Postural stability in patients with different durations of benign paroxysmal positional vertigo.
Identifieur interne : 001022 ( Main/Exploration ); précédent : 001021; suivant : 001023Postural stability in patients with different durations of benign paroxysmal positional vertigo.
Auteurs : Katerina Stambolieva [Bulgarie] ; Georgi AngovSource :
- European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery [ 0937-4477 ] ; 2006.
Descripteurs français
- KwdFr :
- MESH :
- physiologie : Posture.
- physiopathologie : Canaux semicirculaires osseux, Vertige.
- Adulte d'âge moyen, Humains, Indice de gravité de la maladie, Études de suivi.
English descriptors
- KwdEn :
- MESH :
- physiology : Posture.
- physiopathology : Semicircular Canals, Vertigo.
- Follow-Up Studies, Humans, Middle Aged, Severity of Illness Index.
Abstract
Postural stability maintenance was investigated in patients with "idiopathic" benign paroxysmal positional vertigo of the posterior semicircular canal (BPPV-PSC) and compared to healthy subjects. To measure the postural stability during a quiet upright stance, we used static posturography in two conditions: with open and with closed eyes. The effect of the repositioning Epley's maneuver on the recovery of postural stability in patients with different durations of BPPV-PSC less than 60 days after the first attack of positioning vertigo (group I) and more than 60 days (group II) was examined. The investigation was made 1 h after the positive Dix-Hallpike test and 7 days after treatment with the Epley maneuver. "Sway velocity" (SV) and "relative power spectrum" (RPS) of the stabilograms were calculated to evaluate the postural stability for each subject and each experimental condition. We found a pronounced spectral density peak in the frequency range of 1.0-2.0 Hz and smaller spectral density in the range of 0.15-0.5 Hz compared to that in healthy subjects. Our results showed that the postural maintenance in BPPV-PSC patients depended on the disease duration. Patients with a duration of BPPV symptoms less than 60 days after the first attack demonstrated a high dependence on the visual input for postural stability. One week after the Epley maneuver, differences in the recovery of postural control in both groups of patients were also found. We assume that the disturbed otolith function together with the impaired dynamics of the semicircular canal generate a particular pattern of postural maintenance. The different degree of restoration of postural stability 1 week after the EM treatment in BPPV-PSC patients with different durations of the disease gives us reason to believe that after removing the otoconia from the semicircular canal, some stimulation of other sensory subsystems and adaptation mechanisms occur that lead to a new pattern of postural maintenance.
DOI: 10.1007/s00405-005-0971-9
PubMed: 16267685
Affiliations:
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G. Bonchev St. 23, 1113, Sofia, Bulgaria. katia@bio.bas.bg</nlm:affiliation><country xml:lang="fr">Bulgarie</country><wicri:regionArea>Laboratory of Motor Control of the Institute of Physiology, Bulgarian Academy of Sciences, Acad. G. Bonchev St. 23, 1113, Sofia</wicri:regionArea><placeName><settlement type="city">Sofia</settlement><region nuts="2">Sofia-ville (oblast)</region></placeName></affiliation></author><author><name sortKey="Angov, Georgi" sort="Angov, Georgi" uniqKey="Angov G" first="Georgi" last="Angov">Georgi Angov</name></author></analytic><series><title level="j">European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery</title><idno type="ISSN">0937-4477</idno><imprint><date when="2006" type="published">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Follow-Up Studies (MeSH)</term><term>Humans (MeSH)</term><term>Middle Aged (MeSH)</term><term>Posture (physiology)</term><term>Semicircular Canals (physiopathology)</term><term>Severity of Illness Index (MeSH)</term><term>Vertigo (physiopathology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adulte d'âge moyen (MeSH)</term><term>Canaux semicirculaires osseux (physiopathologie)</term><term>Humains (MeSH)</term><term>Indice de gravité de la maladie (MeSH)</term><term>Posture (physiologie)</term><term>Vertige (physiopathologie)</term><term>Études de suivi (MeSH)</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Posture</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Posture</term></keywords><keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Canaux semicirculaires osseux</term><term>Vertige</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Semicircular Canals</term><term>Vertigo</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Follow-Up Studies</term><term>Humans</term><term>Middle Aged</term><term>Severity of Illness Index</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adulte d'âge moyen</term><term>Humains</term><term>Indice de gravité de la maladie</term><term>Études de suivi</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Postural stability maintenance was investigated in patients with "idiopathic" benign paroxysmal positional vertigo of the posterior semicircular canal (BPPV-PSC) and compared to healthy subjects. To measure the postural stability during a quiet upright stance, we used static posturography in two conditions: with open and with closed eyes. The effect of the repositioning Epley's maneuver on the recovery of postural stability in patients with different durations of BPPV-PSC less than 60 days after the first attack of positioning vertigo (group I) and more than 60 days (group II) was examined. The investigation was made 1 h after the positive Dix-Hallpike test and 7 days after treatment with the Epley maneuver. "Sway velocity" (SV) and "relative power spectrum" (RPS) of the stabilograms were calculated to evaluate the postural stability for each subject and each experimental condition. We found a pronounced spectral density peak in the frequency range of 1.0-2.0 Hz and smaller spectral density in the range of 0.15-0.5 Hz compared to that in healthy subjects. Our results showed that the postural maintenance in BPPV-PSC patients depended on the disease duration. Patients with a duration of BPPV symptoms less than 60 days after the first attack demonstrated a high dependence on the visual input for postural stability. One week after the Epley maneuver, differences in the recovery of postural control in both groups of patients were also found. We assume that the disturbed otolith function together with the impaired dynamics of the semicircular canal generate a particular pattern of postural maintenance. The different degree of restoration of postural stability 1 week after the EM treatment in BPPV-PSC patients with different durations of the disease gives us reason to believe that after removing the otoconia from the semicircular canal, some stimulation of other sensory subsystems and adaptation mechanisms occur that lead to a new pattern of postural maintenance.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16267685</PMID><DateCompleted><Year>2007</Year><Month>05</Month><Day>08</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0937-4477</ISSN><JournalIssue CitedMedium="Print"><Volume>263</Volume><Issue>2</Issue><PubDate><Year>2006</Year><Month>Feb</Month></PubDate></JournalIssue><Title>European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery</Title><ISOAbbreviation>Eur Arch Otorhinolaryngol</ISOAbbreviation></Journal><ArticleTitle>Postural stability in patients with different durations of benign paroxysmal positional vertigo.</ArticleTitle><Pagination><MedlinePgn>118-22</MedlinePgn></Pagination><Abstract><AbstractText>Postural stability maintenance was investigated in patients with "idiopathic" benign paroxysmal positional vertigo of the posterior semicircular canal (BPPV-PSC) and compared to healthy subjects. To measure the postural stability during a quiet upright stance, we used static posturography in two conditions: with open and with closed eyes. The effect of the repositioning Epley's maneuver on the recovery of postural stability in patients with different durations of BPPV-PSC less than 60 days after the first attack of positioning vertigo (group I) and more than 60 days (group II) was examined. The investigation was made 1 h after the positive Dix-Hallpike test and 7 days after treatment with the Epley maneuver. "Sway velocity" (SV) and "relative power spectrum" (RPS) of the stabilograms were calculated to evaluate the postural stability for each subject and each experimental condition. We found a pronounced spectral density peak in the frequency range of 1.0-2.0 Hz and smaller spectral density in the range of 0.15-0.5 Hz compared to that in healthy subjects. Our results showed that the postural maintenance in BPPV-PSC patients depended on the disease duration. Patients with a duration of BPPV symptoms less than 60 days after the first attack demonstrated a high dependence on the visual input for postural stability. One week after the Epley maneuver, differences in the recovery of postural control in both groups of patients were also found. We assume that the disturbed otolith function together with the impaired dynamics of the semicircular canal generate a particular pattern of postural maintenance. The different degree of restoration of postural stability 1 week after the EM treatment in BPPV-PSC patients with different durations of the disease gives us reason to believe that after removing the otoconia from the semicircular canal, some stimulation of other sensory subsystems and adaptation mechanisms occur that lead to a new pattern of postural maintenance.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Stambolieva</LastName><ForeName>Katerina</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>Laboratory of Motor Control of the Institute of Physiology, Bulgarian Academy of Sciences, Acad. G. 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Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011187" MajorTopicYN="N">Posture</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012665" MajorTopicYN="N">Semicircular Canals</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="N">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012720" MajorTopicYN="N">Severity of Illness Index</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014717" MajorTopicYN="N">Vertigo</DescriptorName><QualifierName UI="Q000503" MajorTopicYN="Y">physiopathology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2004</Year><Month>11</Month><Day>23</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2005</Year><Month>04</Month><Day>01</Day></PubMedPubDate><PubMedPubDate 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IdType="pubmed">15011204</ArticleId></ArticleIdList></Reference></ReferenceList></PubmedData></pubmed><affiliations><list><country><li>Bulgarie</li></country><region><li>Sofia-ville (oblast)</li></region><settlement><li>Sofia</li></settlement></list><tree><noCountry><name sortKey="Angov, Georgi" sort="Angov, Georgi" uniqKey="Angov G" first="Georgi" last="Angov">Georgi Angov</name></noCountry><country name="Bulgarie"><region name="Sofia-ville (oblast)"><name sortKey="Stambolieva, Katerina" sort="Stambolieva, Katerina" uniqKey="Stambolieva K" first="Katerina" last="Stambolieva">Katerina Stambolieva</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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