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Sökning: WFRF:(Gohlke Baerwolf Christa)

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1.
  • Gerdts, Eva, et al. (författare)
  • Impact of baseline severity of aortic valve stenosis on effect of intensive lipid lowering therapy (from the SEAS study)
  • 2010
  • Ingår i: American Journal of Cardiology. - : Elsevier. - 0002-9149 .- 1879-1913. ; 106:11, s. 1634-1639
  • Tidskriftsartikel (refereegranskat)abstract
    • Retrospective studies have suggested a beneficial effect of lipid-lowering treatment on the progression of aortic stenosis (AS) in milder stages of the disease. In the randomized, placebo-controlled Simvastatin and Ezetimibe in Aortic Stenosis (SEAS) study, 4.3 years of combined treatment with simvastatin 40 mg and ezetimibe 10 mg did not reduce aortic valve events (AVEs), while ischemic cardiovascular events (ICEs) were significantly reduced in the overall study population. However, the impact of baseline AS severity on treatment effect has not been reported. Baseline and outcomes data in 1,763 SEAS patients (mean age 67 years, 39% women) were used. The study population was divided into tertiles of baseline peak aortic jet velocity (tertile 1: <= 2.8 m/s; tertile 2: >2.8 to 3.3 m/s; tertile 3: >3.3 m/s). Treatment effect and interaction were tested in Cox regression analyses. The rates of AVEs and ICEs increased with increasing baseline severity of AS. In Cox regression analyses, higher baseline peak aortic jet velocity predicted higher rates of AVEs and ICEs in all tertiles (all p values <0.05) and in the total study population (p <0.001). Simvastatin-ezetimibe treatment was not associated with a statistically significant reduction in AVEs in any individual tertile. A significant quantitative interaction between the severity of AS and simvastatin-ezetimibe treatment effect was demonstrated for ICEs (p <0.05) but not for AVEs (p = 0.10). In conclusion, the SEAS study results demonstrate a strong relation between baseline the severity of AS and the rate of cardiovascular events but no significant effect of lipid-lowering treatment on AVEs, even in the group with the mildest AS.
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2.
  • Holme, Ingar, et al. (författare)
  • A risk score for predicting mortality in patients with asymptomatic mild to moderate aortic stenosis
  • 2012
  • Ingår i: Heart. - : BMJ Publishing Group Ltd & British Cardiovascular Society. - 1355-6037 .- 1468-201X. ; 98:5, s. 377-383
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Prognostic information for asymptomatic patients with aortic stenosis (AS) from prospective studies is scarce and there is no risk score available to assess mortality. Objectives To develop an easily calculable score, from which clinicians could stratify patients into high and lower risk of mortality, using data from the Simvastatin and Ezetimibe in Aortic Stenosis (SEAS) study. Method A search for significant prognostic factors (p < 0.01) among SEAS patients was made by a combined judgemental and statistical elimination procedure to derive a set of three factors (age, gender and smoking) that were forced into the model, and four additional factors captured by the data: left-ventricular mass index, bilirubin, heart rate and natural logarithm of C reactive protein. Calibration was done by comparing observed with calculated number of deaths by tenths of calculated risk using coefficients from the simvastatin + ezetimibe group on placebo group patients. Results Discrimination was good with ROC area of 0.76 for all patients. Estimated probabilities of death were categorised into thirds. An optimised split point of estimated 5-year risk was about 15% (close to the upper 14% tertile split point), with risk 4 times as high in the upper compared to the two lower thirds. The SEAS score performed better than another established high risk score developed for other purposes. Conclusion A new seven factor model for risk stratification of patients with mild to moderate asymptomatic AS identified a high risk group for total mortality with good discrimination properties. Trial registration number ClinicalTrials.gov, NCT 00092677.
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4.
  • Bang, Casper N., et al. (författare)
  • Effect of lipid lowering on new-onset atrial fibrillation in patients with asymptomatic aortic stenosis : The Simvastatin and Ezetimibe in Aortic Stenosis (SEAS) study
  • 2012
  • Ingår i: American Heart Journal. - : Elsevier. - 0002-8703 .- 1097-6744. ; 163:4, s. 690-696
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Lipid-lowering drugs, particularly statins, have anti-inflammatory and antioxidant properties that may prevent atrial fibrillation (AF). This effect has not been investigated on new-onset AF in asymptomatic patients with aortic stenosis (AS). Methods Asymptomatic patients with mild-to-moderate AS (n = 1,421) were randomized (1: 1) to double-blind simvastatin 40 mg and ezetimibe 10 mg combination or placebo and followed up for a mean of 4.3 years. The primary end point was the time to new-onset AF adjudicated by 12-lead electrocardiogram at a core laboratory reading center. Secondary outcomes were the correlates of new-onset AF with nonfatal nonhemorrhagic stroke and a combined end point of AS-related events. Results During the course of the study, new-onset AF was detected in 85 (6%) patients (14.2/1,000 person-years of follow-up). At baseline, patients who developed AF were, compared with those remaining in sinus rhythm, older and had a higher left ventricular mass index a smaller aortic valve area index. Treatment with simvastatin and ezetimibe was not associated with less new-onset AF (odds ratio 0.89 [95% CI 0.57-1.97], P = .717). In contrast, age (hazard ratio [HR] 1.07 [95% CI 1.05-1.10], P < .001) and left ventricular mass index (HR 1.01 [95% CI 1.01-1.02], P < .001) were independent predictors of new-onset AF. The occurrence of new-onset AF was independently associated with 2-fold higher risk of AS-related outcomes (HR 1.65 [95% CI 1.02-2.66], P = .04) and 4-fold higher risk of nonfatal nonhemorrhagic stroke (HR 4.04 [95% CI 1.18-13.82], P = .03). Conclusions Simvastatin and ezetimibe were not associated with less new-onset AF. Older age and greater left ventricular mass index were independent predictors of AF development. New-onset AF was associated with a worsening of prognosis. (Am Heart J 2012;163:690-6.)
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5.
  • Blyme, Adam, et al. (författare)
  • Increased hsCRP is associated with higher risk of aortic valve replacement in patients with aortic stenosis
  • 2016
  • Ingår i: Scandinavian Cardiovascular Journal. - 1401-7431 .- 1651-2006. ; 50:3, s. 138-145
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective To investigate relations between inflammation and aortic valve stenosis (AS) by measuring high-sensitivity C-reactive protein, at baseline (hsCRP(0)) and after 1year (hsCRP(1)) and exploring associations with aortic valve replacement (AVR). Design We examined 1423 patients from the Simvastatin and Ezetimibe in Aortic Stenosis study. Results During first year of treatment, hsCRP was reduced both in patients later receiving AVR (2.3 [0.9-4.9] to 1.8 [0.8-5.4] mg/l, p<0.001) and not receiving AVR (1.90 [0.90-4.10] to 1.3 [0.6-2.9] mg/l, p<0.001). In Cox-regression analyses, hsCRP(1) predicted later AVR (HR=1.17, p<0.001) independently of hsCRP(0) (HR=0.96, p=0.33), aortic valve area (AVA) and other risk factors. A higher rate of AVR was observed in the group with high hsCRP(0) and an increase during the first year (AVR(highCRP0CRP1inc)=47.3% versus AVR(highCRP0CRP1dec)=27.5%, p<0.01). The prognostic benefit of a 1-year reduction in hsCRP was larger in patients with high versus low hsCRP(0) eliminating the difference in incidence of AVR between high versus low hsCRP(0) (AVR(highCRP0CRP1dec)=27.5% versus AVR(lowCRP0CRP1dec)=25.8%, p=0.66) in patients with reduced hsCRP during the first year. Conclusions High hsCRP(1) or an increase in hsCRP during the first year of follow-up predicted later AVR independently of AVA, age, gender and other risk factors, although no significant improvement in C-statistics was observed.
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7.
  • Greve, Anders M., et al. (författare)
  • Clinical Implications of Electrocardiographic Left Ventricular Strain and Hypertrophy in Asymptomatic Patients With Aortic Stenosis The Simvastatin and Ezetimibe in Aortic Stenosis Study
  • 2012
  • Ingår i: Circulation. - Philadelphia : Lippincott Williams and Wilkins. - 1524-4539 .- 0009-7322. ; 125:2, s. 346-353
  • Tidskriftsartikel (refereegranskat)abstract
    • Background-The prognostic impact of ECG left ventricular strain and left ventricular hypertrophy (LVH) in asymptomatic aortic stenosis is not well described. Methods and Results-Data were obtained in asymptomatic patients randomized to simvastatin/ezetimibe combination versus placebo in the Simvastatin and Ezetimibe in Aortic Stenosis (SEAS) study. Primary end point was the first of myocardial infarction, nonhemorrhagic stroke, heart failure, aortic valve replacement, or cardiovascular death. The predictive value of ECG left ventricular strain (defined as T-wave inversion in leads V(4) through V(6)) and LVH, assessed by Sokolow-Lyon voltage criteria (R(V5-6) +/- S(V1) >= 35 mV) and Cornell voltage-duration criteria {[RaVL + S(V3) + (6 mV in women)] x QRS duration >= 2440 mV.ms}, was evaluated by adjustment for other prognostic covariates. A total of 1533 patients were followed for 4.3 +/- 0.8 years (6592 patient-years of follow-up), and 627 cardiovascular events occurred. ECG strain was present in 340 patients (23.6%), with LVH by Sokolow-Lyon voltage in 260 (17.1%) and by Cornell voltage-duration product in 220 (14.6%). In multivariable analyses, ECG left ventricular strain was associated with 3.1-fold higher risk of in-study myocardial infarction (95% confidence interval, 1.4-6.8; P = 0.004). Similarly, ECG LVH by both criteria predicted, compared with no ECG LVH, 5.8-fold higher risk of heart failure (95% confidence interval, 2.0 -16.8), 2.0-fold higher risk of aortic valve replacement (95% confidence interval, 1.3-3.1; both P = 0.001), and 2.5-fold higher risk of a combined end point of myocardial infarction, heart failure, or cardiovascular death (95% confidence interval, 1.3-4.9; P = 0.008). Conclusions-ECG left ventricular strain and LVH were independently predictive of poor prognosis in patients with asymptomatic aortic stenosis.
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8.
  • Greve, Anders M., et al. (författare)
  • Differences in Cardiovascular Risk Profile Between Electrocardiographic Hypertrophy Versus Strain in Asymptomatic Patients With Aortic Stenosis (from SEAS Data)
  • 2011
  • Ingår i: American Journal of Cardiology. - : Excerpta Medica. - 1879-1913 .- 0002-9149. ; 108:4, s. 541-547
  • Tidskriftsartikel (refereegranskat)abstract
    • Electrocardiograms are routinely obtained in clinical follow-up of patients with asymptomatic aortic stenosis (AS). The association with aortic valve, left ventricular (LV) response to long-term pressure load, and clinical covariates is unclear and the clinical value is thus uncertain. Data from clinical examination, electrocardiogram, and echocardiogram in 1,563 patients in the Simvastatin and Ezetimibe in Aortic Stenosis (SEAS) study were used. Electrocardiograms were Minnesota coded for arrhythmias and atrioventricular and intraventricular blocks; LV hypertrophy was assessed by Sokolow-Lyon voltage and Cornell voltage duration criteria; and strain by T-wave inversion and ST-segment depression. Degree of AS severity was evaluated by echocardiography as peak aortic jet velocity and LV mass was indexed by body surface area. After adjustment for age, gender, LV mass index, heart rate, systolic and diastolic blood pressures, blood glucose, digoxin, antiarrhythmic drugs, drugs acting on the renin angiotensin system, diuretics, beta blockers and calcium receptor blockers; peak aortic jet velocity was significantly greater in patients with electrocardiographic strain (mean difference 0.13 m/s, p <0.001) and LV hypertrophy by Sokolow-Lyon voltage criteria (mean difference 0.12 m/s, p = 0.004). After similar adjustment, LV mass index was significantly greater in patients with electrocardiographic strain (mean difference 14.8 g/cm(2), p <0.001) and LV hypertrophy by Sokolow-Lyon voltage criteria and Cornell voltage duration criteria (mean differences 8.8 and 17.8 g/cm(2), respectively, p <0.001 for the 2 comparisons). In multiple comparisons patients with electrocardiographic strain had increased peak aortic jet velocity, blood glucose, and uric acid, whereas patients with LV hypertrophy by Sokolow-Lyon voltage criteria were younger and patients with LV hypertrophy by Cornell voltage duration criteria more often were women. In conclusion, electrocardiographic criteria for LV hypertrophy and strain are independently associated with peak aortic jet velocity and LV mass index. Moreover, clinical covariates differ significantly between patients with electrocardiographic strain and those with LV hypertrophy by Sokolow-Lyon voltage criteria and Cornell voltage duration criteria. (C) 2011 Elsevier Inc. All rights reserved. (Am J Cardiol 2011;108:541-547)
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9.
  • Greve, Anders M., et al. (författare)
  • Impact of QRS Duration and Morphology on the Risk of Sudden Cardiac Death in Asymptomatic Patients With Aortic Stenosis The SEAS (Simvastatin and Ezetimibe in Aortic Stenosis) Study
  • 2012
  • Ingår i: Journal of the American College of Cardiology. - New York : Elsevier USA. - 0735-1097 .- 1558-3597. ; 59:13, s. 1142-1149
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives The aim of the study was to examine the predictive value of QRS duration and morphology during watchful waiting in asymptomatic patients with aortic stenosis (AS). Background QRS duration and morphology are associated with poor prognosis in many different populations, but the predictive value, particularly of the risk of sudden cardiac death (SCD), in asymptomatic patients with AS has not been well studied. Methods Data were obtained in asymptomatic AS patients randomized to simvastatin/ezetimibe combination versus placebo in the SEAS (Simvastatin and Ezetimibe in Aortic Stenosis) study. The impact of QRS duration, evaluated as a categorical variable of <85 ms versus 85 to 99 ms and >= 100 ms (excluding bundle branch block [BBB]) and QRS morphology in those with BBB, on cardiovascular morbidity and mortality was assessed by adjusting for clinical and echocardiographic covariates. Results QRS data were available in 1,542 patients who were followed for a mean of 4.3 +/- 0.8 years (6,631 patient-years of follow-up). There were 68 cardiovascular deaths (4.6%), including 27 SCDs (1.8%). QRS duration was <85 ms in 900 patients (58.4%), 85 to 99 ms in 396 (25.7%), >= 100 ms in those without BBB in 144 (9.3%), and 102 (6.6%) in those with BBB. In multivariable analyses, those with QRS duration >= 100 ms had, compared with those with QRS duration <85 ms, a 5-fold higher risk of SCD (95% confidence interval: 1.8 to 13.7, p = 0.002) and a 2.5-fold higher risk of cardiovascular death (95% confidence interval: 1.2 to 5.1, p = 0.01). Conclusions QRS duration and morphology in asymptomatic patients with AS are independently associated with a poor prognosis, particularly the risk of SCD. (Simvastatin Ezetimibe in Aortic Stenosis [SEAS]; NCT00092677) (J Am Coll Cardiol 2012; 59: 1142-9) (C) 2012 by the American College of Cardiology Foundation
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10.
  • Greve, Anders M., et al. (författare)
  • Prognostic importance of atrial fibrillation in asymptomatic aortic stenosis: The Simvastatin and Ezetimibe in Aortic Stenosis study
  • 2013
  • Ingår i: International Journal of Cardiology. - : Elsevier. - 0167-5273 .- 1874-1754. ; 166:1, s. 72-76
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The frequency and prognostic importance of atrial fibrillation (AF) in asymptomatic mild-to-moderate aortic stenosis (AS) has not been well described. Methods: Clinical examination, electrocardiography and echocardiography were obtained in asymptomatic patients with mild-to-moderate AS and preserved left ventricular (LV) systolic function, randomized to simvastatin/ezetimibe combination vs. placebo in the Simvastatin and Ezetimibe in Aortic Stenosis (SEAS) study. At inclusion, AF was categorized as episodic or longstanding. Rhythm change was assessed on annual in-study electrocardiograms. Impact of AF on cardiovascular morbidity and mortality was determined by adjusting for biomarkers, clinical- and echocardiographic covariates. Results: Mean follow-up was 4.3 +/- 0.8 years (6,721 patient-years of follow-up). At baseline, episodic AF was present in 87 patients (5.6%), longstanding AF in 55 (3.5%) and no AF in 1,421 (90.9%). Incidence of new-onset AF was 1.2%/year; highest in those with impaired LV function. In multivariable analysis, longstanding AF was compared to no AF at baseline, associated with a 4.1-fold higher risk of heart failure (CI 1.2 to 13.8, p = 0.02) and a 4.8-fold higher risk of non-hemorrhagic stroke (CI 1.7 to 13.6, p = 0.003). Conclusion: Rate of AF is moderate in asymptomatic AS. Longstanding but not episodic AF was, independently predictive of increased risk of heart failure and non-hemorrhagic stroke. New-onset AF was associated with cardiac decompensation. (c) 2011 Elsevier Ireland Ltd. All rights reserved.
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