Corrigendum to “Interatrial block, frailty and prognosis in elderly patients with myocardial infarction” [J Electrocardiol 51(2018) 1–7]

Bernal, Eva; Bayés‐Genís, Antoni; Arizá-Solé, Albert; Formiga, Francesç; Vidán, María Teresa; Escobar‐Robledo, Luis Alberto; Aboal, Jaime; Alcoberro, L; Guerrero, Carme; Ariza-Segovia, Iván; Benito, Ana Hernández de; Vilardell, Pau; Sánchez‐Salado, José Carlos; Lorente, Victòria; Luna, Antoni Bayés de; Martínez‐Sellés, Manuel

doi:10.1016/j.jelectrocard.2018.04.002

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“…This agrees with our findings for the prevalence of hypertension, which ranged from 49% in patients with normal P wave to 70% in those with aIAB. A similar result has been previously described in patients with myocardial infarction [11]. …”

Section: Discussionsupporting

confidence: 90%

“…Previous studies in elderly populations with a mean age ≥65 years have found a prevalence of 32–38% in patients undergoing coronary by-pass graft surgery [18], myocardial infarction [11], or non-STEMI [19]. …”

Section: Discussionmentioning

confidence: 99%

“…Even, in some patients with stable coronary disease, exercise-induced prolongation of the P wave has been described [9]. However, there is scarce information regarding the association of atrial conductions disorders and the prognosis after an acute ST-segment elevation myocardial infarction (STEMI) [10, 11]. …”

Section: Introductionmentioning

confidence: 99%

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Prognostic of Interatrial Block after an Acute ST-Segment Elevation Myocardial Infarction

et al. 2019

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Background: The influence of interatrial block (IAB) in the prognosis after an acute ST-segment elevation myocardial infarction (STEMI) is unknown. Objectives: To assess the prognostic impact of IAB after an acute STEMI regarding long-term mortality, development of atrial fibrillation, and stroke. Methods: Registry of 972 consecutive patients with STEMI and sinus rhythm at discharge, with a long-term follow-up (49.6 ± 24.9 months). P wave duration was analyzed using digital calipers, and patients were divided into three groups: normal P wave duration (<120 ms), partial IAB (pIAB) (P wave ≥120 ms and positive in inferior leads), and advanced IAB (aIAB) (P wave ≥120 ms plus biphasic [positive/negative] morphology in inferior leads). Results: Mean age was 62.6 ± 13.5 years. A total of 708 patients had normal P wave (72.8%), 207 pIAB (21.3%), and 57 aIAB (5.9%). Patients with aIAB were older (mean age 73 years) than the rest (62 years in the other two groups, p < 0.001). They also had a higher rate of hypertension (70 vs. 55% in pIAB and 49% in normal P wave, p = 0.006) and higher all-cause mortality (26.3 vs. 12.6% in pIAB and 10.3% in normal P wave, p = 0.001). However, multivariable analysis did not show an independent association between IAB and prognosis. Conclusion: About a quarter of patients discharged in sinus rhythm after an acute STEMI have IAB. Patients with aIAB have a poor prognosis, although this is explained mainly by the association of aIAB with age and other variables.

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Section: Discussionsupporting

confidence: 90%