Effect of Progressive Muscle Relaxation (PMR) on Blood Pressure among Patients with Hypertension
In the late 20th century, heart disease and blood vessels, including hypertension are expected to be the leading cause of death developed and developing countries, so that prevention and handling efforts need to be done through both pharmacological and non-pharmacological therapies. Nonpharmacological therapies including lifestyle modification, stress management, and anxiety are the first steps that must be taken. One of the efforts to manage stress and anxiety that can be done is by progressive muscle relaxation. The aim of this study was to obtain an overview of the effect of progressive muscle relaxation on blood pressure reduction in hypertensive patients. The research design used method quasi-experimental, with a pretest and posttest group design with a control group. The sampling technique was carried out by purposive sampling, totaling 52 people, namely 26 people in the intervention group and 26 people in the control group. Statistical analysis used was univariate, bivariate using dependent t-test (paired t-test) to test differences in blood pressure before and after exercise and independent t-test (unpaired t-test) to test differences in blood pressure after exercise in the control group and intervention group. The results showed that there were significant differences in the mean systolic and diastolic blood pressure between before and after PMR intervention (p-value = 0,000), but there was no significant difference in the mean systolic and diastolic blood pressure after intervention in both groups of respondents. In the intervention group, there was a decrease in systolic BP of 24.54 mmHg and a diastolic BP of 16.54 mmHg, whereas in the control group there was a decrease in systolic BP of 11.2 mmHg and a diastolic TD of 5.5 mmHg. The study recommends the need for the use of therapeutic PMR as a complementary therapy in treating patients with hypertension and need further research on the effect of PMR modified with other nonpharmacologic therapies.
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