Prevalence of essential tremor in three elderly populations of central Spain
Identifieur interne : 000F40 ( Istex/Corpus ); précédent : 000F39; suivant : 000F41Prevalence of essential tremor in three elderly populations of central Spain
Auteurs : Julián Benito-Le N ; Félix Bermejo-Pareja ; José-Manuel Morales ; Saturio Vega ; José-Antonio MolinaSource :
- Movement Disorders [ 0885-3185 ] ; 2003-04.
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- KwdEn :
Abstract
Although essential tremor (ET) is considered the most prevalent adult movement disorder, the available information on its prevalence and distribution worldwide is not completely understood. We investigated the prevalence and distribution of ET in three elderly Spanish populations using a door‐to‐door, two‐phase approach. A brief screening instrument was administered on May 1, 1994 to subjects over 64 years old taken from the census of one urban municipality of Greater Madrid (quarter of Margaritas, Getafe), one urban district of Madrid (Lista), and one rural site (Arévalo county, Ávila) (N = 5,278). Study subjects were limited to those who screened positively (N = 472). To increase reliability, each patient was examined by 3 experienced neurologists, and was classified as having ET only when all 3 neurologists agreed (183 of 472). The present study was part of a large‐scale epidemiological survey of neurological diseases, and served as a baseline investigation in a 3‐year incidence study. Accordingly, 41 ET patients were identified when evaluating subjects who had screened positively for dementia, stroke, or parkinsonism, despite the fact that they had screened negatively for tremor; furthermore, 32 additional ET prevalent cases were detected when evaluating subjects who had screened positively for tremor in the second cross‐sectional study (May 1, 1997), although they had screened negatively for tremor in the first cross‐sectional study. We identified 256 persons (152 women, 104 men) with ET; of these, 87 patients (34.0%) reported having an affected relative. Two hundred and four (79.7%) of the subjects with ET were detected through this screening and had not been diagnosed previously. The prevalence of ET was 4.8% (95% CI = 4.2–5.4) for the total population; 4.6% (95% CI = 3.7–5.4) in men and 5.0% (95% CI = 4.2–5.8) in women. Age‐specific prevalence increased with advancing age for both men and women. Despite the variability in worldwide data, ET is a frequently encountered disorder in elderly people. Furthermore, as ET may be seen as a relatively benign condition, a large proportion of patients may never seek neurological attention. © 2002 Movement Disorder Society
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DOI: 10.1002/mds.10376
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We investigated the prevalence and distribution of ET in three elderly Spanish populations using a door‐to‐door, two‐phase approach. A brief screening instrument was administered on May 1, 1994 to subjects over 64 years old taken from the census of one urban municipality of Greater Madrid (quarter of Margaritas, Getafe), one urban district of Madrid (Lista), and one rural site (Arévalo county, Ávila) (N = 5,278). Study subjects were limited to those who screened positively (N = 472). To increase reliability, each patient was examined by 3 experienced neurologists, and was classified as having ET only when all 3 neurologists agreed (183 of 472). The present study was part of a large‐scale epidemiological survey of neurological diseases, and served as a baseline investigation in a 3‐year incidence study. Accordingly, 41 ET patients were identified when evaluating subjects who had screened positively for dementia, stroke, or parkinsonism, despite the fact that they had screened negatively for tremor; furthermore, 32 additional ET prevalent cases were detected when evaluating subjects who had screened positively for tremor in the second cross‐sectional study (May 1, 1997), although they had screened negatively for tremor in the first cross‐sectional study. We identified 256 persons (152 women, 104 men) with ET; of these, 87 patients (34.0%) reported having an affected relative. Two hundred and four (79.7%) of the subjects with ET were detected through this screening and had not been diagnosed previously. The prevalence of ET was 4.8% (95% CI = 4.2–5.4) for the total population; 4.6% (95% CI = 3.7–5.4) in men and 5.0% (95% CI = 4.2–5.8) in women. Age‐specific prevalence increased with advancing age for both men and women. Despite the variability in worldwide data, ET is a frequently encountered disorder in elderly people. Furthermore, as ET may be seen as a relatively benign condition, a large proportion of patients may never seek neurological attention. © 2002 Movement Disorder Society</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Julián Benito‐León MD, PhD</name><affiliations><json:string>Department of Neurology, Móstoles General Hospital, Móstoles, Madrid, Spain</json:string></affiliations></json:item><json:item><name>Félix Bermejo‐Pareja MD, PhD</name><affiliations><json:string>Department of Neurology, University Hospital 12 de Octubre, Madrid, Spain</json:string></affiliations></json:item><json:item><name>José‐Manuel Morales MD, PhD</name><affiliations><json:string>Department of Research, Ministry of Labor and Social Affairs, Avila, Spain</json:string></affiliations></json:item><json:item><name>Saturio Vega MD, PhD</name><affiliations><json:string>Arévalo Health Center, Arévalo, Avila, Spain</json:string></affiliations></json:item><json:item><name>José‐Antonio Molina MD, PhD</name><affiliations><json:string>Department of Neurology, University Hospital 12 de Octubre, Madrid, Spain</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>epidemiology</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>neurological disorders</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>tremor</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>prevalence</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>survey</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>elderly</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Spain</value></json:item></subject><language><json:string>eng</json:string></language><abstract>Although essential tremor (ET) is considered the most prevalent adult movement disorder, the available information on its prevalence and distribution worldwide is not completely understood. We investigated the prevalence and distribution of ET in three elderly Spanish populations using a door‐to‐door, two‐phase approach. A brief screening instrument was administered on May 1, 1994 to subjects over 64 years old taken from the census of one urban municipality of Greater Madrid (quarter of Margaritas, Getafe), one urban district of Madrid (Lista), and one rural site (Arévalo county, Ávila) (N = 5,278). Study subjects were limited to those who screened positively (N = 472). To increase reliability, each patient was examined by 3 experienced neurologists, and was classified as having ET only when all 3 neurologists agreed (183 of 472). The present study was part of a large‐scale epidemiological survey of neurological diseases, and served as a baseline investigation in a 3‐year incidence study. Accordingly, 41 ET patients were identified when evaluating subjects who had screened positively for dementia, stroke, or parkinsonism, despite the fact that they had screened negatively for tremor; furthermore, 32 additional ET prevalent cases were detected when evaluating subjects who had screened positively for tremor in the second cross‐sectional study (May 1, 1997), although they had screened negatively for tremor in the first cross‐sectional study. We identified 256 persons (152 women, 104 men) with ET; of these, 87 patients (34.0%) reported having an affected relative. Two hundred and four (79.7%) of the subjects with ET were detected through this screening and had not been diagnosed previously. The prevalence of ET was 4.8% (95% CI = 4.2–5.4) for the total population; 4.6% (95% CI = 3.7–5.4) in men and 5.0% (95% CI = 4.2–5.8) in women. Age‐specific prevalence increased with advancing age for both men and women. Despite the variability in worldwide data, ET is a frequently encountered disorder in elderly people. 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Disord.</title><idno type="pISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><idno type="DOI">10.1002/(ISSN)1531-8257</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>New York</pubPlace><date type="published" when="2003-04"></date><biblScope unit="vol">18</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="389">389</biblScope><biblScope unit="page" to="394">394</biblScope></imprint></monogr><idno type="istex">7D99D2D4391CACEE059D57498DC0878C1CA6B213</idno><idno type="DOI">10.1002/mds.10376</idno><idno type="ArticleID">MDS10376</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>2003</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="fr"><p>Although essential tremor (ET) is considered the most prevalent adult movement disorder, the available information on its prevalence and distribution worldwide is not completely understood. We investigated the prevalence and distribution of ET in three elderly Spanish populations using a door‐to‐door, two‐phase approach. A brief screening instrument was administered on May 1, 1994 to subjects over 64 years old taken from the census of one urban municipality of Greater Madrid (quarter of Margaritas, Getafe), one urban district of Madrid (Lista), and one rural site (Arévalo county, Ávila) (N = 5,278). Study subjects were limited to those who screened positively (N = 472). To increase reliability, each patient was examined by 3 experienced neurologists, and was classified as having ET only when all 3 neurologists agreed (183 of 472). The present study was part of a large‐scale epidemiological survey of neurological diseases, and served as a baseline investigation in a 3‐year incidence study. Accordingly, 41 ET patients were identified when evaluating subjects who had screened positively for dementia, stroke, or parkinsonism, despite the fact that they had screened negatively for tremor; furthermore, 32 additional ET prevalent cases were detected when evaluating subjects who had screened positively for tremor in the second cross‐sectional study (May 1, 1997), although they had screened negatively for tremor in the first cross‐sectional study. We identified 256 persons (152 women, 104 men) with ET; of these, 87 patients (34.0%) reported having an affected relative. Two hundred and four (79.7%) of the subjects with ET were detected through this screening and had not been diagnosed previously. The prevalence of ET was 4.8% (95% CI = 4.2–5.4) for the total population; 4.6% (95% CI = 3.7–5.4) in men and 5.0% (95% CI = 4.2–5.8) in women. Age‐specific prevalence increased with advancing age for both men and women. Despite the variability in worldwide data, ET is a frequently encountered disorder in elderly people. 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type="organization"><unparsedAffiliation>Department of Research, Ministry of Labor and Social Affairs, Avila, Spain</unparsedAffiliation></affiliation><affiliation xml:id="af4" countryCode="ES" type="organization"><unparsedAffiliation>Arévalo Health Center, Arévalo, Avila, Spain</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en" type="author"><keyword xml:id="kwd1">epidemiology</keyword><keyword xml:id="kwd2">neurological disorders</keyword><keyword xml:id="kwd3">tremor</keyword><keyword xml:id="kwd4">prevalence</keyword><keyword xml:id="kwd5">survey</keyword><keyword xml:id="kwd6">elderly</keyword><keyword xml:id="kwd7">Spain</keyword></keywordGroup><fundingInfo><fundingAgency>Spanish Health Research Agency</fundingAgency></fundingInfo><fundingInfo><fundingAgency>Spanish Office of Science and Technology</fundingAgency></fundingInfo><abstractGroup><abstract type="main" xml:lang="fr"><title type="main">Abstract</title><p>Although essential tremor (ET) is considered the most prevalent adult movement disorder, the available information on its prevalence and distribution worldwide is not completely understood. We investigated the prevalence and distribution of ET in three elderly Spanish populations using a door‐to‐door, two‐phase approach. A brief screening instrument was administered on May 1, 1994 to subjects over 64 years old taken from the census of one urban municipality of Greater Madrid (quarter of Margaritas, Getafe), one urban district of Madrid (Lista), and one rural site (Arévalo county, Ávila) (N = 5,278). Study subjects were limited to those who screened positively (N = 472). To increase reliability, each patient was examined by 3 experienced neurologists, and was classified as having ET only when all 3 neurologists agreed (183 of 472). The present study was part of a large‐scale epidemiological survey of neurological diseases, and served as a baseline investigation in a 3‐year incidence study. Accordingly, 41 ET patients were identified when evaluating subjects who had screened positively for dementia, stroke, or parkinsonism, despite the fact that they had screened negatively for tremor; furthermore, 32 additional ET prevalent cases were detected when evaluating subjects who had screened positively for tremor in the second cross‐sectional study (May 1, 1997), although they had screened negatively for tremor in the first cross‐sectional study. We identified 256 persons (152 women, 104 men) with ET; of these, 87 patients (34.0%) reported having an affected relative. Two hundred and four (79.7%) of the subjects with ET were detected through this screening and had not been diagnosed previously. The prevalence of ET was 4.8% (95% CI = 4.2–5.4) for the total population; 4.6% (95% CI = 3.7–5.4) in men and 5.0% (95% CI = 4.2–5.8) in women. Age‐specific prevalence increased with advancing age for both men and women. Despite the variability in worldwide data, ET is a frequently encountered disorder in elderly people. Furthermore, as ET may be seen as a relatively benign condition, a large proportion of patients may never seek neurological attention. © 2002 Movement Disorder Society</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><!--Version 0.6 générée le 4-12-2015--><mods version="3.6"><titleInfo lang="en"><title>Prevalence of essential tremor in three elderly populations of central Spain</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Essential Tremor and Prevalence</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Prevalence of essential tremor in three elderly populations of central Spain</title></titleInfo><name type="personal"><namePart type="given">Julián</namePart><namePart type="family">Benito‐León</namePart><namePart type="termsOfAddress">MD, PhD</namePart><affiliation>Department of Neurology, Móstoles General Hospital, Móstoles, Madrid, Spain</affiliation><description>Correspondence: Avda. de la Constitución 73, portal 3, 7° Izquierda, E‐28820 Coslada, Madrid, Spain</description><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Félix</namePart><namePart type="family">Bermejo‐Pareja</namePart><namePart type="termsOfAddress">MD, PhD</namePart><affiliation>Department of Neurology, University Hospital 12 de Octubre, Madrid, Spain</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">José‐Manuel</namePart><namePart type="family">Morales</namePart><namePart type="termsOfAddress">MD, PhD</namePart><affiliation>Department of Research, Ministry of Labor and Social Affairs, Avila, Spain</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Saturio</namePart><namePart type="family">Vega</namePart><namePart type="termsOfAddress">MD, PhD</namePart><affiliation>Arévalo Health Center, Arévalo, Avila, Spain</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">José‐Antonio</namePart><namePart type="family">Molina</namePart><namePart type="termsOfAddress">MD, PhD</namePart><affiliation>Department of Neurology, University Hospital 12 de Octubre, Madrid, Spain</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre authority="originalCategForm">article</genre><originInfo><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><place><placeTerm type="text">New York</placeTerm></place><dateIssued encoding="w3cdtf">2003-04</dateIssued><dateCaptured encoding="w3cdtf">2002-03-25</dateCaptured><dateValid encoding="w3cdtf">2002-09-11</dateValid><copyrightDate encoding="w3cdtf">2003</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">1</extent><extent unit="tables">3</extent><extent unit="references">24</extent><extent unit="words">4357</extent></physicalDescription><abstract lang="fr">Although essential tremor (ET) is considered the most prevalent adult movement disorder, the available information on its prevalence and distribution worldwide is not completely understood. We investigated the prevalence and distribution of ET in three elderly Spanish populations using a door‐to‐door, two‐phase approach. A brief screening instrument was administered on May 1, 1994 to subjects over 64 years old taken from the census of one urban municipality of Greater Madrid (quarter of Margaritas, Getafe), one urban district of Madrid (Lista), and one rural site (Arévalo county, Ávila) (N = 5,278). Study subjects were limited to those who screened positively (N = 472). To increase reliability, each patient was examined by 3 experienced neurologists, and was classified as having ET only when all 3 neurologists agreed (183 of 472). The present study was part of a large‐scale epidemiological survey of neurological diseases, and served as a baseline investigation in a 3‐year incidence study. Accordingly, 41 ET patients were identified when evaluating subjects who had screened positively for dementia, stroke, or parkinsonism, despite the fact that they had screened negatively for tremor; furthermore, 32 additional ET prevalent cases were detected when evaluating subjects who had screened positively for tremor in the second cross‐sectional study (May 1, 1997), although they had screened negatively for tremor in the first cross‐sectional study. We identified 256 persons (152 women, 104 men) with ET; of these, 87 patients (34.0%) reported having an affected relative. Two hundred and four (79.7%) of the subjects with ET were detected through this screening and had not been diagnosed previously. The prevalence of ET was 4.8% (95% CI = 4.2–5.4) for the total population; 4.6% (95% CI = 3.7–5.4) in men and 5.0% (95% CI = 4.2–5.8) in women. Age‐specific prevalence increased with advancing age for both men and women. Despite the variability in worldwide data, ET is a frequently encountered disorder in elderly people. Furthermore, as ET may be seen as a relatively benign condition, a large proportion of patients may never seek neurological attention. © 2002 Movement Disorder Society</abstract><note type="funding">Spanish Health Research Agency</note><note type="funding">Spanish Office of Science and Technology</note><subject lang="en"><genre>Keywords</genre><topic>epidemiology</topic><topic>neurological disorders</topic><topic>tremor</topic><topic>prevalence</topic><topic>survey</topic><topic>elderly</topic><topic>Spain</topic></subject><relatedItem type="host"><titleInfo><title>Movement Disorders</title><subTitle>Official Journal of the Movement Disorder Society</subTitle></titleInfo><titleInfo type="abbreviated"><title>Mov. Disord.</title></titleInfo><subject><genre>article category</genre><topic>Research Article</topic></subject><identifier type="ISSN">0885-3185</identifier><identifier type="eISSN">1531-8257</identifier><identifier type="DOI">10.1002/(ISSN)1531-8257</identifier><identifier type="PublisherID">MDS</identifier><part><date>2003</date><detail type="volume"><caption>vol.</caption><number>18</number></detail><detail type="issue"><caption>no.</caption><number>4</number></detail><extent unit="pages"><start>389</start><end>394</end><total>6</total></extent></part></relatedItem><identifier type="istex">7D99D2D4391CACEE059D57498DC0878C1CA6B213</identifier><identifier type="DOI">10.1002/mds.10376</identifier><identifier type="ArticleID">MDS10376</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2003 Movement Disorders Society</accessCondition><recordInfo><recordOrigin>Wiley Subscription Services, Inc., A Wiley Company</recordOrigin><recordContentSource>WILEY</recordContentSource></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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