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Jin Z, Chen Z, Pan W, Liu L, Wu M, Hu H, Ding X, Wei H, Zou Y, Qian X, Wang M, Wu J, Tao J, Tan J, Da Z, Zhang M, Li J, Feng X, Sun L. Comparison of Contributors to Mortality Differences in SLE Patients with Different Initial Disease Activity: A Larger Multicenter Cohort Study. J Clin Med 2023; 12:jcm12031061. [PMID: 36769709 PMCID: PMC9918091 DOI: 10.3390/jcm12031061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 01/21/2023] [Accepted: 01/22/2023] [Indexed: 02/03/2023] Open
Abstract
To explore the etiology of risk factors and quantify the mortality differences in systemic lupus erythematosus (SLE) patients with different initial disease activity. The Jiangsu Lupus database was established by collecting medical records from first-hospitalized SLE patients during 1999-2009 from 26 centers in Jiangsu province, China, and their survival status every five years. The initial SLEDAI scores [high (>12) vs. low-moderate (≤12)] differences in mortality attributable to risk factors were quantified using population attributable fraction (PAF), relative attributable risk (RAR) and adjusted relative risk (ARR). Among 2446 SLE patients, 83 and 176 deaths were observed in the low-moderate and high activity groups, with mortality rates of 7.7 and 14.0 per 1000 person years, respectively. Anemia was the leading contributor to mortality, with PAFs of 40.4 and 37.5 in the low-moderate and high activity groups, respectively, and explained 23.2% of the mortality differences with an ARR of 1.66 between the two groups. Cardiopulmonary involvement caused the highest PAFs in the low-moderate (20.5%) and high activity (13.6%) groups, explaining 18.3% of the mortality differences. The combination of anemia and cardiopulmonary involvement had the highest RAR, causing 39.8% of the mortality differences (ARR = 1.52) between the two groups. In addition, hypoalbuminemia and a decrease in the creatinine clearance rate accounted for 20-30% of deaths and explained 10-20% of the mortality differences between the two groups, while antimalarial drug nonuse accounted for about 35% of deaths and explained 3.6% of the mortality differences. Anemia, cardiopulmonary involvement and hypoalbuminemia may cause substantial mortality differences across disease activity states, suggesting additional strategies beyond disease activity assessment to monitor SLE outcomes.
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Affiliation(s)
- Ziyi Jin
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Zheng Chen
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Wenyou Pan
- Department of Rheumatology, Huai’an First People’s Hospital, Huai’an 223001, China
| | - Lin Liu
- Department of Rheumatology, Xuzhou Central Hospital, Xuzhou 221008, China
| | - Min Wu
- Department of Rheumatology, The Third Affiliated Hospital of Soochow University, Changzhou 213003, China
| | - Huaixia Hu
- Department of Rheumatology, Lianyungang Second People’s Hospital, Lianyungang 222000, China
| | - Xiang Ding
- Department of Rheumatology, Lianyungang First People’s Hospital, Lianyungang 222002, China
| | - Hua Wei
- Department of Rheumatology, Northern Jiangsu People’s Hospital, Yangzhou 225007, China
| | - Yaohong Zou
- Department of Rheumatology, Wuxi People’s Hospital, Wuxi 214028, China
| | - Xian Qian
- Department of Rheumatology, Jiangsu Province Hospital of TCM, Nanjing 210004, China
| | - Meimei Wang
- Department of Rheumatology, Southeast University Zhongda Hospital, Nanjing 210009, China
| | - Jian Wu
- Department of Rheumatology, The First Affiliated Hospital of Soochow University, Suzhou 215005, China
| | - Juan Tao
- Department of Rheumatology, Wuxi TCM Hospital, Wuxi 214177, China
| | - Jun Tan
- Department of Rheumatology, Zhenjiang First People’s Hospital, Zhenjiang 212050, China
| | - Zhanyun Da
- Department of Rheumatology, Affiliated Hospital of Nantong University, Nantong 226001, China
| | - Miaojia Zhang
- Department of Rheumatology, Jiangsu Province Hospital, Nanjing 210029, China
| | - Jing Li
- Department of Rheumatology, Affiliated Hospital of Jiangsu University, Zhenjiang 212050, China
| | - Xuebing Feng
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
- Correspondence: (X.F.); (L.S.); Tel.: +86-25-6818-2422(L.S.); Fax: +86-25-6818-2428(L.S.)
| | - Lingyun Sun
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
- Correspondence: (X.F.); (L.S.); Tel.: +86-25-6818-2422(L.S.); Fax: +86-25-6818-2428(L.S.)
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Nsugbe E. A cybernetic framework for predicting preterm and enhancing care strategies: A review. BIOMEDICAL ENGINEERING ADVANCES 2021. [DOI: 10.1016/j.bea.2021.100024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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Hassan S, Oladele C, Galusha D, Adams OP, Maharaj RG, Nazario CM, Nunez M, Nunez-Smith M. Anthropometric measures of obesity and associated cardiovascular disease risk in the Eastern Caribbean Health Outcomes Research Network (ECHORN) Cohort Study. BMC Public Health 2021; 21:399. [PMID: 33632164 PMCID: PMC7905572 DOI: 10.1186/s12889-021-10399-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 02/05/2021] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Accurately defining obesity using anthropometric measures that best capture obesity-related risk is important for identifying high risk groups for intervention. The purpose of this study is to compare the association of different anthropometric measures of obesity with 10-year cardiovascular disease (CVD) risk in adults in the Eastern Caribbean. METHODS Data from the Eastern Caribbean Health Outcomes Research Network (ECHORN) Cohort Study (ECS) were analyzed. The ECS is comprised of adults aged 40 and older residing in the US Virgin Islands, Puerto Rico, Barbados, and Trinidad. 10-year CVD risk was calculated using the American Heart Association (ACC/AHA) ASCVD Risk Algorithm and categorized in the following high-risk groups: > 7.5, > 10, and > 20%. Logistic regression was used to examine associations between four anthropometric measures of obesity (BMI, waist circumference, waist-to-hip ratio, waist-to height ratio) and 10-year CVD risk. RESULTS Mean age (SD) of participants (n = 1617) was 56.6 years (±10.2), 64% were women, 74% were overweight/obese, and 24% had an ASCVD risk score above 10%. Elevated body mass index (BMI, > 30 kg/m2) and waist circumference were not associated with CVD risk. Elevated waist-to-hip ratio (WHR, > 0.9 men, > 0.85 women) and elevated waist-to-height ratio (> 0.5) were associated with all three categories of CVD risk. Area under the receiver curve was highest for WHR for each category of CVD risk. Elevated WHR demonstrated odds of 2.39, 2.58, and 3.32 (p < 0.0001) for CVD risk of > 7.5, > 10 and > 20% respectively. CONCLUSION Findings suggest that WHR is a better indicator than BMI of obesity-related CVD risk and should be used to target adults in the Caribbean, and of Caribbean-descent, for interventions.
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Affiliation(s)
- Saria Hassan
- Department of Medicine, Yale School of Medicine, 100 Church Street South, Suite A200, New Haven, CT, 06510, USA.
- Emory University School of Medicine, Emory Rollins School of Public Health, Atlanta, GA, 30319, USA.
| | - Carol Oladele
- Department of Medicine, Yale School of Medicine, 100 Church Street South, Suite A200, New Haven, CT, 06510, USA
| | - Deron Galusha
- Department of Medicine, Yale School of Medicine, 100 Church Street South, Suite A200, New Haven, CT, 06510, USA
| | | | - Rohan G Maharaj
- University of the West Indies, St. Augustine Campus, St. Augustine, Trinidad
| | - Cruz M Nazario
- Department of Biostatistics and Epidemiology, Graduate School of Public Health, University of Puerto Rico, Medical Sciences Campus, San Juan, Puerto Rico
| | - Maxine Nunez
- University of the Virgin Islands, School of Nursing, St. Thomas, US Virgin Islands
| | - Marcella Nunez-Smith
- Department of Medicine, Yale School of Medicine, 100 Church Street South, Suite A200, New Haven, CT, 06510, USA
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Comparison of the Mediterranean diet and the Dietary Approach Stop Hypertension in reducing the risk of 10-year fatal and non-fatal CVD events in healthy adults: the ATTICA Study (2002-2012). Public Health Nutr 2020; 24:2746-2757. [PMID: 32744196 DOI: 10.1017/s136898002000230x] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVE To compare the Mediterranean and Dietary Approaches to Stop Hypertension (DASH) diets in deterring 10-year CVD. DESIGN Prospective cohort (n 2020) with a 10-year follow-up period for the occurrence of combined (fatal or non-fatal) CVD incidence (International Classification of Diseases (ICD)-10). Baseline adherence to the Mediterranean and DASH diets was assessed via a semi-quantitative FFQ according to the MedDietScore and DASH scores, respectively. SETTING Attica, Greece. PARTICIPANTS Two thousand twenty individuals (mean age at baseline 45·2 (sd 14·0) years). RESULTS One-third of individuals in the lowest quartile of Mediterranean diet consumption, as compared with 3·1 % of those in the highest quartile, developed 10-year CVD (P < 0·0001). In contrast, individuals in the lowest and highest DASH diet quartiles exhibited similar 10-year CVD rates (n (%) of 10-year CVD in DASH diet quartiles 1 v. 4: 79 (14·7 %) v. 75 (15·3 %); P = 0·842). Following adjustment for demographic, lifestyle and clinical confounding factors, those in the highest Mediterranean diet quartile had a 4-fold reduced 10-year CVD risk (adjusted hazard ratio (HR) 4·52, 95 % CI 1·76, 11·63). However, individuals with highest DASH diet quartile scores did not differ from their lowest quartile counterparts in developing such events (adjusted HR 1·05, 95 % CI 0·69, 1·60). CONCLUSIONS High adherence to the Mediterranean diet, and not to the DASH diet, was associated with a lower risk of 10-year fatal and non-fatal CVD. Therefore, public health interventions aimed at enhancing adherence to the Mediterranean diet, rather than the DASH diet, may most effectively deter long-term CVD outcomes particularly in Mediterranean populations.
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García C, Ailshire JA. Biological Risk Profiles Among Latino Subgroups in the Health and Retirement Study. Innov Aging 2019; 3:igz017. [PMID: 31276052 PMCID: PMC6599425 DOI: 10.1093/geroni/igz017] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Latinos residing in the United States exhibit an increased risk for cardiovascular and metabolic diseases compared to non-Latino whites. This elevated risk contributes to a significantly higher prevalence of diabetes and hypertension among Latino adults. Examining biological risk profiles of older Latinos as a "pan-ethnic group" and by Latino subpopulations may help to explain the increased burden of disease in later life among this population. The objective of this study is to document biological risk profiles among a nationally representative sample of older U.S. Latinos by nativity and country of origin. RESEARCH DESIGN AND METHODS We use the 2006-2012 Health and Retirement Study to compare cardiovascular, metabolic, inflammatory and cumulative biological risk among U.S.-born Mexicans, foreign-born Mexicans, U.S.-born Puerto Ricans, island-born Puerto Ricans, U.S.-born "other" Latinos, foreign-born "other" Latinos, and non-Latino whites. RESULTS Older Latinos exhibit heterogeneous biological risk profiles. U.S.-born Mexicans, foreign-born Mexicans, U.S.-born "other" Latinos, and foreign-born "other" Latinos exhibited a higher rate of cardiovascular risk relative to non-Latino whites. In addition, U.S.-born Mexicans, foreign-born Mexicans, island-born Puerto Ricans, and foreign-born "other" Latinos had a higher rate of metabolic risk than non-Latino whites. Island-born Puerto Ricans were the only group to exhibit higher inflammation than non-Latino whites. The observed differences were largely attenuated by socioeconomic status, indicating that high levels of risk among older Latino subpopulations compared to non-Latino whites are associated with lower socioeconomic status. DISCUSSION AND IMPLICATIONS Older U.S. Latinos are a demographically diverse population with unique sociocultural characteristics which may contribute to differences in biological risk across the life course that influence disease progression. Examining Latinos by nativity and country of origin may help identify risks specific to individual subpopulations that can lead to culturally appropriate interventions which help prevent and reduce the burden of cardiovascular and metabolic diseases.
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Affiliation(s)
- Catherine García
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, California
| | - Jennifer A Ailshire
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, California
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Stage 1 hypertension, but not elevated blood pressure, predicts 10-year fatal and non-fatal CVD events in healthy adults: the ATTICA Study. J Hum Hypertens 2019; 33:308-318. [DOI: 10.1038/s41371-019-0169-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 01/09/2019] [Accepted: 01/10/2019] [Indexed: 01/08/2023]
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Margerison CE, Catov J, Holzman C. Pregnancy as a Window to Racial Disparities in Hypertension. J Womens Health (Larchmt) 2019; 28:152-161. [PMID: 29927696 PMCID: PMC6390649 DOI: 10.1089/jwh.2017.6899] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND The black-white disparity in hypertension (HTN) among U.S. women persists after accounting for known risk factors. Pregnancy complications may reveal increased risks for later HTN. We examined the contribution of HTN risk factors measured at both midlife and pregnancy to black-white disparities in midlife HTN. METHODS Data came from a Michigan-based longitudinal study beginning in pregnancy. At 7-15 years postpregnancy (n = 615, mean age = 37), women were assessed for cardiovascular health, including blood pressure, and categorized as hypertensive (n = 126), prehypertensive (n = 149), and normotensive (n = 340). Midlife risk factors for HTN were assessed in four domains: socioeconomic status (SES), psychosocial, behavioral, and physiological. We used generalized logit models to assess the degree to which each domain attenuated the black (vs. white) odds ratio (OR) for HTN at midlife. We then added indicators of pregnancy health, that is, preterm delivery, prepregnancy body mass index (BMI), C-reactive protein (CRP) levels, depressive symptoms, smoking, hypertensive disorders, and lipid levels. RESULTS Black women had 3.3 (95% CI: 2.0-5.5) times the odds of HTN compared to white women after adjusting for age. Following adjustment for midlife SES, and psychosocial, behavioral, and physiological factors, the OR was 2.1 (95% CI: 1.2-4.0). Adjustment for prepregnancy BMI, CRP, and depressive symptoms during pregnancy reduced the OR to 1.9 (95% CI: 1.0-3.7). CONCLUSIONS Known risk factors measured at midlife explained some, but not all, of the race disparity in midlife HTN. Indicators of pregnancy health also contributed to the race disparity in HTN at midlife.
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Affiliation(s)
- Claire E. Margerison
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, Michigan
| | - Janet Catov
- Department of Obstetrics and Gynecology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Claudia Holzman
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, Michigan
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Hassan S, Ojo T, Galusha D, Martinez‐Brockman JL, Adams OP, Maharaj R, Nazario C, Nunez M, Nunez‐Smith M. Obesity and weight misperception among adults in the Eastern Caribbean Health Outcomes Research Network (ECHORN) Cohort Study. Obes Sci Pract 2018; 4:367-378. [PMID: 30151231 PMCID: PMC6105698 DOI: 10.1002/osp4.280] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 05/04/2018] [Accepted: 05/07/2018] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE Prior studies have suggested that weight misperception - underestimating one's actual weight - may be associated with reduced engagement in weight loss programmes, decreasing the success of initiatives to address obesity and obesity-related diseases. The purpose of this study was to examine the factors associated with weight misperception among Eastern Caribbean adults and its influence on engagement in weight control behaviour. METHODS Data from the Eastern Caribbean Health Outcomes Research Network (ECHORN) Cohort Study were analysed (adults aged 40 and older, residing in the US Virgin Islands, Puerto Rico, Barbados and Trinidad). Weight misperception is defined as participants who under-assess their weight measured by body mass index (BMI). Multivariable logistic regression (n = 1,803 participants) was used to examine the association of weight misperception with BMI category, age, gender, education, history of non-communicable disease and attempt to lose weight. RESULTS Weight misperception was common, with 54% of overweight (BMI 25-29 kg m-2), and 23% of obese class I (BMI 30-34.9 kg m-2) participants under-assessing their actual weight. Participants with higher levels of education, versus lower, had decreased odds of weight misperception (OR 0.5, p < 0.001). There were no significantly reduced odds of weight misperception in women versus men (OR 1.13, p = 0.367) or in individuals with history of diabetes versus none (OR 0.88, p = 0.418). Participants with weight misperception had 85% (p < 0.0001) lower odds of attempting weight loss than those with accurate weight perception. CONCLUSION Weight misperception is common among adults with overweight and obesity in the Eastern Caribbean and is associated with lower likelihood of attempting weight loss. Obesity interventions, targeting similar populations, should incorporate approaches for addressing weight misperception to achieve measurable success.
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Affiliation(s)
- S. Hassan
- School of MedicineYale UniversityNew HavenCTUSA
| | - T. Ojo
- New York University College of Global Public HealthNew YorkNYUSA
| | - D. Galusha
- School of MedicineYale UniversityNew HavenCTUSA
| | | | - O. P. Adams
- University of the West IndiesCave Hill CampusBridgetownBarbados
| | - R. Maharaj
- University of the West IndiesSt. AugustineTrinidad
| | - C. Nazario
- University of Puerto RicoSan JuanPuerto Rico
| | - M. Nunez
- University of the Virgin IslandsSt. ThomasUnited States Virgin Islands
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Chen YL, Hsu CH, Hsieh CH, Wu CZ, Lin JD, Chang JB, Liang YJ, Tsai YT, Hsia TL, Pei D. High normotension is associated with future metabolic syndrome but not cardiovascular disease: A 10-year longitudinal study. Medicine (Baltimore) 2017; 96:e7227. [PMID: 28640118 PMCID: PMC5484226 DOI: 10.1097/md.0000000000007227] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Hypertension and prehypertension can increase the risk of developing cardiovascular disease (CVD) and diabetes. However, whether the harmful effects of high blood pressure (BP) are also seen with high normotension remains unknown. This 10-year longitudinal follow-up study aimed to investigate the relationships among normal-range BP, metabolic syndrome (MetS), and CVD.A total of 9133 nonmedicated normotensive participants, 4634 males and 4499 females, aged 60 years or older were enrolled in a standard health examination program at 2 academic hospitals and a health screening center in Taiwan. The study subjects were divided into 3 groups according to their BP. The systolic BP (SBP) ranges of groups 1, 2, and 3 were 91 to 100, 101 to 110, and 111 to 119 mmHg, whereas the diastolic BP (DBP) ranges of groups 1, 2, and 3 were 51 to 60, 61 to 70, and 71 to 79 mmHg, respectively.In the SBP3 group, both sexes had a higher odds ratio (OR) for having MetS or abnormal MetS components, except for triglycerides. Females in the DBP3 group had a higher OR for having MetS at baseline. After the follow-up period, the SBP3 group had a significantly higher hazard ratio (HR) for developing MetS. Males in the DBP3 group and females in the DBP2 and DBP3 groups had a significantly higher HR for developing MetS. Neither the SBP3 group nor the DBP3 group had a higher HR for developing nonfatal CVD. In the Kaplan-Meier analysis, SBP and DBP in both sexes showed statistical significance as predictors of MetS, but not of nonfatal CVD.High normotensive elderly individuals have an elevated risk of developing MetS at baseline and within 10 years of follow-up, but they are not at increased risk of CVD. Preventive interventions, such as life-style modification, should be offered early even to the apparently healthy elderly.
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Affiliation(s)
- Yen-Lin Chen
- Department of Pathology, Cardinal Tien Hospital, School of Medicine, College of Medicine, Fu-Jen Catholic University
- Division of Molecular Pathology, Department of Pathology, Cardinal Tien Hospital
| | - Chun-Hsien Hsu
- Department of Family Medicine, Cardinal Tien Hospital, School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City
| | - Chang-Hsun Hsieh
- Department of Internal Medicine, Division of Endocrinology and Metabolism, Tri-Service General Hospital, National Defense Medical Center
| | - Chung-Ze Wu
- Division of Endocrinology and Metabolism, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei
- Division of Endocrinology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City
| | - Jiunn-Diann Lin
- Division of Endocrinology and Metabolism, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei
- Division of Endocrinology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City
| | - Jin-Biou Chang
- Department of Pathology, National Defense Medical Center, Division of Clinical Pathology, Tri-Service General Hospital, Taipei
| | - Yao-Jen Liang
- College of Science and Engineering, Institute of Applied Science and Engineering, Department and Institute of Life-Science
| | - Yi-Ting Tsai
- Division of Molecular Pathology, Department of Pathology, Cardinal Tien Hospital
| | - Te-Lin Hsia
- Department of Internal Medicine, Cardinal Tien Hospital, School of Medicine, College of Medicine, Fu-Jen Catholic University, New Taipei City, Taiwan
| | - Dee Pei
- Department of Internal Medicine, Cardinal Tien Hospital, School of Medicine, College of Medicine, Fu-Jen Catholic University, New Taipei City, Taiwan
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Prevalence of prehypertension and associated risk factors among Chinese adults from a large-scale multi-ethnic population survey. BMC Public Health 2016; 16:775. [PMID: 27515034 PMCID: PMC4982422 DOI: 10.1186/s12889-016-3411-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Accepted: 07/29/2016] [Indexed: 11/26/2022] Open
Abstract
Background Up to date, most of previous studies about Chinese prehypertension were conducted based on a small sample or in only one province, which could not represent the general population in China. Furthermore, no information on the ethnic difference in prevalence of prehypertension has been reported in China. The aim of this study is to examine the sex-specific, age-specific and ethnic-specific prevalence of prehypertension and associated risk factors in a large-scale multi-ethnic Chinese adult population. Methods The subjects came from a large-scale population survey about Chinese physiological constants and health conditions conducted in six provinces. 47, 495 adults completed blood pressure measurement. Prehypertension was defined as not being on antihypertensive medications and having SBP of 120–139 mmHg and/or DBP of 80–89 mmHg. Odds ratio (OR) and its 95 % confidence interval (CI) from logistic models were used to reflect the prevalence of prehypertension. Results The mean age of all subjects was 43.9 ± 16.8 years. The prevalence of hypertension and prehypertension for all them was 29.5 and 36.4 %, respectively. The prevalence of hypertension and prehypertension for males (33.2 and 41.1 %, respectively) was higher than that for females (27.0 and 33.2 %, respectively), and P < 0.001. The mean age of the subjects was 54.8 ± 14.0 years for hypertensive, 44.0 ± 16.0 years for prehypertensive and 35.3 ± 14.5 years for normotensive. With aging, subjects had more odds of getting prehypertension. Multivariate logistic model indicated that males (OR = 2.076, 95 % CI: 1.952–2.208), laborers with mental work (OR = 1.084, 95 % CI: 1.020–1.152), Yi (OR = 1.347, 95 %CI: 1.210–1.500) and Hui subjects (OR = 1.133, 95 % CI: 1.024–1.253), alcohol drinkers (OR = 1.147, 95 % CI: 1.072–1.228), the generally obese (OR = 2.460, 95 % CI: 2.190–2.763), the overweight (OR = 1.667, 95 % CI: 1.563–1.788), the abdominally obese (OR = 1.371, 95 % CI: 1.280–1.467) and subjects with family history of cardiovascular diseases (OR = 1.132, 95 % CI: 1.045–1.226) had higher prevalence of prehypertension. Subjects with higher educational level (OR = 0.687, 95 % CI: 0.627–0.752 for university) and Miao (OR = 0.753, 95 % CI: 0.623–0.910), Tibetan (OR = 0.521, 95 % CI: 0.442–0.613), Tujia (OR = 0.779, 95 % CI: 0.677–0.898) subjects had lower prevalence. Conclusion High prevalence rate of prehypertension was general in Chinese adults. Many sociodemographic characteristics were significantly associated with prehypertension. There were important clinical significance and public health significance about age-specific, gender-specific and ethnic-specific Chinese prehypertension conditions studies.
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Hadaegh F, Hasheminia M, Abdi H, Khalili D, Bozorgmanesh M, Arshi B, Azizi F. Prehypertension Tsunami: A Decade Follow-Up of an Iranian Adult Population. PLoS One 2015; 10:e0139412. [PMID: 26439847 PMCID: PMC4595371 DOI: 10.1371/journal.pone.0139412] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Accepted: 09/14/2015] [Indexed: 01/08/2023] Open
Abstract
OBJECTIVE Prehypertension is associated with cardiovascular disease (CVD). There is no study to examine the incidence and risk factors of prehypertension in a sex stratified setting. The aim of this study was to examine the effect modification of sex for different risk factors which predicts the progression from normotension to prehypertension in a Middle East population-based cohort, during a median follow-up of 9.2 years. METHODS A multivariate Cox analysis was performed among 1466 and 2131 Iranian men and women, respectively, who were free of prehypertension, hypertension, CVD and diabetes at baseline and free of incident hypertension without preceding prehypertension at follow-up. Incident prehypertension at follow-up was defined as systolic blood pressure (SBP) of 120-139 mmHg and/or diastolic blood pressure (DBP) of 80-89 mmHg. RESULTS Overall, 1440 new cases of prehypertension were identified resulting in an incidence rate of 593/10000 person-years; the corresponding values for women and men were 489/10000 and 764/10000person-years, respectively. There were significant interactions between gender with age, DBP, waist-to-hip-ratio (WHpR) and estimated glomerular filtration rate (eGFR) (all P-values <0.05) in multivariate analysis. Strong associations were found between age, body mass index (BMI) and SBP with incident prehypertension in both genders. However, the effect of DBP and WHpR was significant among women and 2-hour post challenge plasma glucose (2h-PCPG)was an independent risk factor for men. In the sex-adjusted analysis, glomerular hyperfiltration [Hazard ratio (HR) and 95%CI: 1.01 (1.00-1.01), P-value = 0.02], age, BMI, WHpR, SBP and DBP had higher risks while being female [HR (95%CI): 0.81(0.69-0.94), P-value = 0.01] had a lower risk for incident prehypertension. CONCLUSION According to this study results, among Iranian population with high incidence of prehypertension, general adiposity and glomerular hyperfiltration in total, 2h-PCPG in men and central adiposity in women should be emphasized as risk factors for prehypertension.
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Affiliation(s)
- Farzad Hadaegh
- Prevention of Metabolic Disorders Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- * E-mail:
| | - Mitra Hasheminia
- Prevention of Metabolic Disorders Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hengameh Abdi
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Davood Khalili
- Prevention of Metabolic Disorders Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammadreza Bozorgmanesh
- Prevention of Metabolic Disorders Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Banafsheh Arshi
- Prevention of Metabolic Disorders Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fereidoun Azizi
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Rodríguez-Ramírez M, Simental-Mendía LE, González-Ortiz M, Martínez-Abundis E, Madero A, Brito-Zurita O, Pérez-Fuentes R, Revilla-Monsalve C, Islas-Andrade S, Rodríguez-Morán M, Guerrero-Romero F. Prevalence of Prehypertension in Mexico and Its Association With Hypomagnesemia. Am J Hypertens 2015; 28:1024-30. [PMID: 25618517 DOI: 10.1093/ajh/hpu293] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Accepted: 12/15/2014] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Prehypertension (preHTN) increases the risk of developing hypertension. The objectives of this study were to estimate the prevalence of preHTN in the Mexican adult population and evaluate the association between hypomagnesemia and preHTN. METHODS This study was a 2-phase, population-based study. In the first phase, 4,272 Mexican adults (aged 20-65 years) were enrolled to determine the prevalence of preHTN. In the second phase, a cross-sectional analysis was performed to evaluate the association between hypomagnesemia and preHTN. The exclusion criteria were chronic diarrhea, malignancy, hepatic and renal diseases, chronic inflammatory disease, and the intake of magnesium supplements. PreHTN was defined as a systolic blood pressure (BP) of 120-139 mm Hg and/or diastolic BP of 80-89 mm Hg, and hypomagnesemia was defined as a serum magnesium concentration <1.8 mg/dl. RESULTS The prevalence of preHTN was 37.5% (95% confidence interval (CI): 36.0-39.0): 46.7% were men (95% CI: 44.1-49.4) and 33.2% (95% CI: 31.5-5.0) were women. The serum magnesium data were available for 921 participants. Hypomagnesemia was identified in 276 (30.0%; 95% CI: 27.1-33.0) subjects; of them, 176 (63.8%; 95% CI: 58.3-69.6) had preHTN. Individuals with preHTN exhibited lower magnesium levels than individuals without preHTN (1.78±0.36 vs. 1.95±0.37, P < 0.0005). A multiple logistic regression analysis (adjusted for age, sex, smoking, body mass index, waist circumference, fasting glucose, total cholesterol, high-density lipoprotein cholesterol, and triglycerides levels) indicated a significant association between hypomagnesemia and preHTN (odds ratio = 1.78; 95% CI: 1.5-4.0, P < 0.0005). CONCLUSIONS The prevalence of preHTN in the Mexican population is 37.5%, and hypomagnesemia is strongly associated with preHTN.
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Affiliation(s)
- Mariana Rodríguez-Ramírez
- The Multidisciplinary Research Group on Diabetes of the Mexican Social Security Institute, Durango, Dgo, México
| | - Luis E Simental-Mendía
- The Multidisciplinary Research Group on Diabetes of the Mexican Social Security Institute, Durango, Dgo, México
| | - Manuel González-Ortiz
- The Multidisciplinary Research Group on Diabetes of the Mexican Social Security Institute, Durango, Dgo, México; Institute of Experimental and Clinical Therapeutics, Department of Physiology, Health Science University Center, University of Guadalajara, Guadalajara, Mexico
| | - Esperanza Martínez-Abundis
- The Multidisciplinary Research Group on Diabetes of the Mexican Social Security Institute, Durango, Dgo, México; Institute of Experimental and Clinical Therapeutics, Department of Physiology, Health Science University Center, University of Guadalajara, Guadalajara, Mexico
| | - Agustín Madero
- The Multidisciplinary Research Group on Diabetes of the Mexican Social Security Institute, Durango, Dgo, México
| | - Olga Brito-Zurita
- The Multidisciplinary Research Group on Diabetes of the Mexican Social Security Institute, Durango, Dgo, México
| | - Ricardo Pérez-Fuentes
- The Multidisciplinary Research Group on Diabetes of the Mexican Social Security Institute, Durango, Dgo, México
| | - Cristina Revilla-Monsalve
- The Multidisciplinary Research Group on Diabetes of the Mexican Social Security Institute, Durango, Dgo, México
| | - Sergio Islas-Andrade
- The Multidisciplinary Research Group on Diabetes of the Mexican Social Security Institute, Durango, Dgo, México
| | - Martha Rodríguez-Morán
- The Multidisciplinary Research Group on Diabetes of the Mexican Social Security Institute, Durango, Dgo, México
| | - Fernando Guerrero-Romero
- The Multidisciplinary Research Group on Diabetes of the Mexican Social Security Institute, Durango, Dgo, México;
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Xu T, Zhu G, Liu J, Han S. Gender-specific prevalence and associated risk factors of high normal blood pressure and hypertension among multi-ethnic Chinese adolescents aged 8-18 years old. Blood Press 2015; 24:189-95. [PMID: 25830569 DOI: 10.3109/08037051.2015.1025474] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
AIM To date, accurate reports about the prevalence of high normal blood pressure (BP) and hypertension among Chinese adolescents have been rare. We examine the sex-specific and age-specific prevalence of high normal BP and hypertension, and the associated risk factors among multi-ethnic Chinese adolescents from a large and representative sample. METHODS 29,997 adolescents aged 8-18 years old received blood pressure measurement on one clinical visit. RESULTS The overall prevalence was 4.15% for hypertension (4.73% for boys and 3.62% for girls) and 29.85% for high normal BP (33.40% for boys and 26.65% for girls). The odds ratios (ORs) increased with age, but the absolute changes of ORs were significantly different between boys and girls. Compared with that of the Han counterparts, the risk of high normal BP was 1.960-fold, 1.283-fold and 1.618-fold for Yi boys, Mongolian boys and Yi girls, respectively, whereas the OR was 0.440 for Tibetan boys, 0.492 for Tibetan girls and 0.794 for Korean girls. Compared with those of normal weight, overweight and obese adolescents had significantly increased risk of high normal BP (OR = 3.377 for obese boys and OR = 2.009 for overweight boys; OR = 2.865 for obese girls and OR = 1.738 for overweight girls). Rural adolescents had a higher risk of hypertension than those living in urban areas. CONCLUSION The prevalence of high normal BP and hypertension was high in Chinese adolescents. Age, ethnicity, obesity, overweight, abnormal waist circumference, family history of cardiovascular diseases and dwelling at rural districts were significantly associated with pediatric high normal BP or hypertension.
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Affiliation(s)
- Tao Xu
- Department of Epidemiology and Statistics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & School of Basic Medicine, Peking Union Medical College , Beijing 100005 , China
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Yao W, Sun Y, Wang X, Si Q, Chen H, Wan Z. High prevalence of metabolic syndrome in a middle-aged and elderly population with prehypertension in Tianjin. Clin Exp Hypertens 2014; 37:369-74. [PMID: 25496289 DOI: 10.3109/10641963.2014.977487] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Prehypertension has been reported as being correlated with future cardiovascular risk and end-organ damage in middle-aged and elderly persons, and also playing an important role in metabolic syndrome (MetS). The association between prehypertension and MetS has rarely been reported among urban adults in Tianjin, China. METHODS In this cross-sectional study, a total of 1176 participants aged 40-70 years (524 males and 652 females) were enrolled after excluding participants with hypertension or treated hypertension. Participants were divided into two groups [optimal blood pressure (BP) and prehypertension] based on the classification of BP from the JNC-7. The definition of MetS was as per the International Diabetes Federation standard. An adjusted logistic regression model was used to assess relationships between prehypertension and MetS. RESULTS The prehypertension group had a significantly higher odds ratio (OR) than the optimal BP group for abnormal waist circumference (WC), fasting plasma glucose (FPG) and triglycerides (TG). In addition, the prehypertension group had a higher OR (3.12; 95% confidence interval 2.34-4.18) for having MetS after adjusting for potential confounders. CONCLUSIONS The risk of having MetS was significantly associated with prehypertension in middle-aged and elderly persons in Tianjin. Stricter control of BP in this age group is warranted.
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Affiliation(s)
- Wei Yao
- Department of Cardiology, Tianjin Medical University General Hospital, Tianjin Medial University , Tianjin , China
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A collaborative study of the etiology of breast cancer subtypes in African American women: the AMBER consortium. Cancer Causes Control 2013; 25:309-19. [PMID: 24343304 DOI: 10.1007/s10552-013-0332-8] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Accepted: 12/06/2013] [Indexed: 12/16/2022]
Abstract
PURPOSE Breast cancer is a heterogeneous disease, with at least five intrinsic subtypes defined by molecular characteristics. Tumors that express the estrogen receptor (ER+) have better outcomes than ER- tumors, due in part to the success of hormonal therapies that target ER+ tumors. The incidence of ER- breast cancer, and the subset of ER- cancers that are basal-like, is about twice as high among African American (AA) women as among US women of European descent (EA). This disparity appears to explain, in part, the disproportionately high mortality from breast cancer that occurs in AA women. Epidemiologic research on breast cancer in AA women lags behind research in EA women. Here, we review differences in the etiology of breast cancer subtypes among AA women and describe a new consortium of ongoing studies of breast cancer in AA women. METHODS We combined samples and data from four large epidemiologic studies of breast cancer in AA women, two cohort and two case-control, creating the African American Breast Cancer Epidemiology and Risk consortium. Tumor tissue is obtained and stored in tissue microarrays, with assays of molecular markers carried out at a pathology core. Genotyping, carried out centrally, includes a whole exome SNP array and over 180,000 custom SNPs for fine-mapping of genome-wide association studies loci and candidate pathways. RESULTS To date, questionnaire data from 5,739 breast cancer cases and 14,273 controls have been harmonized. Genotyping of the first 3,200 cases and 3,700 controls is underway, with a total of 6,000 each expected by the end of the study period. CONCLUSIONS The new consortium will likely have sufficient statistical power to assess potential risk factors, both genetic and non-genetic, in relation to specific subtypes of breast cancer in AA women.
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Abstract
This study describes the relative influence of facial skin color, lifetime exposure to racial discrimination, chronic stress, and traditional prehypertension risk factors (family history of hypertension and age) on resting blood pressure and body mass index (BMI) among 196 southern African American (AA) female undergraduate students. Stepwise regression analyses indicated that skin color was the strongest predictor of systolic blood pressure (SBP), diastolic blood pressure (DBP), and BMI. Skin color, chronic stress, and family history of hypertension predicted 53% of the SBP variance. Skin color, chronic stress, and family history of hypertension predicted 30.2% of the DBP variance. Racism and age were not significant predictors of SBP or DBP. Of the variance in BMI, 33% was predicted by skin color, chronic stress, and racism. Age and family history of hypertension were not predictors of BMI. The current study provides evidence of the relationship of skin color and chronic stress to blood pressure among young southern AA women. The study identifies an important relationship between increased racial stress exposure and heavier BMIs, a predictor of prehypertensive risk.
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Abstract
Abstract
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Winter Y, Sankowski R, Back T. Genetic determinants of obesity and related vascular diseases. VITAMINS AND HORMONES 2013; 91:29-48. [PMID: 23374711 DOI: 10.1016/b978-0-12-407766-9.00002-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Obesity is one of the major risk factors of vascular diseases, and its prevalence is increasing worldwide. In the past decade, progress has been made in the understanding of genetic determinants of obesity and obesity-associated diseases. Genome-wide association studies identified a number of genetic variants associated with obesity. In addition to common variants, FTO and MC4R, new loci, such as TMEM18, KCTD15, GNPDA2, SH2B1, MTCH2, and NEGR1 have been detected. In the past years, abdominal obesity has been shown to be a more important vascular risk factor than the body mass index. In the context of vascular risk assessment, identification of genetic polymorphisms associated with accumulation of visceral fat is of special importance. Some polymorphisms associated with abdominal obesity, such as variants of gene encoding microsomal triglyceride transfer protein, have been already discovered. In this chapter, we provide a review of genetic determinants of obesity and discuss their role in obesity-related vascular diseases.
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Affiliation(s)
- Yaroslav Winter
- Department of Neurology, Philipps-University, Marburg Germany
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Differential TNF production by monocyte subsets under physical stress: blunted mobilization of proinflammatory monocytes in prehypertensive individuals. Brain Behav Immun 2013; 27:101-8. [PMID: 23046723 PMCID: PMC3518602 DOI: 10.1016/j.bbi.2012.10.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Revised: 09/25/2012] [Accepted: 10/01/2012] [Indexed: 01/12/2023] Open
Abstract
Elevated blood pressure (BP) and infiltration of the vasculature by monocytes contribute to vascular pathology; but, monocyte migratory characteristics based on differing inflammatory potential under adrenergic activation remains unclear. We compared nonclassical (CD14(+)CD16(++); HLA-DR(+)), intermediate (CD14(++)CD16(+); HLA-DR(++)), and classical (CD14(++)CD16(-); HLA-DR(+/-)) monocyte trafficking and their LPS-stimulated TNF production in response to a physical stressor (20-min treadmill exercise at 65-70% VO(2peak)) in participants with high prehypertension (PHT), mild PHT or normal BP (NBP). To determine adrenergic receptor (AR) sensitivity, pre-exercise cells were also treated with isoproterenol (Iso). When cells were stimulated with LPS, the CD16 molecules were downregulated, and monocyte subsets were differentiated based on HLA-DR expression. Monocyte subpopulations (as % of total monocytes) and intracellular TNF production were evaluated by flow cytometry. TNF production in all subsets decreased post-exercise and with ex-vivo incubation with Iso, irrespective of BP (p<0.001), with nonclassical and intermediate monocytes being a major source of TNF production. Overall, % nonclassical monocytes increased, % intermediate did not change, whereas % classical decreased post-exercise (p<0.001). However, % increase in nonclassical monocytes under exercise-induced adrenergic activation was blunted in high PHT individuals (p<0.05), but not in individuals with mild PHT and NBP. These findings extend our previous reports by showing that the mobilization of proinflammatory monocytes under physical stress is attenuated with even mild BP elevation. This may be indicative of monocytic AR desensitization and/or greater adhesion of "proinflammatory" monocytes to the vascular endothelium in hypertension with potential clinical implications of vascular pathology.
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Er LK, Chen YL, Pei D, Lau SC, Kuo SW, Hsu CH. Increased incidence of metabolic syndrome in older men with high normotension. Aging Male 2012; 15:227-32. [PMID: 23035946 DOI: 10.3109/13685538.2012.720742] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
INTRODUCTION Hypertension and prehypertension are correlated with future cardiovascular disease (CVD) and diabetes. Whether these harmful effects of the blood pressure (BP) could be found in normotensive is of interest. METHODS In this cross-sectional study, totally 2388 normotensive older men aged 65-80 years undergoing routine health examinations were enrolled. To eliminate the influence of age on BP, subjects were initially grouped in each age stratum. Then in each age-stratum, subjects were further grouped into low, middle and high-tertile systolic BP (SBP) subgroups. Finally, all the low-tertile subgroups in each age stratum were gathered to form Group-1. Similarly, Group-2 (middle-tertile) and Group-3 (high-tertile) were also created. Metabolic syndrome (MetS) was regarded as having risks for future CVD and diabetes. RESULTS Age, waist circumstance (WC), fasting plasma glucose (FPG) and log triglyceride (TG) were independently and significantly correlated with SBP by multiple linear regression analysis. On the other hand, logistic regression showed that Group-3 had significant higher odds ratios (ORs) for having abnormal WC, FPG and TG. In addition, Group-3 presented a 1.55-fold OR (p < 0.001) for having MetS than Group-1. CONCLUSIONS In normotensive older men, the risk for having MetS was significantly associated with higher SBP. Primary prevention of hypertension should be stressed.
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Affiliation(s)
- Leay-Kiaw Er
- Department of Internal Medicine, Division of Endocrinology and Metabolism, Buddhist Tzu Chi General Hospital, Taipei, Taiwan
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Stronger associations of obesity with prehypertension and hypertension in young women than in young men. J Hypertens 2012; 30:1423-9. [PMID: 22573123 DOI: 10.1097/hjh.0b013e3283544881] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Obesity is an important risk factor for prehypertension and hypertension, and there are sex-specific differences in prevalences of obesity and hypertension. The aim of this study was to determine whether sex influences the relationships of obesity with prehypertension and hypertension. METHODS The participants were 28,325 Japanese men and women aged 20-39 years. Obesity was evaluated by BMI (≥ 25 kg/m) and waist-to-height ratio (WHtR ≥ 0.5). Associations of obesity with prehypertension and hypertension were compared in men and women by using odds ratio (OR) and area under the curve (AUC). RESULTS ORs for prehypertension and hypertension in participants with vs. participants without high BMI or WHtR were significantly higher than a reference level of 1.00 both in men and women and were significantly higher in women than in men. ORs for prehypertension and hypertension of participants with vs. participants without high BMI were 3.10 (2.84-3.38) (men) vs. 5.54 (4.80-6.40) (women) (P < 0.01) and 12.06 (10.83-13.42) (men) vs. 34.58 (26.55-45.04) (women) (P < 0.01), respectively. ORs of the interaction terms consisting of sex (male vs. female) and adiposity (high vs. not high BMI or WHtR) for prehypertension and hypertension were found to be significant. AUCs for the relationships of BMI with prehypertension and hypertension were significantly larger than a reference level of 0.500 and were significantly larger in women than in men. CONCLUSION The results suggest that the associations of obesity with prehypertension and hypertension are stronger in women than in men.
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Sex difference of the prevalence and risk factors associated with prehypertension among urban Chinese adults from 33 communities of China: the CHPSNE study. J Hypertens 2012; 30:485-91. [PMID: 22241140 DOI: 10.1097/hjh.0b013e32834f9dd3] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND As a new category of blood pressure (BP) classification according to the Seventh Report of The Joint National Committee, prehypertension has aroused people's great concern in recent years due to its associations with increased incidence of cardiovascular disease. However, there is little information about the epidemiology of prehypertension in urban China. The aim of this study is to estimate the prevalence of prehypertension and to identify its risk factors among urban Chinese men and women. METHODS A cross-sectional survey in a representative sample of 25 196 Chinese adults aged 18-74 years was conducted in three cities of northeast of China during 2009 and 2010. Body weight, height, waist circumference, and BP were measured by trained observers. RESULTS Overall, the prevalence of prehypertension was 56.9%, men 71.1% and women 44.6%, respectively. Multivariate analysis revealed that higher education or a higher family income were risk factors of prehypertension among men, but shown as protective factors among women. Among men, high odds ratios (ORs) of prehypertension were found in overweight [OR 2.31; 95% confidence interval (CI) 2.02-2.71] and obese (OR 7.92, 95% CI 4.36-14.42) adults (defined as body mass index), whereas abdominal obesity (OR 2.94, 95% CI 2.48-3.57) (defined as waist circumference) was the main determinant for prehypertension status in women. CONCLUSION Our results indicate that hypertension is highly prevalent in urban China and there is a sex difference in the relationships between risk factors and prehypertension.
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Jang SY, Ju EY, Choi S, Seo S, Kim DE, Kim DK, Park SW. Prehypertension and obesity in middle-aged Korean men and women: the third Korea national health and nutrition examination survey (KNHANES III) study. J Public Health (Oxf) 2012; 34:562-9. [PMID: 22580384 DOI: 10.1093/pubmed/fds033] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND The aim of this study was to investigate the association between obesity and prehypertension (preHT) after adjustment for socioeconomic position and health behavior factors. METHODS The study sample included 1973 Korean men and women, 45-64 years of age. Subjects were classified into three groups based on their baseline blood pressure: prehypertensive, hypertensive and normotensive. Men with a waist circumference ≥90 cm or women ≥80 cm were considered abdominally obese. Body mass index (BMI) obesity was defined as having a BMI ≥25. The prevalence of abdominal obesity and BMI obesity was calculated with age adjustment using a direct method. Multinomial logistic regression analysis was applied. RESULTS The prevalence of preHT in our study was 52.8%. We found that subjects with abdominal obesity were 2.06 times as likely to be prehypertensive as those without it and people with BMI obesity were 1.89 times as likely to be prehypertensive as those without it. Interestingly, men with BMI obesity had a higher preHT risk, while women with abdominal obesity had a higher preHT risk. CONCLUSIONS Statistical analyses of a community-based random sample of the Korean population indicate that obesity is associated with preHT in Korean middle-aged subjects.
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Affiliation(s)
- Shin Yi Jang
- Division of Cardiology, Department of Medicine, Cardiovascular Imaging Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Irwon-dong, Kangnam-Gu, Seoul 135-710, Republic of Korea
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Aroian KJ, Peters RM, Rudner N, Waser L. Hypertension prevention beliefs of Hispanics. J Transcult Nurs 2012; 23:134-42. [PMID: 22294336 DOI: 10.1177/1043659611433871] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
PURPOSE This qualitative study used focus group methodology to explore attitudes and beliefs of Hispanics regarding hypertension prevention behaviors. METHOD The sample was composed of 17 participants from varied Hispanic backgrounds. The theory of planned behavior guided interview questions. FINDINGS Analysis indicated that participants were knowledgeable about and had a positive attitude toward preventing hypertension. However, they identified numerous barriers to preventive behaviors. Two key themes, limited resources (e.g., no time to prepare healthy meals or exercise) and cultural expectations and values (e.g., traditional food as a marker of ethnicity, hospitality, and affection; valuing social interaction over solitary exercise) summarized significant barriers to engaging in recommended preventive behaviors. DISCUSSION Findings suggest that literature about lack of knowledge about hypertension prevention in Hispanics may be outdated or not applicable to many Hispanics. Select resource and cultural barriers to engaging in hypertension prevention behaviors are important areas to target. IMPLICATIONS Exercise, stress reduction, and diet modification strategies for hypertension prevention among Hispanics should be consistent with the cultural norms regarding the importance of social interactions and leisure.
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Meng XJ, Dong GH, Wang D, Liu MM, Liu YQ, Zhao Y, Deng WW, Tian S, Meng X, Zhang HY. Epidemiology of Prehypertension and Associated Risk Factors in Urban Adults From 33 Communities in China. Circ J 2012; 76:900-6. [PMID: 22293448 DOI: 10.1253/circj.cj-11-1118] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xiu-Jun Meng
- Division of Neurology, Fourth Affiliated Hospital of China Medical University
| | - Guang-Hui Dong
- Department of Biostatistics and Epidemiology, School of Public Health, China Medical University
| | - Da Wang
- Department of Biostatistics and Epidemiology, School of Public Health, China Medical University
| | - Miao-Miao Liu
- Department of Biostatistics and Epidemiology, School of Public Health, China Medical University
| | - Yu-Qin Liu
- Department of Biostatistics and Epidemiology, School of Public Health, China Medical University
| | - Yang Zhao
- Department of Biostatistics and Epidemiology, School of Public Health, China Medical University
| | - Wei-Wei Deng
- Department of Geriatrics, First Affiliated Hospital of China Medical University
| | - Shen Tian
- Division of Neurology, Fourth Affiliated Hospital of China Medical University
| | - Xin Meng
- Department of Geriatrics, First Affiliated Hospital of China Medical University
| | - Hai-Yan Zhang
- Department of Geriatrics, First Affiliated Hospital of China Medical University
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Wu J, Yan WH, Qiu L, Chen XQ, Guo XZ, Wu W, Xia LY, Qin XZ, Liu YH, Ding HT, Han SM, Xu CL, Zhu GJ. High prevalence of coexisting prehypertension and prediabetes among healthy adults in northern and northeastern China. BMC Public Health 2011; 11:794. [PMID: 21988955 PMCID: PMC3208242 DOI: 10.1186/1471-2458-11-794] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2011] [Accepted: 10/12/2011] [Indexed: 11/25/2022] Open
Abstract
Background Prehypertension and prediabetes are major risk factors of cardiovascular disease, and their combined presence may result in more serious cardiovascular outcomes than expected with either prehypertension or prediabetes alone. The aim of the present study was to evaluate the prevalence of coexisting prehypertension and prediabetes, and the associated risk profiles in a Chinese population. Methods A cross-sectional survey in a representative sample of 3,595 men and 4,593 women aged 18 years and older was performed between 2008 and 2010. Prehypertension and prediabetes were diagnosed using the guidelines from the Seventh Report of the Joint National Committee on prevention, detection, and treatment of high blood pressure and American Diabetes Association, respectively. Prehypertension was defined as a systolic blood pressure of 120-139 mmHg and/or diastolic blood pressure of 80-89 mmHg, and prediabetes was defined as a fasting blood glucose of 5.6-6.9 mmol/L. Results The prevalence of coexisting prehypertension and prediabetes was 11.0%. Men had a higher prevalence of coexisting prehypertension and prediabetes than women (14.2% vs. 8.4%; P < 0.0001). This prevalence increased with age and body mass index, and was the lowest among Mongolian-Chinese (5.1%). A multivariate analysis showed that γ-glutamyltransferase and uric acid were significantly and positively correlated with body mass index, waist circumference, blood pressure, triglycerides, and total cholesterol, and negatively correlated with high density lipoprotein cholesterol in subjects with prehypertension and prediabetes. Conclusions There is a large proportion of Chinese adults with coexisting prehypertension and prediabetes. Thus, there is a need for more efforts that implement public health programs that target the earlier stages of hypertension and diabetes.
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Affiliation(s)
| | | | - Ling Qiu
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Bejing 100730, China
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Fiscella K, Winters P, Tancredi D, Franks P. Racial disparity in blood pressure: is vitamin D a factor? J Gen Intern Med 2011; 26:1105-11. [PMID: 21509604 PMCID: PMC3181312 DOI: 10.1007/s11606-011-1707-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2010] [Revised: 03/11/2011] [Accepted: 03/17/2011] [Indexed: 12/25/2022]
Abstract
BACKGROUND Higher prevalence of hypertension among African Americans is a key cause of racial disparity in cardiovascular morbidity and mortality. Explanations for the difference in prevalence are incomplete. Emerging data suggest that low vitamin D levels may contribute. OBJECTIVE To assess the contribution of vitamin D to racial disparity in blood pressure. DESIGN Cross-sectional analysis. PARTICIPANTS Adult non-Hispanic Black and White participants from the National Health and Nutrition Examination Survey 2001-2006. MEASURES We assessed Black-White differences in systolic blood pressure (SBP) controlling for conventional risk factors, and then additionally, for vitamin D (serum 25[OH]D). RESULTS The sample included 1984 and 5156 Black and White participants ages 20 years and older. The mean age-sex adjusted Black-White SBP difference was 5.2 mm Hg. This difference was reduced to 4.0 mm Hg with additional adjustment for socio-demographic characteristics, health status, health care, health behaviors, and biomarkers; adding 25(OH)D reduced the race difference by 26% (95% CI 7-46%) to 2.9 mm Hg. This effect increased to 39% (95% CI 14-65%) when those on antihypertensive medications were excluded. Supplementary analyses that controlled for cardiovascular fitness, percent body fat, physical activity monitoring, skin type and social support yielded consistent results. CONCLUSION In cross-sectional analyses, 25(OH)D explains one quarter of the Black-White disparity in SBP. Randomized controlled trials are required to determine whether vitamin D supplementation could reduce racial disparity in BP.
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Affiliation(s)
- Kevin Fiscella
- Department of Family Medicine, University of Rochester School of Medicine, Rochester, NY 14620, USA.
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Wakabayashi I. Alcohol intake and atherosclerotic risk factors in normotensive and prehypertensive men. Am J Hypertens 2011; 24:1007-14. [PMID: 21654854 DOI: 10.1038/ajh.2011.91] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The purpose of this study was to determine whether relationships between alcohol intake and atherosclerotic risk factors were different in normotensive and prehypertensive persons. METHODS Japanese men aged 35-60 years who showed normal blood pressure (n = 4,778) or prehypertension (n = 9,728) without any drug therapy for hypertension were divided into non, light (<22 g ethanol/day), heavy (≥ 22 and < 44 g ethanol/day) and very heavy (≥ 44 g ethanol/day) drinkers. RESULTS In subjects with prehypertension, body mass index (BMI) and waist circumference were significantly lower and smaller, respectively, in light, heavy and very heavy drinkers than in nondrinkers. In subjects with normal blood pressure, BMI was significantly lower in light and heavy drinkers but not in very heavy drinkers than in nondrinkers, and waist circumference was not significantly different in non, light and heavy drinkers and was significantly larger in very heavy drinkers than in nondrinkers. Both in the prehypertensive and normotensive groups, compared with nondrinkers, hemoglobin A(1C) and low-density lipoprotein (LDL) cholesterol were significantly lower and high-density lipoprotein (HDL) cholesterol was significantly higher in light, heavy and very heavy drinkers, and log-converted triglycerides was significantly higher in very heavy drinkers. CONCLUSIONS The association of alcohol intake with a lower occurrence of obesity is stronger in prehypertensives than in normotensives, while the associations of alcohol intake with lower occurrences of hyperglycemia and abnormal cholesterol profile, such as lowered HDL cholesterol and elevated LDL cholesterol, and a higher occurrence of elevated triglycerides are similar in normotensive and prehypertensive persons.
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Chen G, Lai X, Jiang Q, Chen F, Chen N, Huang H, Liang J, Li L, Wen J, Lin L, Yao J. Cardiovascular disease (CVD) risk, insulin resistance and β-cell function in prehypertension population of China. Atherosclerosis 2011; 217:279-85. [DOI: 10.1016/j.atherosclerosis.2011.03.030] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2010] [Revised: 03/19/2011] [Accepted: 03/21/2011] [Indexed: 10/18/2022]
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El-Eshmawy MM, El-Adawy EH, Mousa AA, Zeidan AE, El-Baiomy AA, Abdel-Samie ER, Saleh OM. Elevated serum neutrophil elastase is related to prehypertension and airflow limitation in obese women. BMC WOMENS HEALTH 2011; 11:1. [PMID: 21247478 PMCID: PMC3031240 DOI: 10.1186/1472-6874-11-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2010] [Accepted: 01/19/2011] [Indexed: 01/01/2023]
Abstract
BACKGROUND Neutrophil elastase level/activity is elevated in a variety of diseases such as atherosclerosis, systolic hypertension and obstructive pulmonary disease. It is unknown whether obese individuals with prehypertension also have elevated neutrophil elastase, and if so, whether it has a deleterious effect on pulmonary function. OBJECTIVES To determine neutrophil elastase levels in obese prehypertensive women and investigate correlations with pulmonary function tests. METHODS Thirty obese prehypertensive women were compared with 30 obese normotensive subjects and 30 healthy controls. The study groups were matched for age. MEASUREMENTS The following were determined: body mass index, waist circumference, blood pressure, lipid profile, high sensitivity C-reactive protein, serum neutrophil elastase, and pulmonary function tests including forced expiratory volume in one second (FEV1), forced vital capacity (FVC) and FEV1/FVC ratio. RESULTS Serum neutrophil elastase concentration was significantly higher in both prehypertensive (405.8 ± 111.6 ng/ml) and normotensive (336.5 ± 81.5 ng/ml) obese women than in control non-obese women (243.9 ± 23.9 ng/ml); the level was significantly higher in the prehypertensive than the normotensive obese women. FEV1, FVC and FEV1/FVC ratio in both prehypertensive and normotensive obese women were significantly lower than in normal controls, but there was no statistically significant difference between the prehypertensive and normotensive obese women. In prehypertensive obese women, there were significant positive correlations between neutrophil elastase and body mass index, waist circumference, systolic blood pressure, diastolic blood pressure, total cholesterol, triglyceride, low density lipoprotein cholesterol, high sensitivity C-reactive protein and negative correlations with high density lipoprotein cholesterol, FEV1, FVC and FEV1/FVC. CONCLUSION Neutrophil elastase concentration is elevated in obese prehypertensive women along with an increase in high sensitivity C-reactive protein which may account for dyslipidemia and airflow dysfunction in the present study population.
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Affiliation(s)
- Mervat M El-Eshmawy
- Internal Medicine Department, Specialized Medical Hospital, Faculty of Medicine, Mansoura University, Mansoura, Egypt.
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Body weight decreases induced by estradiol in female rhesus monkeys are dependent upon social status. Physiol Behav 2010; 102:382-8. [PMID: 21130792 DOI: 10.1016/j.physbeh.2010.11.031] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2010] [Revised: 11/25/2010] [Accepted: 11/29/2010] [Indexed: 11/22/2022]
Abstract
Gonadal steroids regulate appetite and thus body weight. In addition, continuous exposure to stressors negatively influences appetite through circuits likely distinct from those of gonadal steroids. The occurrence of adverse metabolic consequences due to chronic exposure to psychosocial stressors is twice as frequent in women as men, implicating a role for ovarian hormones, estradiol (E2) and progesterone (P4), in modulating stress-induced changes in appetite. Using social subordination in female macaques as a model of social stress, the current study tested the hypothesis that subordinate females would lose more weight during E2 treatment and gain less weight during P4 administration than dominant females. Because polymorphisms in the gene encoding the serotonin transporter (5HTT; SCL6A4) are known to alter responsivity to stress, we hypothesized that weight loss during E2 administration would be greatest in females with the short variant (s-variant) allele of 5HTT. Dominant females were significantly heavier than subordinate animals throughout the study, a result consistent with previous accounts of food intake when animals are fed a low-fat, high-fiber diet. Females with the s-variant 5HTT genotype weighed significantly less than l/l animals. Dominant animals lost significantly more weight than subordinate animals during E2 treatment. Administration of P4 blocked the weight-reducing effects of E2 in all females, regardless of social status. These data provide evidence that social subordination modulates the influence of ovarian steroid hormones on body weight in female rhesus monkeys independent of 5HTT genotype. Given the prosocial effects of these steroids, future studies are necessary to determine whether status differences in E2-induced weight loss are due to diminished food intake and or increases in energy expenditure and how the change in energy availability during E2 treatments relates to a female's motivation to interact with conspecifics.
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Liu LK, Peng LN, Chen LK, Hwang SJ, Chiou ST. Prehypertension Among Middle-Aged and Elderly People in Taiwan: A Five-Year Follow-Up. J Atheroscler Thromb 2010; 17:189-94. [DOI: 10.5551/jat.2832] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Differences in healthy lifestyle characteristics between adults with prehypertension and normal blood pressure. J Hypertens 2009; 27:955-62. [PMID: 19293725 DOI: 10.1097/hjh.0b013e32832926fb] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND Identifying differences in modifiable lifestyle factors between persons with prehypertension and normal blood pressure (BP) can help improve prevention efforts. METHODS Data from the 1999-2004 National Health and Nutrition Examination Survey were analyzed (in 2008) for persons aged at least 20 years (n = 11 194). Differences in five healthy lifestyle characteristics were examined by BP status (normal, prehypertension, and hypertension). Additionally, differences in lifestyle characteristics by sex, race/ethnicity, and education among those with prehypertension were analyzed. RESULTS Overall, 32.8% of adults had a normal BMI, 75.3% did not smoke, 31.3% were regularly physically active, 57.7% were moderate drinkers or nondrinkers, and 28.1% had a low sodium intake; only 2% had all five characteristics. Almost 40% had a normal BP and 30.3% were prehypertensive. Those with prehypertension were less likely to have a normal BMI than normotensive individuals [adjusted odds ratio (OR) = 0.63, 95% confidence interval (CI) = 0.56-0.70], to be regularly active (adjusted OR = 0.85, 95% CI = 0.74-0.98), and to moderately/not drink (adjusted OR = 0.88, 95% CI = 0.80-0.97). Those with prehypertension or hypertension were less likely to have at least three or four healthy lifestyle characteristics compared with those with normal BP. Among 3168 persons with prehypertension, some sex, race/ethnic, and education level differences in the prevalence of healthy lifestyles were observed. CONCLUSION Differences in healthy lifestyle factors were observed by BP status, but the prevalence of healthy lifestyle factors is suboptimal among the population as a whole.
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Toprak A, Wang H, Chen W, Paul T, Ruan L, Srinivasan S, Berenson G. Prehypertension and black-white contrasts in cardiovascular risk in young adults: Bogalusa Heart Study. J Hypertens 2009; 27:243-50. [PMID: 19226697 DOI: 10.1097/hjh.0b013e32831aeee3] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE The aim of this study was to examine the association of prehypertension with measures of cardiovascular disease risk in a biracial (black-white) population of young adults. METHODS As part of the Bogalusa Heart Study, echocardiography and carotid ultrasonography were performed along with cardiovascular risk factor measurements in 1379 young adult participants (age range 20-44 years, average 36 years; 43% men, 70% white). Participants were categorized as normotensives (60%), prehypertensives (27%) and hypertensives (13%). RESULTS The prevalence of prehypertension was significantly higher among men than women (35 vs. 22%) and among blacks than whites (29 vs. 27%). Compared with normotensives, prehypertensives had a greater adverse cardiovascular risk factor profile. Male sex and BMI equally and significantly contributed to the prehypertension status in both whites [odds ratio (OR) and 95% confidence interval 2.66 (1.88-3.74) and 1.10 (1.07-1.14)] and blacks [OR: 2.56 (1.51-4.33) and 1.05 (1.01-1.09)]. Additionally, prehypertensives compared with normotensives had significantly higher left ventricular (LV) mass index, LV internal diameter, and carotid artery intima-media thickness. CONCLUSION The condition of prehypertension in young adults shows men>women and black women>white women, and participants with prehypertension already have adverse profiles of risk factors and indices of subclinical cardiovascular disease. A greater percentage of blacks at a relatively young age fall into the hypertensive category. These findings underscore the need for aggressive management of cardiovascular risk in youth at levels below those considered as hypertension.
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Affiliation(s)
- Ahmet Toprak
- Tulane Center for Cardiovascular Health, New Orleans, Louisiana 70112, USA
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Prevalence of prehypertension and associated risk factors in a rural Taiwanese adult population. Int J Cardiol 2009; 144:269-73. [PMID: 19223086 DOI: 10.1016/j.ijcard.2009.01.045] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2009] [Accepted: 01/20/2009] [Indexed: 11/22/2022]
Abstract
BACKGROUND The Joint National Committee on the Prevention, Detection, Evaluation, and Treatment of High Blood Pressure has recently introduced the prehypertension category of blood pressure status that needs monitoring and intervention. This study aimed to assess the prevalence of prehypertension and its associated risks in rural Taiwan. METHODS From community-based cross-sectional data of 6204 adults (2650 men and 3554 women) who received general health examination in the Chi-Shan district in rural Taiwan, collected between 2002 and 2007, we analyzed and compared the blood pressure and demographic, metabolic, and behavior characteristics of prehypertensive and normotensive subjects. Multiple logistic regression methods were used to identify risk factors for prehypertension. RESULTS Within the study population, 3354 had hypertension, 1875 had prehypertension, and 975 had normal blood pressure. The prehypertensive subjects were older, had higher body mass index (BMI), and had higher blood glucose, total cholesterol, triglycerides, and uric acid levels than did the normotensive group. Multivariate logistic regression analysis revealed that BMI was the strongest predictor of prehypertension in both men and women (OR=1.102, 95% CI=1.054-1.152, P<0.001; and OR=1.121, 95% CI=1.085-1.159, P<0.001, respectively). CONCLUSIONS The prevalence of prehypertension is high among adults in rural Taiwan and it was associated with many risk factors for further hypertension and cardiovascular disease. Early lifestyle modifications, such as healthy diet, optimal weight control, and exercise are recommended interventions.
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Abstract
PURPOSE We aimed to estimate the prevalence of prehypertension and to identify its risk factors among Chinese adults. METHODS A cross-sectional survey in a nationally representative sample of 15,540 Chinese adults aged 35 to 74 years was conducted during 2000 and 2001. Body weight, height, waist circumference, and blood pressure were measured by trained observers. RESULTS Overall, 21.9% of Chinese adults had prehypertension. The prevalences were 25.7% and 18.0% in men and in women, respectively. The prevalences of prehypertension were higher among residents in northern China compared with their counterparts in southern China. The prehypertensive group had higher levels of blood glucose, total cholesterol, low-density lipoprotein cholesterol, and triglycerides, higher body mass index, and lower levels of high-density lipoprotein cholesterol than did the normotensive group. Of note, prehypertension was high among men and women who were overweight, as well as with central obesity (38.4% and 27.8%, respectively, for overweight and 37.8% and 25.9%, respectively, for central obesity). Multivariate analysis revealed that increased body mass index, waist circumference, and rural and northern residence were associated with prehypertension. High odds ratios of prehypertension were found in overweight and central obese adults. CONCLUSION The fact that a large proportion of Chinese adults have prehypertension, a major precursor of hypertension, warrants more efforts to implement national programs of prevention and control of hypertension and excessive weight, especially in rural and northern China, to reduce the societal burden of hypertension in China.
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Abdominal obesity, hypertriglyceridemia, hypertriglyceridemic waist phenotype and risk of type 2 diabetes in American adults. Diabetes & Metabolic Syndrome: Clinical Research & Reviews 2008. [DOI: 10.1016/j.dsx.2008.04.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Onat A, Yazici M, Can G, Kaya Z, Bulur S, Hergenc G. Predictive value of prehypertension for metabolic syndrome, diabetes, and coronary heart disease among Turks. Am J Hypertens 2008; 21:890-5. [PMID: 18551102 DOI: 10.1038/ajh.2008.212] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Predictors of prehypertension and the latter's significance in predicting metabolic syndrome (MetS), type 2 diabetes (DM), and incident coronary heart disease (CHD) need further exploration. METHODS Individuals with or without prehypertension (blood pressure (BP) 120-139 systolic or 80-89 mm Hg diastolic) were studied prospectively in a representative sample of Turkish adults. RESULTS Mean age of 1,501 men and 1,533 women was 48 +/- 12 years at baseline. Prehypertension, identified in 32.8% of the sample, differed from the normotensive group mainly by age-adjusted obesity measures and C-reactive protein (CRP) and progressed to hypertension at more than twofold annual incidence as normotension did. In logistic regression analysis, adjusted for sex, age, heart rate, and smoking status, prehypertension was predictive for risk of MetS in both genders (relative risk (RR) 1.55 (95% confidence interval (CI) 1.21; 1.99)) compared with normotensives. However, DM and CHD were significantly predicted by prehypertension only in women (RR 2.06 and 1.98, respectively, for outcomes). Cardiometabolic risks in women were largely independent of obesity. Body mass index (BMI) at baseline predicted significantly subsequent development of new prehypertension in both genders (hazard ratio 1.39 (95% CI 1.17; 1.65)) and CRP tended to contribute to this risk. CONCLUSIONS Prehypertension, compared with normotension, approximately doubles the risk for DM, MetS, and CHD in women without conferring substantial risk in Turkish men, except toward MetS. Excess cardiometabolic risk of prehypertension in women is independent of obesity. BMI is a determinant of prehypertension.
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Sarno F, Monteiro CA. [Relative importance of body mass index and waist circumference for hypertension in adults]. Rev Saude Publica 2008; 41:788-96. [PMID: 17923900 DOI: 10.1590/s0034-89102007000500013] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2006] [Accepted: 05/28/2007] [Indexed: 01/13/2023] Open
Abstract
OBJECTIVE To assess the relative importance of Body Mass Index (BMI) and waist circumference for the determination of hypertension in adults. METHODS Cross sectional analysis of a sample of employees (N=1,584), aged 18 to 64 years, from a private general hospital in the city of São Paulo, Brazil. Data collection included the application of a structured questionnaire and blood pressure, weight, high, and waist circumference measurements. Hypertension was defined as blood pressure levels >or= 140/90 mmHg or reported use of anti-hypertensive medication. The relative importance of BMI and waist circumference was evaluated by calculating the attributable fraction of hypertension corresponding to each anthropometric indicator, employing both the usual cut-off points as well as cut-off points based on the observed distribution of the indicator in the population. In addition, an indicator combining simultaneously BMI and abdominal circumference values was also developed. RESULTS Prevalence of hypertension was 18.9% (26.9% in men and 12.5% in women). In men, the fraction of hypertension attributable to BMI exceeded the fraction attributable to waist circumference based on the usual cut-off points for the indicators (56% vs. 48%, respectively) and also considering the quartiles of the observed distribution for these indicators (73% vs. 69%, respectively). In women, the fraction of hypertension attributable to waist circumference was slightly higher than the fraction attributable to BMI based on the usual cut off points for both indicators (44% vs. 41%), but the reverse was true when quartiles of the observed distribution were used (41% vs. 57%, respectively). In women only, the fraction of hypertension attributable to the indicator combining BMI and waist circumference (64%) was higher that observed using each indicator alone. CONCLUSIONS Both BMI and abdominal circumference were positively and independently associated with the occurrence of arterial hypertension, the influence of BMI being higher among men.
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Affiliation(s)
- Flávio Sarno
- Departamento de Nutrição, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, SP, Brasil
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Nationwide survey of prevalence and risk factors of prehypertension and hypertension in Iranian adults. J Hypertens 2008; 26:419-26. [PMID: 18300850 DOI: 10.1097/hjh.0b013e3282f2d34d] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
OBJECTIVE The aim of this study was to estimate the prevalence and risk factors of prehypertension (Pre-HTN) and hypertension (HTN) among the adult population of Iran. METHODS A nationwide cross-sectional survey was conducted from December 2004 to February 2005. The selection was conducted by stratified probability cluster sampling through household family members in Iran. Blood pressure (BP) and associated risk factors of 35 048 men and 34 674 women aged 25-65 years (mean 44.1 years) were measured. RESULTS The prevalence of Pre-HTN was 59.6% in men and 44.5% in women; and 19.8% of men and 26.9% of women were hypertensive, according to Joint National Committee 7 criteria. Pre-HTN was more common among men whereas HTN was more common among women. Multivariate analysis revealed that age, overweight, obesity, abdominal obesity and high cholesterol were strongly associated with Pre-HTN in both genders. In women, low educational attainment, residence in an urban area and high blood glucose were also associated with Pre-HTN. Age, low educational attainment, overweight, obesity, abdominal obesity and high cholesterol and blood glucose were strongly associated with HTN in both genders. CONCLUSION Pre-HTN and HTN appear to be quiet common in Iran and were associated with obesity. More men than women present with Pre-HTN, whereas more women than men present with HTN. Prevention and treatment strategies are urgently needed to address the health burden of Pre-HTN and HTN and to prevent prehypertensive people from developing HTN and cardiovascular disease.
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Should obesity be blamed for the high prevalence rates of hypertension in black South African women? J Hum Hypertens 2008; 22:528-36. [PMID: 18432254 DOI: 10.1038/jhh.2008.35] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Hypertension is highly prevalent in South Africa, resulting in high stroke mortality rates. Since obesity is very common among South African women, it is likely that obesity contributes to the hypertension prevalence. The aims were to determine whether black African women have higher blood pressures (BPs) than Caucasian women, and whether obesity is related to their cardiovascular risk. African (N=102) and Caucasian (N=115) women, matched for age and body mass index, were included. Correlations between obesity (total body fat, abdominal obesity and peripheral fat) and cardiovascular risk markers (haemodynamic parameters, lipids, inflammatory markers, prothrombotic factors, adipokines, HOMA-IR (homoeostasis model assessment insulin resistance)) were compared between the ethnic groups (adjusted for age, smoking, alcohol and physical activity). Comparisons between low- and high-BP groups were also made for each ethnic group. Results showed that African women had higher BP (P<0.01) with increased peripheral vascular resistance. Surprisingly, African women showed significantly weaker correlations between obesity measures and cardiovascular risk markers when compared to Caucasian women (specifically systolic BP, arterial resistance, cardiac output, fibrinogen, plasminogen activator inhibitor-1, leptin and resistin). Interestingly, the latter risk markers were also not significantly different between low- and high-BP African groups. African women, however, presented significant correlations of obesity with triglycerides, C-reactive protein and HOMA that were comparable to the Caucasian women. Although urban African women have higher BP than Caucasians, their obesity levels are weakly related to traditional cardiovascular risk factors compared to Caucasian women. The results, however, suggest a link with the development of insulin resistance.
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PAPADOPOULOS DP, MAKRIS TK, PAPADEMETRIOU V. Is It Time to Treat Prehypertension? Hypertens Res 2008; 31:1681-6. [DOI: 10.1291/hypres.31.1681] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Affiliation(s)
- Kyung-Soon Hong
- Division of Cardiology, Department of Internal Medicine, Chuncheon Sacred Heart Hospital, College of Medicine, Hallym University, Chuncheon, Korea
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Aiyer AN, Kip KE, Mulukutla SR, Marroquin OC, Hipps L, Reis SE. Predictors of significant short-term increases in blood pressure in a community-based population. Am J Med 2007; 120:960-7. [PMID: 17976423 DOI: 10.1016/j.amjmed.2007.06.021] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2007] [Revised: 06/05/2007] [Accepted: 06/18/2007] [Indexed: 10/22/2022]
Abstract
BACKGROUND Blood pressure predicts the risk of cardiovascular disease events in a linear, graded manner. Factors associated with significant short-term increases in blood pressure are not well established. We aimed to identify predictors of a significant increase in blood pressure over a 1-year period among nonhypertensive, community-dwelling adults. METHODS From the community-based Heart Strategies Concentrating on Risk Evaluation study, 509 nonhypertensive adults (mean age 58 years; 68% were female; 24% were black) had baseline and 1-year assessments of blood pressure. Demographics, medical history, anthropometrics, lipids/lipoproteins, physical activity, and psychologic status were measured at both intervals. A "significant" increase in blood pressure was defined as an increase in systolic blood pressure of greater than 20 mm Hg, diastolic blood pressure of greater than 10 mm Hg, or initiation of antihypertensive medication. RESULTS At 1 year, 22% of participants had a significant increase in blood pressure. In multivariable analysis, baseline body mass index (BMI) and a greater than 5% increase in weight or waist circumference were associated with a significant increase in blood pressure (adjusted relative risk 2.09; 95% confidence interval, 1.35-3.21). The adverse effect of an increase in weight and waist circumference on blood pressure was evident in subgroup analyses by age, race, baseline BMI, and regular exercise. CONCLUSIONS Baseline BMI and a greater than 5% increase in weight or waist circumference over 1 year are associated with a significant increase in blood pressure. These data emphasize the need for weight maintenance. They also serve to stratify individuals who may benefit from close clinical observation and preventive intervention.
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Affiliation(s)
- Aryan N Aiyer
- The Cardiovascular Institute, University of Pittsburgh, University Center, Pittsburgh, Pa 15213, USA.
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Abstract
Prehypertension--blood pressure between 120-139/80-89 mmHg--is a major public health concern. The condition is very prevalent (especially in obese young people), is often associated with other cardiovascular risk factors and independently increases the risk of hypertension and subsequent cardiovascular events. In the general population, prehypertension can be lowered, but not often reliably, by lifestyle modifications. Drug therapy for prehypertension is not yet recommended, except for individuals with diabetes, chronic kidney disease, and perhaps known coronary artery disease, because of short-term cost considerations and unproven long-term benefits. Ongoing research will probably identify which individuals with blood pressures in the prehypertensive range, but with no serious comorbidities, would benefit from treatment. In this Review, we attempt to summarize the recently published data concerning the epidemiology, attendant risks and potential treatment options for this important and growing public-health problem.
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Affiliation(s)
- William J Elliott
- Department of Preventive Medicine, RUSH Medical College, RUSH University Medical Center, Chicago, IL 60612, USA.
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Fernander AF, Shavers VL, Hammons GJ. A biopsychosocial approach to examining tobacco-related health disparities among racially classified social groups. Addiction 2007; 102 Suppl 2:43-57. [PMID: 17850613 DOI: 10.1111/j.1360-0443.2007.01954.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
AIMS To articulate a broader, multi-causal model that incorporates psychosocial and environmental factors that can differ systematically across racially classified social groups (RCSGs) and impact biological pathways related to the development of tobacco-related diseases. METHODS This paper is built upon a review of the existing scientific literature on selected biopsychosocial factors (diet/nutrition, obesity, alcoholic intake, psychosocial stress, occupational/environmental exposures and exposure to other diseases and illnesses) and tobacco use in examining the biological contributions to differences in tobacco-related health outcomes among RCSGs. FINDINGS Recent work has focused on RCSG genetic variations as a possible explanation for differences in tobacco-related health disparities. It is argued in this paper that, given the genetic heterogeneity 'within' RCSGs, it is unlikely that across RCSG genetic variations are likely to be the major source of differences impacting biological pathways in tobacco-related health outcomes. The evidence shows that results, even at the level of within-population genetic variations, have been limited and often inconsistent. A conceptual framework is proposed to account for biological pathways related to the development of tobacco-related diseases. CONCLUSIONS Determinants of tobacco-related health disparities are not understood clearly. The contribution of biological factors may be important. Current efforts to determine biological differences in tobacco use and related diseases among RCSGs have focused primarily on genetic variations. However, this approach has limitations. An alternative biopsychosocial framework that examines the potential biological mechanisms through which life experiences and behavior might affect tobacco use and health outcomes in these population groups is needed, including those of life-style (e.g. diet/nutrition, obesity, physical exercise, alcohol consumption), psychosocial (e.g. stress and coping), occupational/environmental exposures and the presence of other diseases/illnesses.
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Affiliation(s)
- Anita F Fernander
- Behavioral Science Department, College of Medicine, University of Kentucky, Lexington, KY, USA
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Agyemang C, Owusu-Dabo E. Prehypertension in the Ashanti region of Ghana, West Africa: an opportunity for early prevention of clinical hypertension. Public Health 2007; 122:19-24. [PMID: 17825331 DOI: 10.1016/j.puhe.2007.04.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2006] [Revised: 04/10/2007] [Accepted: 04/25/2007] [Indexed: 01/05/2023]
Abstract
OBJECTIVE To assess prehypertension among Ghanaian adults in the Ashanti region of Ghana, West Africa. DESIGN Cross-sectional study. PARTICIPANTS There were 1431 participants aged 18 years or more. Prehypertension was defined as blood pressure of 120-139/80-89 mmHg. MAIN OUTCOME MEASURES Prehypertension. RESULTS Overall, 31% of the study population were normotensive, 40% were prehypertensive and 29% were hypertensive. Prehypertension was more common in non-hypertensive males than non-hypertensive females (66% vs 49%, P<0.001). Prehypertension was also more common in those aged 35 years compared with those aged <35 years (P<0.001), and in overweight and obese people compared with people of normal weight (P=0.03). In a multivariate logistic regression model, male sex [odds ratio (OR) 2.36; 95% confidence interval (CI) 1.77-3.15; P<0.001], age 35-49 years (OR 1.56; 95% CI 1.12-2.18; P<0.01) and 50 years (OR 2.13; 95% CI 1.33-3.42; P=0.002)], overweight (OR 1.61; 95% CI 1.09-2.36; P=0.02) and obesity (OR 2.71; 95% CI 1.40-5.24; P=0.003) were independently associated with higher odds of prehypertension, whilst current smoking (OR 0.36; 95% CI 0.16-0.81; P=0.01) was associated with lower odds of prehypertension. CONCLUSION Prehypertension is very common among non-hypertensive subjects in the Ashanti region of Ghana. As a large proportion of people with prehypertension will progress to clinical hypertension, targeting these people early with lifestyle modifications such as weight reduction may provide important long-term benefits.
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Affiliation(s)
- Charles Agyemang
- Department of Social Medicine, Academic Medical Centre, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands.
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Chien KL, Hsu HC, Sung FC, Su TC, Chen MF, Lee YT. Incidence of hypertension and risk of cardiovascular events among ethnic Chinese: report from a community-based cohort study in Taiwan. J Hypertens 2007; 25:1355-61. [PMID: 17563555 DOI: 10.1097/hjh.0b013e3280d94313] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Hypertension confers risk on cardiovascular events; however, less is known concerning hypertension incidence among ethnic Chinese. The effect of prehypertension on new onset of hypertension and cardiovascular events is also unknown. OBJECTIVES To investigate the incidence of hypertension, risk factors and cardiovascular events in Taiwan. DESIGN A prospective community-based cohort design. SETTING AND PARTICIPANTS The Chin-Shan Community Cardiovascular Cohort consisted of 1703 men and 1899 women aged 35 years old and above, of homogeneous Chinese ethnicity, from 1990 to 2005. MAIN OUTCOME MEASURES Hypertension incidence rates, cardiovascular events. RESULTS The patterns of adjusted cumulative incidence probability were curvilinear, increasing from 1% in the first period to 27% in the fourth period in normotensive subjects. The patterns among pre-hypertensives were from 4% in the first period to 59% in the fourth period. Women had an 18% lower risk of developing hypertension than men. The survival curves were distinctly different for different blood pressure categories (P < 0.001). Baseline blood pressure categories played important roles in predicting cardiovascular risks; the hazard risks of prehypertension and hypertension increased from 1.73 to 4.52, compared with baseline normotensive subjects. CONCLUSION The hypertension incidence rates among ethnic adult Chinese were high and were associated with obesity and metabolic syndrome status. Furthermore, the baseline prehypertension elicited significant risk of cardiovascular events in the community.
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Affiliation(s)
- Kuo-Liong Chien
- Institute of Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan
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Stecker T, Fortney JC, Steffick DE, Prajapati S. The triple threat for chronic disease: obesity, race, and depression. PSYCHOSOMATICS 2007; 47:513-8. [PMID: 17116953 DOI: 10.1176/appi.psy.47.6.513] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The authors investigated the interrelationships between race, obesity, depression, and chronic disease by abstracting data from all primary-care patients seen at a family-medicine clinic over a 3-year period. A total of 8,197 patients were included in the analysis. Sixty-three percent of patients were either overweight (26%) or obese (37%). African-American race, obesity, and having a diagnosis of depression each independently and significantly increased the likelihood of having a chronic disease. Also, these risk factors interacted to create an increased likelihood of disease prevalence. Thus, obesity, race, and depression interacted to create a "triple threat" of developing certain chronic diseases.
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Affiliation(s)
- Tracy Stecker
- Veterans Affairs Health Services Research and Development (HRS&D) Center for Mental Health and Outcomes Research, Central Arkansas Veterans Healthcare System, North Little Rock, AR 72114, USA.
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Alexander KP, Chen AY, Newby LK, Schwartz JB, Redberg RF, Hochman JS, Roe MT, Gibler WB, Ohman EM, Peterson ED. Sex Differences in Major Bleeding With Glycoprotein IIb/IIIa Inhibitors. Circulation 2006; 114:1380-7. [PMID: 16982940 DOI: 10.1161/circulationaha.106.620815] [Citation(s) in RCA: 195] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background—
Glycoprotein (GP) IIb/IIIa inhibitors are beneficial in patients with non–ST-segment elevation acute coronary syndromes (NSTE ACS); their safe use in women, however, remains a concern. The contribution of dosing to the observed sex-related differences in bleeding is unknown.
Methods and Results—
We explored the relationship between patient sex, GP IIb/IIIa inhibitor use, dose, and bleeding in 32 601 patients with NSTE ACS across 400 CRUSADE (Can Rapid risk stratification of Unstable angina patients Suppress ADverse outcomes with Early implementation of the ACC/AHA guidelines) hospitals, of whom 18 436 were treated. GP IIb/IIIa inhibitor dose was defined as excessive if not reduced when creatinine clearance was <50 mL/min for eptifibatide or <30 mL/min for tirofiban. Major bleeding was defined as a hematocrit drop ≥0.12, need for transfusion, or intracranial bleeding. Major bleeding was adjusted for clinical factors and antithrombotic dose. The risk for bleeding attributable to excess GP IIb/IIIa dose was determined by sex using prevalence and adjusted odds ratios (ORs). Women had higher rates of major bleeding than men among those treated with GP IIb/IIIa inhibitors (15.7% versus 7.3%,
P
<0.0001) and among those not treated (8.5% versus 5.4%,
P
<0.0001). Despite similar serum creatinine levels, creatinine clearance averaged 20 points lower among treated women than men. Treated women were also more likely to receive excess GP IIb/IIIa doses than men (46.4% versus 17.2%,
P
<0.0001; adjusted OR 3.81, 95% confidence interval [CI] 3.39 to 4.27). Excess dosing was associated with increased risk of bleeding in women (OR 1.72, 95% CI 1.30 to 2.28) and men (OR 1.27, 95% CI 0.97 to 1.66); however, bleeding risk attributable to dosing was much higher in women (25.0% versus 4.4%).
Conclusions—
Women experience more bleeding than men whether or not they are treated with GP IIb/IIIa inhibitors; however, because of frequent excessive dosing in women, up to one fourth of this sex-related risk difference in bleeding is avoidable. Appropriate dosing will improve care of all patients with NSTE ACS, with a particular benefit for women.
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Affiliation(s)
- Karen P Alexander
- Duke Clinical Research Institute, Duke University Medical Center, Durham, NC 27715, USA.
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