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Cardiac Dysfunction in Adult Patients with Traumatic Brain Injury: A Prospective Cohort Study.

Chakradhar Venkata, Jan Kasal1

  • 1Department of Anesthesia and Critical Care Medicine, Washington University, St. Louis, Missouri USA.

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Cardiac dysfunction affects 13% of patients after traumatic brain injury (TBI). Diabetes and ECG abnormalities were more common in these patients, but outcomes were similar.

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Area of Science:

  • Neuroscience
  • Cardiology
  • Critical Care Medicine

Background:

  • Limited data exist on myocardial dysfunction following traumatic brain injury (TBI).
  • Cardiac complications after TBI require further investigation for risk factors and prognosis.

Purpose of the Study:

  • To investigate the incidence, risk factors, and prognostic significance of cardiac dysfunction in adult intensive care unit (ICU) patients with moderate to severe TBI.

Main Methods:

  • A prospective observational study included 46 consecutive adult patients admitted to a neuro-trauma ICU with moderate to severe TBI.
  • Data collected included patient demographics, TBI characteristics, cardiac function, and clinical outcomes.

Main Results:

  • Cardiac dysfunction developed in 13% of TBI patients.
  • Patients with cardiac dysfunction had higher rates of diabetes mellitus (50% vs. 10%) and electrocardiogram (ECG) abnormalities (83% vs. 27%).
  • No significant differences were observed in Glasgow Coma Scale scores, vasopressor support, ventilator days, hospital length of stay, or mortality between groups.

Conclusions:

  • Cardiac dysfunction occurs in a subset of patients following moderate to severe TBI.
  • Pre-existing diabetes mellitus and ECG abnormalities are associated with cardiac dysfunction post-TBI.
  • Development of cardiac dysfunction in this cohort was not linked to adverse clinical outcomes.