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- Dahlöf, Björn, 1953, et al.
(author)
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Felodipine-metoprolol combination tablet: maintained health-related quality of life in the presence of substantial blood pressure reduction
- 2005
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In: Am J Hypertens. - : Oxford University Press (OUP). - 0895-7061. ; 18:10, s. 1313-9
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Journal article (peer-reviewed)abstract
- BACKGROUND: Most treated hypertensive patients do not achieve adequate blood pressure (BP) control. Initiating therapy with two drugs has been suggested when BP is >20/10 mm Hg above goal. To ensure patients' compliance, such treatment needs to be well tolerated and must not compromise health-related quality of life (HRQL). The primary objective of this study was to compare the effects on HRQL of initiating treatment with felodipine + metoprolol (F+M) fixed combination tablets, or enalapril (E), or placebo (P). METHODS: A total of 947 patients of both sexes with primary hypertension (diastolic BP 95 to 110 mm Hg), aged 20 to 70 years, participated in this randomized, double-blind, parallel group, 12-week, multicenter trial. Treatment was initiated with F+M 5 + 50 mg, or E 10 mg, or P. Doses were doubled after 4 or 8 weeks if diastolic BP was >90 mm Hg. The HRQL was measured at baseline and at the last visit using two validated questionnaires: the Psychological General Well-being Index (PGWB) and the Subjective Symptom Assessment Profile (SSA-P). Office BP was measured at trough, that is, 24 h after the previous dose. RESULTS: The HRQL was high at baseline and generally well maintained during the study. For example, the mean (SD) PGWB total score was 104 (16) at baseline and 105 (16) at 12 weeks in all three treatment groups. The BP reductions after F+M (18/14 mm Hg) and E (12/9 mm Hg) were significantly greater than after P (7/7 mm Hg), and the reduction after F+M was significantly greater than after E. CONCLUSIONS: The HRQL is maintained in the presence of substantial BP reduction during antihypertensive treatment with F+M fixed combination tablets.
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- Herlitz, Johan, et al.
(author)
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Effect of metoprolol on indirect signs of the size and severity of acute myocardial infarction
- 1983
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In: American Journal of Cardiology. - : Elsevier Excerpta Medica, Inc.. - 0002-9149 .- 1879-1913. ; 51:8, s. 1282-1288
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Journal article (peer-reviewed)abstract
- In a double-blind randomized trial, 1,395 patients with suspected acute myocardial infarction (MI) were investigated to evaluate the possibility of limiting indirect signs of the size and severity of acute MI with the beta1-selective adrenoceptor antagonist metoprolol. Metoprolol (15 mg) was given intravenously and followed by oral administration for 3 months (200 mg daily). Placebo was given in the same way. The size of the MI was estimated by heat-stable lactate dehydrogenase (LD[EC 1.1.1.27]) analyses and precordial electrocardiographic mapping. Lower maximal enzyme activities compared with placebo were seen in the metoprolol group (11.1 ± 0.5 μkat · liter−1)when the patient was treated within 12 hours of the onset of pain (13.3 ± 0.6 μkat · liter−1; n = 936; p = 0.009). When treatment was started later than 12 hours, no difference was found between the 2 groups. Enzyme analyses were performed in all but 20 patients (n = 1,375). Precordial mapping with 24 chest electrodes was performed in patients with anterior wall MI. The final total R-wave amplitude was higher and the final total Q-wave amplitude lower in the metoprolol group than in the placebo group. Patients treated with metoprolol ≤12 hours also showed a decreased need for furosemide, a shortened hospital stay, and a significantly reduced 1-year mortality compared with the placebo group, whereas no difference was observed among patients treated later on. After 3 months, however, there was a similar reduction in mortality among patients in whom therapy was started 12 hours and >12 hours after the onset of pain. The results support the hypothesis that intravenous metoprolol followed by oral treatment early in the course of suspected myocardial infarction can limit infarct size and improve longterm prognosis.
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| 13. |
- Herlitz, Johan, et al.
(author)
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Göteborg Metoprolol Trial : mortality and causes of death
- 1984
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In: American Journal of Cardiology. - : Excerpta Medica, Inc.. - 0002-9149 .- 1879-1913. ; 53:13, s. 9-14
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Journal article (peer-reviewed)abstract
- During the 3-month blind treatment period there were 40 deaths in the metoprolol group compared with 62 deaths in the placebo group (p = 0.024). During the first year (after 3 months the 2 groups were treated similarly) there were 64 deaths in the metoprolol group vs 93 in the placebo group (p = 0.017) and during 2 years 92 patients died in the metoprolol group vs 120 in the placebo group (p = 0.043). The relative incidence of different causes of death did not differ significantly between the 2 treatment groups, indicating that metoprolol reduced all causes of death to the same extent as its effect on overall mortality.
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| 14. |
- Hjalmarson, Å, et al.
(author)
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Effect on mortality of metoprolol in acute myocardial infarction
- 1981
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In: The Lancet. - : The Lancet Publishing Group. - 0140-6736 .- 1474-547X. ; 318:8251, s. 823-827
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Journal article (peer-reviewed)abstract
- The effect of metoprolol on mortality was compared with that of placebo in a double-blind randomised trial in patients with definite or suspected acute myocardial infarction. Treatment with metoprolol or placebo started as soon as possible after the patient's arrival in hospital and was continued for 90 days. Metoprolol was given as a 15 mg intravenous dose followed by oral administration of 100 mg twice daily. 1395 patients (697 on placebo and 698 on metoprolol) were included in the trial. Definite acute myocardial infarction developed in 809 and probable infarction in 162. Patients were allocated to various risk groups and within each group patients were randomly assigned to treatment with metoprolol or placebo. There were 62 deaths in the placebo group (8·9%) and 40 deaths in the metoprolol group (5·7%), a reduction of 36% (p<0·03). Mortality rates are given according to the treatment group to which the patients were initially randomly allocated.
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