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Prevention of work-related Cardiovascular Diseases

Promotion of cardiovascular health in the workplace

There are various possibilities for the prevention of cardiovascular diseases in the workplace. Primary, secondary and tertiary preventive approaches should all be considered here.

Current knowledge on the occupational causes of a cardiovascular disease points towards the possibility of influencing the risk for these diseases through measures for work structuring (work organisation and workplace design).

Where prevention is concerned, i.e. avoidance of the disease or delays to its emergence, appropriate measures for work structuring and individual lifestyle changes are significant. Questions of work structuring with regard to cardiovascular health are the contents of various BAuA projects.

Workplace health promotion

Cardiovascular risk can be assessed in the framework of offers for workplace health promotion. In this way, risk factors can be identified, such as undetected hypertension or prediabetes. In combination with (lifestyle) counselling, employees can get to know possibilities for influencing their risk factors.

For the prevention of cardiovascular diseases in the workplace environment it is important that all players in the company – above all employers, employees, company doctors and safety specialists - are sufficiently sensitised and informed on the subject of work and (cardiovascular) health. The population attributable risk (PAR) is a suitable measure for this. The PAR states the percentage by which the incidence of a disease among the population can be reduced if this risk factor were eliminated. Lifestyle risk factors such as nicotine consumption and physical inactivity are accepted as significant for the development of a cardiovascular disease. In comparison to a PAR of over 30 per cent for nicotine consumption, the PAR for physical inactivity is relatively low at 8 per cent. Physical inactivity is regarded as less than 150 minutes of moderate activity per week. PARs determined for occupational risk factors lie within a similar range: shift work at 4 to 5 per cent, overlong working hours at 5 to 8 per cent. This is indicative of a potential not only for behavioural prevention, i.e. support for lifestyle changes, but also for organizational prevention, i.e. changes in the work environment or work restructuring. BAuA's research project F 2316 compares the importance of occupational and general CVD risk factors.

Preventive occupational medical care

In accordance with the German Ordiance of Occupational Healthcare Regulations (ArbMedVV), cardiac efficiency must be measured in occupational health check-ups to evaluate the stress and the resilience of the cardiovascular system with some occupational demands - for example, if the employee wears breathing apparatus. An exercise ECG is suitable for this. This is also a standard examination for the early detection of cardiovascular disease (CVD) in employees who work with chemical substances such as carbon monoxide or trichlorethane.

In case of occupational risk factors of CVD, such as shift work, the cardiovascular risk (risk score) can be ascertained. For this purpose, the doctor compiles data on the probability of myocardial infarction - i.e., blood pressure, plasma lipid levels, genetic disposition and lifestyle factors - in order to inform those affected at an early stage and to intervene where necessary.

In the framework of updating and upgrading the "Guidelines on health aspects and structuring night work and shift work" (AWMF S2k guideline), the level of scientific knowledge of the effects of night work and shift work on employees' health, that is on the cardiovascular system as well, is summarised. Starting from this, recommendations on the structuring of night work and shift work and recommendations for preventive and compensatory measures are will be derived and consented.

Workplace integration management

According to data from the German pension insurance (Deutsche Rentenversicherung), benefits for medical rehabilitation with the indication of coronary heart disease or myocardial infarction have increased by about 30 per cent in the last ten years. In 2014, five per cent of all medical rehabilitation benefits were the result of coronary heart disease or myocardial infarction. The average age of rehabilitants was 54.5. Women of working age are much less affected by coronary heart disease than men: according to the Rehabilitation Report 2015, only 17 per cent of the rehabilitation benefits were claimed by women. After completion of rehabilitation, the capacity - in relation to the last occupation - is restored for approx. 90 per cent of cardiology patients (cf. Reha-Bericht 2015).

Returning to work after the illness is very important for those affected, because through their work they can secure their financial existence and take part in social life. Both personal and occupational factors play a part in the success of the reintegration process. As occupational factors, both high physical workload and psychococial risk factors are under discussion as determinants for the reintegration process.

BAuA project F 2354 evaluates interventions for supporting the return-to-work process (RTW) for patients with coronary heart disease in the framework of a Cochrane review.

Compensation for occupational diseases

The cardiovascular diseases described here are regarded by the German Social Accident Insurance (DGUV) as "widespread diseases" that are only recognised as occupational diseases subject to very specific special conditions.

Research Projects

Further Information