Review Article
Orthostatic Hypotension in Patients with Parkinson’s Disease and Atypical Parkinsonism
Table 2
Diagnostic approaches to detect orthostatic hypotension in parkinsonian patients.
| Diagnostic work-up | Types | Reference |
| Physical examination | Head-up tilt-table testing (HUT) | — | Valsalva maneuver | — |
| Imaging | Cardiac 123I-MIBG scintigraphy | — |
| Heart monitoring | Spectral analysis of the RR interval and systolic blood pressure | [22] |
| Brain hemodynamics | Transcranial Doppler (TCD) | — | Diamox injection | [40] | Carbon dioxide test | [8] | Cold pressure test (CPT) | [41] |
| Questionnaire | SCOPA-AUT | [30] | COMPASS | [31] | NMSS (Completed by physicians) | [53] | Freiburg Questionnaire | [54] | Autonomic dysfunction in PD | [55] | Orthostatic Grading Scale | [27] | Hobson Scale | [56] | Mathias et al. (L-threo-DOPS) | [28, 29] |
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