Background: Impaired cardiovascular health is a concern for firefighters, with over 50% of line-of-duty deaths having cardiac causes. Many firefighters have hypertension and <25% have their blood pressure (BP) controlled. The alarm response could be an unidentified cardiac risk, but interestingly, the BP response to different calls and on-the-job activity is unknown. Purpose: We aimed to measure the physiological stress resulting from different call types (fire, medical) and job activity (riding apparatus, pre-alert alarms) through ambulatory BP (ABP) monitoring in a population of firefighters. Materials and methods: During 111 12-h work shifts firefighters wore an ABP monitor. BP was measured at 30-min intervals and manual measurements were prompted when the pager went off or whenever they felt stress. Results: Firefighters were hypertensive (124.3 ± 9.9/78.1 ± 6.7 mmHg), overweight (30.2 ± 4.6 kg/m 2 ), middle-aged (40.5 ± 12.6 years) and experienced (17.3 ± 11.7 years). We calculated an average 11% increase in systolic and 10.5% increase in diastolic BP with alarm. Systolic BP (141.9 ± 13.2 mmHg) and diastolic BP (84.9 ± 11.1 mmHg) and the BP surges were higher while firefighters were responding to medical calls compared to fire calls. Between BP groups we found that medical call systolic BP ( p = .001, d = 1.2), diastolic BP ( p = .017, d = 0.87), and fire call systolic BP ( p = .03, d = 0.51) levels were higher in the hypertensive firefighters. Conclusion: This is the first report of BP surge responses to alarms and to occupational activities in firefighters, and medical calls elicited the largest overall responses.
Blood pressure (BP) responses are controlled by various factors and understanding how BP changes is important to occupational health. This paper presents a review of the literature which reports BP responses in the firefighter population. Hypertension is one of the main risk factors underlying the pathophysiology of cardiovascular disease (CVD), and cardiac incidents remain the leading cause of line-of-duty deaths in firefighters. Risk factors for line-of-duty deaths include obesity, previous or underlying heart disease, and hypertension. The occupation of firefighting is one of the most hazardous and dangerous jobs, yet over 50% of firefighters are volunteers. Tactical operations and the hazardous nature of firefighting are exposures that influence stress responses and therefore affect BP. In fact, hypertension in firefighters often remains undocumented or undiagnosed. CVD risk and elevated BP in tactical populations, like firefighters, may be a combination of physical and emotional stress due to the nature of the job. Cross-sectional studies have reported that firefighters have higher levels of BP and higher rates of hypertension compared to civilians. Interestingly, there is a limited amount of research that reports BP values before and after firefighting-related activities, and very few studies that report on interventional changes in BP. Here we synthesize the literature on firefighting and provide a summary of the studies that report pre- and post- BP levels that relate to CVD risk factors, occupational factors, firefighting activities, and the data on exercise training and BP. More studies are needed that examine BP in firefighters and that report on the changes in BP with occupational activities.
Introduction: Firefighters have a high risk of cardiovascular incidence due to their poor health, fitness, and dietary habits. The purpose of this study was to examine the feasibility of a diet and exercise intervention within firefighters delivered exclusively via telehealth to help reduce the risks of cardiovascular disease. Additionally, the firefighters’ perception of their health was assessed. Methods: Fifteen firefighters participated in a six-week Mediterranean diet and a functional circuit exercise intervention with pre- and post-fitness testing and survey completion. The firefighters had weekly video calls with their telehealth coach. Results: Self-assessed health improved with the intervention from an average of 5.9 to 7.9 out of 10. Both weight and BMI significantly decreased with the intervention. Overall, firefighters had high adherence to both portions of the intervention. Discussion: Telehealth interventions may be efficacious in improving firefighter fitness levels and overall health as firefighters saw positive health and fitness improvements.
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