Gender, Age, community volunteers
Item
subjects considered for inclusion will be female or male subjects either currently enrolled or eligible for care at the va aged 50-85 years, or community volunteers.
boolean
C0079399 (UMLS CUI [1])
C0001779 (UMLS CUI [2])
C0242534 (UMLS CUI [3])
Demographics
Item
the racial, gender and ethnic characteristics of the proposed subjects population reflect the demographics of the patient population of the va. however, extra efforts will be made to recruit women and minorities (see table 5).
boolean
C1704791 (UMLS CUI [1])
Children
Item
children will be excluded from the study.
boolean
C0008059 (UMLS CUI [1])
Race, ethnicity, gender, HIV status
Item
no exclusion criteria shall be based on race, ethnicity, gender, or asymptomatic hiv status.
boolean
C0034510 (UMLS CUI [1])
C0015031 (UMLS CUI [2])
C0079399 (UMLS CUI [3])
C0458074 (UMLS CUI [4])
Walking ability
Item
inability to stand or walk independently (i.e., patients in hoehn and yahr stage iv and v).
boolean
C0559964 (UMLS CUI [1])
Vertiginous disorder
Item
vertiginous disorder.
boolean
C0271487 (UMLS CUI [1])
Orthostatic hypotension or unstable cardiovascular disease at risk of syncope
Item
orthostatic hypotension or unstable cardiovascular disease at risk of syncope (drop in systolic blood pressure of > 20 mm hg upon standing).
boolean
C0020651 (UMLS CUI [1])
C0039070 (UMLS CUI [2,1])
C0007222 (UMLS CUI [2,2])
Stroke with focal cortical lesion
Item
history of stroke with focal cortical lesions.
boolean
C0038454 (UMLS CUI [1,1])
C0205234 (UMLS CUI [1,2])
C0221198 (UMLS CUI [1,3])
cerebellar, myelopathic or radiculopathy syndrome
Item
cerebellar, myelopathic or significant radiculopathy syndrome.
boolean
C0007760 (UMLS CUI [1])
C1719387 (UMLS CUI [2])
C0700594 (UMLS CUI [3])
Light perception
Item
diminished light perception in both eyes (< 20/40 corrected ou).
boolean
C1154616 (UMLS CUI [1])
Intracranial surgery
Item
intracranial surgery.
boolean
C0745377 (UMLS CUI [1])
Study Participation Status
Item
subjects who have participated in other research protocols such that their cumulative radiation absorbed dose to whole body, gonads, bone marrow or lens of the eye would exceed 5 rem, or dose to other body organs is more than 15 rem in preceding 12 months.
boolean
C2348568 (UMLS CUI [1])
Gynaecological Status
Item
pregnancy (beta-hcg test within 48 hours of pet study) or breastfeeding.
boolean
C0032961 (UMLS CUI [1])
C0006147 (UMLS CUI [2])
Contraindication to MRI
Item
contra-indications to mri.
boolean
C1301624 (UMLS CUI [1,1])
C0024485 (UMLS CUI [1,2])