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Induction of labour or expectant monitoring in hypertensive pregnancy disorders at term: do women's postpartum cardiovascular risk factors differ between the two strategies?
Hermes, W, Koopmans, CM, van Pampus, MG, Franx, A, Bloemenkamp, KW, van der Post, J, Porath, M, Tamsma, JT, Mol, BW, de Groot, CJ
European journal of obstetrics, gynecology, and reproductive biology. 2013;(1):30-4
Abstract
OBJECTIVE Cardiovascular disease (CVD) is the leading cause of death in women in the western world. Several studies have described the association between hypertensive pregnancy disorders and CVD in later life. Our aim was to compare postpartum cardiovascular risk factors in women who had a shorter and women who had a longer exposure to endothelial activation during their term hypertensive pregnancy. STUDY DESIGN We studied a subsample of women with pregnancy-induced hypertension or mild preeclampsia at term, who had participated in the randomized HYPITAT trial comparing induction of labour (IOL cohort) (n=110) or expectant monitoring (EM cohort) (n = 91). We assessed, 2.5 years postpartum, cardiovascular risk factors, i.e. blood pressure, anthropometrics, glucose, HbA1C, insulin, HOMA score, total cholesterol, HDL cholesterol, triglycerides, high sensitive CRP, micro-albumin and metabolic syndrome, and compared these risk factors between the induction and expectant groups. RESULTS The mean time from randomization to delivery was 3.3 days in the induction group and 10.3 days in the expectant group (p<.001), generating a difference in exposure of 7 days. After a mean follow-up period of 2.5 years, the prevalence of hypertension (IOL 34%; EM 37%, p = .66) and metabolic syndrome (IOL 26%; EM 27%, p = 1.0) was similar in both groups. Furthermore, systolic and diastolic blood pressure, BMI, waist circumference, glucose, HbA1C, insulin, HOMA score, lipids, HsCRP-levels and micro-albumin were all comparable between women who had induction of labour and those who had expectant monitoring. CONCLUSION In women with hypertensive disorders in pregnancy at term, induction of labour does not affect the clinical and biochemical cardiovascular profile at 2.5 years postpartum.
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Comparative efficacy and safety of aliskiren and irbesartan in patients with hypertension and metabolic syndrome.
Krone, W, Hanefeld, M, Meyer, HF, Jung, T, Bartlett, M, Yeh, CM, Rajman, I, Prescott, MF, Dole, WP
Journal of human hypertension. 2011;(3):186-95
Abstract
Metabolic syndrome, a cluster of risk factors that increase the risk of cardiovascular morbidity and mortality, is common in patients with hypertension. Chronic renin-angiotensin-aldosterone system (RAAS) activation, shown by elevated plasma renin activity (PRA), is implicated in many of the features of metabolic syndrome. The direct renin inhibitor aliskiren may be of benefit in this patient group as aliskiren targets the RAAS at the rate-limiting step. In this double-blind study, 141 patients with hypertension (mean baseline BP 155/93 mm Hg) and metabolic syndrome (modified National Cholesterol Education Program ATP III criteria) were randomized to aliskiren 300 mg or irbesartan 300 mg once daily. Patients treated with aliskiren 300 mg had their mean sitting blood pressure (BP) lowered by 13.8/7.1 mm Hg after 12 weeks, significantly greater (P≤0.001) than the 5.8/2.8 mm Hg reduction observed in patients treated with irbesartan 300 mg. A significantly greater proportion of patients treated with aliskiren achieved BP control to <135/85 mm Hg (29.2 vs 16.7% with irbesartan; P=0.019). Aliskiren treatment led to a 60% decrease in PRA from baseline, whereas irbesartan increased PRA by 99% (both P<0.001). Aliskiren and irbesartan had similar effects on glucose and lipid profiles and on a panel of biomarkers of inflammation and cardiovascular risk. Both aliskiren and irbesartan were well tolerated. Collectively, these results suggest that aliskiren 300 mg may offer treatment benefits compared with irbesartan 300 mg for BP reduction in patients with hypertension and metabolic syndrome.
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Relative risk of diabetes, dyslipidaemia, hypertension and the metabolic syndrome in people with severe mental illnesses: systematic review and metaanalysis.
Osborn, DP, Wright, CA, Levy, G, King, MB, Deo, R, Nazareth, I
BMC psychiatry. 2008;:84
Abstract
BACKGROUND Severe mental illnesses (SMI) may be independently associated with cardiovascular risk factors and the metabolic syndrome. We aimed to systematically assess studies that compared diabetes, dyslipidaemia, hypertension and metabolic syndrome in people with and without SMI. METHODS We systematically searched MEDLINE, EMBASE, CINAHL & PsycINFO. We hand searched reference lists of key articles. We employed three search main themes: SMI, cardiovascular disease, and each cardiovascular risk factor. We selected cross-sectional, case control, cohort or intervention studies comparing one or more risk factor in both SMI and a reference group. We excluded studies without any reference group. We extracted data on: study design, cardiovascular risk factor(s) and their measurement, diagnosis of SMI, study setting, sampling method, nature of comparison group and data on key risk factors. RESULTS Of 14592 citations, 134 papers met criteria and 36 were finally included. 26 reported on diabetes, 12 hypertension, 11 dyslipidaemia, and 4 metabolic syndrome. Most studies were cross sectional, small and several lacked comparison data suitable for extraction. Meta-analysis was possible for diabetes, cholesterol and hypertension; revealing a pooled risk ratio of 1.70 (1.21 to 2.37) for diabetes and 1.11 (0.91 to 1.35) of hypertension. Restricting SMI to schizophreniform illnesses yielded a pooled risk ratio for diabetes of 1.87 (1.68 to 2.09). Total cholesterol was not higher in people with SMI (Standardized Mean Difference -0.10 (-0.55 to 0.36)) and there were inconsistent data on HDL, LDL and triglycerides with some, but not all, reporting lower levels of HDL cholesterol and raised triglyceride levels. Metabolic syndrome appeared more common in SMI. CONCLUSION Diabetes (but not hypertension) is more common in SMI. Data on other risk factors were limited by poor quality or inconsistent research findings, but a small number of studies show greater prevalence of the metabolic syndrome in SMI.
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High doses of lercanidipine are better tolerated than other dihydropyridines in hypertensive patients with metabolic syndrome: results from the TOLERANCE study.
Barrios, V, Escobar, C, de la Figuera, M, Honorato, J, Llisterri, JL, Segura, J, Calderón, A
International journal of clinical practice. 2008;(5):723-8
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Abstract
AIMS/INTRODUCTION The TOlerabilidad de LERcanidipino 20 mg frente a Amlodipino y Nifedipino en CondicionEs normales de uso study was aimed to compare the tolerability of high doses of lercanidipine with amlodipine and nifedipine gastro-intestinal therapeutic system (GITS) in the treatment of hypertension in daily clinical practice. PATIENTS/METHODS Essential hypertensives >or= 18 years, treated during at least 1 month with lercanidipine 20 mg, amlodipine 10 mg or nifedipine GITS 60 mg, after a previous treatment course of at least 1 month with half the dose of the corresponding drugs were included. We present the data of the subgroup of patients with metabolic syndrome (MetS). RESULTS Three hundred and thirty-seven of the 650 study population fulfilled criteria of MetS, 233 (69.1%) on lercanidipine and 104 (30.9%) on amlodipine/nifedipine GITS. Overall, a significantly lower proportion of lercanidipine-treated patients showed adverse reactions (ARs) when compared with patients receiving other-dihydropyridines (DHPs) (60.1% vs. 73.1%, p = 0.003). Similarly, the most common vasodilation-related ARs (oedema, swelling, flushing and headache) were significantly less frequent in lercanidipine group (all p < 0.01). CONCLUSION In conclusion, lercanidipine appears to exhibit a better tolerability profile and less vasodilation-related ARs compared with other DHPs in hypertensive patients with MetS.
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Effect of the angiotensin receptor blocker irbesartan on metabolic parameters in clinical practice: the DO-IT prospective observational study.
Parhofer, KG, Münzel, F, Krekler, M
Cardiovascular diabetology. 2007;:36
Abstract
AIMS: A number of intervention studies have shown that therapy with angiotensin receptor blockers, such as irbesartan, can improve metabolic parameters and reduce the incidence of diabetes mellitus. It is unknown whether this observation also holds true in routine clinical settings. METHODS We evaluated the effect of irbesartan (150 mg or 300 mg/d) together with or without hydrochlorothiazide (12.5 mg/d) in 3259 German patients. A total of 750 primary care physicians evaluated up to 5 subsequent patients with metabolic syndrome (58.9% diabetic), in whom irbesartan therapy was newly initiated (87%) or continued (13%). RESULTS Six months of irbesartan therapy decreased systolic blood pressure by 14% (157.4 +/- 14.7 vs. 135.0 +/- 10.7 mmHg) and diastolic blood pressure by 13% (92.9 +/- 9.2 vs. 80.8 +/- 6.8 mmHg). This was associated with a decrease in body weight (-2.3%), fasting glucose (-9.5%), HbA1c (-4.6%), LDL-cholesterol (-11%), triglycerides (-16%) and gamma-GT (-12%) and an increase in HDL-cholesterol (+5%). These changes were somewhat more pronounced in male than in female patients and in obese than in lean patients. Changes in glucose concentration and HbA1c were much more prominent in diabetic patients. CONCLUSION Irbesartan therapy improves metabolic parameters in routine clinical settings. Thus, our study confirms previously published results from large intervention trials and extends the findings to routine clinical practice.