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Published on: March 21, 2013
Risk Factors for Orthostatic Hypertension in Children
Yang Hu1, Bing He2, Zhenhui Han3
1Department of Pediatrics, Peking University First Hospital, Beijing, China; Research Unit of Clinical Diagnosis and Treatment of Pediatric Syncope and Cardiovascular Diseases, Chinese Academy of Medical Sciences, Beijing, China.
Insights
Pediatric orthostatic hypertension is linked to higher body mass index and red blood cell distribution width, alongside lower water intake and sleep duration. Addressing these factors may reduce the risk in children.
Area of Science:
- Pediatric cardiology and internal medicine.
- Clinical research on cardiovascular health in children.
Background:
- Orthostatic hypertension (OH) is a condition characterized by a significant drop in blood pressure upon standing.
- Identifying risk factors for pediatric OH is crucial for early intervention and management.
Purpose of the Study:
- To investigate the risk factors associated with orthostatic hypertension in children.
- To determine the relationship between lifestyle factors, anthropometric measurements, and the incidence of pediatric OH.
Main Methods:
- A case-control study involving 80 children diagnosed with orthostatic hypertension and 51 healthy children.
- Data collection included demographic information, clinical history, daily water intake, sleep duration, standing test results, and complete blood count.
- Logistic regression analysis was employed to identify independent risk factors for pediatric orthostatic hypertension.
Main Results:
- Children with orthostatic hypertension exhibited higher body mass index (BMI) and red blood cell distribution width (RDW) compared to controls.
- Lower daily water intake and shorter sleep duration were observed in the orthostatic hypertension group.
- Logistic regression revealed that overweight, obesity, daily water intake <800 mL, and increased RDW were significant risk factors for pediatric OH. Increased sleep duration showed a protective effect.
Conclusions:
- Elevated body mass index (overweight and obesity), insufficient daily water intake, and increased red blood cell distribution width are significant risk factors for pediatric orthostatic hypertension.
- Inadequate sleep duration is also identified as a contributing factor to the development of orthostatic hypertension in children.
- These findings highlight the importance of lifestyle modifications, including maintaining adequate hydration and sleep, and managing weight, in preventing pediatric orthostatic hypertension.
Objective:
To investigate the risk factors for orthostatic hypertension in children.
Study Design:
Eighty children with orthostatic hypertension were enrolled in the group with orthostatic hypertension, and 51 healthy children served as the control group. Demographic characteristics, clinical history, daily water intake, nightly sleep duration, the results of the standing test, and complete blood count were recorded and compared between the 2 groups. The risk factors for pediatric orthostatic hypertension were determined by logistic regression analysis.
Results:
Body mass index and red blood cell distribution width were higher in the group with orthostatic hypertension than in healthy children, whereas daily water intake and sleep duration were lower. Logistic regression analyses showed that, if a child suffered from overweight, suffered from obesity, had a daily water intake of less than 800 mL, or had a red blood cell distribution width that was increased by 1%, the risk of orthostatic hypertension would be increased by 6.069 times (95% CI, 1.375-26.783; P < .05), 7.482 times (95% CI, 1.835-30.515; P < .01), 4.027 times (95% CI, 1.443-11.241; P < .01), or 4.008 times (95% CI, 1.698-9.461; P < .01), respectively. However, if the sleep duration was increased by 1 hour, the risk of developing orthostatic hypertension would be decreased by 74.3% (95% CI, 54.6%-85.4%, P < .01).
Conclusions:
Increased body mass index, inadequate water intake and sleep duration, and elevated red blood cell distribution width were identified as risk factors for pediatric orthostatic hypertension.
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