Document Type : Original Article
Authors
1
Assistant Professor, Department of Midwifery, Patient Safety and Health Quality Research Center , School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran
2
M.Sc. Student, Department of Midwifery, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran
3
Assistant Professor, Department of Neurological Diseases, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
4
Associate Professor, Department of Obstetrics and Gynecology, Women's Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
5
Instructor of Nursing, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran.
Abstract
Introduction: Preeclampsia is the most common and dangerous complication of pregnancy with unknown cause. Systemic inflammation and oxidative stress following sleep disorders may cause increased blood pressure. This study was performed with aim to determine the relationship between sleep quality and preeclampsia.
Methods: This case-control study was conducted on 15 pregnant women with preeclampsia and 150 healthy women, referred to health centers and academic hospitals of Mashhad city in 2014. Data collection tools included information form related to demographic characteristics, clinical and laboratory signs of preeclampsia, depression, anxiety, stress (DAS 21) questionnaire, and Pittsburgh Sleep Quality Index (PSQI). Poor sleep quality was defined as a score >5 from PSQI, preeclampsia was defined as systolic blood pressure ≥140 mm Hg or diastolic blood pressure ≥90 mm Hg accompanied with 24 hours urinary protein excretion > 300 mg, or more than + 1 in the strip. Data was analyzed using SPSS software (version 16), and independent t-test, Mann-Whitney, Chi-square test, and logistic regression model. PResults: There was significant relationship between poor sleep quality and preeclampsia (P<0.001), so that, 119 (79.3%) of preeclamptic patients and 91 (60.7%) of healthy cases had poor sleep quality, and risk of preeclampsia in case of poor sleep quality was 2.48 times more (OR=2.48, %95:4.15-1.49).
Conclusion: Poor sleep quality is predispose of preeclampsia. Thus, sleep quality screening by pregnancy care providers is recommended.
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