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Article: Ultrasound measurement of lumbosacral spine in children
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TitleUltrasound measurement of lumbosacral spine in children
 
AuthorsLam, WWM2
Ai, V2
Wong, V1
Lui, WM1
Chan, FL2
Leong, L2
 
Issue Date2004
 
PublisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/pedneu
 
CitationPediatric Neurology, 2004, v. 30 n. 2, p. 115-121 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.pediatrneurol.2003.07.002
 
AbstractThe aim of this study was to establish normal ultrasound measurements of lumbosacral spine in children as a screening assessment of tethered cord or postoperative retethering of cord. Sonography of lumbosacral spine was performed in 108 neurologically normal children (mean age = 2.1 years) using 5- to 12-MHz linear transducer. M-mode was applied at the posterior and anterior subarachnoid spaces just below the conus medullaris and at the L 5/S 1 dural sac to document cerebrospinal fluid pulsation of the cauda equina. The oscillation rate and amplitude were measured. Sixteen children with spinal cord anomalies (6 with low tethered cord and 10 postoperative cases of low tethered cord) were also examined. The mean posterior/anterior subarachnoid spaces of normal children were 2.6 mm/1.8 mm at the terminal dural sac. The mean oscillation amplitude and rate of the cauda equina were 0.52 mm and 121/min at the L 5/S 1 dural sac. The oscillation amplitude at this level demonstrated a statistically significant difference between normal and abnormal groups. In conclusion, we recommend taking the fifth percentile of the normal oscillation amplitude at the L 5/S 1 dural sac as a reference. Any oscillation amplitude of less than 0.3 mm in a symptomatic patient should alert the clinician to possible cord abnormality, cord tethering, or retethering in postoperative cases. © 2004 by Elsevier Inc. All rights reserved.
 
ISSN0887-8994
2013 Impact Factor: 1.504
2013 SCImago Journal Rankings: 0.699
 
DOIhttp://dx.doi.org/10.1016/j.pediatrneurol.2003.07.002
 
ISI Accession Number IDWOS:000189349500008
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorLam, WWM
 
dc.contributor.authorAi, V
 
dc.contributor.authorWong, V
 
dc.contributor.authorLui, WM
 
dc.contributor.authorChan, FL
 
dc.contributor.authorLeong, L
 
dc.date.accessioned2011-12-12T03:51:51Z
 
dc.date.available2011-12-12T03:51:51Z
 
dc.date.issued2004
 
dc.description.abstractThe aim of this study was to establish normal ultrasound measurements of lumbosacral spine in children as a screening assessment of tethered cord or postoperative retethering of cord. Sonography of lumbosacral spine was performed in 108 neurologically normal children (mean age = 2.1 years) using 5- to 12-MHz linear transducer. M-mode was applied at the posterior and anterior subarachnoid spaces just below the conus medullaris and at the L 5/S 1 dural sac to document cerebrospinal fluid pulsation of the cauda equina. The oscillation rate and amplitude were measured. Sixteen children with spinal cord anomalies (6 with low tethered cord and 10 postoperative cases of low tethered cord) were also examined. The mean posterior/anterior subarachnoid spaces of normal children were 2.6 mm/1.8 mm at the terminal dural sac. The mean oscillation amplitude and rate of the cauda equina were 0.52 mm and 121/min at the L 5/S 1 dural sac. The oscillation amplitude at this level demonstrated a statistically significant difference between normal and abnormal groups. In conclusion, we recommend taking the fifth percentile of the normal oscillation amplitude at the L 5/S 1 dural sac as a reference. Any oscillation amplitude of less than 0.3 mm in a symptomatic patient should alert the clinician to possible cord abnormality, cord tethering, or retethering in postoperative cases. © 2004 by Elsevier Inc. All rights reserved.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationPediatric Neurology, 2004, v. 30 n. 2, p. 115-121 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.pediatrneurol.2003.07.002
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.pediatrneurol.2003.07.002
 
dc.identifier.epage121
 
dc.identifier.isiWOS:000189349500008
 
dc.identifier.issn0887-8994
2013 Impact Factor: 1.504
2013 SCImago Journal Rankings: 0.699
 
dc.identifier.issue2
 
dc.identifier.pmid14984904
 
dc.identifier.scopuseid_2-s2.0-1342345283
 
dc.identifier.spage115
 
dc.identifier.urihttp://hdl.handle.net/10722/143555
 
dc.identifier.volume30
 
dc.languageeng
 
dc.publisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/pedneu
 
dc.publisher.placeUnited States
 
dc.relation.ispartofPediatric Neurology
 
dc.relation.referencesReferences in Scopus
 
dc.subject.meshChi-Square Distribution
 
dc.subject.meshChild
 
dc.subject.meshChild, Preschool
 
dc.subject.meshFemale
 
dc.subject.meshHumans
 
dc.subject.meshInfant
 
dc.subject.meshInfant, Newborn
 
dc.subject.meshLumbar Vertebrae/*ultrasonography
 
dc.subject.meshLumbosacral Region/ultrasonography
 
dc.subject.meshMale
 
dc.subject.meshNeural Tube Defects/*ultrasonography
 
dc.subject.meshPostoperative Complications/ultrasonography
 
dc.subject.meshSacrum/*ultrasonography
 
dc.titleUltrasound measurement of lumbosacral spine in children
 
dc.typeArticle
 
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<contributor.author>Lui, WM</contributor.author>
<contributor.author>Chan, FL</contributor.author>
<contributor.author>Leong, L</contributor.author>
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<description.abstract>The aim of this study was to establish normal ultrasound measurements of lumbosacral spine in children as a screening assessment of tethered cord or postoperative retethering of cord. Sonography of lumbosacral spine was performed in 108 neurologically normal children (mean age = 2.1 years) using 5- to 12-MHz linear transducer. M-mode was applied at the posterior and anterior subarachnoid spaces just below the conus medullaris and at the L 5/S 1 dural sac to document cerebrospinal fluid pulsation of the cauda equina. The oscillation rate and amplitude were measured. Sixteen children with spinal cord anomalies (6 with low tethered cord and 10 postoperative cases of low tethered cord) were also examined. The mean posterior/anterior subarachnoid spaces of normal children were 2.6 mm/1.8 mm at the terminal dural sac. The mean oscillation amplitude and rate of the cauda equina were 0.52 mm and 121/min at the L 5/S 1 dural sac. The oscillation amplitude at this level demonstrated a statistically significant difference between normal and abnormal groups. In conclusion, we recommend taking the fifth percentile of the normal oscillation amplitude at the L 5/S 1 dural sac as a reference. Any oscillation amplitude of less than 0.3 mm in a symptomatic patient should alert the clinician to possible cord abnormality, cord tethering, or retethering in postoperative cases. &#169; 2004 by Elsevier Inc. All rights reserved.</description.abstract>
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Author Affiliations
  1. The University of Hong Kong
  2. Queen Mary Hospital Hong Kong