Table 1.

Patient information

Group No.	Gender	Age, yr	Diagnosis
Failing 1	Male	53	Nonischemic cardiomyopathy
Failing 2	Male	55	Ischemic cardiomyopahty
Failing 3	Female	67	Nonischemic cardiomyopathy
Failing 4	Male	59	Nonischemic cardiomyopathy
Failing 5	Female	53	Nonischemic cardiomyopathy
Nonfailing 1	Female	51	Cerebrovascular/strock
Nonfailing 2	Male	31	Gunshot wound to the head
Nonfailing 3	Male	40	Head trauma, motor vehicle accident
Nonfailing 4	Female	59	Cerebrovascular/stroke
Nonfailing 5	Male	76	Cerebrovascular/stroke