TABLE 1:

Summary of patients in this study

Patient	Age (y)	Sex	H&H	Aneurysm	Treatment	Vasospasm	HHH	Post-treatment Examination^(*)
1	58	F	III	Left PCOM	Clipped	Mild	No	Better
2	56	F	III	Right SCA, vermian AVM	NBCA glued	Moderate	Yes	Unchanged
3	60	F	I	ACOM	Clipped	Mild	Yes	Better
4^†^‡	63	F	III	Right MCA	Clipped	Mild	No	Unchanged
4^†^‡	63	F	III	Right MCA	Clipped	Mild	Yes	Better
5	48	F	IV	Basilar	Coiled	Moderate	No	Better
6	51	F	V	ACOM	Clipped	Severe	Yes	Worse
7	39	F	I	Right PCOM	Clipped	Moderate	Yes	Unchanged
8	65	F	III	Right ACOM	Clipped	Mild	No	Unchanged
9^‡	39	F	I	Basilar	Failed clipping and coiling	Severe	No	Worse
10	53	M	III	Right vertebral dissection	Coiled	Severe	Yes	Unchanged
11	45	F	V	ACOM	Clipped	Severe	Yes	Unchanged
11^†	45	F	V	ACOM	Clipped	Severe	Yes	Unchanged
12^‡	41	F	V	ACOM	Coiled	Severe	No	Unchanged
12^†^‡	41	F	V	ACOM	Coiled	Severe	No	Better
13^‡	60	M	I	Left MCA	Clipped	Severe	Yes	Better
14	65	F	III	ACOM	Clipped	Mild	Yes	Better
15^‡	17	F	III	Left ACOM	Clipped	Moderate	No	Unchanged
16^‡	60	F	III	Basilar	Clipped	Severe	No	Unchanged
17^‡	43	M	III	Basilar	Clipped	Moderate	Yes	Unknown
18	42	F	V	Left MCA	Clipped	Severe	Yes	Unchanged
19^‡	48	F	V	Left PICA	Coiled	Severe	Yes	Unchanged
20	78	F	III	Left PICA	Coiled	Mild	Yes	Unknown
21	69	F	IV	ACOM	Clipped	Moderate	Yes	Unchanged
22	56	F	IV	Left MCA	Clipped	Mild	Yes	Unchanged
22^†	56	F	IV	Left MCA	Clipped	Mild	Yes	Unchanged
23	47	F	I	Basilar,bilateral MCA	Clipped	Severe	No	Worse
23^†	47	F	I	Basilar,bilateral MCA	Clipped	Severe	Yes	Better
24	69	M	III	Right MCA	Clipped	Moderate	No	Unchanged
25	39	M	III	Right MCA	Clipped	Mild	Yes	Unchanged
26	69	F	III	Left choroidal, bilateral MCA	L choroidal clipped, L MCA wrapped	Moderate	Yes	Unchanged
27^‡	65	M	IV	ACOM	Clipped	Mild	Yes	Better
28	63	M	V	ACOM	Clipped	Severe	No	Unknown
29	58	M	IV	Left SCA	Clipped	Moderate	Yes	Better

Note.—H&H indicates Hunt and Hess grade; HHH, hypertension, hypervolemia, and hemodilution treatment; F, female, M, male; PCOM, posterior communicating artery; SCA, subclavian artery; AVM, arteriovenous malformation; ACOM, anterior communicating artery; MCA, middle cerebral artery; PICA, posterior inferior cerebellar artery; NBCA, 𝓃-butyl-cyanoacrylate.
* Post-treatment neurologic examinations were reviewed by an independent stroke neurologist.
† Patients who underwent repeat treatment with verapamil.
‡ Patients who underwent repeat control angiography 10 to 15 minutes after verapamil infusion.