PurposeThe purpose of this study was to examine the trends in heart failure (HF) epidemiology and diagnostic work-up in Sweden.MethodsAdults with incident HF (≥2 ICD-10 diagnostic codes) were identified from linked national health registers (cohort 1, 2005–2013) and electronic medical records (cohort 2, 2010–2015; primary/secondary care patients from Uppsala and Västerbotten). Trends in annual HF incidence rate and prevalence, risk of all-cause and cardiovascular disease (CVD)-related 1-year mortality and use of diagnostic tests 6 months before and after first HF diagnosis (cohort 2) were assessed.ResultsBaseline demographic and clinical characteristics were similar for cohort 1 (N=174,537) and 2 (N=8,702), with mean ages of 77.4 and 76.6 years, respectively; almost 30% of patients were aged ≥85 years. From 2010 to 2014, age-adjusted annual incidence rate of HF/1,000 inhabitants decreased (from 3.20 to 2.91, cohort 1; from 4.34 to 3.33, cohort 2), while age-adjusted prevalence increased (from 1.61% to 1.72% and from 2.15% to 2.18%, respectively). Age-adjusted 1-year all-cause and CVD-related mortality was higher in men than in women among patients in cohort 1 (all-cause mortality hazard ratio [HR] men vs women 1.07 [95% CI 1.06–1.09] and CVD-related mortality subdistribution HR for men vs women 1.04 [95% CI 1.02–1.07], respectively). While 83.5% of patients underwent N-terminal pro-B-type natriuretic peptide testing, only 36.4% of patients had an echocardiogram at the time of diagnosis, although this increased overtime. In the national prevalent HF population (patients with a diagnosis in 1997–2004 who survived into the analysis period; N=273,999), death from ischemic heart disease and myocardial infarction declined between 2005 and 2013, while death from HF and atrial fibrillation/flutter increased (P<0.0001 for trends over time).ConclusionThe annual incidence rate of HF declined over time, while prevalence of HF has increased, suggesting that patients with HF were surviving longer over time. Our study confirms that previously reported epidemiological trends persist and remain to ensure proper diagnostic evaluation and management of patients with HF.
Background: Few studies are published on heart failure patients in primary health care, in elderly in advanced age. Objective: The purpose of this study was to examine the accuracy of the diagnosis of heart failure in all men and women with focus on age and gender. Methods: The patients were recruited from one selected primary health care in the city of Skellefteå, Sweden. The general practitioners included all patients who had symptoms and signs indicating heart failure. The patients were then referred for an echocardiographic examination and a final cardiology consultation. Results: The general practitioners identified 121 women and 49 men with suspected heart failure of whom 39% (51 women and 16 men) were above 80 years. Women were significantly older than men (mean age 78 and 75 years, respectively, p = 0.03). The main symptom was dyspnoea (80%). Confirmed heart failure was verified in 45% of the patients and was significantly more common in men than women (p = 0.02). Of all men and women above 80 years, 75% and 22%, respectively (p = 0.01) had a verified systolic heart failure, while there were no significant gender differences in patients younger than 80. In a multivariate regression analysis taking gender, age, smoking, atrial fibrillation, hypertension, angina, myocardial infarction and diabetes into account, myocardial infarction (OR = 4.3, CL = 1.8–10.6) hypertension (OR = 3.4, CI = 1.6–6.9) atrial fibrillation (OR = 2.8, CL = 1.0–7.9) remained significantly predictive of a confirmed diagnosis of heart failure. Conclusion: This study showed the difficulty of diagnosing heart failure accurately based only on clinical symptoms, especially in women above 80 years.
Elderly patients in primary healthcare with confirmed heart failure and patients with symptoms similar to heart failure perceived they had a significantly worse physical QoL and more general and physical fatigue than an age- and sex-matched control group. The similarities between the patient groups indicate the importance of the symptom experience for Hr-QoL.
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