY Mean Difference of Diastolic Home Blood Pressure Between Summer and Winter	2.7	—

Summary

This is a prospective study to evaluate the change in 24 hour ambulatory blood pressure during winter and summer in well controlled treated hypertensives.

Eligibility Criteria

Inclusion Criteria

Age > 40 yrs
Treated hypertension on stable treatment for at least 8 weeks
Average home blood pressure (at least 5 days, 20 readings) < 130/80 mmHg

Exclusion Criteria

Congestive heart failure
Use of loop diuretics

View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT01119755). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.