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The association between T wave inversion in leads with ST-elevation and patency of the infarct-related artery.

Abstract：

BACKGROUND:Up to over half of the patients with ST-segment elevation myocardial infarction (STEMI) are reported to undergo spontaneous reperfusion without therapeutic interventions. Our objective was to evaluate the applicability of T wave inversion in electrocardiography (ECG) of patients with STEMI as an indicator of early spontaneous reperfusion. METHODS:In this prospective study, patients with STEMI admitted to a tertiary referral hospital were studied over a 3-year period. ECG was obtained at the time of admission and patients underwent a PPCI. The association between early T wave inversion and patency of the infarct-related artery was investigated in both anterior and non-anterior STEMI. RESULTS:Overall, 1025 patients were included in the study. Anterior STEMI was seen in 592 patients (57.7%) and non-anterior STEMI in 433 patients (42.2%). Among those with anterior STEMI, 62 patients (10.4%) had inverted T and 530 (89.6%) had positive T waves. In patients with anterior STEMI and inverted T waves, a significantly higher TIMI flow was detected (p value = 0.001); however, this relationship was not seen in non-anterior STEMI. CONCLUSION:In on-admission ECG of patients with anterior STEMI, concomitant inverted T wave in leads with ST elevation could be a proper marker of spontaneous reperfusion of infarct related artery.

journal_name

BMC Cardiovasc Disord

journal_title

BMC cardiovascular disorders

authors

Ranjbar A,Sohrabi B,Sadat-Ebrahimi SR,Ghaffari S,Kazemi B,Aslanabadi N,Seyvani B,Hajizadeh R

doi

10.1186/s12872-021-01851-8

subject

Has Abstract

pub_date

2021-01-12 00:00:00

pages

27

issue

1

issn

1471-2261

pii

10.1186/s12872-021-01851-8

journal_volume

21

pub_type

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