California State University San Marcos
San Marcos, California, 92096, United States
NCT Number: NCT03344198
The study will explore the capacity for a lifestyle modification in firefighters to improve blood pressure, blood vessel stiffness, inflammation, and reduce oxidative stress. The study will be a pre- post-testing controlled trial with three groups. The intervention will be a weekly circuit workout program and a Mediterranean (high fruit/vegetable) diet. The groups will be firefighters with >10yrs experience, firefighters with <10yrs experience, and control Non-firefighters.
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Notify Me18 year–70 year
All sexes
Interventional
Not applicable
San Marcos, California, 92096, United States
Recent statistics from the American Heart Association (AHA) have reported that >92% of adults in the U.S. meet at least 1 metric for cardiovascular disease risk factors. In firefighters, this increased risk is especially concerning. The National Fire Protection Agency (NFPA) estimates there are around 1.3 million firefighters in the United States, 70% of which are volunteer. The prevalence of impaired cardiovascular health is higher in firefighters than in the general population and the leading line-of-duty death (LODD) cause is cardiac related. It is known that exercise and diet mitigate cardiovascular disease risk. Meeting the physical activity guidelines remains a target of ideal cardiovascular health and a major public health concern. However, the NFPA does not require volunteer fire companies to have a fitness program for their crew, and sadly less than a third of the stations actually do. And importantly, cardiovascular-related LODD remains a major issue in the firefighter population. The results could guide clinical treatment for firefighters and may therefore reduce cardiac-related LODD.
Healthy volunteers accepted: Yes
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
Participants will receive circuit training program and a modified Mediterranean diet program. Educational sessions, serving size training, and portion containers will be provided. Participants will also receive individualized support throughout the 6 week intervention.
Time frame: Pre-Intervention (Week 0), Post-Intervention (Week 6)
Blood pressure surge response to alarm will be measured by ambulatory blood pressure monitor
Time frame: Pre-Intervention (Week 0), Post-Intervention (Week 6)
Stiffness will be measured by pulse wave velocity
Time frame: Pre-Intervention (Week 0), Post-Intervention (Week 6)
Fitness will be measured by treadmill test
Time frame: Pre-Intervention (Week 0), Post-Intervention (Week 6)
Body composition will be measured by bioelectrical impedance
Time frame: Pre-Intervention (Week 0), Post-Intervention (Week 6)
Inflammation will be measured by assay of circulating bio-markers through blood draw.
Time frame: Pre-Intervention (Week 0), Post-Intervention (Week 6)
Oxidative stress will be measured by assay of circulating antioxidant bio-markers through blood draw.
University of New Hampshire
Other
Effects of Combined Diet & Exercise Intervention on Cardiovascular Risk Factors in Firefighters & Civilians
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