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Castillo-García M, Solano-Pérez E, Coso C, Romero-Peralta S, García-Borreguero D, Izquierdo JL, Mediano O. Impact of obstructive sleep apnea in cardiovascular risk in the pediatric population: A systematic review. Sleep Med Rev 2023; 71:101818. [PMID: 37478535 DOI: 10.1016/j.smrv.2023.101818] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/30/2023] [Accepted: 07/07/2023] [Indexed: 07/23/2023]
Abstract
While the association of obstructive sleep apnea (OSA) with an increased cardiovascular risk (CVR) in the adult population is well known, there is insufficient evidence to affirm something similar in the pediatric population. On the other hand, adenotonsillectomy has been shown to be an effective treatment. Our objective was to evaluate the association of sleep respiratory disorders in children with increased CVR and the impact of adenotonsillectomy in the literature. To this aim, a literature search was conducted, between 2002 to the present. After carrying out a systematic review, the following results were provided: thoracic echocardiography after surgery found improvements in terms of cardiac function and structure; blood pressure (BP) measurement, verified a tendency to higher BP values in the OSA pediatric population, which improved after surgery; different biomarkers of CVR, were increased in OSA patients and improved after treatment and finally; some studies found endothelial dysfunction in pediatric OSA, a measurement of vascular system function, was reversible with adenotonsillectomy. Increases in BP parameters, biological markers related to CVR and alterations in cardiac function structure, have been reported in pediatric patients with OSA. At least, some of these parameters would be reversible after adenotonsillectomy, reflecting a possible reduction in CVR.
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Affiliation(s)
- María Castillo-García
- Sleep Unit, Pneumology Department, Hospital Universitario de Guadalajara, Guadalajara, Spain; Predoctoral Student in Universidad de Alcalá, Madrid, Spain; Sleep Research Institute, Madrid, Spain
| | - Esther Solano-Pérez
- Sleep Unit, Pneumology Department, Hospital Universitario de Guadalajara, Guadalajara, Spain; Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain
| | - Carlota Coso
- Sleep Unit, Pneumology Department, Hospital Universitario de Guadalajara, Guadalajara, Spain; Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain
| | - Sofía Romero-Peralta
- Sleep Unit, Pneumology Department, Hospital Universitario de Guadalajara, Guadalajara, Spain; Predoctoral Student in Universidad de Alcalá, Madrid, Spain; Sleep Research Institute, Madrid, Spain
| | | | - Jose Luis Izquierdo
- Sleep Unit, Pneumology Department, Hospital Universitario de Guadalajara, Guadalajara, Spain; Medicine Department, Universidad de Alcalá, Madrid, Spain
| | - Olga Mediano
- Sleep Unit, Pneumology Department, Hospital Universitario de Guadalajara, Guadalajara, Spain; Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain; Medicine Department, Universidad de Alcalá, Madrid, Spain.
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Cui Y, Zhang F, Wang H, Wu J, Zhang D, Xing Y, Shen X. Children who appeared or remained overweight or obese predict a higher follow-up blood pressure and higher risk of hypertension: a 6-year longitudinal study in Yantai, China. Hypertens Res 2023; 46:1840-1849. [PMID: 37095339 DOI: 10.1038/s41440-023-01286-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 03/28/2023] [Accepted: 04/04/2023] [Indexed: 04/26/2023]
Abstract
Few longitudinal studies have examined the effect of weight status change on blood pressure change over time and incidence of hypertension among Chinese children. The longitudinal study enrolled 17,702 Chinese children aged 7 years in Yantai in 2014 as baseline, with a continuous 5 years of follow-up to 2019. Generalized estimating equation model was fitted to examine the main and interaction effects of weight status change and time with blood pressure and the incidence of hypertension. Compared with the participants who remained normal weight, the participants who remained overweight or obese had higher systolic blood pressure (SBP) (β = 2.89, p < 0.001) and diastolic blood pressure (DBP) (β = 1.79, p < 0.001). Significant interactions were identified between weight status change and time with SBP (χ2interaction = 697.77, p < 0.001) and DBP (χ2interaction = 270.49, p < 0.001). The odds ratio (OR) and 95% confidence interval (CI) of hypertension were 1.70 (1.59-1.82) for participants who appeared overweight or obese, 2.26 (2.14-2.40) for participants who remained overweight or obese, compared with the participants who remained normal weight. Those who switched from overweight or obesity to normal weight had almost the same risk of developing hypertension (OR = 1.13, 95% CI: 1.02 to 1.26) as children who remained normal weight. Children who appeared or remained overweight or obese predict a higher follow-up blood pressure and higher risk of hypertension, whereas losing weight could reduce blood pressure and the risk of hypertension. Children who appeared or remained overweight or obese predict a higher follow-up blood pressure and higher risk of hypertension, whereas losing weight could reduce blood pressure and the risk of hypertension.
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Affiliation(s)
- Yixin Cui
- Department of Epidemiology and Health Statistics, Medical College of Qingdao University, Qingdao, 266071, China
| | - Fan Zhang
- Department of Epidemiology and Health Statistics, Medical College of Qingdao University, Qingdao, 266071, China
| | - Hao Wang
- Department of Epidemiology and Health Statistics, Medical College of Qingdao University, Qingdao, 266071, China
| | - Jianyan Wu
- Department of Anesthetized One, Jiaozhou People's Hospital of Qingdao, Qingdao, Shandong Province, China
| | - Dongfeng Zhang
- Department of Epidemiology and Health Statistics, Medical College of Qingdao University, Qingdao, 266071, China
| | - Yufang Xing
- Institute of Infectious Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan, Shandong Province, China.
| | - Xiaoli Shen
- Department of Epidemiology and Health Statistics, Medical College of Qingdao University, Qingdao, 266071, China.
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Poh BK, Ang YN, Yeo GS, Lee YZ, Lee ST, Chia JSM, Wee BS. Anthropometric indices, but not birth weight, are associated with high blood pressure risk among Malay adolescents in Kuala Lumpur. DIALOGUES IN HEALTH 2022; 1:100006. [PMID: 38515871 PMCID: PMC10953880 DOI: 10.1016/j.dialog.2022.100006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 02/23/2022] [Accepted: 02/28/2022] [Indexed: 03/23/2024]
Abstract
Background With the high prevalence of hypertension, it is important to determine its predictors early. The aim of this study was to determine the association between blood pressure with anthropometric indices and birth weight among a population of Malay adolescents in Kuala Lumpur. Design and methods This cross-sectional study was carried out among 254 primary and secondary school adolescents aged 10 to 16 years. Anthropometric measurements and blood pressure were determined through standardized protocols, while participants' birth weight was obtained from birth certificate. Body mass index (BMI), waist-to-hip ratio (WHR), waist-to-height ratio (WHtR) and a body shape index (ABSI) were calculated. Results Boys had significantly higher weight, height, WC, WHtR and systolic blood pressure (SBP) than girls (p < 0.05). SBP was moderately correlated with body weight (r = 0.60), WC (r = 0.55), BMI (r = 0.54), height (r = 0.47), WHtR (rs = 0.36) and WHR (r = 0.30). Moderate correlations were found between diastolic blood pressure (DBP) with BMI (r = 0.26), WC (r = 0.23) and body weight (r = 0.20). Participants with BMI > +1SD had higher odds of being prehypertensive or hypertensive (aOR 8.97; 95% CI 3.16, 25.48), followed by participants with WC ≥ 90th percentile (aOR 6.31; 95% CI 2.48, 16.01) and participants with WHtR > 0.5 (aOR 5.10; 95% CI 2.05, 12.69). Multiple linear regression showed BMI was positively associated with both SBP and DBP. No significant association was found between birth weight and BP. Conclusion BMI had the best predictive ability for SBP and DBP. These findings strongly emphasize the importance of primary prevention of hypertension in adolescents, especially among those with high BMI.
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Affiliation(s)
- Bee Koon Poh
- Nutritional Sciences Programme & Centre for Community Health Studies (ReaCH), Faculty of Health Sciences, Universiti Kebangsaan Malaysia, 50300 Kuala Lumpur, Malaysia
| | - Yeow Nyin Ang
- Nutritional Sciences Programme & Centre for Community Health Studies (ReaCH), Faculty of Health Sciences, Universiti Kebangsaan Malaysia, 50300 Kuala Lumpur, Malaysia
| | - Giin Shang Yeo
- Nutritional Sciences Programme & Centre for Community Health Studies (ReaCH), Faculty of Health Sciences, Universiti Kebangsaan Malaysia, 50300 Kuala Lumpur, Malaysia
| | - Yong Zhuan Lee
- Nutritional Sciences Programme & Centre for Community Health Studies (ReaCH), Faculty of Health Sciences, Universiti Kebangsaan Malaysia, 50300 Kuala Lumpur, Malaysia
| | - Shoo Thien Lee
- Nutritional Sciences Programme & Centre for Community Health Studies (ReaCH), Faculty of Health Sciences, Universiti Kebangsaan Malaysia, 50300 Kuala Lumpur, Malaysia
| | | | - Bee Suan Wee
- School of Nutrition and Dietetics, Faculty of Health Sciences, Universiti Sultan Zainal Abidin, 21300 Kuala Nerus, Terengganu, Malaysia
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Prevalence of High Blood Pressure in Pediatric Patients with Sleep-Disordered Breathing, Reversibility after Treatment: The KIDS TRIAL Study Protocol. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9121849. [PMID: 36553294 PMCID: PMC9776550 DOI: 10.3390/children9121849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/15/2022] [Accepted: 11/24/2022] [Indexed: 11/30/2022]
Abstract
Current data support an increase in the prevalence of high blood pressure (HBP) in pediatric patients with sleep-disordered breathing (SDB). Adeno-tonsillectomy has been shown to be an effective treatment for most patients. Our objective was to determine the prevalence of HBP in pediatric patients with SDB and the impact of adeno-tonsillectomy with a multicenter, longitudinal, and prospective study that included 286 children referred for suspected SDB. The diagnosis of SDB was established by polysomnography (PSG) and the diagnosis of HBP by 24-h ambulatory blood pressure monitoring (ABPM). In patients without SDB and SDB without treatment indication, these tests were repeated six months after the baseline visit. For patients with medical treatment for SDB, the tests were repeated six months after the treatment initiation. Finally, in patients with surgery indication, ABPM was performed just before surgical treatment and ABPM and PSG six months after the intervention. The study contributes to elucidating the association between SDB and HBP in pediatric patients. Moreover, it contributes to determining if intervention with adeno-tonsillectomy is associated with BP reduction. The results have direct implications for the management of SDB, providing essential information on treatment indications for existing clinical guidelines. NCT03696654.
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Liu S, Lan Y, He G, Chen B, Jia Y. The associations between problematic smartphone use and blood pressure among 2,573 aged 9-17 years students in Shanghai, China. Front Public Health 2022; 10:904509. [PMID: 36159281 PMCID: PMC9490019 DOI: 10.3389/fpubh.2022.904509] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 08/16/2022] [Indexed: 01/22/2023] Open
Abstract
Objectives This study aimed to (1) examine the cross-sectional association between problematic smartphone use (PSU) and blood pressure (BP) in children and adolescents and (2) determine whether the association between PSU and BP differs by the grade of students. Methods We recruited a total of 2,573 participants from 14 schools in Shanghai by a two-stage sampling method. We derived BP data from the participant's most recent medical examination data, including systolic blood pressure (SBP) and diastolic blood pressure (DBP). We measured PSU by a modified PSU Classification Scale. We also assessed demographic characteristics, body mass index, behavioral variables, and physiological characteristics. Results High school students had higher BP and PSU scores than primary and middle school students. PSU on the dimension of information collection was associated positively with both SBP and DBP among primary and middle school students, with the β (95% CI) values of 0.282 (0.018, 0.546) and 0.229 (0.031, 0.427). Meanwhile, the dimension of the relationship of social network was associated positively with SBP among primary and middle school students, with a β (95% CI) value of 0.390 (0.062, 0.717). PSU on the dimension of information collection was positively associated with the development of high BP, with a OR (95% CI) value of 1.072 (1.011, 1.137) among primary and middle school students. Conclusions PSU might be a potential correlate of high BP among school-age children and adolescents. The associations between PSU and BP differed by the grade of students as well as according to the four dimensions of PSU.
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Affiliation(s)
- Shaojie Liu
- Department of Nutrition and Food Hygiene, School of Public Health, Fudan University, Shanghai, China
| | - Yukun Lan
- Department of Preventive Medicine and Health Education, School of Public Health, Fudan University, Shanghai, China
| | - Gengsheng He
- Department of Nutrition and Food Hygiene, School of Public Health, Fudan University, Shanghai, China
| | - Bo Chen
- Department of Nutrition and Food Hygiene, School of Public Health, Fudan University, Shanghai, China
| | - Yingnan Jia
- Department of Preventive Medicine and Health Education, School of Public Health, Fudan University, Shanghai, China,*Correspondence: Yingnan Jia
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Optimal cutoff of the abdominal skinfold thickness (AST) to predict hypertension among Chinese children and adolescents. J Hum Hypertens 2022; 36:860-865. [PMID: 34244593 DOI: 10.1038/s41371-021-00573-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 05/08/2021] [Accepted: 06/28/2021] [Indexed: 11/09/2022]
Abstract
Previous studies have shown that the correlation between the abdominal skinfold thickness (AST) and hypertension is better than that observed using the body mass index (BMI) or waist-to-height ratio (WHtR). We aimed to explore the optimal cutoff of the AST to predict childhood hypertension. The AST percentiles were calculated based on 215,223 students from the Chinese National Survey on Students' Constitution and Health (CNSSCH) in 2010 using the LMS method. Logistic regression model and Receiver operating characteristic (ROC) curves were used to evaluate the optimal cutoff of the AST to predict hypertension based on a sample of 683 children aged 8-15 years. The prevalence of hypertension was 5.71% (5.45% in boys and 6.01% in girls). The area under the ROC curve [AUC (95% CI)] values of the BMI, WHtR and AST to predict hypertension were 0.62 (0.47-0.77), 0.61 (0.45-0.76), and 0.67 (0.54-0.80) in boys and 0.59 (0.46-0.71), 0.65 (0.50-0.80), and 0.70 (0.57-0.83) in girls, respectively. The AUC value at P85 of AST in boys and that at P90 of AST in girls to predict hypertension were higher than other percentile values of AST. The OR (95% CI) values of the optimal cutoff of the AST associated with hypertension were 2.90 (1.17-7.20) and 4.91 (1.81-13.31) in boys and girls, respectively, and were higher than those associated with overweight/obesity (based on BMI) and abdominal obesity (based on WHtR).The AST was more effectively associated with hypertension than the BMI and WHtR, and the optimal cutoff to predict hypertension was at P85 for boys and P90 for girls.
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7
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Kim JY, Cho H, Kim JH. Difference in the Prevalence of Elevated Blood Pressure and Hypertension by References in Korean Children and Adolescents. Front Med (Lausanne) 2022; 9:793771. [PMID: 35280904 PMCID: PMC8907724 DOI: 10.3389/fmed.2022.793771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 01/20/2022] [Indexed: 11/13/2022] Open
Abstract
The prevalence of pediatric hypertension and obesity has increased over the past decades. Pediatric hypertension and obesity are associated with adult hypertension, metabolic syndrome, and cardiovascular disease. There are two main pediatric blood pressure (BP) classification guidelines, the "Clinical Practice Guideline for Screening and Management of High Blood Pressure in Children and Adolescents" (AAP 2017) and "2016 European Society of Hypertension guidelines for the management of high BP in children and adolescents" (ESH 2016). No study has classified Korean youths with cardiometabolic risk. This study analyzed the prevalence of high BP according to AAP 2017 (elevated BP and hypertension) and ESH 2016 (prehypertension and hypertension) in Korean children. Additionally, the cardiometabolic risk factors (CMRFs) were compared between children who were hypertensive in AAP 2017 but normotensive in ESH 2016 (upward reclassified) to those who were normotensive in both AAP 2017 and ESH 2016. Data were extracted from the Korea National Health and Nutrition Examination Survey, 2016-2018. A total of 1,858 children aged 10-17 years were included in the analysis. The prevalence of elevated BP/prehypertension and hypertension was 4.1 and 6.5% by ESH 2016, and 8.9 and 9.4% by AAP 2017 in Korean youth, respectively. The AAP 2017 reclassified 11.9% of youth in the upper BP class. When those upward reclassified youth were compared to those who were normotensive in both AAP 2017 and ESH 2016, reclassified youth were male predominant (77.1 vs. 49.6%, p < 0.001), older (14.6 vs. 13.8, p < 0.001) and showed higher body mass index (BMI) z-score (0.77 vs. 0.15, p < 0.001) and more overweight/obesity (14.0/30.6 vs. 13.3/6.4%, p < 0.001) and severe CMRFs (triglyceride 83.2 vs. 72.9 mg/dL, p = 0.011; high-density lipoprotein cholesterol 47.3 vs. 51.1 mg/dL, p < 0.001; alanine transaminase 21.7 IU/L vs. 14.7 IU/L, p = 0.001, uric acid 5.89 vs. 5.22 mg/dL, p < 0.001; metabolic syndrome 13.2 vs. 1%, p < 0.001). In conclusion, AAP 2017 showed a higher prevalence of abnormal BP in Korean youth, and those upward reclassified by AAP 2017 were more obese and had severe CMRFs than normotensive Korean children. The AAP 2017 could allow the early detection of Korean youth with more CMRFs.
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Affiliation(s)
- Jeong Yeon Kim
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Heeyeon Cho
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Jae Hyun Kim
- Department of Pediatrics, Seoul National University Bundang Hospital, Seongnam, South Korea.,Department of Pediatrics, Seoul National University College of Medicine, Seoul, South Korea
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Abstract
The 95th percentile of blood pressure (BP) among healthy children is the currently accepted level used to denote a hypertensive BP reading in pediatric patients. Yet, ample data have emerged showing that the detrimental effects of high BP can be demonstrated at BP levels considered normal by current guidelines. Cardiac, vascular, cognitive, and kidney effects have been shown starting at the 90th percentile in cross-sectional studies, and markers of adult cardiovascular disease appear in longitudinal cohorts whose members had modestly elevated or even normal BP as youth. This review summarizes data that support a lower threshold of concern for children and adolescents, and outlines some of the remaining questions to be answered before a lower threshold BP level could be adopted.
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Affiliation(s)
- Joseph T Flynn
- Department of Pediatrics, University of Washington School of Medicine. Division of Nephrology, Seattle Children's Hospital, WA
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Comparison of China Reference with Different National and International References: The Prevalence of High Blood Pressure in 695,302 Children and Adolescents in a Metropolis of Yangtze River Delta, China. Int J Hypertens 2021; 2021:3976609. [PMID: 34796027 PMCID: PMC8595015 DOI: 10.1155/2021/3976609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 10/21/2021] [Indexed: 11/17/2022] Open
Abstract
Objectives This study aimed to compare performances of China reference and different national references on high blood pressure (HBP). Methods A cross-sectional study including 695,302 children and adolescents aged 7 to 17 years in Suzhou, China, was conducted to determine the prevalence of HBP based on U.S., international, Europe, and China references in 2016. Results Different percentiles of height and blood pressure were found among four references. Referring to U.S. reference, the prevalence of HBP was the highest with 26.0%, followed by International reference with 20.0%, Europe reference with 19.5%, and China reference with 19.2%. McNemar tests indicated statistically significant differences between HBP prevalence comparing China reference with the other 3 references (P < 0.001). The area under the curve was 0.947, 0.851, and 0.949 for U.S., international, and Europe reference, respectively. U.S. reference showed the highest sensitivity (98.2%), but the lowest specificity (91.2%), and Europe reference showed the highest kappa value (0.893). Conclusions The prevalence of HBP varied among these four references, and the appropriate choice of reference would be important to recognize high-risk children and judge the trends of HBP prevalence in the targeted population.
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Pool LR, Aguayo L, Brzezinski M, Perak AM, Davis MM, Greenland P, Hou L, Marino BS, Van Horn L, Wakschlag L, Labarthe D, Lloyd-Jones D, Allen NB. Childhood Risk Factors and Adulthood Cardiovascular Disease: A Systematic Review. J Pediatr 2021; 232:118-126.e23. [PMID: 33516680 DOI: 10.1016/j.jpeds.2021.01.053] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 01/21/2021] [Accepted: 01/22/2021] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To conduct a comprehensive review of the literature on childhood risk factors and their associations with adulthood subclinical and clinical cardiovascular disease (CVD). STUDY DESIGN A systematic search was performed using the MEDLINE, EMBASE, PsycINFO, CINAHL, and Web of Science databases to identify English-language articles published through June 2018. Articles were included if they were longitudinal studies in community-based populations, the primary exposure occurred during childhood, and the primary outcome was either a measure of subclinical CVD or a clinical CVD event occurring in adulthood. Two independent reviewers screened determined whether eligibility criteria were met. RESULTS There were 210 articles that met the predefined criteria. The greatest number of publications examined associations of clinical risk factors, including childhood adiposity, blood pressure, and cholesterol, with the development of adult CVD. Few studies examined childhood lifestyle factors including diet quality, physical activity, and tobacco exposure. Domains of risk beyond "traditional" cardiovascular risk factors, such as childhood psychosocial adversity, seemed to have strong published associations with the development of CVD. CONCLUSIONS Although the evidence was fairly consistent in direction and magnitude for exposures such as childhood adiposity, hypertension, and hyperlipidemia, significant gaps remain in the understanding of how childhood health and behaviors translate to the risk of adulthood CVD, particularly in lesser studied exposures like glycemic indicators, physical activity, diet quality, very early life course exposure, and population subgroups.
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Affiliation(s)
- Lindsay R Pool
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL.
| | - Liliana Aguayo
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL; Stanley Manne Children's Research Institute, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL
| | - Michal Brzezinski
- Department of Public Health and Social Medicine, Medical University of Gdansk, Gdansk, Poland
| | - Amanda M Perak
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL; Division of Cardiology, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Institute for Innovations in Developmental Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Matthew M Davis
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL; Stanley Manne Children's Research Institute, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Institute for Innovations in Developmental Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL; Division of Academic General Pediatrics, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Philip Greenland
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Lifang Hou
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL; Institute for Innovations in Developmental Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Bradley S Marino
- Stanley Manne Children's Research Institute, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Division of Cardiology, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Institute for Innovations in Developmental Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL; Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Linda Van Horn
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Lauren Wakschlag
- Division of Academic General Pediatrics, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Darwin Labarthe
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL; Division of Academic General Pediatrics, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL
| | - Donald Lloyd-Jones
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL; Division of Academic General Pediatrics, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL
| | - Norrina B Allen
- Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL; Division of Academic General Pediatrics, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL
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11
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Bouhanick B, Sosner P, Brochard K, Mounier-Véhier C, Plu-Bureau G, Hascoet S, Ranchin B, Pietrement C, Martinerie L, Boivin JM, Fauvel JP, Bacchetta J. Hypertension in Children and Adolescents: A Position Statement From a Panel of Multidisciplinary Experts Coordinated by the French Society of Hypertension. Front Pediatr 2021; 9:680803. [PMID: 34307254 PMCID: PMC8292722 DOI: 10.3389/fped.2021.680803] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 06/09/2021] [Indexed: 11/23/2022] Open
Abstract
Hypertension is much less common in children than in adults. The group of experts decided to perform a review of the literature to draw up a position statement that could be used in everyday practice. The group rated recommendations using the GRADE approach. All children over the age of 3 years should have their blood pressure measured annually. Due to the lack of data on cardiovascular morbidity and mortality associated with blood pressure values, the definition of hypertension in children is a statistical value based on the normal distribution of blood pressure in the paediatric population, and children and adolescents are considered as having hypertension when their blood pressure is greater than or equal to the 95th percentile. Nevertheless, it is recommended to use normative blood pressure tables developed according to age, height and gender, to define hypertension. Measuring blood pressure in children can be technically challenging and several measurement methods are listed here. Regardless of the age of the child, it is recommended to carefully check for a secondary cause of hypertension as in 2/3 of cases it has a renal or cardiac origin. The care pathway and principles of the therapeutic strategy are described here.
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Affiliation(s)
- Béatrice Bouhanick
- Service d'Hypertension Artérielle et Thérapeutique, CHU Rangueil, CERPOP, Université de Toulouse, Inserm, UPS, Toulouse, France
| | - Philippe Sosner
- Centre Médico-Sportif MON STADE, Paris, France.,Hôpital Hôtel-Dieu, APHP, Centre de Diagnostic et de Thérapeutique, Paris, France.,Laboratoire MOVE (EA 6314), Université de Poitiers, Faculté des Sciences du Sport, Poitiers, France
| | - Karine Brochard
- Service de Néphrologie Médecine Interne Pédiatrique, Hôpital des Enfants, CHU Toulouse, Toulouse, France
| | - Claire Mounier-Véhier
- Institut Cœur-Poumon, Médecine Vasculaire et HTA, CHU, Université Lille, EA 2694 - Santé Publique: Epidémiologie et Qualité des Soins Lille, Lille, France
| | - Geneviève Plu-Bureau
- Unité de Gynécologie Médicale, AP-HP, Hôpital Port-Royal, Université de Paris, Paris, France
| | - Sébastien Hascoet
- Pôle des Cardiopathies Congénitales du Nouveau-Né à L'adulte - Centre Constitutif Cardiopathies Congénitales Complexes M3C, Groupe Hospitalier Paris Saint-Joseph, Hôpital Marie-Lannelongue, Inserm U999, Université Paris-Saclay, Le Plessis-Robinson, France
| | - Bruno Ranchin
- Centre de Référence des Maladies Rénales Rares, Service de Néphrologie Rhumatologie et Dermatologie Pédiatriques, Filières Maladies Rares ORKID et ERK-Net, Hospices Civils de Lyon, Hôpital Femme Mère Enfant, Bron, France.,Faculté de Médecine Lyon Est, Université Lyon 1, Lyon, France
| | | | - Laetitia Martinerie
- Centre de Reference des Maladies Rares de la Croissance et du Développement, Université de Paris, Endocrinologie et Diabétologie Pédiatrique, AP-HP, Hôpital Robert-Debré, Paris, France
| | - Jean Marc Boivin
- Département de Médecine Générale, Université de Lorraine, Inserm CIC-P Pierre Drouin Vandœuvre-Lès-Nancy, Vandœuvre-lès-Nancy, France
| | - Jean Pierre Fauvel
- Service de Néphrologie Hospices Civils, Hôpital Edouard Herriot, Lyon, France.,UMR CNRS 5558, Université Claude Bernard Lyon 1, Villeurbanne, France
| | - Justine Bacchetta
- Centre de Référence des Maladies Rénales Rares, Service de Néphrologie Rhumatologie et Dermatologie Pédiatriques, Filières Maladies Rares ORKID et ERK-Net, Hospices Civils de Lyon, Hôpital Femme Mère Enfant, Bron, France.,Faculté de Médecine Lyon Est, Université Lyon 1, Lyon, France
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12
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Abstract
PURPOSE OF REVIEW To review the haemodynamic characteristics of paediatric hypertension. RECENT FINDINGS Pulsatile components of blood pressure are determined by left ventricular dynamics, aortic stiffness, systemic vascular resistance and wave propagation phenomena. Recent studies delineating these factors have identified haemodynamic mechanisms contributing to primary hypertension in children. Studies to date suggest a role of cardiac over activity, characterized by increased heart rate and left ventricular ejection, and increased aortic stiffness as the main haemodynamic determinants of primary hypertension in children.
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Affiliation(s)
- Ye Li
- King's College London British Heart Foundation Centre, London, UK
- Department of Clinical Pharmacology, St Thomas' Hospital, Lambeth Palace Road, London, SE1 7EH, UK
| | - Emily Haseler
- Department of Pediatric Nephrology, Evelina London Children's Hospital, London, UK
| | - Phil Chowienczyk
- King's College London British Heart Foundation Centre, London, UK.
- Department of Clinical Pharmacology, St Thomas' Hospital, Lambeth Palace Road, London, SE1 7EH, UK.
| | - Manish D Sinha
- King's College London British Heart Foundation Centre, London, UK
- Department of Pediatric Nephrology, Evelina London Children's Hospital, London, UK
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13
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Hsu CY, Lin RH, Lin YC, Chen JY, Li WC, Lee LA, Liu KH, Chuang HH. Are Body Composition Parameters Better than Conventional Anthropometric Measures in Predicting Pediatric Hypertension? INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E5771. [PMID: 32785000 PMCID: PMC7460262 DOI: 10.3390/ijerph17165771] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 08/07/2020] [Accepted: 08/08/2020] [Indexed: 12/03/2022]
Abstract
Body composition (BC) parameters are associated with cardiometabolic diseases in children; however, the importance of BC parameters for predicting pediatric hypertension is inconclusive. This cross-sectional study aimed to compare the difference in predictive values of BC parameters and conventional anthropometric measures for pediatric hypertension in school-aged children. A total of 340 children (177 girls and 163 boys) with a mean age of 8.8 ± 1.7 years and mean body mass index (BMI) z-score of 0.50 ± 1.24 were enrolled (102 hypertensive children and 238 normotensive children). Significantly higher values of anthropometric measures (BMI, BMI z-score, BMI percentile, waist-to-height ratio) and BC parameters (body-fat percentage, muscle weight, fat mass, fat-free mass) were observed among the hypertensive subgroup compared to their normotensive counterparts. A prediction model combining fat mass ≥ 3.65 kg and fat-free mass ≥ 34.65 kg (area under the receiver operating characteristic curve = 0.688; sensitivity = 66.7%; specificity = 89.9%) performed better than BMI alone (area under the receiver operating characteristic curve = 0.649; sensitivity = 55.9%; specificity = 73.9%) in predicting hypertension. In conclusion, BC parameters are better than anthropometric measures in predicting pediatric hypertension. BC measuring is a reasonable approach for risk stratification in pediatric hypertension.
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Affiliation(s)
- Chih-Yu Hsu
- Department of Family Medicine, Chang Gung Memorial Hospital, Linkou and Taipei Branches, Taoyuan 33305, Taiwan; (C.-Y.H.); (J.-Y.C.); (W.-C.L.)
| | - Rong-Ho Lin
- Department of Industrial Engineering and Management, National Taipei University of Technology, Taipei 10608, Taiwan;
| | - Yu-Ching Lin
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (Y.-C.L.); (L.-A.L.)
- Department of Imaging and Intervention, Chang Gang Memorial Hospital, Keelung Branch, Keelung 20401, Taiwan
| | - Jau-Yuan Chen
- Department of Family Medicine, Chang Gung Memorial Hospital, Linkou and Taipei Branches, Taoyuan 33305, Taiwan; (C.-Y.H.); (J.-Y.C.); (W.-C.L.)
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (Y.-C.L.); (L.-A.L.)
| | - Wen-Cheng Li
- Department of Family Medicine, Chang Gung Memorial Hospital, Linkou and Taipei Branches, Taoyuan 33305, Taiwan; (C.-Y.H.); (J.-Y.C.); (W.-C.L.)
| | - Li-Ang Lee
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (Y.-C.L.); (L.-A.L.)
- Department of Otorhinolaryngology—Head and Neck Surgery, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan 33305, Taiwan
- Sleep Center, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan 33305, Taiwan
| | - Keng-Hao Liu
- Department of General Surgery, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan 33305, Taiwan;
| | - Hai-Hua Chuang
- Department of Family Medicine, Chang Gung Memorial Hospital, Linkou and Taipei Branches, Taoyuan 33305, Taiwan; (C.-Y.H.); (J.-Y.C.); (W.-C.L.)
- Department of Industrial Engineering and Management, National Taipei University of Technology, Taipei 10608, Taiwan;
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (Y.-C.L.); (L.-A.L.)
- Obesity Institute & Genomic Medicine Institute, Geisinger, Danville, PA 17837, USA
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14
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Langhoff AF, Børresen ML, Wason MP, Andersson M, Jeppesen DL, Schmidt IM, Cortes D. National data with high validity and completeness showed that only 0.04% of Danish children had been registered with diagnosed hypertension. Acta Paediatr 2020; 109:1458-1464. [PMID: 31785102 DOI: 10.1111/apa.15116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 10/22/2019] [Accepted: 11/28/2019] [Indexed: 11/29/2022]
Abstract
AIM Hypertension has been reported in up to 4.0% of American children, but no national data exist in Europe. We studied the frequency of registered hypertension in Danish children and evaluated the data. METHODS This 2014-2015 study focused on patients under the age of 16 registered with hypertension in the Danish National Patient Register and 10 paediatric departments in central and eastern Denmark. The diagnoses were coded according to the International Classification of Diseases, 10th revision. All the subjects' medical records were reviewed, including any confirmed diagnoses. RESULTS There were 55 784 children under 16 in the study regions at 30 April 2014. By May 2015, 222 of those had been registered with hypertension: 200 in the Danish National Patient Register and 191 in the 10 paediatric departments. Their medical records confirmed hypertension in 187 and 185 cases, respectively. The prevalence of registered and confirmed hypertension was 222/553 784 (0.04%). The positive predictive values of hypertension were 187/200 (94%) and 185/191 (97%), and the completeness of diagnosed hypertension was 187/222 (84%) and 185/222 (83%). CONCLUSION The registers had high-quality positive predictive values and completeness, but only 0.04% of the Danish children were registered with a verified diagnosis of hypertension.
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Affiliation(s)
- Adam F. Langhoff
- Department of Paediatrics and Adolescent Medicine Copenhagen University Hospital Hvidovre Copenhagen Denmark
| | - Malene Landbo Børresen
- Department of Paediatrics and Adolescent Medicine The Juliane Marie Centre Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
| | - Malgorzata P. Wason
- Department of Paediatrics and Adolescent Medicine Copenhagen University Hospital North Zealand Hillerød Denmark
| | - Mikael Andersson
- Department of Epidemiology Research Statens Serum Institut Copenhagen Denmark
| | - Dorthe L. Jeppesen
- Department of Paediatrics and Adolescent Medicine Copenhagen University Hospital Hvidovre Copenhagen Denmark
- Faculty of Medical and Health Sciences University of Copenhagen Copenhagen Denmark
| | - Ida M. Schmidt
- Department of Paediatrics and Adolescent Medicine The Juliane Marie Centre Copenhagen University Hospital Rigshospitalet Copenhagen Denmark
| | - Dina Cortes
- Department of Paediatrics and Adolescent Medicine Copenhagen University Hospital Hvidovre Copenhagen Denmark
- Faculty of Medical and Health Sciences University of Copenhagen Copenhagen Denmark
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15
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Home and ambulatory blood pressure monitoring in children, adolescents and young adults: comparison, diagnostic agreement and association with preclinical organ damage. J Hypertens 2020; 38:1047-1055. [DOI: 10.1097/hjh.0000000000002396] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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16
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Dong Y, Jan C, Zou Z, Dong B, Hu P, Ma Y, Yang Z, Wang X, Li Y, Gao D, Wen B, Song Y, Ma J. Comprehensive physical fitness and high blood pressure in children and adolescents: A national cross-sectional survey in China. J Sci Med Sport 2020; 23:800-806. [PMID: 32197926 DOI: 10.1016/j.jsams.2020.02.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 01/30/2020] [Accepted: 02/29/2020] [Indexed: 12/20/2022]
Abstract
OBJECTIVES To assess the association between comprehensive physical fitness and high blood pressure (HBP) among Chinese children and adolescents. DESIGN National cross-sectional surveys. METHODS 214,301 school students' data aged 7-18years was extracted in 2014. Six components of physical fitness (forced vital capacity, standing long jump, sit-and-reach, body muscle strength, 50m dash and endurance running) were measured, standardized and aggregated as a summary physical fitness indicator (PFI). HBP, systolic HBP (SHBP) and diastolic HBP (DHBP) were defined according to sex-, age- and height-specific references in China. RESULTS The prevalence of HBP, SHBP and DHBP was 8.6%, 4.7% and 5.7%, respectively, and PFI was -0.9 in Chinese children and adolescents. A significant negative association between the PFI and HBP was observed with adjusted prevalence of HBP (10.8% (95% CI: 10.4-11.2) to 7.6% (95% CI: 7.3-8.0), Ptrend<0.001), SHBP (5.7% (95% CI: 5.4-6.1) to 4.4% (95% CI: 4.1-4.6), Ptrend<0.001), and DHBP (7.6% (95% CI: 7.2-7.9) to 4.6% (95% CI: 4.3-4.9), Ptrend<0.001) and their ORs (HBP: 0.87(95% CI: 0.82-0.93) to 0.68(95% CI: 0.64-0.73), Ptrend<0.001; SHBP: 0.86(95% CI: 0.79-0.94) to 0.75(95% CI:0.69-0.82), Ptrend<0.001; DHBP: 0.85(95% CI: 0.79-0.92) to 0.59(95% CI: 0.54-0.64), Ptrend<0.001) declined with the increase in PFI. Stratified nutritional status exhibited a similar negative association between PFI and HBP, SHBP and DHBP in children with normal weight, overnutrition, and undernutrition. Stand long jump, body muscle strength, 50m dash, and endurance running, had a negative association with HBP, SHBP and DHBP, but forced vital capacity had a positive such association. Sit-and-reach and HBP are not significantly associated. CONCLUSIONS Physical fitness was negatively correlated to the increased HBP in children and adolescents. Comprehensive policies and measures to enhance children and adolescents' physical fitness are urgently needed through the promotion of physical activity, healthy dietary patterns, and strategies of educational guidelines to reduce schoolwork, which will in turn reduce the cardiovascular burdens in the future.
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Affiliation(s)
- Yanhui Dong
- Institute of Child and Adolescent Health, School of Public Health, Peking University, China
| | - Catherine Jan
- The George Institute for Global Health, School of Medicine, University of New South Wales, Australia
| | - Zhiyong Zou
- Institute of Child and Adolescent Health, School of Public Health, Peking University, China
| | - Bin Dong
- Institute of Child and Adolescent Health, School of Public Health, Peking University, China
| | - Peijin Hu
- Institute of Child and Adolescent Health, School of Public Health, Peking University, China
| | - Yinghua Ma
- Institute of Child and Adolescent Health, School of Public Health, Peking University, China
| | - Zhaogeng Yang
- Institute of Child and Adolescent Health, School of Public Health, Peking University, China
| | - Xijie Wang
- Institute of Child and Adolescent Health, School of Public Health, Peking University, China
| | - Yanhui Li
- Institute of Child and Adolescent Health, School of Public Health, Peking University, China
| | - Di Gao
- Institute of Child and Adolescent Health, School of Public Health, Peking University, China
| | - Bo Wen
- Institute of Child and Adolescent Health, School of Public Health, Peking University, China
| | - Yi Song
- Institute of Child and Adolescent Health, School of Public Health, Peking University, China.
| | - Jun Ma
- Institute of Child and Adolescent Health, School of Public Health, Peking University, China.
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17
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Raphadu TT, Staden MV, Dibakwane WM, Monyeki KD. A Non-Invasive Investigation into the Prevalence of Higher than Normal Blood Pressure, Hypertension and the Association between Blood Pressure and Body Weight in Male and Female Adolescents in the Polokwane Local Municipality, Limpopo-South Africa: A Cross-Sectional Study. CHILDREN (BASEL, SWITZERLAND) 2020; 7:E18. [PMID: 32143272 PMCID: PMC7140854 DOI: 10.3390/children7030018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/18/2020] [Accepted: 02/19/2020] [Indexed: 11/16/2022]
Abstract
BACKGROUND Hypertension (HT) is one of the greatest non-communicable diseases affecting both sexes in all human populations; and it is a major cause of death and morbidity across the world. The purpose of this study was to investigate the prevalence of pre-hypertension, hypertension and investigate the association between blood pressure (BP) and body weight (looking into body mass index (BMI) and body surface area (BSA)). METHOD A cross-sectional study of adolescents aged 13-19 years was conducted at three secondary schools consisting of 121 females and 97 males. Data on height; weight; and blood pressure was collected from all participants. BMI and BP percentiles were calculated for each participant. RESULTS The prevalence of pre-hypertension and hypertension in males was 28.9% and 10.3% compared to 25.6% and 7.4% in females. The prevalence of pre-hypertension and hypertension in adolescents who are overweight/obese was 7.3% and 2.7%. A weak positive association between BMI; systolic blood pressure (SBP) and diastolic blood pressure (DBP) was found (r = 0.254 and 0.216; p-value = 0.001) for the whole population. A significant, moderate correlation was found between BSA on SBP was found (r = 0.407, p-value = 0.001); and a significant, weak correlation between BSA and DBP was found (r = 0.183, p-value = 0.007. In conclusion, the prevalence of pre-hypertension and hypertension was higher in males as compared to females. Results highlight the need for screening for blood pressure and body weight in adolescents; especially in adolescents who were found to have pre-hypertension as they are at high risk of developing hypertension.
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18
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Gomwe H, Seekoe E, Lyoka P, Marange CS. The relationship between body composition and blood pressure among primary school children in Eastern Cape province, South Africa. Afr J Prim Health Care Fam Med 2019; 11:e1-e6. [PMID: 31588772 PMCID: PMC6779970 DOI: 10.4102/phcfm.v11i1.2000] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 04/21/2019] [Accepted: 05/23/2019] [Indexed: 11/07/2022] Open
Abstract
Background In South Africa, especially in the Eastern Cape province, despite reported high prevalence of underweight and obesity, little is known regarding the relationship of body composition (BC) with blood pressure (BP) in primary school children. Understanding the relationship between BC and BP in these children is important because it is associated with adverse effects on health and social repercussion in both adolescence and adulthood. Aim The aim of this study was to examine the relationship between BC and BP among South African primary school children. Setting This study was conducted on a cohort of primary school learners in the Eastern Cape Province of South Africa. Methods A school-based cross-sectional survey was conducted among 876 school children aged 9–14 years, using multistage sampling techniques. Body mass and stature were measured using a calibrated scale. Anthropometric measurements including weight, height, waist circumference, triceps, gluteal and subscapular were also collected. Body mass index, percentage body fat and waist-to-hip ratio were calculated. Results Of the 876 participants, 356 (40.6%) were boys and 520 (59.0%) were girls. The Spearman’s rho correlation coefficients revealed positive significant correlations between systolic BP with age (r = 0.171; p < 0.0001), stature (r = 0.205; p < 0.0001), weight (r = 0.277; p < 0.0001), body mass index (r = 0.243; p < 0.0001), waist circumference (r = 0.259; p < 0.0001), gluteal (r = 0.214; p < 0.0001), triceps (r = 0.203; p < 0.0001), subscapular (r = 0.167; p < 0.0001), body fat percentage (r = 0.206; p < 0.0001), fat mass (r = 0.257; p < 0.0001) and fat-free mass (r = 0.238; p < 0.0001). There was no statistically significant correlation between waist-to-hip ratio and systolic BP (r = 0.064; p = 0.059). In terms of diastolic BP, there existed no significant correlations with age (r = 0.026; p = 0.443) and waist-to-hip ratio (r = 0.002; p = 0.947). Collectively, the prevalence of hypertension was 76.4% in the normal group compared with those who were pre-hypertensive (18.4%) and hypertensive (5.3%). Girls showed a higher prevalence of pre-hypertension than boys (19.6% compared with 16.6%, respectively). Conclusion There is a relationship between most of the BC variables and BP in children. The screening of BP as part of physical examinations of school children is necessary for early prevention and intervention programmes for hypertension.
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Affiliation(s)
- Howard Gomwe
- Faculty of Health Sciences, University of Fort Hare, East London.
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19
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Zhang X, Yang J, Wang Y, Liu W, Yang W, Gao L, Schwertz R, Welker A, Zhang F, Zhou Y. Epidemiological characteristics of elevated blood pressure among middle and high school students aged 12-17 years: a cross-sectional study in Jiangsu Province, China, 2017-2018. BMJ Open 2019; 9:e027215. [PMID: 31446405 PMCID: PMC6720134 DOI: 10.1136/bmjopen-2018-027215] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 06/13/2019] [Accepted: 07/11/2019] [Indexed: 12/18/2022] Open
Abstract
OBJECTIVE In this study, we aimed to present the epidemiological characteristics of elevated blood pressure among middle and high school students aged 12-17 years in Jiangsu Province. SETTING Hypertension, which is considered a rare disease in children, is an important early precursor to long-term cardiovascular damage, and elevated blood pressure in childhood is a strong predictor of hypertension in adulthood. PARTICIPANTS Physical examination and questionnaire investigation among children aged 12-17 years in Jiangsu Province were conducted from 2017 to 2018. MAIN OUTCOME MEASURES Physical measurements included height, weight, blood pressure and history of menarche/first spermatorrhoea. Questionnaire investigation included family type, delivery mode, lifestyle habits and psychological test. RESULTS In our study we investigated 17 791 middle and high school students, consisting of 8701 female students and 9090 male students. The prevalence of screening elevated blood pressure among students aged 12-17 years was 20.0% (95% CI 19.2% to 20.9%) for female students and 22.3% (95% CI 21.5% to 23.2%) for male students. The prevalence of screening elevated blood pressure for urban male middle and high school students was higher than that of elevated blood pressure for rural male middle and high school students. However, similar phenomenon cannot be observed among female students. For both male and female students, body mass index (BMI), obesity/overweight and menarche/first spermatorrhoea can be a risk factor contributing to elevated blood pressure, and sleep time and regional distribution might be important factors that need to be investigated in depth. CONCLUSION We found a relatively high prevalence of screening elevated blood pressure among students aged 12-17 years for both female and male students in Jiangsu Province. The risk factors can be BMI, obesity/overweight and menarche/first spermatorrhoea.
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Affiliation(s)
- Xiyan Zhang
- Jiangsu Province Center for Disease Control and Prevention, Nanjing, China
| | - Jie Yang
- Jiangsu Province Center for Disease Control and Prevention, Nanjing, China
| | - Yan Wang
- Jiangsu Province Center for Disease Control and Prevention, Nanjing, China
| | - Weina Liu
- Jiangsu Province Center for Disease Control and Prevention, Nanjing, China
| | - Wenyi Yang
- Jiangsu Province Center for Disease Control and Prevention, Nanjing, China
| | - Liuwei Gao
- Jiangsu Province Center for Disease Control and Prevention, Nanjing, China
- School of Public Health, Southeast University, Nanjing, China
| | - Rainer Schwertz
- Local Health Authority Rhein-Neckar-Kreis, Heidelberg, Germany
| | - Andreas Welker
- Local Health Authority Rhein-Neckar-Kreis, Heidelberg, Germany
| | - Fengyun Zhang
- Jiangsu Province Center for Disease Control and Prevention, Nanjing, China
| | - Yonglin Zhou
- Jiangsu Province Center for Disease Control and Prevention, Nanjing, China
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20
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Blowey DL, Flynn JT, Warady BA. Are There Consequences of Adolescent Blood Pressure on Kidney Function in Adulthood? Am J Kidney Dis 2019; 74:567-569. [PMID: 31257050 DOI: 10.1053/j.ajkd.2019.05.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 05/13/2019] [Indexed: 11/11/2022]
Affiliation(s)
| | - Joseph T Flynn
- Division of Nephrology, Seattle Children's Hospital, Seattle, WA
| | - Bradley A Warady
- Division of Nephrology, Children's Mercy Hospital, Kansas City, MO.
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21
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Chen XT, Yang S, Yang YM, Zhao HL, Chen YC, Zhao XH, Wen JB, Tian YR, Yan WL, Shen C. Exploring the relationship of peripheral total bilirubin, red blood cell, and hemoglobin with blood pressure during childhood and adolescence. J Pediatr (Rio J) 2018; 94:532-538. [PMID: 29107800 DOI: 10.1016/j.jped.2017.07.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 06/16/2017] [Accepted: 07/05/2017] [Indexed: 10/18/2022] Open
Abstract
OBJECTIVE Total bilirubin is beneficial for protecting cardiovascular diseases in adults. The authors aimed to investigate the association of total bilirubin, red blood cell, and hemoglobin levels with the prevalence of high blood pressure in children and adolescents. METHODS A total of 3776 students (aged from 6 to 16 years old) were examined using cluster sampling. Pre-high blood pressure and high blood pressure were respectively defined as the point of 90th and 95th percentiles based on the Fourth Report on the Diagnosis, Evaluation, and Treatment of High Blood Pressure in Children and Adolescents. Both systolic and diastolic blood pressure were standardized into z-scores. RESULTS Peripheral total bilirubin, red blood cell and hemoglobin levels were significantly correlated with age, and also varied with gender. Peripheral total bilirubin was negatively correlated with systolic blood pressure in 6- and 9-year-old boys, whilst positively correlated with diastolic blood pressure in the 12-year-old boys and 13- to 15-year-old girls (p<0.05). Higher levels of red blood cell and hemoglobin were observed in pre-high blood pressure and high blood pressure students when compared with their normotensive peers (p<0.01). The increases in red blood cell and hemoglobin were significantly associated with high blood pressure after adjusting for confounding factors. The ORs (95% CI) of each of the increases were 2.44 (1.52-3.92) and 1.04 (1.03-1.06), respectively. No statistical association between total bilirubin and high blood pressure was observed (p>0.05). CONCLUSION Total bilirubin could be weakly correlated with both systolic and diastolic blood pressure, as correlations varied with age and gender in children and adolescents; in turn, the increased levels of red blood cell and hemoglobin are proposed to be positively associated with the prevalence of high blood pressure.
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Affiliation(s)
- Xiao-Tian Chen
- Nanjing Medical University, School of Public Health, Department of Epidemiology, Nanjing, China
| | - Song Yang
- People's Hospital of Yixing City, Affiliated Yixing People's Hospital of Jiangsu University, Department of Cardiology, Yixing, China
| | - Ya-Ming Yang
- Center for Disease Control and Prevention of Yixing City, Yixing, China
| | - Hai-Long Zhao
- People's Hospital of Yixing City, Affiliated Yixing People's Hospital of Jiangsu University, Department of Cardiology, Yixing, China
| | - Yan-Chun Chen
- People's Hospital of Yixing City, Affiliated Yixing People's Hospital of Jiangsu University, Department of Cardiology, Yixing, China
| | - Xiang-Hai Zhao
- People's Hospital of Yixing City, Affiliated Yixing People's Hospital of Jiangsu University, Department of Cardiology, Yixing, China
| | - Jin-Bo Wen
- Nanjing Medical University, School of Public Health, Department of Epidemiology, Nanjing, China
| | - Yuan-Rui Tian
- Nanjing Medical University, School of Public Health, Department of Epidemiology, Nanjing, China
| | - Wei-Li Yan
- Children's Hospital of Fudan University, Department of Clinical Epidemiology, Shanghai, China
| | - Chong Shen
- Nanjing Medical University, School of Public Health, Department of Epidemiology, Nanjing, China.
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Chen X, Yang S, Yang Y, Zhao H, Chen Y, Zhao X, Wen J, Tian Y, Yan W, Shen C. Exploring the relationship of peripheral total bilirubin, red blood cell, and hemoglobin with blood pressure during childhood and adolescence. JORNAL DE PEDIATRIA (VERSÃO EM PORTUGUÊS) 2018. [DOI: 10.1016/j.jpedp.2017.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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23
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Dong Y, Ma J, Song Y, Ma Y, Dong B, Zou Z, Prochaska JJ. Secular Trends in Blood Pressure and Overweight and Obesity in Chinese Boys and Girls Aged 7 to 17 Years From 1995 to 2014. Hypertension 2018; 72:298-305. [PMID: 29866739 DOI: 10.1161/hypertensionaha.118.11291] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 04/21/2018] [Accepted: 05/14/2018] [Indexed: 12/14/2022]
Abstract
The current study aimed to assess the secular trends in overweight and obesity status and high blood pressure (HBP) in Chinese children and adolescents for 2 decades. Data on 943 128 participants aged 7 to 17 years were obtained from the Chinese National Survey on Students' Constitution and Health from 1995 to 2014. The population attributable risk of overweight status for HBP was calculated. The prevalence of overweight increased from 4.3% in 1995 to 18.4% in 2014, whereas HBP prevalence fluctuated in the range of 4.4% to 6.4% during the same time period, the lowest in 2005. Within each survey year, blood pressure levels and HBP prevalence increased with higher body mass index. Notably, the population attributable risk of HBP because of being overweight steadily increased from 6.3% in 1995 to 19.2% in 2014. The same trends of linear growth for obesity, fluctuating blood pressure, and its sustained increasing population attributable risk for overweight also occurred among the domestic 29 provinces. Despite dramatic increases in overweight prevalence among Chinese children from 1995 to 2014, the HBP prevalence remained relatively stable, suggesting that other independent factors are affecting HBP trends to a greater extent. Yet, over time, the magnitude of the impact of being overweight or obese on HBP increased sharply, predicting looming heavy burden of HBP. Reductions in overweight status may aid in preventing HBP so as to prevent coronary risk in adulthood.
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Affiliation(s)
- Yanhui Dong
- From the Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China (Y.D., J.M., Y.S., Y.M., B.D., Z.Z.)
| | - Jun Ma
- From the Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China (Y.D., J.M., Y.S., Y.M., B.D., Z.Z.)
| | - Yi Song
- From the Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China (Y.D., J.M., Y.S., Y.M., B.D., Z.Z.).,Department of Medicine, Stanford Prevention Research Center, Stanford University, CA (Y.S., J.J.P.)
| | - Yinghua Ma
- From the Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China (Y.D., J.M., Y.S., Y.M., B.D., Z.Z.)
| | - Bin Dong
- From the Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China (Y.D., J.M., Y.S., Y.M., B.D., Z.Z.)
| | - Zhiyong Zou
- From the Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China (Y.D., J.M., Y.S., Y.M., B.D., Z.Z.)
| | - Judith J Prochaska
- Department of Medicine, Stanford Prevention Research Center, Stanford University, CA (Y.S., J.J.P.)
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Kharbanda EO, Asche SE, Sinaiko A, Nordin JD, Ekstrom HL, Fontaine P, Dehmer SP, Sherwood NE, O’Connor PJ. Evaluation of an Electronic Clinical Decision Support Tool for Incident Elevated BP in Adolescents. Acad Pediatr 2018; 18:43-50. [PMID: 28723587 PMCID: PMC5756693 DOI: 10.1016/j.acap.2017.07.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 07/07/2017] [Accepted: 07/11/2017] [Indexed: 12/31/2022]
Abstract
OBJECTIVE To evaluate, among adolescents 10 to 17 years of age with an incident hypertensive blood pressure (BP; ≥95th percentile) at a primary care visit, whether TeenBP, a novel electronic health record-linked clinical decision support tool (CDS), improved recognition of elevated BP, and return for follow-up BP evaluation. METHODS We conducted a pragmatic cluster randomized trial in 20 primary care clinics in a large Midwestern medical group. Ten clinics received the TeenBP CDS, including an alert to remeasure a hypertensive BP at that visit, an alert that a hypertensive BP should be repeated in 1 to 3 weeks, and patient-specific order sets. In the 10 usual care (UC) clinics, elevated BPs were displayed in red font in the electronic health record. For comparisons between CDS and UC we used generalized linear mixed models. RESULTS The study population included 607 CDS patients and 607 UC patients with an incident hypertensive BP. In adjusted analyses, at the index visit, CDS patients were more likely to have their hypertensive BP on the basis of ≥2 BP measurements (47.1% vs 27.6%; P = .007) and to have elevated BP (International Classification of Diseases, Ninth Revision code 796.2) diagnosed (28.2% vs 4.2%; P < .001). In a multivariate model adjusted for age, sex, systolic BP percentile, and visit type, rates for repeat BP measurement within 30 days were 14.3% at TeenBP CDS clinics versus 10.6% at UC clinics (P = .07). CONCLUSIONS The TeenBP CDS intervention significantly increased repeat BP measurement at the index visit and recognition of a hypertensive BP. Rates for follow-up BP measurement at 30 days were low and did not differ between TeenBP and UC subjects.
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Affiliation(s)
| | | | - Alan Sinaiko
- Department of Pediatrics, University of Minnesota, Minneapolis, MN
| | | | | | | | | | - Nancy E. Sherwood
- HealthPartners Institute, Minneapolis, MN,Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, MN
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Abstract
Chronic kidney disease affects more than 10% of the population. Programming studies have examined the interrelationship between environmental factors in early life and differences in morbidity and mortality between individuals. A number of important principles has been identified, namely permanent structural modifications of organs and cells, long-lasting adjustments of endocrine regulatory circuits, as well as altered gene transcription. Risk factors include intrauterine deficiencies by disturbed placental function or maternal malnutrition, prematurity, intrauterine and postnatal stress, intrauterine and postnatal overnutrition, as well as dietary dysbalances in postnatal life. This mini-review discusses critical developmental periods and long-term sequelae of renal programming in humans and presents studies examining the underlying mechanisms as well as interventional approaches to "re-program" renal susceptibility toward disease. Clinical manifestations of programmed kidney disease include arterial hypertension, proteinuria, aggravation of inflammatory glomerular disease, and loss of kidney function. Nephron number, regulation of the renin-angiotensin-aldosterone system, renal sodium transport, vasomotor and endothelial function, myogenic response, and tubuloglomerular feedback have been identified as being vulnerable to environmental factors. Oxidative stress levels, metabolic pathways, including insulin, leptin, steroids, and arachidonic acid, DNA methylation, and histone configuration may be significantly altered by adverse environmental conditions. Studies on re-programming interventions focused on dietary or anti-oxidative approaches so far. Further studies that broaden our understanding of renal programming mechanisms are needed to ultimately develop preventive strategies. Targeted re-programming interventions in animal models focusing on known mechanisms will contribute to new concepts which finally will have to be translated to human application. Early nutritional concepts with specific modifications in macro- or micronutrients are among the most promising approaches to improve future renal health.
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Affiliation(s)
- Eva Nüsken
- Pediatric Nephrology, Department of Pediatrics, Medical Faculty, University of Cologne, Cologne, Germany
| | - Jörg Dötsch
- Pediatric Nephrology, Department of Pediatrics, Medical Faculty, University of Cologne, Cologne, Germany
| | - Lutz T Weber
- Pediatric Nephrology, Department of Pediatrics, Medical Faculty, University of Cologne, Cologne, Germany
| | - Kai-Dietrich Nüsken
- Pediatric Nephrology, Department of Pediatrics, Medical Faculty, University of Cologne, Cologne, Germany
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Dong Y, Ma J, Song Y, Dong B, Wang Z, Yang Z, Wang X, Prochaska JJ. National Blood Pressure Reference for Chinese Han Children and Adolescents Aged 7 to 17 Years. Hypertension 2017; 70:897-906. [PMID: 28923902 DOI: 10.1161/hypertensionaha.117.09983] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 07/17/2017] [Accepted: 08/23/2017] [Indexed: 11/16/2022]
Abstract
We sought to develop and validate a national blood pressure (BP) reference based on age, sex, and height for Chinese children. Data were obtained on 197 430 children aged 7 to 17 who participated in the Chinese National Survey on Students' Constitution and Health in 2010. BP percentiles were estimated and fitted using the lambda, mu, and sigma method and then compared with a US reference and China existing reference. In an external independent validation sample of 59 653 children aged 7 to 18 from 7 Chinese provinces in 2013, the prevalence of elevated BP was compared applying the 3 references. BP values were similar for boys and girls at the younger ages (7-13 years) and lower height percentiles, whereas higher at the older ages (14-17 years) for boys than girls. At medial height in boys and girls aged 7 to 13, the 50th, 90th, 95th, and 99th percentiles of BP for the new national reference were consistent with US reference and lower than current Chinese reference. In the independent sample, elevated BP prevalence, based on the new national reference, ranged from 7.8% to 18.5% among children aged 7 to 17, which was higher than the US reference values (4.3%-14.5%) and lower than the current Chinese reference (12.9%-25.5%) in each age group. The new national BP reference for Chinese children based on age, sex, and height from large-scale and nationally representative data seems to improve the ability for identifying Chinese hypertensive children and for stratifying them with regard to cardiovascular risk.
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Affiliation(s)
- Yanhui Dong
- From the Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China (Y.D., J.M., Y.S., B.D., Z.W., Z.Y., X.W.); and Stanford Prevention Research Center, Department of Medicine, Stanford University, CA (Y.S., J.J.P.)
| | - Jun Ma
- From the Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China (Y.D., J.M., Y.S., B.D., Z.W., Z.Y., X.W.); and Stanford Prevention Research Center, Department of Medicine, Stanford University, CA (Y.S., J.J.P.).
| | - Yi Song
- From the Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China (Y.D., J.M., Y.S., B.D., Z.W., Z.Y., X.W.); and Stanford Prevention Research Center, Department of Medicine, Stanford University, CA (Y.S., J.J.P.).
| | - Bin Dong
- From the Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China (Y.D., J.M., Y.S., B.D., Z.W., Z.Y., X.W.); and Stanford Prevention Research Center, Department of Medicine, Stanford University, CA (Y.S., J.J.P.)
| | - Zhenghe Wang
- From the Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China (Y.D., J.M., Y.S., B.D., Z.W., Z.Y., X.W.); and Stanford Prevention Research Center, Department of Medicine, Stanford University, CA (Y.S., J.J.P.)
| | - Zhaogeng Yang
- From the Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China (Y.D., J.M., Y.S., B.D., Z.W., Z.Y., X.W.); and Stanford Prevention Research Center, Department of Medicine, Stanford University, CA (Y.S., J.J.P.)
| | - Xijie Wang
- From the Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China (Y.D., J.M., Y.S., B.D., Z.W., Z.Y., X.W.); and Stanford Prevention Research Center, Department of Medicine, Stanford University, CA (Y.S., J.J.P.)
| | - Judith J Prochaska
- From the Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China (Y.D., J.M., Y.S., B.D., Z.W., Z.Y., X.W.); and Stanford Prevention Research Center, Department of Medicine, Stanford University, CA (Y.S., J.J.P.)
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2016 European Society of Hypertension guidelines for the management of high blood pressure in children and adolescents. J Hypertens 2017; 34:1887-920. [PMID: 27467768 DOI: 10.1097/hjh.0000000000001039] [Citation(s) in RCA: 696] [Impact Index Per Article: 99.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Increasing prevalence of hypertension (HTN) in children and adolescents has become a significant public health issue driving a considerable amount of research. Aspects discussed in this document include advances in the definition of HTN in 16 year or older, clinical significance of isolated systolic HTN in youth, the importance of out of office and central blood pressure measurement, new risk factors for HTN, methods to assess vascular phenotypes, clustering of cardiovascular risk factors and treatment strategies among others. The recommendations of the present document synthesize a considerable amount of scientific data and clinical experience and represent the best clinical wisdom upon which physicians, nurses and families should base their decisions. In addition, as they call attention to the burden of HTN in children and adolescents, and its contribution to the current epidemic of cardiovascular disease, these guidelines should encourage public policy makers to develop a global effort to improve identification and treatment of high blood pressure among children and adolescents.
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Association between high birth weight and hypertension in children and adolescents: a cross-sectional study in China. J Hum Hypertens 2017; 31:737-743. [PMID: 28382956 DOI: 10.1038/jhh.2017.22] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 02/13/2017] [Accepted: 02/17/2017] [Indexed: 12/27/2022]
Abstract
This study aims to examine the relationship between high birth weight (HBW) and blood pressure and assess whether HBW leads to increased hypertension during childhood and adolescence. All the participants aged 6-18 years with HBW were selected from a cross-sectional study from seven provinces in China. Nine thousand nine hundred and sixty-two children were randomly sampled with matched data. Basic information of students was collected with a standardized student and guardian questionnaire. High blood pressure was defined according to sex-, age- and height-specific references. Multi-variance logistic regression was used to estimate the odds ratio (OR) of high blood pressure and HBW after adjustment for confounding factors. The overall mean of systolic BP and diastolic BP in HBW group were significantly higher than normal group in both genders and urban/rural area. Corresponding overall prevalence of high BP, elevated SBP and elevated DBP in HBW group were also higher than normal group in both genders, respectively (boys: 19.41% vs 16.16%; 10.12% vs 8.16%; 14.86% vs 12.71%; girls: 14.95% vs 12.66%; 8.19% vs 6.56%; 11.13% vs 9.86%). In addition, birth weight was positively associated with high BP, elevated SBP and elevated DBP in children and adolescents of both sexes (boys: OR 1.25, 1.27, 1.20; girls: OR 1.21, 1.27, 1.15). However, the positive association was attenuated and even reversed after adjustment for potential confounding variables. In this study, HBW may lead to higher childhood blood pressure, but no association between HBW and childhood hypertension was observed.
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Ghazi L, Dudenbostel T, Xing D, Ejem D, Turner-Henson A, Joiner CI, Affuso O, Azuero A, Oparil S, Calhoun DA, Rice M, Hage FG. Assessment of vascular function in low socioeconomic status preschool children: a pilot study. ACTA ACUST UNITED AC 2017; 11:101-109. [PMID: 28063813 DOI: 10.1016/j.jash.2016.12.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 11/18/2016] [Accepted: 12/12/2016] [Indexed: 12/17/2022]
Abstract
Elevated brachial blood pressure (BP) in childhood tracks into adulthood. Central BP and measures of arterial stiffness, such as aortic augmentation index (AIx) and pulse wave velocity (PWV), have been associated with future cardiovascular disease. This pilot study assessed the feasibility of noninvasively measuring these parameters in preschool children and explored factors that may be associated with elevated BP in this age group. Brachial BP was measured using an electronic oscillometric unit (Dinamap PRO 100) and defined as elevated when systolic BP (SBP) and/or diastolic BP (DBP) was ≥ the 90th percentile for age, gender, and height. Central BP, AIx, and PWV were measured using applanation tonometry (SphygmoCor). C-reactive protein (CRP) was measured in serum samples. Sixteen African-American preschool children were recruited (4.4 ± 0.8 years, 69% males), 6 (38%) of whom had an elevated brachial BP (110 ± 10/69 ± 4 vs. 96 ± 8/55 ± 6 mm Hg, Cohen's d = 2.2). Children with elevated brachial BP had higher central SBP (d = 1.6) and DBP (d = 1.96) (97 ± 6/68 ± 4 vs. 85 ± 8/57 ± 6 mm Hg), AIx (d = 0.88) (31 ± 8 vs. 18 ± 16%, standardized to heart rate), and CRP (3.1 [2.3-6.3] vs. 0.1 [0.1-0.3] mg/dL, d = 2). There was no significant difference in PWV between groups (d = 0.26). CRP and SBP (Spearman r = 0.70), DBP (r = 0.68), central SBP (r = 0.58), and central DBP (r = 0.71) were positively correlated. Wide confidence intervals for the estimated effect sizes indicated a large degree of uncertainty about all estimates due to the small sample size. Noninvasive assessment of central BP and arterial stiffness is feasible in preschool children. Vascular inflammation may be an important factor that influences BP at an early age. Further studies in preschool children are needed to elucidate mechanisms of early onset hypertension.
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Affiliation(s)
- Lama Ghazi
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, AL, USA
| | - Tanja Dudenbostel
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, AL, USA
| | - Daisy Xing
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, AL, USA
| | - Deborah Ejem
- School of Nursing, University of Alabama at Birmingham, AL, USA
| | | | - Cynthia Irwin Joiner
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, AL, USA
| | - Olivia Affuso
- School of Public Health, University of Alabama at Birmingham, AL, USA
| | - Andres Azuero
- School of Nursing, University of Alabama at Birmingham, AL, USA
| | - Suzanne Oparil
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, AL, USA
| | - David A Calhoun
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, AL, USA
| | - Marti Rice
- University of Alabama at Birmingham, AL, USA
| | - Fadi G Hage
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, AL, USA; Section of Cardiology, Birmingham Veterans Affairs Medical Center, Birmingham, AL, USA.
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de Beer M, Vrijkotte TGM, Fall CHD, van Eijsden M, Osmond C, Gemke RJBJ. Associations of Infant Feeding and Timing of Weight Gain and Linear Growth during Early Life with Childhood Blood Pressure: Findings from a Prospective Population Based Cohort Study. PLoS One 2016; 11:e0166281. [PMID: 27832113 PMCID: PMC5104398 DOI: 10.1371/journal.pone.0166281] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 10/26/2016] [Indexed: 11/28/2022] Open
Abstract
Objective Small birth size and rapid postnatal growth have been associated with higher future blood pressure. The timing of these effects, the relative importance of weight gain and linear growth and the role of infant feeding need to be clarified. Methods We assessed how blood pressure relates to birth weight, infant and childhood growth and infant feeding (duration of exclusive breastfeeding and timing of introduction of complementary feeding) in 2227 children aged 5 years from a prospective cohort study (Amsterdam Born Children and their Development). Postnatal growth was represented by statistically independent measures of relative weight gain (weight gain independent of height) and linear growth in four age periods during infancy (0–1 month; 1–3 months; 3–6 months; 6–12 months) and from 12 months to 5 years. Results Lower birth weight was associated with higher childhood diastolic blood pressure (-0.38 mm Hg.SD-1; P = 0.007). Faster relative weight gain and linear growth after 1 month were positively associated with systolic and diastolic blood pressure. Associations of linear growth with systolic blood pressure ranged from 0.47 to 1.49 mm Hg.SD-1; P<0.01 for all. Coefficients were similar for different periods of infancy and also for relative weight gain and linear growth. Compared to breastfeeding <1 month, breastfeeding >1 month was associated with lower blood pressure (e.g. >6 months -1.56 mm Hg systolic blood pressure; P<0.001). Compared to >6 months, introduction of complementary feeding <6 months was associated with higher blood pressure (e.g. 4–6 months 0.91 mm Hg systolic blood pressure; P = 0.004). Conclusions After the age of one month faster growth in either weight or height is associated with higher childhood blood pressure. It is unknown whether faster weight gain and linear growth carry the same risk for adult hypertension and cardiovascular morbidity. Longer breastfeeding and delayed introduction of complementary feeding may be associated with lower adult blood pressure.
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Affiliation(s)
- Marieke de Beer
- Department of Pediatrics, VU University Medical Center, Amsterdam, The Netherlands
- * E-mail:
| | - Tanja G. M. Vrijkotte
- Department of Social Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Caroline H. D. Fall
- MRC Lifecourse Epidemiology Unit, Southampton General Hospital, University of Southampton, Southampton, United Kingdom
| | - Manon van Eijsden
- Department of Epidemiology, Documentation and Health Promotion, Public Health Service, Amsterdam, The Netherlands
| | - Clive Osmond
- MRC Lifecourse Epidemiology Unit, Southampton General Hospital, University of Southampton, Southampton, United Kingdom
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Nkeh-Chungag BN, Sekokotla AM, Sewani-Rusike C, Namugowa A, Iputo JE. Prevalence of Hypertension and Pre-hypertension in 13-17 Year Old Adolescents Living in Mthatha - South Africa: a Cross-Sectional Study. Cent Eur J Public Health 2015; 23:59-64. [DOI: 10.21101/cejph.a3922] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Brachial flow-mediated dilation predicts subclinical target organ damage progression in essential hypertensive patients. J Hypertens 2014; 32:2393-400; discussion 2400. [DOI: 10.1097/hjh.0000000000000337] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Nadeem S, Batisky DL. Aliskiren, the first direct renin inhibitor: assessing a role in pediatric hypertension and kidney diseases. Pediatr Nephrol 2014; 29:2105-11. [PMID: 24337365 PMCID: PMC4057986 DOI: 10.1007/s00467-013-2716-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Revised: 11/20/2013] [Accepted: 11/20/2013] [Indexed: 01/01/2023]
Abstract
This article provides a review of the role of aliskiren, a direct renin inhibitor, in pediatric hypertension and kidney diseases. Among the many mechanisms involved in regulating blood pressure, the renin-angiotensin-aldosterone system (RAAS) plays a major role. Additionally, the RAAS has been identified as a contributing factor to cardiovascular and renal diseases for more than three decades. The potential benefits of inhibiting the RAAS by aliskiren alone or in combination with other RAAS blockers (ACEIs, ARBs) seem to be theoretically promising. However, caution should be exercised in treating children, especially in those with significant chronic kidney disease until there is more evidence regarding the safety and efficacy of this new drug in the pediatric population from ongoing clinical trials.
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Eliasdottir SB, Steinthorsdottir SD, Indridason OS, Palsson R, Edvardsson VO. Comparison of aneroid and oscillometric blood pressure measurements in children. J Clin Hypertens (Greenwich) 2013; 15:776-83. [PMID: 24112661 PMCID: PMC8033818 DOI: 10.1111/jch.12196] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Revised: 07/12/2013] [Accepted: 07/21/2013] [Indexed: 11/28/2022]
Abstract
Limited data exist on the comparison of blood pressure (BP) measurements using aneroid and oscillometric devices. The purpose of the study was to investigate the difference in BP obtained using oscillometric and aneroid BP monitors in 9- to 10-year-old children. A total of 979 children were divided into group O, which underwent two oscillometric BP readings followed by two aneroid readings, and group A, which had BP measured in the reverse order. No significant difference was found between the mean (±standard deviation) of the two systolic BP readings obtained using the oscillometric and aneroid devices (111.5±8.6 vs 111.3±8.1 mm Hg; P=.39), whereas the mean diastolic BP was lower with the oscillometric monitor (61.5±8.0 vs 64.5±6.8 mm Hg; P<.001). A significant downward trend in BP was observed with each consecutive measurement, and agreement between the two monitors was limited. Multiple BP measurements are, therefore, recommended before the diagnosis of elevated BP or hypertension is made with either method.
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Affiliation(s)
| | | | - Olafur S. Indridason
- Division of NephrologyLandspitali – The National University Hospital of IcelandReykjavikIceland
| | - Runolfur Palsson
- Faculty of MedicineSchool of Health SciencesUniversity of IcelandReykjavikIceland
- Division of NephrologyLandspitali – The National University Hospital of IcelandReykjavikIceland
| | - Vidar O. Edvardsson
- Faculty of MedicineSchool of Health SciencesUniversity of IcelandReykjavikIceland
- Children′s Medical CenterLandspitali – The National University Hospital of IcelandReykjavikIceland
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Abstract
A large body of literature suggests an inverse relationship between birth weight and blood pressure in children, adolescents and adults. The most persistent findings have been observed in children with a history of low birth weight or intrauterine growth restriction, while a large number of studies carried out in populations with normally distributed birth weight have shown conflicting results. A recently reported strong direct association between high birth weight and blood pressure, and the significant positive effect of postnatal growth on blood pressure suggests that the fetal origins of adult disease hypothesis should be expanded to include the role of excessive fetal and postnatal growth. In this paper, we review recent studies on the relationship between birth weight and blood pressure in childhood, with a focus on confounding variables that may explain the conflicting results of published work in this field.
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ten Dam K, van der Palen RLF, Tanke RB, Schreuder MF, de Jong H. Clinical recognition of mid-aortic syndrome in children. Eur J Pediatr 2013; 172:413-6. [PMID: 22847170 DOI: 10.1007/s00431-012-1800-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Accepted: 07/09/2012] [Indexed: 11/29/2022]
Abstract
Mid-aortic syndrome is characterized by narrowing of the abdominal aorta, usually with the involvement of renal arteries and other visceral branches. The combination of the presence of an abdominal bruit, diminished or absent pulsations of the lower extremities, and a blood pressure discrepancy between upper and lower extremities is the classic triad associated with mid-aortic syndrome. However, it has a wide variety of clinical symptoms, and awareness of the variable presentation can lead to early diagnosis of the vascular anomaly. We report three cases presenting at three different stages of this disease, such as hydrops fetalis, refractory hypertension, and intracerebral bleeding. In conclusion, these cases highlight the importance of blood pressure measurements in all patients and accurate physical examination for early recognition of a mid-aortic syndrome.
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Affiliation(s)
- Kim ten Dam
- Department of Pediatric Nephrology, Radboud University Nijmegen Medical Centre, P.O. Box 9101, Route 804, 6500 HB, Nijmegen, The Netherlands
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Falkner B, DeLoach S, Keith SW, Gidding SS. High risk blood pressure and obesity increase the risk for left ventricular hypertrophy in African-American adolescents. J Pediatr 2013; 162:94-100. [PMID: 22817908 PMCID: PMC3480988 DOI: 10.1016/j.jpeds.2012.06.009] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2012] [Revised: 04/26/2012] [Accepted: 06/04/2012] [Indexed: 01/08/2023]
Abstract
OBJECTIVE To examine the relative effects of high blood pressure (HBP) and obesity on left ventricular mass (LVM) among African-American adolescents; and if metabolic or inflammatory factors contribute to LVM. STUDY DESIGN Using a 2 × 2 design, African-American adolescents were stratified by body mass index percentile (body mass index <95th percentile = non-obese; ≥ 95th percentile = obese) and average blood pressure (BP) (normal BP <120/80 mm Hg; HBP ≥ 120/80). Glucose, insulin, insulin resistance, lipids, and inflammatory cytokines were measured. From echocardiography measures of LVM, calculated LVM index (LVMI) ≥ 95th percentile defined left ventricular hypertrophy (LVH). RESULTS Data included 301 adolescents (48% female), mean age 16.2 years, 51% obese, and 29% HBP. LVMI was highest among adolescents with both obesity and HBP. The multiplicative interaction of obesity and HBP on LVH was not significant (OR = 2.35, P = .20) but the independent additive associations of obesity and HBP with log-odds of LVH were significant; obesity OR = 3.26, P < .001; HBP OR = 2.92, P < .001. Metabolic and inflammatory risk factors were associated with obesity, but had no independent association with LVMI. Compared with those with average systolic BP (SBP) <75th percentile, adolescents with SBP from the 75th percentile to 90th percentile had higher LVMI (33.2 vs 38.7 g/m(2.7), P < .001) and greater LVH (18% vs 43%, P < .001), independent of obesity. CONCLUSIONS Prevalence of LVH is highest among African-American adolescents with average BP ≥ 120/80 mm Hg and obesity. There also is an independent association of LVMI with BP, beginning at the 75th SBP percentile.
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Affiliation(s)
- Bonita Falkner
- Department of Medicine, Thomas Jefferson University, Philadelphia, PA 19107, USA.
| | - Stephanie DeLoach
- Department of Medicine,A.I. DuPont Hospital for Children, Wilmington DE
| | - Scott W. Keith
- Department of Clinical Pharmacology and Therapeutics, A.I. DuPont Hospital for Children, Wilmington DE
| | - Samuel S. Gidding
- Department of Pediatrics, A.I. DuPont Hospital for Children, Wilmington DE
,Thomas Jefferson University, Philadelphia PA and the Division of Cardiology, A.I. DuPont Hospital for Children, Wilmington DE
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LA de Hoog M, van Eijsden M, Stronks K, Gemke RJBJ, Vrijkotte TGM. Association between body size and blood pressure in children from different ethnic origins. Cardiovasc Diabetol 2012; 11:136. [PMID: 23126496 PMCID: PMC3495733 DOI: 10.1186/1475-2840-11-136] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Accepted: 10/26/2012] [Indexed: 01/18/2023] Open
Abstract
Objective To assess associations between body size and blood pressure in children (5-6 years) from different ethnic origins. Method Five ethnic groups of the ABCD cohort were examined: Dutch (n=1 923), Turkish (n=99), Moroccan (n=187), Black-African (n=67) and Black-Caribbean (n=121). Data on body-mass-index (BMI), waist-to-height ratio (WHtR), fat-mass-index (FMI), and systolic blood pressure (SBP) and diastolic blood pressure (DBP), were collected. Linear regression analysis with restricted cubic splines was used to examine non-linear associations between body size and blood pressure, adjusted for age, sex, height and birth weight. Results Ethnic differences were found in associations of BMI with SBP and DBP (SBP: p=0.001 and DBP: p=0.01) and FMI with SBP (p=0.03). BMI and FMI had a relatively large positive association with SBP in Turkish children (BMI: β=2.46mmHg; 95%CI:1.20-3.72; FMI: β=2.41mmHg; 95%CI:1.09-3.73) compared to Dutch (BMI: β=1.31mmHg; 95%CI:0.71-1.92; FMI: β=0.84mmHg; 95%CI:0.23-1.45). Black-Caribbean and Moroccan children showed high blood pressure with low BMI and FMI. Moroccan children showed higher SBP with high BMI and FMI. WHtR was positively associated with SBP and DBP, similar in all ethnic groups. Generally, strongest associations with blood pressure were found for BMI in all ethnic groups. Conclusion Ethnic-specific associations between BMI, and FMI and blood pressure are present at young age, with Turkish children showing the highest increase in blood pressure with increasing body size. The higher blood pressure in the Black-Caribbean and Moroccan children with low BMI needs further research. WHtR or FMI do not seem to be associated more strongly to blood pressure than BMI in any ethnic group.
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Affiliation(s)
- Marieke LA de Hoog
- Department of Public Health, Academic Medical Centre, University of Amsterdam, P,O, Box 22660, 1100 DD, Amsterdam, the Netherlands.
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Abstract
The aging process affects all organs, including the kidneys. As part of this process, progressive scarring and a measurable decline in renal function occur in most people over time. The improved understanding of the processes that can lead to and/or hasten scarring and loss of renal function over time parallels advances in our understanding of the aging process. Clinical factors, including hypertension, diabetes mellitus, obesity, abnormal lipid levels and vitamin D deficiency, have been associated with increasing renal sclerosis with age. In addition, tissue factors such as angiotensin II, advanced glycation end products, oxidative stress and Klotho are associated with renal aging. These associations and possible interventions, including the control of blood pressure, blood sugar, weight, diet and calorie restriction might make renal aging more preventable than inevitable.
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Steinthorsdottir SD, Eliasdottir SB, Indridason OS, Agustsdottir IM, Palsson R, Edvardsson VO. Prevalence of hypertension in 9- to 10-year-old Icelandic school children. J Clin Hypertens (Greenwich) 2011; 13:774-9. [PMID: 21974766 DOI: 10.1111/j.1751-7176.2011.00496.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The purpose of the study was to investigate blood pressure (BP) distribution, prevalence of hypertension, and correlation between BP and body mass index (BMI) in 9- to 10-year-old Icelandic children. Two manual and two automated BP measurements were performed in 1071 Icelandic children. Children with elevated BP underwent a second BP screening, and a third screening was performed if the BP was elevated at the second visit. Hypertension was defined as BP ≥95th percentile at all three visits. White-coat hypertension was diagnosed in hypertensive children with normal 24-hour ambulatory BP. Of 970 children with complete data, 489 were girls (50.4%). The mean BP was 111/63 mm Hg in girls and 112/64 mm Hg in boys (P<.001). The prevalence of elevated BP was 13.1%, 6.0%, and 3.1% after the first, second, and third screen, respectively. The prevalence of sustained hypertension was 2.5% and an additional 0.6% had white-coat hypertension. A significant correlation between BMI and BP was observed (r=0.338, P<.001) and 8.6% of the obese children had hypertension. The prevalence of hypertension in 9- to 10-year-old Icelandic children is lower than indicated in recent reports and is associated with obesity.
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Martikainen S, Pesonen AK, Feldt K, Jones A, Lahti J, Pyhälä R, Heinonen K, Kajantie E, Eriksson J, Räikkönen K. Poor sleep and cardiovascular function in children. Hypertension 2011; 58:16-21. [PMID: 21555678 DOI: 10.1161/hypertensionaha.111.172395] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
We investigated whether sleep quantity and quality were related to 24-hour ambulatory blood pressure and cardiovascular reactivity in children. We studied term-born, healthy 8.0-year olds (SD: 1.4 years) without sleep-disordered breathing (231 and 265 children provided valid data for analyses of ambulatory blood pressure and cardiovascular reactivity, respectively). Sleep was registered with an actigraph for 6 nights on average (SD: 1.2; range: 3 to 13 nights). Ambulatory blood pressure was measured for 24-hours (41% nonschool days) with an oscillometric device. The children underwent the Trier Social Stress Test for Children, during which blood pressure, electrocardiography, and thoracic impedance were recorded and processed offline to give measures of cardiovascular and autonomic function. Neither quantity nor quality of sleep was related to 24-hour ambulatory blood pressure or cardiovascular reactivity after accounting for major covariates (sex, age, height, body mass index, and parental education). Although lower sympathetic nervous system activation and higher cardiac activation under stress were found in the group of children who slept for short duration when they were compared with the average sleep duration group, these associations were not significant after correction for multiple testing and were not seen in linear regression models of the effects of sleep duration. These findings do not support the mainstream of epidemiological findings, derived from samples more heterogeneous in age, sociodemographic characteristics, and health, suggesting that poor sleep is associated with an unhealthy cardiovascular phenotype.
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Affiliation(s)
- Silja Martikainen
- Institute of Behavioural Sciences, University of Helsinki, Helsinki, Finland
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