Survival analysis in arrhythmogenic/dilated cardiomyopathy caused by pathogenic DSP truncating variants

2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
A Lamounier Junior ◽  
D Alonso Garcia ◽  
G Fernandez Ferro ◽  
I.J Cardenas Reyes ◽  
J Salazar-Mendiguchia Y Garcia ◽  
...  

Abstract Background Desmoplakin (DSP) truncating variants have been associated with arrhythmogenic cardiomyopathy (ACM), which can exclusively affect the left ventricle up to 30% of the cases. Nonetheless, data on prognosis in carriers is still limited. Purpose To evaluate survival free of cardiovascular events in carriers of pathogenic DSP truncating variants. Methods Clinical and genetic data on families carrying DSP truncating variants (nonsense, frameshift, and splicing-site) in the literature were systematically revised and collected in a dedicated database. Classification of variant pathogenicity was in accordance with ACMG criteria. We evaluated available follow-up data and constructed Kaplan-Meier survival curves free from cardiovascular death (sudden death, appropriate cardiodefibrillator shock, heart failure death, and stroke-related death) or heart transplant based. Long-rank test was used to compare event-free survival time between genders. Results 707 carriers (336 index cases and 371 relatives; 51.1% were female carriers) were identified carrying 198 variants (90 nonsense, 89 frameshift, 19 splicing-site). 292 had ACM, 136 dilated cardiomyopathy (DCM), eight cases of unexplained sudden death, 120 were unaffected carriers, and no clinical data was reported in 151 carriers. In addition, 73 affected relatives without genetic testing were reported (28 had ACM, 28 DCM, and 17 unexplained sudden deaths). Survival data was reported for 449 individuals (221 males; 228 females). Eight-one had suffered events: 57 sudden cardiac death (32 males), 10 heart failure deaths (7 males), 7 transplants (5 males), 6 cardiodefibrillator shock (4 females), and one stroke-related death (1 female). Incidence of cardiovascular death or transplant was higher in males than females (p=0.012), with annual incidence between ages 30–70 of 0.84%/year in males and 0.72%/year in females. Mortality at the age of 50 years was 31% for males and 16% for females. Conclusion DSP truncating variants are associated with a relevant risk of cardiovascular death, which is higher in males, especially after age 30. More than 70% of the events were sudden deaths. DSP truncating variants survival curves Funding Acknowledgement Type of funding source: Private company. Main funding source(s): Health in Code SA

2021 ◽  
Vol 42 (Supplement_1) ◽  
Author(s):  
A Lamounier Junior ◽  
D Alonso Garcia ◽  
G Fernandez Ferro ◽  
I J Cardenas Reyes ◽  
M Noel Brogger ◽  
...  

Abstract Purpose To evaluate survival free of cardiovascular events in carriers of the three most frequent TPM1 pathogenic hypertrophic cardiomyopathy (HCM) variants. Methods Clinical and genetic data on families carrying TPM1 variants in the literature and identified in our center were systematically revised and collected in a database. Classification of variant's pathogenicity was in accordance with ACMG criteria. We evaluated available follow-up data and constructed Kaplan-Meier survival curves to cardiovascular death (sudden death, appropriate cardiodefibrillator shock, heart failure death, and stroke-related death) or heart transplant. Long-rank test was used to compare event-free survival time. Results 562 carriers (343 HCM-probands and 219 relatives; 51.3% male carriers) were identified carrying 73 missense variants considered disease causing. TPM1 p.Asp175Asn (87 probands, 109 relatives, 6 unaffected), p.Arg21Leu (52 probands, 25 relatives, 16 unaffected), and p.Met281Val (37 probands, 8 relatives, 9 unaffected) were the most prevalent HCM-variants. Among these three variants, survival data was reported for 508 individuals. Eight-nine carriers had suffered events: 74 sudden deaths (55% males), nine heart failure deaths (44% males), two transplants (50% males), and five stroke-related death (25% males). Incidence of cardiovascular death or transplant was similar between TPM1 p.Arg21Leu and p.Met281Val (p=0.75) and different than p.Asp175Asn (p=0.03 and p=0.06, respectively) and all TPM1 variants (p=0.004 and p=0.04). Analysis by sex showed TPM1 p.Arg21Leu female carriers had better prognosis than p.Asp175Asn male carriers (p=0.048) and all TPM1 male and female carriers (p=0.02 and p=0.04) (curves not showed in the graph). Conclusion TPM1 p.Arg21Leu and p.Met281Val could have a better prognosis than p.Asn175Asn and all other TPM1 missense variants in HCM. No marked difference was observed between male and female carriers. More than 80% of the events were arrhythmic deaths. FUNDunding Acknowledgement Type of funding sources: Private company. Main funding source(s): HEALTH IN CODE SL


2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
K.W Mahaffey ◽  
G Bakris ◽  
J Blais ◽  
C.P Cannon ◽  
D Cherney ◽  
...  

Abstract Background People with type 2 diabetes mellitus (T2DM) have a greater risk of cardiovascular (CV) disease, including hospitalization for heart failure (HHF), a complication that is more common as renal function declines. The sodium glucose co-transporter 2 (SGLT2) inhibitor canagliflozin (CANA) reduced the risk of HHF in patients with T2DM and high CV risk or nephropathy in the CANVAS Program and CREDENCE trials, respectively. Methods This post hoc analysis included integrated, pooled data from the CANVAS Program and the CREDENCE trial. The effects of CANA compared with placebo on CV death or HHF, HHF, and CV death were assessed in subgroups defined by baseline eGFR (<45, 45–60, and >60 mL/min/1.73 m2). Hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated using Cox regression models, with subgroup by treatment interaction terms added to test for heterogeneity. Interaction P values were calculated by including treatment group and baseline eGFR in the model. Results A total of 14,543 participants from the CANVAS Program (N=10,142) and CREDENCE (N=4,401) were included, with mean age, 65 y; 65% male; 75% white; mean eGFR 70.3 mL/min/1.73 m2. 1919 (13.2%) participants had baseline eGFR <45 mL/min/1.73 m2 (mean, 36.7 mL/min/1.73 m2), 2972 (20.4%) participants had eGFR 45–60 mL/min/1.73 m2 (mean, 53.1 mL/min/1.73 m2), and 9649 (66.3%) participants had eGFR >60 mL/min/1.73 m2 (mean, 82.3 mL/min/1.73 m2). Rates of CV death or HHF, HHF, and CV death increased as eGFR declined (Figure). CANA significantly reduced the risk of CV death or HHF and HHF compared with PBO, with consistent effects observed across subgroups. Conclusions CV death or HHF, HHF, and CV death event rates increased with lower baseline eGFR. CANA significantly reduced the risk of CV death or HHF, jointly and individually, in participants with T2DM and high CV risk or CKD in the CANVAS Program and the CREDENCE trial, with consistent benefits observed regardless of baseline eGFR. Funding Acknowledgement Type of funding source: Private company. Main funding source(s): Janssen Scientific Affairs, LLC


2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
F Sera ◽  
T Ohtani ◽  
K Nakamoto ◽  
T Yamada ◽  
Y Yasumura ◽  
...  

Abstract Background Heart failure (HF) with preserved ejection fraction (HFpEF) can develop pulmonary hypertension (PH), which can result from pre-capillary PH as well as post-capillary PH. However, the prevalence and clinical significance of pre-capillary component of PH in HFpEF remain unknown. Purpose We aimed to investigate prevalence, clinical features, and prognostic impact of pre-capillary and/or post capillary PH associated with HFpEF. Methods From the PURSUIT-HFpEF (Prospective Multicenter Observational Study of Patients with Heart Failure with Preserved Ejection Fraction) registry, 204 patients (men: 46%, age: 79±9 years) who were hospitalized with HF and underwent right heart catheterization were divided into 4 groups according to the PH guidelines: non-PH, isolated post-capillary PH (Ipc-PH), pre-capillary PH, and combined pre- and post-capillary PH (Cpc-PH). Patients who had been diagnosed with idiopathic pulmonary arterial hypertension were excluded from the analysis. Results The prevalence of PH was 31% (Ipc-PH: 22%, pre-capillary PH: 3%, Cpc-PH: 6%). The prevalence of subcategories of PH was significantly different depending on mean right atrial pressure (RAP) (figure). Echocardiography at discharge showed no significant differences in RV diameter or TAPSE, but smaller LV diameter and higher E/e' in pre-capillary PH and Cpc-PH, which resulted in a higher operant diastolic elastance (Ed). Composite endpoint of all-cause mortality and HF hospitalization at 1 year occurred 13% in non-PH, 25% in Ipc-PH, 49% in pre-capillary PH, and 63% in Cpc-PH, respectively (p=0.001 by log-rank test). Conclusions Distinct prevalence of PH was observed in the groups with different RAP levels. Pre-capillary component of PH was associated with impaired LV diastolic function and worse outcomes in HFpEF. Figure 1 Funding Acknowledgement Type of funding source: Private company. Main funding source(s): Roche Diagnostics K.K.; Fuji Film Toyama Chemical Co. Ltd


2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
S Jimenez ◽  
M Cainzos-Achirica ◽  
D Monterde ◽  
L Garcia-Eroles ◽  
C Enjuanes ◽  
...  

Abstract Background Prevalence of congestive heart failure (CHF) and predisposing conditions has described previously. Most of these studies evaluated centre-European or north-American populations. However, the prevalence and evolutionary changes of Heart Failure stages A, B and C has not been fully elucidated in Mediterranean cohorts. Purpose To estimate the prevalence of CHF (HF Stage C) and four additional key chronic cardiovascular, metabolic and renal conditions predisposing to the development of CHF (HF Stages A and B) at a population level in a south-European healthcare area. We analysed the evolutionary changes in the prevalence in these five conditions. Methods In a healthcare area of 1,3Millions inhabitants, we extracted health related information of all individuals ≥55 years old. We analysed data of 375,233 individuals included in the population-based healthcare database of a public Institute of Health between 2015 and 2017. The conditions of interest were CHF, chronic kidney disease (CKD), diabetes mellitus (DM), ischemic heart disease (IHD) and hypertension (HTN). Results The prevalence of chronic conditions was high, particularly of HTN (48.2–48.9%) and DM individuals (14.6–14.8%). The other conditions were less frequent, with prevalence around 2–4% for IHD, 5–9% for CKD and 2–4% for CHF (Table). However, the less frequent conditions had a striking upward trend with over 1,500 new prevalent cases per year between 2015 and 2017 for CHF (45% relative increase), more than 2,500 new prevalent cases for IHD (67% relative increase) and more than 4,000 new prevalent cases per year for CKD (44% relative increase). Conclusion In this south European cohort, there were a high prevalence of HTN and DM as risk factors and a significant trend of increasing prevalence in high cost chronic conditions such as CHF, IHD and CKD. Funding Acknowledgement Type of funding source: Private company. Main funding source(s): The present study was funded by an unrestricted research grant from Vifor Pharma.


2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
S Selvaraj ◽  
B.L Claggett ◽  
D.V Veldhuisen ◽  
I.S Anand ◽  
B Pieske ◽  
...  

Abstract Background Serum uric acid (SUA) is a biomarker of several pathobiologies relevant to the pathogenesis of heart failure with preserved ejection fraction (HFpEF), though by itself may also worsen outcomes. In HF with reduced EF, SUA is independently associated with adverse outcomes and sacubitril/valsartan reduces SUA compared to enalapril. These effects in HFpEF have not been delineated. Purpose To determine the prognostic value of SUA, relationship of change in SUA to quality of life and outcomes, and influence of sacubitril/valsartan on SUA in HFpEF. Methods We analyzed 4,795 participants from the Prospective Comparison of ARNI with ARB Global Outcomes in HF with Preserved Ejection Fraction (PARAGON-HF) trial. We related baseline hyperuricemia to the primary outcome (CV death and total HF hospitalization), its components, myocardial infarction or stroke, and a renal composite outcome. At the 4-month visit, the relationship between SUA change and Kansas City Cardiomyopathy Questionnaire overall summary score (KCCQ-OSS) and several biomarkers including N-terminal pro-B-type natriuretic peptide (NT-proBNP) were also assessed. We simultaneously adjusted for baseline and time-updated SUA to determine whether lowering SUA was associated with clinical benefit. Results Average age was 73±8 years and 52% were women. After multivariable adjustment, hyperuricemia was associated with increased risk for most outcomes (primary outcome HR 1.61, 95% CI 1.37, 1.90, Fig 1A). The treatment effect of sacubitril/valsartan for the primary outcome was not modified by baseline SUA (interaction p=0.11). Sacubitril/valsartan reduced SUA −0.38 mg/dL (95% CI: −0.45, −0.31) compared with valsartan (Fig 1B), with greater effect in those with baseline hyperuricemia (−0.50 mg/dL) (interaction p=0.013). Change in SUA was independently and inversely associated with change in KCCQ-OSS (p=0.019) and eGFR (p<0.001), but not NT-proBNP (p=0.52). Time-updated SUA was a stronger predictor of adverse outcomes over baseline SUA. Conclusions SUA independently predicts adverse outcomes in HFpEF. Sacubitril/valsartan significantly reduces SUA compared to valsartan, an effect that was stronger in those with higher baseline SUA, and reducing SUA was associated with improved outcomes. Funding Acknowledgement Type of funding source: Private company. Main funding source(s): Novartis


2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
L.H Lund ◽  
U Zeymer ◽  
A.L Clark ◽  
V Barrios ◽  
T Damy ◽  
...  

Abstract Background In Europe, heart failure (HF) is managed in variable settings and frequently in office-based practice. In HF with reduced ejection fraction (HFrEF) there is now extensive evidence based therapy, but implementation is inconsistent, variable and overall inadequate. The Assessment of Real lIfe cAre –Describing EuropeaN hEart failure management (ARIADNE) registry aimed to assess in detail how outpatients with HFrEF are managed in Europe in contemporary practice. Methods ARIADNE was a prospective non-interventional registry of patients with HFrEF (NYHA class II-IV) treated by office-based cardiologists or selected primary care physicians (recognized as HF specialists) in a real world setting. Patients were enrolled in 687 centres in 17 European countries, and studied at baseline and after 6 and 12 months. Key pre-specified outcomes were deaths, hospitalizations, emergency department visits, and office visits, and their primary reasons. Results Over 20 months, we enrolled 9069 patients; median age 69 (19–96) years, 24% women, with 30% older than 75 years, 61% NYHA class II, with a median EF 35% (30–40%). Over a median follow-up of 353 (1–631) days, 382 patients (4.3%) died, with 171 cardiovascular deaths (1.9%). The rates of total hospitalizations overall, for HF, and for non-HF cardiovascular reasons were 19.3, 8.1, and 4.8 per 100 patient years, respectively; and rates of emergency department visits overall, for HF reasons, and for non-HF CV reason were 7.7, 1.6, and 1.8, respectively. The number of HF office visits were on average 1.0 per patient. Conclusions In this large multinational HFrEF registry with detailed data on cause-specific outcomes and health care utilization, incidence of death was low and outpatient HF visits were few, but incidence of HF and CV hospitalization and emergency department visits was high. Funding Acknowledgement Type of funding source: Private company. Main funding source(s): Novartis AG, Switzerland


Author(s):  
Akshay S. Desai ◽  
Muthiah Vaduganathan ◽  
John G. Cleland ◽  
Brian L. Claggett ◽  
Ebrahim Barkoudah ◽  
...  

Background: Patients with heart failure (HF) and preserved left ventricular ejection fraction comprise a heterogeneous group including some with mildly reduced EF. We hypothesized that mode of death differs by EF in ambulatory patients with HF and preserved left ventricular ejection fraction. Methods: PARAGON-HF trial (Prospective Comparison of Angiotensin Receptor–Neprilysin Inhibitor With Angiotensin-Receptor Blocker Global Outcomes in Heart Failure With Preserved Ejection Fraction) compared clinical outcomes in 4796 patients with chronic HF and EF ≥45% randomly assigned to sacubitril/valsartan or valsartan. We examined the mode of death in relation to baseline EF in logistic regression models and the effect of randomized treatment on cause-specific death in Cox regression models. Nonlinear relationships with continuous EF were modelled using quadratic and cubic terms. Results: Of 691 deaths during the trial, 416 (60%) were ascribed to cardiovascular, 220 (32%) to noncardiovascular, and 55 (8%) to unknown causes. Of cardiovascular deaths, 154 (37%) were due to sudden death, 118 (28%) were due to HF, 35 (8%) to stroke, 27 (6%) to myocardial infarction, and 82 (20%) to other cardiovascular causes. Rates of all-cause, cardiovascular, and sudden death were higher in those with lower left ventricular ejection fraction (all P <0.001), while rates of non-cardiovascular death were greater in patients with higher EF. Sacubitril/valsartan did not reduce overall death, cardiovascular death, or sudden death compared with valsartan, irrespective of baseline EF (all P for interaction >0.30). Conclusions: Among patients with HF and preserved left ventricular ejection fraction enrolled in PARAGON-HF, the proportion of cardiovascular and sudden death were higher in those with lower left ventricular EF, and the proportion of noncardiovascular death rose with EF. Regardless of EF, sacubitril/valsartan did not reduce death from any cause compared with valsartan. REGISTRATION: URL: https://www.clinicaltrials.gov ; Unique identifier: NCT01920711.


2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
R Lahoz ◽  
S Corda ◽  
C Proudfoot ◽  
A.F Fonseca ◽  
S Cotton ◽  
...  

Abstract Background and purpose The majority of patients with heart failure (HF) have difficulties in independently carrying out activities of daily living and hence, require support from caregivers (CGs). This study assessed the quality of life (QoL) of CGs of HF patients with sub-normal LVEF (≤60%). Methods A cross-sectional survey of HF patients and their CGs was conducted in France, Germany, Italy, Spain and the UK. Cardiologists and primary care physicians completed patient record forms (PRF) between June and November 2019. Caregivers of the same patients were invited to complete a caregiver self-completion survey, which included the Family Caregiver QoL Scale (FAMQOL) and EQ-5D. Patient demographics were derived from PRFs. Results 361 CGs (73.1% female, mean age: 58.8 yrs) and HF patients (39.9% female, mean age: 71.2 yrs) were included. 58.2% of the CGs were spouses, 23.4% a child of the patient. On average, CGs devoted 20 hrs/week in the care of HF patients; this CG time increased from 12 to 26 hrs/week with NYHA class I to III/IV of the HF patient. Further, anxiety/stress was experienced overall by 29/31% of CGs which increased from 27/17% for NYHA I to 40/41% for NYHA III/IV of the HF patient (Table 1). Conclusions Caregivers of patients with HF and LVEF ≤60% spend a significant amount of time to provide daily support to HF patients. Patients with progressive disease were older, more polymorbid and had a higher disease duration. These factors likely contributed towards increased caregiver burden of HF patients with increased NYHA class. Funding Acknowledgement Type of funding source: Private company. Main funding source(s): Novartis Pharma AG


2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
I.J Lundorff ◽  
M Sengeloev ◽  
S Pedersen ◽  
D Modin ◽  
N.E Bruun ◽  
...  

Abstract Background RV dysfunction is associated with increased mortality and morbidity in patients with heart failure. Due to the complex shape and position of the RV, assessing RV function from echocardiographic images remains a challenge. Purpose We have previously found that global longitudinal strain from 2DSTE is superior to left ventricular ejection fraction (LVEF) in identifying HFrEF patients with high risk of mortality. In this study we wanted to examine RV 2DSTE in patients with HFrEF and compare its prognostic value to conventional RV measures. Methods and results Echocardiographic examinations were retrieved from 701 patients with HFrEF. RV estimates were analysed offline, and end point was all-cause mortality. During follow-up (median 39 months) 118 patients (16.8%) died. RV GLS and RV FWS remained associated with mortality after multivariable adjustment, independent of TAPSE (RV GLS: HR 1.07, 95% CI 1.02–1.13, p=0.010, per 1% decrease) (RV FWS: HR 1.05, 95% CI 1.01–1.09, p=0.010, per 1% decrease). This seemed to be caused by significant associations in men as TAPSE remained as the only independent prognosticator in women. All RV estimates provided prognostic information incremental to established risk factors and significantly increased C-statistics (TAPSE: 0.74 to 0.75; RVFAC: 0.74 to 0.75; RVFWS: 0.74 to 0.77; RVGLS: 0.74 to 0.77). Conclusions RV strain from 2DSTE was associated with mortality in patients with HFrEF, independent of TAPSE and established risk factors. Our results indicate that RV strain is particularly valuable in male patients, whereas in women TAPSE remains a stronger prognosticator. RV GLS and the risk of mortality Funding Acknowledgement Type of funding source: Private company. Main funding source(s): PGJ reports receiving lecture fee from Novo Nordisk.


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