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Título : Diagnosis and treatment of orthostatic hypotension in Parkinson's disease
Autor : Pérez Lloret, Santiago 
Rey, Verónica 
Pavy-Le Traon, Anne 
Rascol, Olivier 
Fecha de publicación : 2013
Editorial : InTech
Cita : Pérez Lloret, S., Rey M.V., Pavy-Le Traon, A., Rascol, O. Diagnosis and treatment of orthostatic hypotension in Parkinson's disease [en línea]. International Journal of Integrative Medicine. 2013, 1 (27). doi: 10.5772/56924. Disponible en:
Resumen : Abstract: Orthostatic hypotension (OH) is a frequent comorbidity affecting between 23 and 38% of Parkinson’s disease (PD) patients. Several pieces of evidence suggest that OH is related to faster cognitive decline and more frequent falls, and has been also connected to increased mortality. OH can be arbitrarily defined as a drop of systolic and/or diastolic blood pressure of 20 or 10 mmHg or more in the first three minutes after passing from decubitus to an upright position. Till test appears to be the most reliable tool for assessing the orthostatic response. On the other hand, the standing test and evaluation of orthostatic symptoms should be regarded as screening tests. The key physiopathological aspect of OH is an altered baroreflex function resulting from cardiac and vascular sympathetic denervation. Nonetheless, OH can be aggravated by heat, alcohol consumption or by drug treatments, such as antihypertensives, dopamine agonists or amantadine. Treatment should begin with re‐considering drug treatments. After treatment is optimized, nonpharmacological measures may be employed. Drugs treatment should be reserved for patients in whom other strategies have failed. Midodrine and fludrocortisone are the most frequently used treatments, even though evidence about their efficacy and safety is weak. Midodrine has a shorter duration of action and thus avoidance of evening dosing may help keep nocturnal blood pressure dipping intact. Promising alternatives may include droxidopa and fipamezole
ISSN : 1848-8846
Disciplina: MEDICINA
DOI: 10.5772/56924
Derechos: Acceso Abierto
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