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《Clinical and experimental hypertension (New York, N.Y. : 1993)》2013,35(5):328-333
To investigate the prevalence, self-awareness, and treatment of hypertension in Lhasa, Tibet, a total of 1370 native Tibetan aged ≥18 years were selected, using stratified proportional sampling. The study showed that the prevalence of hypertension was 51.2%, significantly higher in men (56.0%) than in women (48.0%) (P = .004). The hypertension prevalence increased with increasing age (77.8% in 60–74 y and 82.5% in ≥75 y groups) and was higher in urban, suburban, or agricultural area than in pastoral area (P < .001). The self-awareness, treatment, and control rate of hypertension were 63.5%, 24.3% and 7.7%, respectively. In multivariable regression analysis, age, urban residence, amount of daily intake of fat and oil, and body mass index <18.5 kg/m2 were independently associated with hypertension. In conclusion, hypertension was highly prevalent among native Tibetan people in Lhasa, and the rates of self-awareness, treatment, and control of hypertension were low. 相似文献
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BACKGROUND: Hypertension is an important cause of cardiovascular morbidity and mortality. METHODS AND RESULTS: We conducted a cross-sectional survey of 314 middle-aged subjects (163 men; age range 40-60 years, mean 49 years) in urban Thiruvananthapuram City. Kerala, to estimate the prevalence of hypertension, examine its correlates, and assess the degree of awareness, treatment, and control of high blood pressure. Blood pressure was measured by a nurse graduate using a mercury column sphygmomanometer and a standardized technique. We used multivariable analyses to examine the sociodemographic and clinical correlates of hypertension. The overall prevalence of hypertension in our sample was 54.5% (men 56.3%, women 52.3%). The factors associated with an increased prevalence of hypertension were higher body-mass index (odds ratio for a value in the top tertile of 2.33, 95% confidence interval: 1.2-4.4), and older age (odds ratio for the age group 55-60 years of 2.65, 95% confidence interval: 1.3-5.6). An occupation involving moderate or greater physical activity was inversely associated with the prevalence of hypertension (odds ratio 0.35, 95% confidence interval 0.13-0.94). Among hypertensives, 39% were aware of the condition, while 29% were treated with blood pressure-lowering medications. Adequate control of elevated blood pressure was achieved in only 30.6% of treated hypertensives. In our community-based sample, over half of all middle-aged individuals were hypertensive, but less than a third were under treatment. Adequate control of hypertension was achieved in less than a third of the treated individuals. CONCLUSIONS: These observations re-emphasize the need for hypertension awareness programs targeting the general public and the increased use of opportunistic blood pressure screening, and underscore the importance of measures to increase the knowledge of current guidelines for the detection and treatment of hypertension among healthcare providers. 相似文献
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M. Maes K. Mommen D. Hendrickx D. Peeters P. D'Hondt R. Ranjan F. De Meyer & S. Scharpe 《Clinical endocrinology》1997,46(5):587-598
OBJECTIVEThere are few detailed studies of annual or seasonal variations in hormone concentrations in man. This study examines the components of biological variation, including seasonality, in plasma TSH, total T3 (TT3), free T4 (FT4), PRL, cortisol and testosterone in healthy volunteers. DESIGNMonthly blood samplings for the assay of the above hormones were collected during one calendar year. SUBJECTSThirteen normal men and 13 normal women participated in the present study (mean age 38.7 ± 13.4 years). MEASUREMENTSAssays of TSH, TT3 and FT4 were carried out by means of Immunoradiometric assays (IRMA), PRL by ELISA, cortisol by a fluorescence immunoassay, and testosterone with RIA. The time series were analysed by means of (bivariate or multivariate) spectral and cosinor analyses. RESULTSSignificant annual, four-monthly and biannual rhythms were detected in serum TSH; the lowest TSH values were observed in spring. A significant annual rhythm was detected in TT3, with lower values in spring and summer than in the other seasons. The peak–trough differences in the yearly variation expressed as a percentage of the mean were 29.1% and 8.2% for TSH and TT3, respectively. The yearly variation in plasma cortisol was significantly different between men and women: in men, 5.9% of the variation was explained by an annual rhythm, while in women 14.7% was explained by the fourth and seventh harmonical wave. The peak–trough differences in the yearly variation in plasma cortisol were 17.6% and 31.8% in men and women, respectively. There were no significant seasonal rhythms in PRL, FT4 or testosterone. The intraindividual/interindividual CV values were: TSH 29.3/48.4%, TT3 9.4/18.5%, FT4 7.1/9.1%, PRL 39.2/65.0%, cortisol 21.7/46.2%, and testosterone 12.6/40.8%. CONCLUSIONSThe degree of individuality measured in the plasma hormones is such that conventional population-based reference ranges may not correctly identify major alterations in these hormones in individual subjects. 相似文献
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Punjabi NH Taylor WR Murphy GS Purwaningsih S Picarima H Sisson J Olson JG Baso S Wangsasaputra F Lesmana M Oyofo BA Simanjuntak CH Subekti D Corwin AL Richie TL 《The American journal of tropical medicine and hygiene》2012,86(1):46-51
We conducted a prospective, inpatient fever study in malaria-endemic Papua, Indonesia to determine non-malaria fever etiologies. Investigations included malaria blood films, blood culture, paired serologic samples analysis for dengue, Japanese encephalitis, leptospirosis, scrub typhus, murine typhus, and spotted fever group rickettsia. During 1997-2000, 226 patients (127 males and 99 females) 1-80 years of age (median age = 25 years) were enrolled. Positive blood cultures (n = 34, 15%) were obtained for Salmonella Typhi (n = 13), Escherichia coli (n = 8), Streptococcus pneumoniae (n = 6), Staphylococcus aureus (n = 5), Streptococcus pyogenes (n = 1), and Klebsiella pneumoniae (n = 1). Twenty (8.8%) patients were positive for leptospirosis by polymerase chain reaction. Eighty (35.4%) of 226 patients had ≥ 1 positive serology, diagnostic for 15 rickettsial and 9 dengue cases. Acid-fast bacilli-positive sputum was obtained from three patients. Most common confirmed (81 of 226, 35.8%)/suspected diagnoses were typhoid fever (n = 41), pneumonia (n = 29), leptospirosis (n = 28), urinary tract infections (n = 20), rickettsioses (n = 19), dengue (n = 17), and meningitis/encephalitis (n = 15). There were 17 deaths, 7 (46.7%) were caused by meningitis/encephalitis. Multiple positive serologic results and few confirmed diagnoses indicate the need for improved diagnostics. 相似文献
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Cappuccio FP Micah FB Emmett L Kerry SM Antwi S Martin-Peprah R Phillips RO Plange-Rhule J Eastwood JB 《Hypertension》2004,43(5):1017-1022
Hypertension and stroke are important threats to the health of adults in sub-Saharan Africa. Nevertheless, detection of hypertension is haphazard and stroke prevention targets are currently unattainable. Prevalence, detection, management, and control of hypertension were assessed in 1013 men (n=385) and women (n=628), both aged 55 [SD 11] years, living in 12 villages in Ashanti, Ghana. Five hundred thirty two lived in semi-urban and 481 in rural villages. The participants underwent measurements of height, weight, and blood pressure (BP) and answered a detailed questionnaire. Hypertension was defined as BP > or =140 and/or > or =90 mm Hg or being on drug therapy. Women were heavier than men. Participants in semi-urban areas were heavier and had higher BP (129/76 [26/14] versus 121/72 [25/13] mm Hg; P<0.001 for both) than in rural areas. Prevalence of hypertension was 28.7% overall and comparable in men and women, but higher in semi-urban villages (32.9% [95% CI 28.9 to 37.1] versus 24.1% [20.4 to 28.2]), and increased with age. Detection rate was lower in men than women (13.9% versus 27.3%; P=0.007). Treatment and control rates were low in both groups (7.8% and 4.4% versus 13.6% and 1.7%). Detection, treatment, and control rates were higher in semi-urban (25.7%, 14.3%, and 3.4%) than in rural villages (16.4%, 6.9%, and 1.7%). Hypertension is common in adults in central Ghana, particularly in urban areas. Detection rates are suboptimal in both men and women, especially in rural areas. Adequate treatment of high BP is at a very low level. There is an urgent need for preventive strategies on hypertension control in Ghana. 相似文献
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Gu D Reynolds K Wu X Chen J Duan X Muntner P Huang G Reynolds RF Su S Whelton PK He J;InterASIA Collaborative Group. The International Collaborative Study of Cardiovascular Disease in ASIA 《Hypertension》2002,40(6):920-927
The objective of this study was to estimate the prevalence and distribution of hypertension and to determine the status of hypertension awareness, treatment, and control in the general adult population in China. The International Collaborative Study of Cardiovascular Disease in ASIA (InterASIA), conducted in 2000-2001, used a multistage cluster sampling method to select a nationally representative sample. A total of 15 540 adults, age 35 to 74 years, were examined. Three blood pressure measurements were obtained by trained observers by use of a standardized mercury sphygmomanometer after a 5-minute sitting rest. Information on history of hypertension and use of antihypertensive medications was obtained by use of a standard questionnaire. Hypertension was defined as a mean systolic blood pressure > or =140 mm Hg, diastolic blood pressure > or =90 mm Hg, and/or use of antihypertensive medications. Overall, 27.2% of the Chinese adult population age 35 to 74 years, representing 129 824 000 persons, had hypertension. The age-specific prevalence of hypertension was 17.4%, 28.2%, 40.7%, and 47.3% in men and 10.7%, 26.8%, 38.9%, and 50.2% in women age 35 to 44 years, 45 to 54 years, 55 to 64 years, and 65 to 74 years, respectively. Among hypertensive patients, only 44.7% were aware of their high blood pressure, 28.2% were taking antihypertensive medication, and 8.1% achieved blood pressure control (<140/90 mm Hg). Our results indicate that hypertension is highly prevalent in China. The percentages of those with hypertension who are aware, treated, and controlled are unacceptably low. These results underscore the urgent need to develop national strategies to improve prevention, detection, and treatment of hypertension in China. 相似文献
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Globally, thalassemia is the most common hereditary hemoglobinopathy, and occurs in 4.4/10,000 live births. In the developing world, the majority of patients die before the age of 20 years. In Iraq, there is little data on the epidemiology and burden of thalassemia. The objectives of this study were to determine the prevalence, incidence, trend, and complications of thalassemia patients in Iraq. All thalassemia patients registered in the accessible 16 (of the 19) thalassemia centers in Iraq until December 31 2015, were included. Data were acquired from patients’ files and the centers’ registries. The total number of registered thalassemia patients was 11,165 representing 66.3% of all registered hereditary anemias in these centers. The prevalence of thalassemia had increased from 33.5/100,000 in 2010 to 37.1/100,000 in 2015, while the incidence rate had decreased from 72.4/100,000 live births to 34.6/100,000 live births between 2010 and 2015. β-Thalassemia major (β-TM) represented 73.9% of all types of thalassemia. About 66.0% of patients were under 15 years old; 78.8% were offspring of parents who were related, and 55.9% had at least one complication. Respectively, 13.5 and 0.4% of thalassemia patients were infected with hepatitis C virus (HCV) and hepatitis B virus (HBV) at some point in their lives. No patients were infected with the human immune deficiency virus (HIV). In conclusion, the prevalence of thalassemia in Iraq is slightly increasing in spite of decreasing incidence. Screening for carriers, and intensified premarital screening and counseling programs, coupled with strong legislation can help in further decreasing incidence rate. 相似文献
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G Tocci G Aimo D Caputo C De Matteis T Di Napoli A Granatelli P Lentini A Magagna AA Matarrese D Perona G Villa M Volpe 《High blood pressure & cardiovascular prevention》2012,19(2):73-83
Introduction: The addition of the direct renin inhibitor aliskiren is demonstrated to improve blood pressure (BP) control rate and reduce progression of organ damage in treated hypertensive patients in clinical trials with a relatively short follow-up period. Aim: The objective of this study was to assess the effectiveness, safety and tolerability of aliskiren as an add-on antihypertensive therapy in high-risk, treated, hypertensive patients, who were not controlled with concomitant treatment with at least two antihypertensive drugs under 'real-life' conditions, during a planned observation and treatment period of at least 12 months in Italy. Methods: Clinical data were derived from medical databases of treated, uncontrolled, hypertensive patients followed by specialized physicians operating in different clinical settings (hospital divisions or outpatient clinics) in Italy. Aliskiren was added to stable antihypertensive treatment, including at least two drug classes (independently of class or dosage) and unable to achieve BP control. Follow-up visits for measuring clinic BP levels and collecting data on drug safety and tolerability were planned at time intervals of 1, 6 and 12 months. At each predefined follow-up visit, aliskiren could be up-titrated from 150 to 300?mg daily if BP control was not achieved. Results: From May 2009 to June 2011, a total of 1186 treated, uncontrolled, hypertensive patients (46.3% female, aged 65.2?±?11.7 years, mean duration of hypertension 13.2?±?9.3 years, mean clinic BP levels 156.5?±?15.9/90.3?±?9.5?mmHg) were enrolled. Systolic and diastolic BP levels were 141.1/82.4, 134.9/79.8 and 133.6/78.9 mmHg at 1-, 6- and 12-month follow-up visits, respectively (p?0.0001 vs baseline for all comparisons). These effects were consistent in all predefined subgroups, including those with left ventricular hypertrophy, renal disease, diabetes mellitus, coronary artery disease or cerebrovascular disease. Reduced levels of microalbuminuria were also reported, without affecting other renal and electrolyte parameters. Overall, compliance to study medication was high (93.0%), with a very low proportion of patients experiencing adverse events leading to drug discontinuation (3.6%). Conclusions: In this observational, prospective, open-label, multicentre study, we reported the 12-month clinical effectiveness, safety and tolerability of adding aliskiren to treated, uncontrolled, hypertensive patients in a 'real-life' setting in Italy. This strategy leads to a significantly improved BP control rate and low incidence of drug-related side effects or discontinuations. Received for publication 24 April 2012; accepted for publication 1 June 2012. 相似文献
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Dany Matar MD MPH Antonio H. Frangieh MD MPH Samah Abouassi MD MPH Fernand Bteich MD Aline Saleh PharmD Elie Salame MD Roland Kassab MD Rabih R. Azar MD MPH 《Journal of clinical hypertension (Greenwich, Conn.)》2015,17(5):381-388
The prevalence and factors related to hypertension (HTN) treatment and control are well investigated in the Western world but remain poorly understood in the Middle East and in middle‐income countries such as Lebanon. In order to measure the prevalence, awareness, treatment, and control rates of HTN in Lebanon, the authors measured blood pressure (BP) in 1697 adults. The prevalence of optimal BP (<120/80 mm Hg) was 33% and that of pre‐HTN (BP ≥120/80 mm Hg but <140/90 mm Hg) was 30%. The prevalence, awareness, treatment, and control (among treated hypertensive) rates of HTN were 36.9%, 53%, 48.9%, and 54.2%, respectively. Overall, only 27% of patients with HTN had their BP under control. Awareness was the most important predictor of treatment. No predictor of control could be identified. The authors concluded that HTN is prevalent in Lebanon and its overall control is low. Improving awareness is the most important target for intervention. 相似文献
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Ruben Tur Albertino Damasceno Mouhammed Djic Nuno Lunet 《Journal of clinical hypertension (Greenwich, Conn.)》2022,24(3):358
Hypertension is the leading preventable risk factor for cardiovascular diseases. In Guinea–Bissau there are no previous population‐based hypertension surveys. Therefore, the authors aimed to estimate the prevalence, awareness, treatment, and control of high blood pressure among adults living in Bissau. A sample (n = 973) of dwellers in Bissau, aged 18–69 years, was assembled through stratified and cluster sampling. Patients underwent face‐to‐face interviews and blood pressure measurements following the World Health Organization Stepwise Approach to Chronic Disease Risk Factor Surveillance. The prevalence of hypertension was 26.9%, and 51.4% of hypertensive individuals were aware of their condition, of whom 51.8% reported having received pharmacological treatment in the previous 2 weeks. Among the latter, 49.9% had blood pressure values below 140/90 mm Hg. These findings show that hypertension has become a major public health problem in Guinea‐Bissau, emphasizing the urgent need to develop and implement national strategies for the prevention and management of hypertension. 相似文献
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This study aimed to analyze trends in the prevalence, awareness, treatment, and control of hypertension and associated factors in persons 15 years and older from 2005 to 2019 in Mongolia.National data were analyzed from 21,342 people (≥15 years) who participated in 4 cross-sectional STEPwise Approach to NCD Risk Factor Surveillance surveys in Mongolia (2005, 2009, 2013, or 2019) and had complete blood pressure measurements. The prevalence, awareness, treatment, and control of hypertension were calculated using sociodemographic factors within each study year. Logistic regression was employed to assess the associations between sociodemographic and health factors and status of hypertension, awareness, treatment, and control by study year and pooled sample.Trend analyzes showed that the prevalence of hypertension decreased significantly from 28.4% in 2005 to 23.2% in 2019 (P < .001). The prevalence of awareness among hypertensives remained unchanged, the treatment among aware decreased, and the control rate increased. In adjusted logistic regression analysis with the pooled sample, male sex (adjusted odds ratio [AOR]: 1.49, 95% confidence intervals [CI]: 1.32–1.68), older age (≥45 years) (AOR: 5.90, 95% CI: 4.90–7.10), obesity (AOR: 4.29, 95% CI: 3.77–4.88), more frequent alcohol use (≥1–2 days/week) (AOR: 1.69, 95% CI: 1.39–2.05) were positively, and higher educational level (≥12 years) (AOR: 0.77, 95% CI: 0.68–0.87) and urban residence (AOR: 0.84, 95% CI: 0.74–0.97) were negatively associated with hypertension prevalence.The prevalence of hypertension among Mongolian adults has decreased in recent years. Levels of hypertension awareness were unchanged, treatment decreased, and control increased. Increased health promotion, detection, and treatment of hypertension in Mongolia are indicated. 相似文献
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Three mature Large White boars were anaesthetized and received [7(n)-3H]pregnenolone by continuous infusion into right and left spermatic arteries for up to 180 min. Spermatic venous blood flow was measured by separate timed collections of completely diverted outflow from each testis and blood not sampled was returned to the peripheral circulation. The total radioactivity in plasma from each testis increased markedly during the first 60 min of infusion to reach a plateau from 80 to 180 min. Radiolabelling of 5 alpha-androst-16-en-3-one, 5 alpha-androst-16-en-3 beta-ol and -3 alpha-ol showed similar patterns with ratios of mean radioactivity of 5:3:1 respectively between 80 and 180 min. In comparison, the amounts of tritiated 4,16-androstadien-3-one formed were very small. The radiolabelling of testosterone and 4-androstenedione occurred more rapidly than that of the 16-androstenes and reached maxima by 30 min. However the amounts were only one-fifth (testosterone) and one-tenth (4-androstenedione) those of the combined quantities of tritiated 16-androstenes. Addition of human chorionic gonadotrophin (hCG) to the infusate to one testis in each animal (so that 5000 i.u. hCG were delivered in 15-20 min) produced no change in the outputs of radiolabelled steroids although radioimmunoassay of spermatic venous plasma in samples from the third experiment showed a transient increase in the concentration of 4-androstene-3,17-dione during the hCG infusion. It is suggested the lack of response to hCG could be produced by saturation and down regulation of binding sites by the very high local concentrations of hCG. 相似文献