Simulation of Consecutive Day Shift Work
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 23
- 试验地点
- 1
- 主要终点
- Heart rate
研究概览
简要总结
The purpose of this study is to determine differences in physiological recovery between two consecutive days of simulated fire suppression work. The secondary purpose is to determine differences in heat gain and heat loss between two consecutive days of simulated fire suppression work. Subjects will complete two consecutive days of simulated structural firefighting shift work, 24 hours apart. Before and after each laboratory visit, subjects will continuously wear a Holter monitor and ambulatory blood pressure monitor to quantify parasympathetic tone and recovery from work.
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 主要目的
- Other
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 39 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •18-39 y old men and women
- •Self-reported to be healthy
排除标准
- •History of any cardiovascular, neurologic, renal, or metabolic disease
- •Current tobacco use or regular use within the last 2 years
- •Taking medications with known thermoregulatory or cardiovascular effects (e.g., aspirin, acetaminophen, ibuprofen, beta blockers, diuretics, psychotropics, etc.)
- •History of exertional heat stroke
- •Currently pregnant or breastfeeding, or planning to become pregnant during the study
- •Inability to follow the rules of the protocols or understand the consent form
- •No contraindications for ingestion of the gastrointestinal temperature pill
研究组 & 干预措施
Consecutive work
Subjects will complete 2 consecutive days of simulated firefighting tasks in the heat. The simulated work consists of 20 minutes of simulated structural work in a hot environment, followed by 20 minutes of seated rest in a temperate room, mimicking a typical recovery period in structural firefighting. Subjects then re-enter the environmental chamber and complete 23 minutes of simulated overhaul work in a temperate environment.
干预措施: 2 days of work heat stress (Other)
结局指标
主要结局
Heart rate
时间窗: 20 minutes
Heart rate measured with a wearable heart rate strap and monitor
Core temperature
时间窗: 20 minutes
Gastrointestinal temperature measured with an ingestable pill.
次要结局
未报告次要终点
研究者
Riana Pryor
Primary Investigator
State University of New York at Buffalo