Why the study?
Prolongation of the Tp-Te interval on 12-lead ECG is associated with ventricular arrhythmias, but its association with clinical severity and outcomes in subarachnoid hemorrhage required clarification.
Are ECG T-wave parameters (Tp-Te, Tp-Te/QT, Tp-Te/QTc) associated with disease severity and clinical outcomes in patients with acute subarachnoid hemorrhage?
Population
222 patients with acute SAH and 306 patients with unruptured cerebral aneurysms
Comparison
Acute SAH vs unruptured cerebral aneurysms
Design
Retrospective study
Authors
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Tp-Te indices were associated with SAH severity and outcomes; hypothesis-generating for ECG risk stratification pending prospective validation.
Are ECG T-wave parameters (Tp-Te, Tp-Te/QT, Tp-Te/QTc) associated with disease severity and clinical outcomes in patients with acute subarachnoid hemorrhage?
Prolongation of the Tp-Te interval and its ratios on admission ECG are associated with greater disease severity and worse clinical outcomes in patients with acute subarachnoid hemorrhage.
Komatsuzaki et al. (2019) studied this question.
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