Archives of neurology · 2009
Prospective differentiation of multiple system atrophy from Parkinson disease, with and without autonomic failure.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Lipp Axel, Sandroni Paola, Ahlskog J Eric, Fealey Robert D, Kimpinski Kurt, Iodice Valeria, Gehrking Tonette L, Weigand Stephen D, Sletten David M, Gehrking Jade A, Nickander Kim K, Singer Wolfgang, Maraganore Demetrius M, Gilman Sid, Wenning Gregor K, Shults Clifford W, Low Phillip A
Аннотация
OBJECTIVE: To report preliminary results of a prospective ongoing study of multiple system atrophy (MSA) and Parkinson disease (PD), with a large subset of patients with PD with autonomic failure (25%), to evaluate autonomic indices that distinguish MSA from PD.
METHODS: We used consensus criteria, detailed autonomic studies (Composite Autonomic Symptom Scale, Composite Autonomic Scoring Scale, thermoregulatory sweat test, and plasma catecholamines), and functional scales (Unified MSA Rating Scale [UMSARS] I-IV and Hoehn-Yahr grading) on a prospective, repeated, and ongoing basis.
RESULTS: We report the results of a study on 52 patients with MSA (mean [SD], age, 61.1 [7.8] years; body mass index (calculated as weight in kilograms divided by height in meters squared), 27.2 [4.6]; Hoehn-Yahr grade, 3.2 [0.9]; UMSARS I score, 21.5 [7.4]; and UMSARS II score, 22.7 [9.0]) and 29 patients with PD, including PD with autonomic failure (mean [SD], age, 66.0 [8.1] years; body mass index, 26.6 [5.5]; Hoehn-Yahr grade, 2.2 [0.8]; UMSARS I score, 10.4 [6.1]; and UMSARS II score, 13.0 [5.9]). Autonomic indices were highly significantly more abnormal in MSA than PD (P < .001) for the Composite Autonomic Scoring Scale (5.9 [1.9] vs 3.3 [2.3], respectively), Composite Autonomic Symptom Scale (54.4 [21.8] vs 24.7 [20.5], respectively), and thermoregulatory sweat test (percentage anhidrosis, 57.4% [35.2%] vs 9.9% [17.7%], respectively). These differences were sustained and greater at 1-year follow-up, indicating a greater rate of progression of dysautonomia in MSA than PD.
CONCLUSIONS: The severity, distribution, and pattern of autonomic deficits at study entry will distinguish MSA from PD, and MSA from PD with autonomic failure. These differences continue and are increased at follow-up. Our ongoing conclusion is that autonomic function tests can separate MSA from PD. Autonomic indices support the notion that the primary lesion in PD is ganglionic and postganglionic, while MSA is preganglionic.
METHODS: We used consensus criteria, detailed autonomic studies (Composite Autonomic Symptom Scale, Composite Autonomic Scoring Scale, thermoregulatory sweat test, and plasma catecholamines), and functional scales (Unified MSA Rating Scale [UMSARS] I-IV and Hoehn-Yahr grading) on a prospective, repeated, and ongoing basis.
RESULTS: We report the results of a study on 52 patients with MSA (mean [SD], age, 61.1 [7.8] years; body mass index (calculated as weight in kilograms divided by height in meters squared), 27.2 [4.6]; Hoehn-Yahr grade, 3.2 [0.9]; UMSARS I score, 21.5 [7.4]; and UMSARS II score, 22.7 [9.0]) and 29 patients with PD, including PD with autonomic failure (mean [SD], age, 66.0 [8.1] years; body mass index, 26.6 [5.5]; Hoehn-Yahr grade, 2.2 [0.8]; UMSARS I score, 10.4 [6.1]; and UMSARS II score, 13.0 [5.9]). Autonomic indices were highly significantly more abnormal in MSA than PD (P < .001) for the Composite Autonomic Scoring Scale (5.9 [1.9] vs 3.3 [2.3], respectively), Composite Autonomic Symptom Scale (54.4 [21.8] vs 24.7 [20.5], respectively), and thermoregulatory sweat test (percentage anhidrosis, 57.4% [35.2%] vs 9.9% [17.7%], respectively). These differences were sustained and greater at 1-year follow-up, indicating a greater rate of progression of dysautonomia in MSA than PD.
CONCLUSIONS: The severity, distribution, and pattern of autonomic deficits at study entry will distinguish MSA from PD, and MSA from PD with autonomic failure. These differences continue and are increased at follow-up. Our ongoing conclusion is that autonomic function tests can separate MSA from PD. Autonomic indices support the notion that the primary lesion in PD is ganglionic and postganglionic, while MSA is preganglionic.
Предметные рубрики MeSH
AgedBody Temperature RegulationCatecholaminesDiagnosis, DifferentialDiagnostic ErrorsDisability EvaluationFemaleGanglia, AutonomicHumansMaleMiddle AgedMultiple System AtrophyNeurologic ExaminationParkinson DiseasePredictive Value of TestsProspective StudiesSensitivity and SpecificitySeverity of Illness IndexShy-Drager SyndromeSweat Gland Diseases