Successful endovascular repair of an unusual right-to-left shunt presenting with cerebral ischemia

Nicholas L. Zalewski, Elizabeth Coon, Frank Cetta, Nathaniel W. Taggart, Kelly Flemming

Research output: Contribution to journalArticle

Abstract

Ischemic stroke due to congenital cardiopulmonary vasculature anomalies is rare in adults. We report a 54-year-old man with a stroke due to a unique right-to-left shunt who underwent successful endovascular treatment. This patient developed acute onset of right arm weakness with facial droop and aphasia which improved after intravenous thrombolysis. An MRI showed acute cerebral ischemia in the left middle cerebral artery and left posterior cerebral artery distribution. The patient developed recurrent stroke symptoms during agitated saline injection while undergoing a transthoracic echocardiogram which showed right-to-left shunting. Chest CT scan and conventional angiography revealed near occlusion of the superior vena cava. Head and upper limb venous return drained via a large left vertical vein into an anomalous left pulmonary vein into the left atrium. He underwent endovascular surgery to relieve the superior vena cava obstruction and to occlude the source of right-to-left shunt. While rare, congenital cardiopulmonary vascular anomalies may result in ischemic stroke in adults. CT angiography may be necessary to evaluate cardiopulmonary vasculature when right-to-left shunting is discovered on echocardiography in the setting of ischemic stroke. With large right-to-left shunts, agitated saline should be avoided.

Original languageEnglish (US)
Pages (from-to)1257-1258
Number of pages2
JournalJournal of Clinical Neuroscience
Volume21
Issue number7
DOIs
StatePublished - Jan 1 2014

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Brain Ischemia
Stroke
Posterior Cerebral Artery
Superior Vena Cava Syndrome
Superior Vena Cava
Pulmonary Veins
Aphasia
Middle Cerebral Artery
Heart Atria
Upper Extremity
Blood Vessels
Echocardiography
Veins
Angiography
Arm
Thorax
Head
Injections
Therapeutics

Keywords

  • Cardioembolic stroke
  • Pulmonary arteriovenous fistula
  • Right-to-left shunt
  • Vertical vein

ASJC Scopus subject areas

  • Clinical Neurology
  • Neurology
  • Physiology (medical)
  • Medicine(all)

Cite this

Successful endovascular repair of an unusual right-to-left shunt presenting with cerebral ischemia. / Zalewski, Nicholas L.; Coon, Elizabeth; Cetta, Frank; Taggart, Nathaniel W.; Flemming, Kelly.

In: Journal of Clinical Neuroscience, Vol. 21, No. 7, 01.01.2014, p. 1257-1258.

Research output: Contribution to journalArticle

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