[Behavior of blood pressure in 3 shift work of workers with level I WHO hypertension].

Sep 1, 1989Zeitschrift fur die gesamte Hygiene und ihre Grenzgebiete

Blood pressure patterns in workers with mild hypertension across three different shift schedules

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Abstract

No significant change in blood pressure was observed in 40 shift workers with hypertension during various shifts.

Systolic blood pressure decreased significantly from early to late to night shifts in workers with satisfactory and unsatisfactory stabilization.
Diastolic blood pressure remained constant throughout the shifts.
No differences in average blood pressure values were found across different treatment forms, including no medication, monotherapy, and combined therapy.
The systolic blood pressure was significantly lower in the no medication group after the early shift compared to other therapy groups.
Shift work does not appear to cause a measurable increase in blood pressure that could impair working capacity among hypertensive workers.

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Blood pressure tests were carried out on 40 shift workers with a hypertension level of 1 (according to WHO). Every 5 day period these tests were carried out before, during and after work in the early, late and night shifts. No significant change of both the systolic and the diastolic blood pressure could be found, which could result from shift work, before and after each shift irrespective of the blood pressure stabilization (good, satisfactory, unsatisfactory). The group containing satisfactorily as well as unsatisfactorily stabilized workers suffering from hypertension showed a significant decrease of the systolic blood pressure from the early shift through the late till the night shifts, with the diastolic blood pressure remaining constant. There were no apparent differences in the range of average blood pressure values regarding the various forms of treatment (without medication, monotherapy and combined therapy). The systolic blood pressure is significantly lower only in the group with no medication in the early shift after finishing work and it also decreases from the early shift through the late till the night shifts, while within the other therapy groups no change of both the systolic and the diastolic blood pressure was apparent. Thus shift work does not cause any measurable increase in blood pressure within the test group (suffering from hypertension) that would impair their working capacity. There is no increase of health risk with regard to the blood pressure response during shift work particularly during night work provided the blood pressure is within the normal range.

[Behavior of blood pressure in 3 shift work of workers with level I WHO hypertension].

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