Cardiac dysfunction in patients affected by subarachnoid haemorrhage affects in-hospital mortality

January 2, 2024 by Dr. Clemens Leave a Comment

AUTHORS: Messina, Antonio et al

European Journal of Anaesthesiology 40(6):p 442-449, June 2023.

BACKGROUND

Subarachnoid haemorrhage (SAH) is a life-threatening condition with associated brain damage. Moreover, SAH is associated with a massive release of catecholamines, which may promote cardiac injury and dysfunction, possibly leading to haemodynamic instability, which in turn may influence a patient’s outcome.

OBJECTIVES

To study the prevalence of cardiac dysfunction (as assessed by echocardiography) in patients with SAH and its effect on clinical outcomes.

RESULTS

We included a total of 23 studies (4 retrospective) enrolling 3511 patients. The cumulative frequency of cardiac dysfunction was 21% (725 patients), reported as regional wall motion abnormality in the vast majority of studies (63%). Due to the heterogeneity of clinical outcome data reporting, a quantitative analysis was carried out only for in-hospital mortality. Cardiac dysfunction was associated with a higher in-hospital mortality [odds ratio 2.69 (1.64 to 4.41); P < 0.001; I² = 63%]. The GRADE of evidence assessment resulted in very low certainty of evidence.

CONCLUSION

About one in five patients with SAH develops cardiac dysfunction, which seems to be associated with higher in-hospital mortality. The consistency of cardiac and neurological data reporting is lacking, reducing the comparability of the studies in this field.

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