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The importance of t...
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Zyśko, DorotaWrocław Medical University
(författare)
The importance of the longest R-R interval on 24-hour electrocardiography in mortality prediction in patients with atrial fibrillation
- Artikel/kapitelEngelska2021
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LIBRIS-ID:oai:lup.lub.lu.se:2a6d75df-29f3-4001-9739-0a2a72fa30af
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https://lup.lub.lu.se/record/2a6d75df-29f3-4001-9739-0a2a72fa30afURI
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https://doi.org/10.33963/KP.15820DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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BACKGROUND: Heart rate control in atrial fibrillation (AF) is typically assessed by 24-hour electrocardiography (ECG). There are scarce data on the use of 24-hour ECG parameters to predict mortality in AF.AIMS: We aimed to identify 24-hour ECG parameters that predict mortality in AF.METHODS: We enrolled 280 ambulatory patients (mean [SD] age, 72.0 [8.7] years; 57.9% men) with permanent or persistent AF. Data on mortality and pacemaker or defibrillator implantation during follow-up were collected. Predictors of mortality were assessed using the Cox proportional hazards model and C-statistic.RESULTS: Compared with survivors, 78 (28%) patients who died were older, more often had comorbidities, left bundle branch block (LBBB), reduced left ventricular ejection fraction, lower maximum heart rate, a higher number of ventricular extrasystoles, and the longest R-R interval below 2 seconds. Univariate analysis revealed higher mortality in patients with the longest R-R intervals below 2 seconds compared with those with the R-R intervals of 2 seconds or longer (P <0.001). Independent mortality predictors in the regression model included older age, renal failure, history of coronary intervention, chronic obstructive pulmonary disease, LBBB, and a high number (≥770) or absence of R-R intervals of at least 2 seconds. The area under curve (AUC) for mortality prediction increased after inclusion of ECG parameters 0.748 [95% CI, 0.686-0.810] vs 0.688 [95% CI, 0.618-0.758]; P = 0.02).CONCLUSIONS: A high number of R-R intervals longer than 2 seconds or their absence on 24-hour ECG may predict mortality in AF.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Persson, AndersLund University,Lunds universitet,Kardiovaskulär forskning - epidemiologi,Forskargrupper vid Lunds universitet,Cardiovascular Research - Epidemiology,Lund University Research Groups(Swepub:lu)an4205pe
(författare)
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Obremska, MartaWrocław Medical University
(författare)
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Leśkiewicz, MarcinWrocław Medical University
(författare)
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Fedorowski, ArturLund University,Lunds universitet,Kardiovaskulär forskning - hypertoni,Forskargrupper vid Lunds universitet,Cardiovascular Research - Hypertension,Lund University Research Groups,Skåne University Hospital(Swepub:lu)med-afr
(författare)
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Sutton, RichardImperial College London
(författare)
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Johnson, Linda SBLund University,Lunds universitet,Kardiovaskulär forskning - epidemiologi,Forskargrupper vid Lunds universitet,Cardiovascular Research - Epidemiology,Lund University Research Groups(Swepub:lu)med-laj
(författare)
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Wrocław Medical UniversityKardiovaskulär forskning - epidemiologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Kardiologia Polska1897-4279
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