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J Vasc Interv Neurol. 2016 Jun;9(1):20-2.

Acute Bilateral Internal Carotid Occlusion from Embolization of Left Atrial Thrombus During Transesophageal Echocardiography: Case Report.

Journal of vascular and interventional neurology

Syed Saad Mahmood, Sunil Manjila, Gagandeep Singh, Andrew R Xavier

Affiliations

  1. Department of Medicine, Massachusetts General Hospital, Boston, MA, USA.
  2. Department of Neurological Surgery, University Hospitals Case Medical Center, Cleveland, OH, USA.
  3. Department of Neurology, University Hospitals Case Medical Center, Cleveland, OH, USA.
  4. Department of Neurosurgery, Wayne State University, Detroit, MI, USA.

PMID: 27403219 PMCID: PMC4925761

Abstract

BACKGROUND AND PURPOSE: Transesophageal echocardiography (TEE) is a relatively safe imaging modality used to visualize intracardiac thrombus.

SUMMARY OF CASE: We report on a unique, fatal complication during TEE of embolization of a pre-existing "smoking" left atrial thrombus causing acute bilateral internal carotid occlusion, confirmed on angiogram.

CONCLUSIONS: Patients with history of lung pathology, such as COPD, who experience retching and cough during transesophageal echocardiography may be more susceptible to embolization of pre-existing thrombi. A need exists to risk stratify such patients.

Keywords: Cardioembolic; echocardiography; stroke; transesophageal

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