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| Name | Class |
|---|---|
| American Heart Association | OTHER |
| California State University, San Marcos | OTHER |
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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.
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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Firefighter (Veteran) Group | Experimental | Firefighters with >10yrs experience. Circuit Training exercise & Modified Mediterranean diet |
|
| Firefighter (Novice) Group | Experimental | Firefighters with <10yrs experience. Circuit Training exercise & Modified Mediterranean diet |
|
| Control Non-Firefighter Group | Experimental | Non-Firefighter adults. Circuit Training exercise & Modified Mediterranean diet |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Circuit Training exercise & Modified Mediterranean diet | Behavioral | 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. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in blood pressure | Blood pressure surge response to alarm will be measured by ambulatory blood pressure monitor | Pre-Intervention (Week 0), Post-Intervention (Week 6) |
| Measure | Description | Time Frame |
|---|---|---|
| Change in vascular stiffness | Stiffness will be measured by pulse wave velocity | Pre-Intervention (Week 0), Post-Intervention (Week 6) |
| Change in cardiopulmonary fitness | Fitness will be measured by treadmill test |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Deborah L Feairheller, PhD | California State University, San Marcos | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| California State University San Marcos | San Marcos | California | 92096 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 35734390 | Background | Donahue S, McMorrow C, Almeida AA, Feairheller DL. Feasibility and Perception of a Diet and Exercise Intervention Delivered via Telehealth to Firefighters. Int J Telerehabil. 2022 Jun 3;14(1):e6458. doi: 10.5195/ijt.2022.6458. eCollection 2022. | |
| 34985026 | Background | Almeida AA, Reeve EH, Dickinson RL, Carty M, Gilpin J, Feairheller DL. Civilians Have Higher Adherence and More Improvements in Health With a Mediterranean Diet and Circuit Training Program Compared With Firefighters. J Occup Environ Med. 2022 Jun 1;64(6):488-494. doi: 10.1097/JOM.0000000000002478. Epub 2022 Jan 4. |
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data will be entered
2023
must get approval from PI
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP | Yes | Yes | No | Study Protocol and Statistical Analysis Plan | May 17, 2020 | Aug 2, 2023 | Prot_SAP_000.pdf |
| ICF | No | No | Yes | Informed Consent Form | May 17, 2020 | Aug 2, 2023 | ICF_001.pdf |
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| ID | Term |
|---|---|
| D009043 | Motor Activity |
| D002318 | Cardiovascular Diseases |
| ID | Term |
|---|---|
| D001519 | Behavior |
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| Pre-Intervention (Week 0), Post-Intervention (Week 6) |
| Change in body composition | Body composition will be measured by bioelectrical impedance | Pre-Intervention (Week 0), Post-Intervention (Week 6) |
| Change in inflammation | Inflammation will be measured by assay of circulating bio-markers through blood draw. | Pre-Intervention (Week 0), Post-Intervention (Week 6) |
| Change in oxidative stress | Oxidative stress will be measured by assay of circulating antioxidant bio-markers through blood draw. | Pre-Intervention (Week 0), Post-Intervention (Week 6) |
| 37070561 | Background | Feairheller DL, Smith M, Carty M, Reeve EH. Blood pressure surge with alarm is reduced after exercise and diet intervention in firefighters. Blood Press Monit. 2023 Jun 1;28(3):134-143. doi: 10.1097/MBP.0000000000000649. Epub 2023 Apr 12. |
| 35096239 | Background | McLaughlin KC, Perez AN, Donahue S, Feairheller DL. Tactical Circuit Training Improves Blood Pressure and Vascular Health More Than Resistance Training. Int J Exerc Sci. 2021 Nov 1;14(3):1320-1333. doi: 10.70252/CKXH1603. eCollection 2021. |
| 36597210 | Background | Rynne PJ, Derella CC, McMorrow C, Dickinson RL, Donahue S, Almeida AA, Carty M, Feairheller DL. Blood pressure responses are dependent on call type and related to hypertension status in firefighters. Blood Press. 2023 Dec;32(1):2161997. doi: 10.1080/08037051.2022.2161997. |
| 34979891 | Background | McMorrow C, Feairheller DL. Blood Pressure Responses in Firefighters: A Review. Curr Hypertens Rev. 2022;18(2):145-152. doi: 10.2174/1573402118666220103094201. |
| 28628053 | Background | Derella CC, Aichele KR, Oakman JE, Cromwell CM, Hill JA, Chavis LN, Perez AN, Getty AK, Wisdo TR, Feairheller DL. Heart Rate and Blood Pressure Responses to Gear Weight Under a Controlled Workload. J Occup Environ Med. 2017 Apr;59(4):e20-e23. doi: 10.1097/JOM.0000000000000997. |