Clinical and imaging findings in 16 patients with anoxic injury

Patient/Sex	Age, y	Etiology of Anoxic Event	Event Location and Duration	Interval between Event and Imaging, days	Pco₂, mm Hg	Diffusion Restriction Location	Average GM CBF, mL/100 g/min	Hyperperfusion Pattern	Outcome
1/M	56	Hypoglycemia	Out, unknown	2	40.8	BG, diffuse cortex	93.5	Unilateral	Died
2/M	11	Septic Shock	In, unknown	9	32.9	BG, diffuse cortex	190.6	Global	Died
3/F	56	Cardiac arrest	In, 3 minutes	7	35.4	BG, posterior watershed	79.9	Global, sparing infarct	Died
4/M	31	Electrocution	Out, unknown	2	39.7	BG, posterior watershed	140.3	Global	Persistent Vegetative
5/F	69	PEA	Out, unknown	2	42.9	BG, diffuse watershed	144.9	Global	Died
6/F	46	Cardiac arrest	Out, unknown	6	54	BG	101.7	Global	Survived
7/M	75	Cardiac arrest	In, unknown	6	33.6	BG, periventricular	142.7	Global	Died
8/F	37	PEA	In, 30 seconds	3	26.8	Left MCA, bilateral PCA	125.8	Global, sparing infarct	Died
9/F	71	Cardiac arrest	Out, unknown	2	37.1	Bilateral PCA	107.8	Global, sparing infarct	Died
10/M	44	Septic shock	Out, unknown	13	36.9	Mild diffuse cortical	146.1	Global	Died
11/F	51	Cardiac arrest	In, 30 minutes	6	43.2	BG, diffuse cortex	126.2	Global	Died
12/F	64	Cardiac arrest	Out, unknown	1	45.4	Mild diffuse cortical	188.1	Global	Died
13/F	1.5	Seizure	Out, 7 minutes	3	37.9	BG, white matter, cortical	204.4	Global	Died
14/M	59	Cardiac arrest	In, unknown	5	37.3	BG, posterior watershed	177.5	Global	Died
15/F	78	Cardiac arrest	In, 10 minutes	1	34.9	None	161.7	Global	Encephalopathy
16/F	56	Cardiac arrest	Out, unknown	6	39.0	None	150.7	Global	Short-term memory loss
Average	50.3			4.6 days	38.6		142.6

Note:—PEA indicates pulseless electrical activity; In, in hospital; Out, outside hospital; BG, basal ganglia; MCA, middle cerebral artery; PCA, posterior cerebral artery; M, male; F, female; GM, gray matter; CBF, cerebral blood flow; PCO₂, partial pressure of carbon dioxide.