[Pharmacogenomics].
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Biomedical subjects
Publications and source records attributed to Gerhart Hitzenberger.
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Pumpan in a dosage of 3 x 10 drops daily over 6 weeks does not differ in its effect on systolic and diastolic blood pressure significantly from placebo. The tolerance was excellent: not one single patient had to be withdrawn from the study due to side effects. Blood lipids (cholesterol, HDL-, LDL-cholesterol and triglyzerides) did not change, neither in the placebo nor in the verum group.
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During the past year the upper limit for normal blood pressure has been lowered, but the relevant societies only give the mean values without taking the high blood pressure variability into account. For statistical reasons and for practical purposes, blood pressure should be measured often and therefore by the individual him/herself. In this respect the situation is far from being ideal, and not just in Austria. Treatment for hypertension both concerning advice on the necessary change in lifestyle and medication is on the whole unsatisfactory. Suggestions for optimizing the respective strategies are given.
BACKGROUND: Circadian blood pressure (BP) measurements provide more information on hypertensive complications than office BP measurements. The purpose of this study was to analyze the efficacy of the first-line combination of perindopril 2 mg plus indapamide 0.625 mg versus atenolol 50 mg on BP parameters and variability over 24 h in patients with hypertension. METHODS: A double-blind, randomized, controlled, 12-month study comparing perindopril/indapamide and atenolol was performed in 201 patients (age 55.0 years) with uncomplicated sustained essential hypertension. Ambulatory BP measurements (ABPM) were done every 15 min over 24 h. RESULTS: After 1 year of treatment, the decrease in systolic BP was significantly greater for perindopril/indapamide than for atenolol during the entire 24-h period (-13.8 v -9.2 mm Hg), the daytime and the nighttime periods (P <.01). Diastolic blood pressure (DBP) variations were comparable for the two groups (-7.2 v -8.3 mm Hg, NS). Pulse pressure (PP) reduction was also significantly greater for perindopril/indapamide than for atenolol (for the whole 24 h, -6.6 v -0.9 mm Hg, P <.001). The through to peak (T/P) BP ratio and the smoothness index were comparable in the two groups for DBP. For systolic blood pressure (SBP), higher values of the T/P ratio (0.80 v 0.59) and the smoothness index (1.45 v 0.98; P <.02) were achieved for the perindopril/indapamide combination than for atenolol. CONCLUSIONS: The perindopril/indapamide first-line combination decreased SBP and PP more effectively than atenolol. Moreover, the BP control effect was smooth and consistent throughout the 24-h dosing interval and BP reduction variability was lower than the one induced by atenolol.
BACKGROUND: Increase in left ventricular mass (LVM) may be linked to morbidity and mortality in hypertensive patients. Arterial stiffness, systolic blood pressure (BP), and pulse pressure (PP) seem to be the main determinants of LVM. The perindopril/indapamide combination normalizes systolic BP, PP, and arterial function to a greater extent than atenolol. The aim of this study was to compare the effects of perindopril (2 mg)/indapamide (0.625 mg) first-line combination with atenolol (50 mg) on LVM reduction in hypertensive patients. METHODS: Two hundred fourteen patients with essential hypertension participating in the PREterax in Regression of Arterial Stiffness in a ContrOlled Double-BliNd (REASON), randomized, double-blind, parallel-group study, underwent M-mode two-dimensional-guided echocardiography. RESULTS: Perindopril/indapamide and atenolol were both effective at brachial BP reduction during the 12-month period. The systolic BP reduction was significantly greater with perindopril/indapamide than with atenolol (-21.2 v -15.3 mm Hg), whereas the reduction in diastolic BP was similar between treatment groups (-12.1 v -11.3 mm Hg). Reduction in LVM was higher with perindopril/indapamide than with atenolol. The between-group difference was significant for LVM (-13.6 v -4.3 g, P = .027), LVM/body surface area (LVMI1, P = .032), and LVM/body height2.7 (LVMI2, P = .013). The 124 patients with LV hypertrophy at baseline showed greatest LVM regression (LVM: -22.5 v -8.9 g, P = .009; LVMI1, P = .031; LVMI2, P = .028). The reduction in LVM adjusted for brachial systolic BP and heart rate was still significantly greater with perindopril/indapamide than with atenolol. CONCLUSIONS: Treatment, based on a first-line perindopril/indapamide combination in hypertensive patients, was more effective than atenolol on regression of echocardiographic indices of LVM and LV hypertrophy.
A worldwide frequently applied HMG-CoA-reductase-inhibitor ("statin") recently has been withdrawn from the market. This obviously has been caused by serious adverse events. The question is whether the package inserts sufficiently inform about the risks. But, although they list up numerous side effects, they lack informations concerning the frequency of them, so the patients when reading the package inserts become confused. Thus they have to rely on their doctors choice regarding the danger outlined in the inserts. In that respect packing inserts could be improved.
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