Remove Anatomy Remove Aneurysm Remove Ischemia
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Anatomy of the aortic segmental arteries—the fundamentals of preventing spinal cord ischemia in aortic aneurysm repair

Frontiers in Cardiovascular Medicine

ObjectiveSpinal cord ischemia due to damage or occlusion of the orifices of aortic segmental arteries (ASA) is a serious complication of open and endovascular aortic repair.

Aortic 40
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A teenager with chest pain, a troponin below the limit of detection, and "benign early repolarization"

Dr. Smith's ECG Blog

Repeat CT angio chest (not CT coronary, unclear what protocol) showed possible LAD aneurysm and thrombus. Finally, coronary angiography was performed (at least 5 days after presentation) which confirmed LAD aneurysm with large thrombus burden, TIMI 0 flow, thrombectomy performed. No further cath details available.

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See what happens when hyperacute T-waves are missed

Dr. Smith's ECG Blog

This ECG is all but diagnostic of subepicardial ischemia of the anterior, lateral, and inferior walls, most likely due to Occlusion MI (OMI), probably of the LAD. In Dr. Smith's experience one must wait at least 2 weeks to find out if this electrical LVA morphology will resolve, and whether it will be accompanied by anatomic aneurysm.

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A young patient with diminishing pain with a subtle but diagnostic ECG.

Dr. Smith's ECG Blog

Compare to the anatomy after stenting: The lower of the 2 now easily seen branches is the circumflex, now with excellent flow. Post-myocardial infarction (MI) ventricular septal defects are frequently seen in mid-anteroseptal and apical septal segments, whereas apex and the basal inferior segment are prone to aneurysm formation.

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What can you find with continuous ST monitoring in the ED?

Dr. Smith's ECG Blog

His initial high sensitivity troponin I returned at 1300 ng/L and given that his cardiac workup was otherwise unremarkable, a CT was obtained to evaluate for pulmonary embolism and aortic aneurysm or dissection but this too was unrevealing. Another EKG was also obtained. ECG at time 82 minutes: What do you think?