Τρίτη 13 Ιουνίου 2017

Cardiac arrest following arteriovenous fistula manipulation: a cautionary note

Arteriovenous fistulas can lead to a number of different chronic complications. We describe a case where a patient developed a thrombosis within her brachiobasilic arteriovenous fistula, which was manually manipulated in order to restore fistula flow. This resulted in a pulseless electrical activity cardiac arrest within a few minutes. After ten minutes of chest compressions and intubation, there was return of spontaneous circulation. No epinephrine was given nor shocks administered. Patient was extubated within minutes and was alert, orientated and haemodynamically stable. CT pulmonary angiogram showed extensive bilateral pulmonary emboli. Manual manipulation of the arteriovenous fistula lead to significant amounts of thrombus embolising to the pulmonary arteries, and resultant cardiac arrest due to circulatory compromise. Chest compressions likely dislodged these emboli, allowing circulation to recommence. We publish this as a cautionary note of a rare but potentially fatal complication.



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