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Aims Specialist cardiology care is associated with a prognostic benefit in patients with HF with reduced ejection fraction (HFrEF) admitted with decompensated heart failure (HF). However, up to one third of patients admitted with HF and normal ejection fraction (HFnEF) do not receive specialist cardiology input. Whether this has prognostic implications is unknown. Methods Data on patients hospitalised with HFnEF from two tertiary centres were analysed. The primary outcome measure was all-cause mortality during follow-up. The secondary outcome was in-hospital mortality. Results A total of 1,413 patients were included in the study. Of these, 23% (n=322) did not receive in-hospital specialist cardiology input. Patients seen by a cardiologist were less likely to have hypertension (73% vs 79%, p=0.03) and respiratory comorbidities (25% vs 31%, p=0.02) compared to those who did not receive specialist input. Similarly, clinical presentation was more severe for those who received specialist input (NYHA III/IV 83% vs 75% respectively, p=0.003; moderate-to-severe peripheral oedema 65% vs 54%, p Conclusion In-hospital cardiology specialist input has no long-term prognostic advantage in patients with HFnEF but it is independently associated with reduced in-hospital mortality.

Background Neutrophil–lymphocyte ratio (NLR) is an easily obtained inflammatory biomarker. Recently it has emerged as baseline NLR is independently associated with incident cardiovascular (CV) events and all-cause mortality. However, its role in acute myocarditis (AM) has not been evaluated. Purpose The aim of the present study was to investigate the prognostic value of NLR in patients with AM. Methods All consecutive patients with a diagnosis of AM admitted to two tertiary referral cardiac centres (King's College Hospital, London, UK and Azienda Sanitaria Universitaria Giuliano-Isontina, Trieste, Italy) between October 2006 and June 2020 were included in the study. Diagnosis was confirmed by either cardiac magnetic resonance or endomyocardial biopsy. The outcome measure was all-cause mortality. Patients were divided into two groups according to NLR value defined in previous studies (i.e, 2.5). Results A total of 260 patients with AM were included in the study. Baseline characteristics were comparable in both groups. Approximately two thirds of patients were males (n=175, 67%) with a mean age of 45±16 years. Main clinical presentation was predominantly infarct-like (n=189, 73%), followed by heart failure (HF) (n=46, 18%) and arrhythmic (n=25, 10%). Patients admitted with a HF presentation were more prevalent in the group with elevated NLR, while no difference was found in the other clinical presentations. For all patients, ECG features were comparable between groups. However, patients with elevated NLR presented with slightly lower LVEF (54±11% vs 49±13% respectively, p=0.001). Higher NLR was associated with worse prognosis (Figure 1, p=0.02). Conclusions The NLR is a promising and accessible inflammatory biomarker. In patients with AM, elevated NLR is associated with worse prognosis. Further research is advocated to confirm these data in larger populations.

Aims Acute myocarditis (AM) is a heterogeneous condition with variable estimates of survival. Contemporary criteria for the diagnosis of clinically suspected AM enable non-invasive assessment, resulting in greater sensitivity and more representative cohorts. We aimed to describe the demographic characteristics and long-term outcomes of patients with AM diagnosed using non-invasive criteria. Methods and Results A total of 199 patients with cardiac magnetic resonance (CMR)-confirmed AM were included. The majority (n=130, 65%) were male and the average age was 39±16 years. Half of patients were White (n=99, 52%) with the remainder from Black and Minority Ethnic (BAME) groups. The most common clinical presentation was with chest pain (n=156, 78%), with smaller numbers presenting with breathlessness (n=25, 13%) and arrhythmias (n=18, 9%). Patients admitted with breathlessness were sicker and more often required inotropes, steroids, and renal replacement therapy (p Conclusions AM is highly heterogeneous with an overall favourable prognosis. Three quarters of patients with AM present with chest pain and this is associated with a benign prognosis. AM presenting with life-threatening arrhythmias is associated with higher risk of adverse events.

Aims Dilated cardiomyopathy (DCM) is frequently caused by genetic factors. Studies identifying deleterious rare variants have predominantly focused on early-onset cases, and little is known about the genetic underpinnings of the growing numbers of patients with DCM who are diagnosed after 60 years of age (i.e. late-onset DCM). The aim is to investigate the prevalence, type, and prognostic impact of disease-associated rare variants in late-onset DCM patients. Methods and results We analysed a population of late-onset DCM patients who had undergone genetic testing in seven international tertiary referral centres worldwide. A positive genotype was defined as the presence of ‘pathogenic’ or ‘likely pathogenic’ (P/LP) variants. The study outcome was all-cause mortality. 184 patients over age 60 years (56% females, mean age 67 ± 6 years, mean left ventricular ejection fraction 32 ± 10%) were studied. Sixty-six patients (36%) were carriers of a P/LP variant. Titin truncating variants (TTNtv) were the most prevalent (present in 25% of the total population and accounting for 69% of all genotype-positive patients). During a median follow-up of 42 months (interquartile range: 10–115), 23 patients (13%) died; 17 of these (25%) were carriers of P/LP variants while six patients (5.1%) were genotype-negative (P Conclusions In the largest series worldwide, to date, of patients with late-onset DCM, we found a high prevalence of female sex and a high genetic mutation burden, largely due to TTNtv. Patients with a positive genetic test had higher mortality than genotype-negative patients. These findings support the extended use of genetic testing also in the elderly.