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ORIGINAL ARTICLE
Year : 2016  |  Volume : 21  |  Issue : 3  |  Page : 331-336

The effects of progressive muscular relaxation and breathing control technique on blood pressure during pregnancy


1 Islamic Azad University of Mashhad, Mashhad, Iran
2 School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran
3 Mashhad University of Medical Sciences, Mashhad, Iran

Correspondence Address:
Farzaneh Jafarnejad
School of Nursing and Midwifery, Mashhad University of Medical Sciences, Ibn Sina Street, Mashhad
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1735-9066.180382

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Background: Hypertensive disorders in pregnancy are the main cause of maternal and fetal mortality; however, they have no definite effective treatment. The researchers aimed to study the effects of progressive muscular relaxation and breathing control technique on blood pressure (BP) during pregnancy. Materials and Methods: This three-group clinical trial was conducted in Mashhad health centers and governmental hospitals. Sixty pregnant (after 20 weeks of gestational age) women with systolic BP ≥ 135 mmHg or diastolic BP ≥ 85 mmHg were assigned to three groups. Progressive muscular relaxation and breathing control exercises were administered to the two experimental groups once a week in person and in the rest of the days by instructions given on a CD for 4 weeks. BP was checked before and after the interventions. BP was measured before and after 15 min subjects' waiting without any especial intervention in the control group. Results: After 4 weeks of intervention, the systolic (by a mean of 131.3 to 117.2, P = 0.001 and by a mean of 131.05 to 120.5, P = 0.004, respectively) and diastolic (by a mean of 79.2 to 72.3, P = 0.001 and by a mean of 80.1 to 76.5, P = 0.047, respectively) BPs were significantly decreased in progressive muscular relaxation and breathing control groups, but they were not statistically significant in the control group. Conclusions: The interventions were effective on decreasing systolic and diastolic BP to normal range after 4 weeks in both the groups. The effects of both the interventions were more obvious on systolic BP compared to diastolic BP.


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