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The Cardiovascular Impact of Hot Flushes
Sponsor: University of Minnesota
Summary
The overall objective of this study is to examine the physiological responses that occur during a hot flush in postmenopausal women. The following specific aims will be executed to reach the overall objective of this study. Aim 1: To determine if hot flushes can be reliably induced with a temperature-controlled, water- circulating (TCWC) heating pad. Based on previous research, the investigators hypothesize that hot flushes will be inducible with the TCWC in symptomatic women, but not in asymptomatic women. Aim 2: To determine if heat-induced hot flushes in symptomatic women will cause reproducible cardiovascular and respiratory responses. The investigators hypothesize that heat-induced hot flushes produce similar and reproducible cardiovascular and respiratory responses to spontaneous hot flushes. Aim 3: To determine if body fat percentage influences hot flush severity or frequency during spontaneous or induced hot flushes. The investigators hypothesize that women with higher body fat have reduced hot flash severity and frequency.
Key Details
Gender
FEMALE
Age Range
40 Years - 70 Years
Study Type
OBSERVATIONAL
Enrollment
60
Start Date
2022-03-01
Completion Date
2026-05-26
Last Updated
2025-04-15
Healthy Volunteers
Yes
Conditions
Interventions
Hot Flush Induction
A temperature-controlled, water-circulating heating pad at a constant temperature of 107˚F will be placed on the participant's torso, a microwaved heating neck pad will be placed on the participant's neck, and two warm balloons will be placed in the participant's hands for 30 min. Subjective (verbal start and end point to be marked on LabChart software) and objective (skin conductance and skin temperature) measures of hot flushes will be recorded.
Locations (1)
University of Minnesota
Minneapolis, Minnesota, United States