Heat-related morbidity in patients with orthostatic hypotension and primary autonomic failure
Identifieur interne : 001D49 ( PascalFrancis/Corpus ); précédent : 001D48; suivant : 001D50Heat-related morbidity in patients with orthostatic hypotension and primary autonomic failure
Auteurs : Atul Pathak ; Maryse Lapeyre-Mestre ; Jean-Louis Montastruc ; Jean-Michel SenardSource :
- Movement disorders [ 0885-3185 ] ; 2005.
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- Pascal (Inist)
English descriptors
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Abstract
We investigated the effects of high-external-temperature exposure on neurogenic orthostatic hypotension (OH). Thirty-one patients with autonomic failure (AF) and pharmacologically treated OH related to probable multiple-system atrophy (n = 7), Parkinson's disease (n = 10), pure autonomic failure (n = 7), and diffuse Lewy body disease (n = 7) and 26 parkinsonians without AF were included. Prevalence and severity of clinical events were studied during the August 2003 heat wave and the 2004 summer. The prevalence of OH-related events was significantly higher in 2003 [45.1 vs. 11.5%; P = 0.0052; OR = 6.31 (1.35-33.53)] and 2004 [42.3 vs. 12.0%; P = 0.014; OR = 5.40 (1.28-22.68)] in AF than in controls. The mean severity score for clinical events was significantly higher in AF than in controls during 2003 heat wave (1.2 ± 1.4 vs. 0.2 ± 0.5) but similar in summer 2004 (0.7 ± 1.0 vs. 0.1 ± 0.3). Severe events (unusual home care, assistance, or hospitalization) were only observed in AF patients. A non-statistically significant higher prevalence of clinical events was observed in AF patients prescribed fludrocortisone (66.7%) by comparison to heptaminol (42.9%), midodrine (45.5%), or midodrine plus fludrocortisone (28.6%). This study shows that AF patients have a poor clinical outcome when exposed to high temperatures and that heat exposure is a risk factor for OH worsening.
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Pour connaître la documentation sur le format Inist Standard.
pA |
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Format Inist (serveur)
NO : | PASCAL 05-0492944 INIST |
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ET : | Heat-related morbidity in patients with orthostatic hypotension and primary autonomic failure |
AU : | PATHAK (Atul); LAPEYRE-MESTRE (Maryse); MONTASTRUC (Jean-Louis); SENARD (Jean-Michel) |
AF : | Laboratoire de Pharmacologie Médicale et Clinique, Faculté de Médecine/Toulouse/France (1 aut., 2 aut., 3 aut., 4 aut.); Club d'Etude du Système Nerveux Autonome, Faculté de Médecine/Toulouse/France (1 aut., 4 aut.) |
DT : | Publication en série; Courte communication, note brève; Niveau analytique |
SO : | Movement disorders; ISSN 0885-3185; Etats-Unis; Da. 2005; Vol. 20; No. 9; Pp. 1213-1219; Bibl. 35 ref. |
LA : | Anglais |
EA : | We investigated the effects of high-external-temperature exposure on neurogenic orthostatic hypotension (OH). Thirty-one patients with autonomic failure (AF) and pharmacologically treated OH related to probable multiple-system atrophy (n = 7), Parkinson's disease (n = 10), pure autonomic failure (n = 7), and diffuse Lewy body disease (n = 7) and 26 parkinsonians without AF were included. Prevalence and severity of clinical events were studied during the August 2003 heat wave and the 2004 summer. The prevalence of OH-related events was significantly higher in 2003 [45.1 vs. 11.5%; P = 0.0052; OR = 6.31 (1.35-33.53)] and 2004 [42.3 vs. 12.0%; P = 0.014; OR = 5.40 (1.28-22.68)] in AF than in controls. The mean severity score for clinical events was significantly higher in AF than in controls during 2003 heat wave (1.2 ± 1.4 vs. 0.2 ± 0.5) but similar in summer 2004 (0.7 ± 1.0 vs. 0.1 ± 0.3). Severe events (unusual home care, assistance, or hospitalization) were only observed in AF patients. A non-statistically significant higher prevalence of clinical events was observed in AF patients prescribed fludrocortisone (66.7%) by comparison to heptaminol (42.9%), midodrine (45.5%), or midodrine plus fludrocortisone (28.6%). This study shows that AF patients have a poor clinical outcome when exposed to high temperatures and that heat exposure is a risk factor for OH worsening. |
CC : | 002B17; 002B17F; 002B16B |
FD : | Système nerveux pathologie; Système nerveux autonome pathologie; Morbidité; Homme; Complication |
ED : | Nervous system diseases; Diseases of the autonomic nervous system; Morbidity; Human; Complication |
SD : | Sistema nervioso patología; Sistema nervioso autónomo patología; Morbilidad; Hombre; Complicación |
LO : | INIST-20953.354000131936030210 |
ID : | 05-0492944 |
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<front><div type="abstract" xml:lang="en">We investigated the effects of high-external-temperature exposure on neurogenic orthostatic hypotension (OH). Thirty-one patients with autonomic failure (AF) and pharmacologically treated OH related to probable multiple-system atrophy (n = 7), Parkinson's disease (n = 10), pure autonomic failure (n = 7), and diffuse Lewy body disease (n = 7) and 26 parkinsonians without AF were included. Prevalence and severity of clinical events were studied during the August 2003 heat wave and the 2004 summer. The prevalence of OH-related events was significantly higher in 2003 [45.1 vs. 11.5%; P = 0.0052; OR = 6.31 (1.35-33.53)] and 2004 [42.3 vs. 12.0%; P = 0.014; OR = 5.40 (1.28-22.68)] in AF than in controls. The mean severity score for clinical events was significantly higher in AF than in controls during 2003 heat wave (1.2 ± 1.4 vs. 0.2 ± 0.5) but similar in summer 2004 (0.7 ± 1.0 vs. 0.1 ± 0.3). Severe events (unusual home care, assistance, or hospitalization) were only observed in AF patients. A non-statistically significant higher prevalence of clinical events was observed in AF patients prescribed fludrocortisone (66.7%) by comparison to heptaminol (42.9%), midodrine (45.5%), or midodrine plus fludrocortisone (28.6%). This study shows that AF patients have a poor clinical outcome when exposed to high temperatures and that heat exposure is a risk factor for OH worsening.</div>
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