Clinically significant cardiac arrhythmia in patients with aneurysmal subarachnoid hemorrhage

Yeon-Seong Jeong1, Hyung-Dong Kim

  • 1Department of Neurosurgery, College of Medicine, Dong-A University, Busan, Korea.

Insights

Clinically significant cardiac arrhythmias are common in subarachnoid hemorrhage (SAH) patients and independently predict a higher mortality rate and poor outcomes. Close cardiac monitoring is crucial for patients with abnormal ECGs following SAH.

Area of Science:

  • Neurology
  • Cardiology
  • Critical Care Medicine

Background:

  • Electrocardiographic (ECG) changes are frequently observed in patients with subarachnoid hemorrhage (SAH).
  • Cardiac arrhythmias represent a significant complication following SAH.

Purpose of the Study:

  • To determine the frequency of clinically significant cardiac arrhythmias in SAH patients.
  • To identify factors influencing these arrhythmias.
  • To assess the impact of arrhythmias on patient outcomes.

Main Methods:

  • Retrospective analysis of clinical data from 122 SAH patients.
  • Inclusion of ECG findings, demographic data, clinical severity scores (Hunt-Hess, Fisher's), medical history, and physiological parameters.
  • Assessment of Glasgow Outcome Scale (GOS) scores and intensive care unit (ICU) admission duration.

Main Results:

  • 50% of SAH patients (n=61) experienced clinically significant arrhythmias.
  • No independent factors were statistically linked to arrhythmia development in multivariate analysis.
  • Arrhythmias independently predicted death (27.9% vs 11.5%) and poor outcomes (GOS ≤ 2, 29.5% vs 13.1%).

Conclusions:

  • Clinically significant arrhythmias are associated with increased mortality and morbidity in SAH patients.
  • Patients with abnormal admission ECGs require vigilant cardiac monitoring.
  • Prompt management of arrhythmias, myocardial infarction, and autonomic stress is essential.
Abstract

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