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Sökning: WFRF:(EDVARDSSON N) > Örebro universitet

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1.
  • Andersson, T., et al. (författare)
  • What do patients with incident atrial fibrillation and no comorbidities at the time of diagnosis die of?
  • 2017
  • Konferensbidrag (refereegranskat)abstract
    • Introduction: Little is known about the long-term mortality risk and the causes of death in patients without comorbidities at the time of diagnosis of atrial fibrillation (AF).Purposes: To identify the causes of death in patients with AF and without comorbidities at the time of AF diagnosis.Methods: We identified 9 519 patients with first diagnosed AF and no co-morbidities at the time of AF diagnosis in a nation-wide registry of patients hospitalized between 1995 and 2008. They represented 3.5% of the original cohort of 271186 patients hospitalized with incident AF. Patients with any diagnosis from ICD9 and ICD10 at the time of AF diagnosis wereexcluded. They were matched for age, sex and calendar year of AF diagnosis with 12 468 controls. The follow-up continued until December 2008. Causes of death were classified according to the ICD-10 codes.Results: During follow-up, 11.1% and 8.3% of patients with AF and controls died, HR 1.3, 95% CI 1.2–1.4. Most of the difference was explained by deaths of cardiovascular causes, 8.3% versus 3.9%, (HR 2.0, 95% CI 1.8–2.3). The cause of death pattern was the same in controls although at much lower rates. The age adjusted relative risk was higher in women than in men, HR 2.3, 95% CI 1.9–2.8 versus HR 1.7, 95% CI 1.4–2.0. Myocardial infarction was the most common cardiovascular cause of death but was less common among patients with AF than in controls, 20.5% versus 32.0%. Stroke was a more common cause among patients with AF, 13.1% versus 9.7% (HR 2.7, 95% CI 1.8–4.0), while cerebral hemorrhage was more common among controls, 4.7% versus 10.2% (HR 0.9, 95% CI 0.6–1.5). The time from AF diagnosis to death was 6.0±3.1 years, as compared to the time from inclusion to death, 5.8±3.1 years, in controls.Conclusions: Only cardiovascular diseases were more often causes of death than in controls. Women carried a significantly higher relative risk than men. The duration between AF diagnosis and death suggests that there is often time enough for early intervention with antithrombotic therapy, rhythm and/or rate control and treatment of risk factors as they appear. Interestingly, controls had the same cause of death pattern although at much lower rates.
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2.
  • Björkenheim, Anna, 1980-, et al. (författare)
  • Does zero atrial fibrillation burden after atrial fibrillation ablation mean that patients are free of symptoms?
  • 2017
  • Ingår i: Europace, Supplements. - : Oxford University Press. - 1099-6044 .- 1749-365X. ; 19:Duppl. 3, s. iii264-iii264
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction: Success of atrial fibrillation (AF) ablation is usually defined as freedom of AF, although symptomatic relief often is what the patient’s desire. After ablation the proportion of ‘silent’ AF increases and success based on symptomatic AF recurrence may be overestimated.Purpose: To investigate the symptomatology of patients who are truly free of AF after ablation.Methods: In 57 patients the symptomatology after AF ablation was assessed as perceived by the patient using a validated AF-specific symptom questionnaire (AF6) and the overall treatment effect (OTE), and as classified by the physician using the EHRA score, at baseline, 6, 12 and 24 months. The cardiac rhythm was continuously monitored by an implantable loop recorder throughout the 2-year follow-up.Results: At 6, 12 and 24 months 14 (26%), 23 (43%) and 23 (43%) patients had an AF burden 0% during the past 6 months, and 13 of them had an AF burden 0% during the entire 2 year follow-up. All patients reported ‘OTE better’ at all time-points. All patients were also classified into EHRA I at 6 months. Being completely free of AF for six months periods did not mean complete freedom of symptoms, but the median AF6 sum score was consistently low with a narrowing IQR over time, 0 (IQR 0-27), 0.5 (IQR 0-7) and 0 (IQR 0-11) at 6, 12 and 24 months. At 6 months 8/14 patients (57%) scored AF6=0, the others 6, 11, 26, 28, 30 and 46 points. At 12 months 13/23 patients (56%) scored AF6=0, the others 1,1,3,3,5,7,7,7,14 and 22 points. At 24 months 12/23 (52%) patients scored AF6=0, the others 1, 1, 2, 4, 9, 11, 17, 20, 24, 32 and 42 points. Among the AF6 items, ‘worry/anxiety due to AF’ was the most common, while ‘tiredness due to AF’ was the highest scoring item. In the patients with AF burden 0% during the entire 2-year follow-up all patients were improved in OTE and all patients were classified into EHRA class I at all times after ablation and the median AF6 sum score was 4 (IQR0-28), 0.5 (IQR 0-8) and 1 (0-5) at 6, 12 and 24 months after ablation.Conclusions: Sudden elimination of AF by ablation does not automatically eliminate all symptoms that the patients associated with AF, but all patients felt better and were classified in EHRA class I at all time-points. Less than a half of the patients at any time-point scored some symptoms, but the symptoms gradually decreased over time, especially between 6 and 12 months.
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4.
  • Sztaniszlav, Aron, 1979-, et al. (författare)
  • Trends in all-cause mortality of atrial fibrillation in hospitalized patients in Sweden between 1995-2008
  • 2021
  • Ingår i: European Heart Journal. - : Oxford University Press. - 0195-668X .- 1522-9645. ; 42:Suppl. 1, s. 296-296
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Introduction: Atrial fibrillation (AF) is the most common arrythmia. Both its incidence and prevalence increased significantly during the last decades. AF is associated with high morbidity and mortality.Purpose: The aim of this study was to describe and evaluate the trends of all-cause mortality in patients first-ever hospitalized for AF, and the effect of age, sex, stroke risk, and education level on mortality over time.Methods: In this observational retrospective cohort study, we enrolled the patients who were hospitalized primarily and for the first time because of AF between 1st January 1995 and 31st December 2004. In regard to the date of the index admission patients were divided into four cohorts and they were followed up to five years. Patients were compared with an age and sex matched control population. All data were collected from Swedish national registries. Kaplan-Meier plots and Cox regression with trend analysis were used for statistical evaluation.Results: In total 64 489 AF patients (mean age 72±10.1 year) were included in this study. The control group comprised 116 893 individuals. 81.9% of the women and 58.5% of the men were older than 65 years of age. 65.5% of women and 58.5% of the men had a stroke risk of CHADS2-VA2Sc ≥2.We found a significantly decreasing trend of the relative risk for all-cause mortality in AF patients over time: trend HR: 0.94 (95% CI: 0.92–0.96, p<0.001) in women and trend HR: 0.91 (95% CI: 0.89–0.93 p<0.001) in men. The mortality trends between AF patients and their controls did not show significant difference: trend HR: 0.99 (95% CI: 0.96–1.02, p=0.59) in women and trend HR: 1.00 (95% CI: 0.97–1.03, p=0.98) in men. The subpopulation analysis showed that the mortality risk remained unchanged over the time in women aged 18–69 years (trend HR: 0.91 – 95% CI: 0.82–1.02, p=0.099), in patients with low stroke risk (trend HR: 1.08 – 95% CI: 0.92–1.26, p=0.36 in women and trend HR: 0.95 – 95% CI: 0.87–1.05, p=0.30 in men) and in patients with post-secondary level of education (trend HR: 0.93 – 95% CI 0.83–1.04, p=0.23 in women and trend HR: 1.04 – 95% CI: 0.96–1.12, p=0.32 in men).Conclusion: The all-cause mortality risk of the AF hospitalized patients was higher compared to control population and had a decreasing tendency during the time of the study. However, this trend is not significantly different from the control population. We found unchanged mortality trend in younger patients, in those with lower stroke risk, and in patients with higher education level.
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