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1.
Chinese Medical Journal ; (24): 1395-1399, 2007.
Artigo em Inglês | WPRIM | ID: wpr-280423

RESUMO

<p><b>BACKGROUND</b>There is significant evidence showing that microalbuminuria and arterial compliance are sensitive markers for early cardiovascular diseases. However, whether microalbuminuria is associated with reduced arterial compliance in Chinese metabolic syndrome (MS) patients remains unknown.</p><p><b>METHODS</b>According to the definition of MS proposed by ATPIII in 2001, USA, subjects (n = 362) were divided into three groups according to the number of risk factors: group 1 (control), group 2 (medium, < 3 risk factors) and group 3 (MS, = 3 risk factors). Both large artery compliance (C1) and small artery compliance (C2) were measured with the CVProfilor DO-2020 Cardiovascular Profiling System, and microalbuminuria was evaluated with the ratio of albumin to urine creatinine.</p><p><b>RESULTS</b>(1) As C1 and C2 levels elasticity decreased, albumin creatinine ratio (ACR) and the prevalence of microalbuminuria increased within those groups with MS risk factors. C1 and C2 were negatively correlated with the ranking of MS risk factors, ACR was positively correlated with the ranking of MS risk factors (all P < 0.05). (2) Subjects were also categorized into a microalbuminuria group and a normal group, C1 and C2 in the microalbuminuria group were lower than in the normal group. (3) Multivariate regression analysis showed that increased systolic blood pressure (SBP) and reduced arterial compliance were the main risk factors for microalbuminuria in the MS group.</p><p><b>CONCLUSIONS</b>The risk of developing microalbuminuria was higher in the subjects with multiple metabolic abnormalities. Increased systolic blood pressure and reduced arterial compliance may be the main predictors for microalbuminuria in MS.</p>


Assuntos
Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Albuminúria , Artérias , Índice de Massa Corporal , Complacência (Medida de Distensibilidade) , Creatinina , Sangue , Endotélio Vascular , Fisiologia , Síndrome Metabólica , Análise de Regressão , Sístole
2.
Chinese Medical Journal ; (24): 782-786, 2007.
Artigo em Inglês | WPRIM | ID: wpr-240330

RESUMO

<p><b>BACKGROUND</b>The renin-angiotensin-aldosterone system (RAAS) is important for the development of essential hypertension, and many antihypertensive drugs target it. This study was undertaken to determine whether polymorphisms in the renin-angiotensin-aldosterone system are related to the blood pressure (BP) response to diuretic treatment in a Chinese Han ethnic population.</p><p><b>METHODS</b>Fifty-four patients with essential hypertension received hydrochlorothiazide (12.5 mg, once daily) as monotherapy for four weeks. Seven polymorphisms in RAAS genes were genotyped by gene chip technology. The relationship between these polymorphisms and the change in blood pressure was observed after the 4-week treatment.</p><p><b>RESULTS</b>The patients with angiotensinogen (AGT) -6G allele showed a greater reduction in diastolic BP (P=0.025) and mean BP (P=0.039) than those carrying AA genotype. Patients carrying aldosterone synthase (CYP11B2) CC genotype exhibited a greater BP reduction than those carrying CT and TT genotypes (systolic BP: P=0.030; diastolic BP: P=0.026; mean BP: P=0.003). In addition, patients with a combination of CYP11B2 CC genotype and angiotensin converting enzyme (ACE) D allele might have a more pronounced reduction of systolic BP than those with any other genotypic combinations of the two genes (P=0.007).</p><p><b>CONCLUSIONS</b>AGT-6G allele, CYP11B2 -344CC genotype and its combination with ACE D allele are associated with BP response to hydrochlorothiazide treatment. Larger studies are warranted to validate this finding.</p>


Assuntos
Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Angiotensinogênio , Genética , Citocromo P-450 CYP11B2 , Genética , Genótipo , Hidroclorotiazida , Usos Terapêuticos , Hipertensão , Tratamento Farmacológico , Genética , Análise de Sequência com Séries de Oligonucleotídeos , Peptidil Dipeptidase A , Genética , Polimorfismo de Nucleotídeo Único
3.
Chinese Journal of Cardiology ; (12): 320-324, 2007.
Artigo em Chinês | WPRIM | ID: wpr-304913

RESUMO

<p><b>OBJECTIVE</b>To investigate the relationship between serum adiponectin and mean blood pressure (BP).</p><p><b>METHODS</b>A total of 187 subjects were divided into four groups according to BP levels: optimal blood pressure group (n = 38), high normal blood pressure group (n = 50), treated hypertension group (n = 54) and untreated hypertension group (n = 45). Serum adiponectin and microalbuminuria were detected by radioimmunology assay. Insulin resistant index defined as HOMA-IR and urinary concentration of microalbuminuria/urinary concentration of creatinine defined as albumin creatinine ratio (ACR) were calculated.</p><p><b>RESULTS</b>(1) Serum adiponectin decreased in proportion to BP increase and the serum adiponectin level was significantly higher in treated hypertension group than untreated hypertension group. (2) Correlation analysis showed that adiponectin concentration was negatively correlated with mean blood pressure (P < 0.01). (3) Multivariate regression analysis revealed that mean blood pressure and HOMA-IR were independent predictors of serum adiponectin level.</p><p><b>CONCLUSIONS</b>Mean blood pressure was the main determinant of serum adiponectin level and negatively correlated to serum adiponectin level.</p>


Assuntos
Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Adiponectina , Sangue , Pressão Sanguínea , Fisiologia , Resistência à Insulina , Exame Físico
4.
Chinese Journal of Hypertension ; (12)2006.
Artigo em Chinês | WPRIM | ID: wpr-686117

RESUMO

Objective To study the relationship between peripheral blood hemoglobin (HB) and blood pres- sure.Methods We performed a cross-sectional analysis in 1153 subjects aged 29-83 years.Waist circumfer- ence,HB,blood pressure,high-density lipoprotein cholesterol(HDL-C),low-density lipoprotein cholesterol(LDL- C),triglycerides (TG),total cholesterol (TC) were determined.Results ①With the increasing of blood pres- sure,HB had a clearly increasing trend (HB,normotensive:137.5?14.7 vs prehypertension:143.4?14.4 vs hy- pertension:144.3?13.8 g/L,P

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