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Accessory pathway p...
Accessory pathway properties are similar in symptomatic and asymptomatic preexcitation.
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Jemtrén, Anette (författare)
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- Bergfeldt, Lennart, 1950 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Institute of Medicine, Department of Molecular and Clinical Medicine
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- Insulander, Per (författare)
- Karolinska Institutet
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- Rubulis, Aigars, 1974 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Institute of Medicine, Department of Molecular and Clinical Medicine
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Tapanainen, Jari (författare)
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- Jensen-Urstad, Mats (författare)
- Karolinska Institutet
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(creator_code:org_t)
- 2022-05-26
- 2022
- Engelska.
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Ingår i: Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing. - : Springer Science and Business Media LLC. - 1572-8595. ; 65:1, s. 193-199
- Relaterad länk:
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- Patients with WPW syndrome have an increased mortality rate compared to the general population. Although asymptomatic preexcitation has previously been considered benign, recent studies have found that also asymptomatic patients have clinical and electrophysiological factors associated with increased risk of sudden cardiac death. This study compares the baseline electrophysiological characteristics of accessory pathways in symptomatic and asymptomatic patients with preexcitation. We hypothesized that a significant proportion of asymptomatic patients has inducible orthodromic tachycardia during programmed electrical stimulation.This retrospective study includes 1853 patients with preexcitation who underwent invasive electrophysiological testing in two Swedish University Hospitals between 1991 and 2018. The mean age was 36±17years with a range of 3-89years. Thirty-nine percent was women. A total of 269 patients (15%) were children younger than 18years. Electrophysiological data included effective refractory period of the accessory pathway (APERP, in 1069 patients), tachycardia cycle length, inducibility and type of tachycardia, and AP localization.A total of 1703 (93%) patients reported symptoms suggesting tachyarrhythmias before the study and 128 (7%) were asymptomatic. The proportion of potentially dangerous pathways with short APERP (≤250ms) were similar in symptomatic and asymptomatic patients (187/949, 20% vs. 25/108, 23%) (P=0.40) as was the mean APERP (303±68ms vs. 307±75) (P=0.61). The proportion of patients who had inducible arrhythmia was larger in the symptomatic group (64% vs. 31%) (P<0.001).The results of this study strengthen the present guideline recommendation (IIA) to consider invasive risk assessment in patients with asymptomatic preexcitation.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
Nyckelord
- Accessory pathways
- Electrophysiological study
- Pre-excitation
- Sudden cardiac death
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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