scholarly journals Prognostic utility of lipoprotein(a) combined with fibrinogen in patients with stable coronary artery disease: a prospective, large cohort study

2020 ◽  
Vol 18 (1) ◽  
Author(s):  
Yan Zhang ◽  
Jing-Lu Jin ◽  
Ye-Xuan Cao ◽  
Hui-Hui Liu ◽  
Hui-Wen Zhang ◽  
...  

Abstract Background Elevated lipoprotein(a) [Lp(a)] and fibrinogen (Fib) are both associated with coronary artery disease (CAD). The atherogenicity of Lp(a) can be partly due to the potentially antifibrinolytic categories. We hypothesize that patients with higher Lp(a) and Fib may have worse outcomes. Methods In this prospective study, we consecutively enrolled 8,417 Chinese patients with stable CAD from March 2011 to March 2017. All subjects were divided into 9 groups according to Lp(a) (Lp(a)-Low, Lp(a)-Medium, Lp(a)-High) and Fib levels (Fib-Low, Fib-Medium, Fib-High) and followed up for CVEs, including nonfatal acute myocardial infarction, stroke, and cardiovascular mortality. Kaplan–Meier, Cox regression and C-statistic analyses were performed. Results During a median of 37.1 months’ follow-up, 395 (4.7%) CVEs occurred. The occurrence of CVEs increased by Lp(a) (3.5 vs. 5.3 vs. 5.6%, p = 0.001) and Fib (4.0 vs. 4.4 vs. 6.1%, p < 0.001) categories. When further classified into 9 groups by Lp(a) and Fib levels, the CVEs were highest in the 9th (Lp(a)-High and Fib-High) compared with the 1st (Lp(a)-Low and Fib-Low) group (7.2 vs. 3.3%, p < 0.001). The highest risk of subsequent CVEs was found in the 9th group (HRadjusted 2.656, 95% CI 1.628–4.333, p < 0.001), which was more significant than Lp(a)-High (HRadjusted 1.786, 95% CI 1.315–2.426, p < 0.001) or Fib-High (HRadjusted 1.558, 95% CI 1.162–2.089, p = 0.003) group. Moreover, adding the combined Lp(a) and Fib increased the C-statistic by 0.013. Conclusion Combining Fib and Lp(a) enhance the prognostic value for incident CVEs beyond Lp(a) or Fib alone.

2020 ◽  
Author(s):  
Yan Zhang ◽  
Jing-Lu Jin ◽  
Ye-Xuan Cao ◽  
Hui-Hui Liu ◽  
Hui-Wen Zhang ◽  
...  

Abstract Background: Elevated lipoprotein(a) [Lp(a)] and fibrinogen (Fib) are both associated with coronary artery disease (CAD). The atherogenicity of Lp(a) can be partly due to the potentially antifibrinolytic categories. We hypothesize that patients with higher Lp(a) and Fib may have worse outcomes. Methods: In this prospective study, we consecutively enrolled 8,417 Chinese patients with stable CAD from March 2011 to March 2017. All subjects were divided into 9 groups according to Lp(a) (Lp(a)-Low, Lp(a)-Medium, Lp(a)-High) and Fib levels (Fib-Low, Fib-Medium, Fib-High) and followed up for CVEs, including nonfatal acute myocardial infarction, stroke, and cardiovascular mortality. Kaplan-Meier, Cox regression and C-statistic analyses were performed.Results: During a median of 37.1 months’ follow-up, 395 (4.7%) CVEs occurred. The occurrence of CVEs increased by Lp(a) (3.5% vs. 5.3% vs. 5.6%, p=0.001) and Fib (4.0% vs. 4.4% vs. 6.1%, p<0.001) categories. When further classified into 9 groups by Lp(a) and Fib levels, the CVEs were highest in the 9th (Lp(a)-High and Fib-High) compared with the 1st (Lp(a)-Low and Fib-Low) group (7.2% vs. 3.3%, p<0.001). The highest risk of subsequent CVEs was found in the 9th group (HRadjusted 2.656, 95% CI 1.628-4.333, p<0.001), which was more significant than Lp(a)-High (HRadjusted 1.786, 95% CI 1.315-2.426, p<0.001) or Fib-High (HRadjusted 1.558, 95% CI 1.162-2.089, p=0.003) group. Moreover, adding the combined Lp(a) and Fib increased the C-statistic by 0.013.Conclusion: Combining Fib and Lp(a) enhance the prognostic value for incident CVEs beyond Lp(a) or Fib alone.


2020 ◽  
Author(s):  
Yan Zhang ◽  
Jing-Lu Jin ◽  
Ye-Xuan Cao ◽  
Hui-Hui Liu ◽  
Hui-Wen Zhang ◽  
...  

Abstract Background: Elevated lipoprotein(a) [Lp(a)] and fibrinogen (Fib) are both associated with coronary artery disease (CAD) and the atherogenicity of Lp(a) can be partly due to the potentially antifibrinolytic categories. We hypothesize that patients with higher Lp(a) and Fib may have worse outcomes. Methods: In this prospective study, we consecutively enrolled 8,417 patients with stable CAD from March 2011 to March 2017. All subjects were divided into 9 groups according to Lp(a) (Lp(a)-Low, Lp(a)-Medium, Lp(a)-High) and Fib levels (Fib-Low, Fib-Medium, Fib-High) and followed up for CVEs, including nonfatal acute myocardial infarction, stroke, and cardiovascular mortality. Caplan-Meier, Cox regression and C-statistic analyses were performed.Results: During a median of 37.1 months’ follow-up, 395 (4.7%) CVEs occurred. The occurrence of CVEs increased by Lp(a) (3.5% vs. 5.3% vs. 5.6%, p=0.001) and Fib (4.0% vs. 4.4% vs. 6.1%, p<0.001) categories. When further classified into 9 groups by Lp(a) and Fib levels, the CVEs were highest in the 9th (Lp(a)-High and Fib-High) compared with the 1st (Lp(a)-Low and Fib-Low) group (7.2% vs. 3.3%, p<0.001). The highest risk of subsequent CVEs was found in the 9th group (HRadjusted 2.656, 95% CI 1.628-4.333, p<0.001), which was more significant than Lp(a)-High (HRadjusted 1.786, 95% CI 1.315-2.426, p<0.001) or Fib-High (HRadjusted 1.558, 95% CI 1.162-2.089, p=0.003) group. Moreover, adding the combined Lp(a) and Fib increased the C-statistic by 0.013.Conclusion: Combining Fib and Lp(a) enhance the prognostic value for incident CVEs beyond Lp(a) or Fib alone.


2018 ◽  
Vol 47 (04) ◽  
pp. 778-790 ◽  
Author(s):  
Gard Svingen ◽  
Eva Pedersen ◽  
Reinhard Seifert ◽  
Jan Kvaløy ◽  
Øivind Midttun ◽  
...  

AbstractSystemic fibrinogen and neopterin are related to inflammation. We investigated the prognostic utility and possible interactions of these biomarkers in stable coronary artery disease (SCAD) patients undergoing coronary angiography. We included 3,545 patients with suspected stable angina with a median follow-up of 7.3 and 10.2 years for incident acute myocardial infarction (AMI) and all-cause mortality, respectively. Prospective associations were explored by Cox regression. Potential effect modifications were investigated according to strata of fibrinogen, neopterin or high-sensitivity troponin T (hsTnT) below and above the median, as well as gender and smoking habits. During follow-up, 543 patients experienced an AMI and 769 patients died. In a multivariable model, the hazard ratios (HRs; 95% confidence interval [CI]) per 1 SD increase for fibrinogen in relation to these endpoints were 1.30 (1.20, 1.42; p < 0.001) and 1.22 (1.13, 1.31; p < 0.001), respectively. For neopterin, the HRs (95% CI) were 1.31 (1.23, 1.40; p < 0.001) and 1.24 (1.15, 1.34; p < 0.001), respectively. No significant interaction between fibrinogen and neopterin was observed. The prognostic utility of neopterin for incident AMI was improved in patients with an hsTnT above the median, for total mortality in non-smokers, and for both total mortality and AMI in females. In conclusion, both fibrinogen and neopterin were associated with future AMI and total mortality, but had low discriminatory impact. No interaction was observed between these two biomarkers. The prognostic utility of neopterin was improved in patients with hsTnT levels above the median, and in females and non-smokers.


Heart ◽  
2020 ◽  
Vol 106 (16) ◽  
pp. 1228-1235 ◽  
Author(s):  
Hui-Hui Liu ◽  
Ye-Xuan Cao ◽  
Jing-Lu Jin ◽  
Hui-Wen Zhang ◽  
Qi Hua ◽  
...  

ObjectiveWhether lipoprotein(a) (Lp(a)) is a predictor for recurrent cardiovascular events (RCVEs) in patients with coronary artery disease (CAD) has not been established. This study, hence, aimed to examine the potential impact of Lp(a) on RCVEs in a real-world, large cohort of patients with the first cardiovascular event (CVE).MethodsIn this multicentre, prospective study, 7562 patients with angiography-diagnosed CAD who had experienced a first CVE were consecutively enrolled. Lp(a) concentrations of all subjects were measured at admission and the participants were categorised according to Lp(a) tertiles. All patients were followed-up for the occurrence of RCVEs including cardiovascular death, non-fatal myocardial infarction and stroke.ResultsDuring a mean follow-up of 61.45±19.57 months, 680 (9.0%) RCVEs occurred. The results showed that events group had significantly higher Lp(a) levels than non-events group (20.58 vs 14.95 mg/dL, p<0.001). Kaplan-Meier analysis indicated that Lp(a) tertile 2 (p=0.001) and tertile 3 (p<0.001) groups had significantly lower cumulative event-free survival rates compared with tertile 1 group. Moreover, multivariate Cox regression analysis further revealed that Lp(a) was independently associated with RCVEs risk (HR: 2.01, 95% CI: 1.44 to 2.80, p<0.001). Moreover, adding Lp(a) to the SMART risk score model led to a slight but significant improvement in C-statistic (∆C-statistic: 0.018 (95% CI: 0.011 to 0.034), p=0.002), net reclassification (6.8%, 95% CI: 0.5% to 10.9%, p=0.040) and integrated discrimination (0.3%, 95% CI: 0.1% to 0.7%, p<0.001).ConclusionsCirculating Lp(a) concentration was indeed a useful predictor for the risk of RCVEs in real-world treated patients with CAD, providing additional information concerning the future clinical application of Lp(a).


Circulation ◽  
2014 ◽  
Vol 130 (suppl_2) ◽  
Author(s):  
Claes Held ◽  
Harvey D White ◽  
Ralph A Stewart ◽  
Andrzej Budaj ◽  
Christopher P Cannon ◽  
...  

Introduction: Prognostication of outcome in patients with stable coronary artery disease (CAD) is currently based on clinical characteristics and biomarkers indicating dysglycemia, dyslipidemia, renal dysfunction and possibly cardiac biomarkers. Hypothesis: We assessed the incremental prognostic value of biomarkers of inflammation in the Stabilization of Atherosclerotic Plaque By Initiation of Darapladib Therapy (STABILITY) trial. Methods: In STABILITY, 15,828 patients with chronic CAD on optimal medical treatment were randomized to treatment with darapladib or placebo. Serum levels of hs-C-reactive protein (CRP) and Interleukin (IL)-6 were measured at randomization in 14,373 and 4733 patients, respectively. Centrally adjudicated outcome events were accumulated during a median of 3.7 years follow-up. The associations between levels of the biomarkers and outcomes were evaluated by multivariable Cox regression. Results: The impact of biomarker levels at baseline in relation to the composite endpoint, MACE (major adverse cardiovascular event), of cardiovascular (CV) death, myocardial infarction (MI) and stroke, and its individual components are presented in the Table. Both hs-CRP and IL-6 provided strong prognostic information in addition to clinical predictors for outcomes of MACE, CV death and MI, but not for stroke. Conclusions: In conclusion, the cardiac biomarkers hs-CRP and IL-6, provided important complementary prognostic information on the risk of CV mortality and MI, but not for stroke in patients with stable CAD on optimal medical treatment.


Circulation ◽  
2020 ◽  
Vol 142 (Suppl_3) ◽  
Author(s):  
Huihui Liu ◽  
Yexuan Cao ◽  
Jinglu Jin ◽  
Hui-Wen Zhang ◽  
Qi Hua ◽  
...  

Introduction: Although emerging data have suggested that circulating lipoprotein(a) [Lp(a)] could predict cardiovascular events (CVEs) in patients with cardiovascular disease, no study is currently available regarding the prognostic significance of Lp(a) in patients with hypertension. Hypothesis: We assessed the hypothesis that there is a prognostic linkage between hypertension and Lp(a) concentrations in patients with coronary artery disease (CAD). Methods: A total of 8668 patients with stable CAD were consecutively enrolled. Baseline Lp(a) concentrations of them were measured. All subjects were categorized according to Lp(a) levels of <10 (low), 10-30 (medium) and 30 mg/dL (high) and were further stratified by hypertension status. They were regularly followed-up for the occurrence of cardiovascular death, non-fatal myocardial infarction and stroke. Results: Over an average of 54.81±18.60 months follow-up, 584 (6.7%) CVEs occurred. Kaplan-Meier and multivariate Cox regression analyses showed that elevated Lp(a) levels had a significant association with CVEs in hypertensive patients, regardless of the control status of blood pressure, but not in normotensive subjects. Moreover, when subgrouping according to both Lp(a) categories and hypertension status, the risk for CVEs was only significantly elevated in high Lp(a) plus hypertension group compared with the reference group with low Lp(a) levels and normotension (hazard ratio: 1.85, 95% confidence interval: 1.19-2.85). Conclusions: In conclusion, elevated Lp(a) was associated with higher risk for CVEs in CAD patients with hypertension and the coexistence of high Lp(a) concentrations and hypertension greatly worsened the clinical prognosis. Our findings may present a prognostic linkage between hypertension and Lp(a) concentrations in patients with CAD.


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