Table 1:

Patient data of cases with postprocedural CT hyperdensities

Sex/Age	Treated Aneurysm	Stent Assist	Perioperative Antiplatelets	Location of Enhancement	HU Postprocedure	HU 4–6 Hours	HU 20–25 Hours	Clinical Change
F/42	Unruptured 6 mm left superior hypophyseal	No	Aspirin^*	Caudate	48	41	N/A	None
M/43	Unruptured 6 mm AcomA	No	Aspirin^† clopidogrel^†	Caudate/Gyral	46/60	43/41	resolved	None
M/62	Unruptured 8 mm AcomA	No	Aspirin^† abciximab^§	Caudate/Gyral	50/67	40/45	resolved	None
F/65	Unruptured 5 mm left MCA	No	Aspirin^† clopidogrel^† abciximab^‡	Gyral	59	47	resolved	None
F/80	SAH, 5 mm basilar tip	Yes	Aspirin^† clopidogrel^† abciximab^‡^§	Gyral	53	52	39	None
F/61	Unruptured 22 mm left supraclinoid ICA	Yes	Aspirin^* clopidogrel^*	Gyral	47	44	resolved	None
F/68	Unruptured 7 mm AcomA	No	Aspirin^†	Gyral	46	42	resolved	None

Note:—F indicates female; M, male; SAH, subarachnoid hemorrhage; N/A, not available; AcomA, anterior communicating artery; MCA, middle cerebral artery; ICA, internal carotid artery; HU, Hounsfield units.
* Premedication ≥5 days.
† Started day of procedure.
‡ Intra-arterial intraoperative.
§ Intravenous intraoperative and immediately postoperative.