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Article: Assessment of reliability and validity of a handheld surface spine scanner for measuring trunk rotation in adolescent idiopathic scoliosis

TitleAssessment of reliability and validity of a handheld surface spine scanner for measuring trunk rotation in adolescent idiopathic scoliosis
Authors
KeywordsAdolescent idiopathic scoliosis
Scoliometer
Surface scanner
Trunk rotation
Issue Date26-Jul-2023
PublisherSpringer
Citation
Spine Deformity, 2023, v. 4, p. 887-895 How to Cite?
Abstract

PurposeTo assess the reliability and validity of a handheld scanner (SpineScan3D) for trunk rotation measurement in adolescent idiopathic scoliosis (AIS) subjects, as compared with Scoliometer.MethodsThis was a cross-sectional study with AIS subjects recruited. Biplanar spine radiographs were performed using an EOS imaging system with coronal Cobb angle (CCA) determined. The angle of trunk rotation (ATR) was measured using Scoliometer. SpineScan3D was employed to assess the axial rotation of subjects' back at forward bending, recorded as surface tilt angle (STA). Intra- and inter-examiner repeats were conducted to evaluate the reliability of SpineScan3D.Results97 AIS patients were recruited. Intra- and inter-examiner reliability of STA measures were good to excellent in major thoracic and lumbar curves (p < 0.001). A strong correlation was found between STA and ATR measures in both curve types (p < 0.001) with a standard error of the ATR estimate of between 1 and 2 degrees from linear regression models (R squared: 0.8-0.9, p < 0.001). A similar correlation with CCA was found for STA and ATR measures (r: 0.5-0.6, p < 0.002), which also demonstrated a similar sensitivity (72%-74%) and specificity (62%-77%) for diagnosing moderate to severe curves.ConclusionSpineScan3D is a handheld surface scanner with a potential of wide applications in subjects with AIS. The current study indicated that SpineScan3D is reliable and valid for measuring trunk rotation in AIS subjects, comparable to Scoliometer. Further studies are planned to investigate its measurements in coronal and sagittal planes and the potential of this device as a screening and monitoring tool.Level of evidenceLevel III.


Persistent Identifierhttp://hdl.handle.net/10722/331645
ISSN
2023 Impact Factor: 1.6
2023 SCImago Journal Rankings: 0.798
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWei, JZ-
dc.contributor.authorCheung, BKC-
dc.contributor.authorChu, SLH-
dc.contributor.authorTsang, PYL-
dc.contributor.authorTo, MKT-
dc.contributor.authorLau, JYN-
dc.contributor.authorCheung, KMC-
dc.date.accessioned2023-09-21T06:57:38Z-
dc.date.available2023-09-21T06:57:38Z-
dc.date.issued2023-07-26-
dc.identifier.citationSpine Deformity, 2023, v. 4, p. 887-895-
dc.identifier.issn2212-134X-
dc.identifier.urihttp://hdl.handle.net/10722/331645-
dc.description.abstract<p>PurposeTo assess the reliability and validity of a handheld scanner (SpineScan3D) for trunk rotation measurement in adolescent idiopathic scoliosis (AIS) subjects, as compared with Scoliometer.MethodsThis was a cross-sectional study with AIS subjects recruited. Biplanar spine radiographs were performed using an EOS imaging system with coronal Cobb angle (CCA) determined. The angle of trunk rotation (ATR) was measured using Scoliometer. SpineScan3D was employed to assess the axial rotation of subjects' back at forward bending, recorded as surface tilt angle (STA). Intra- and inter-examiner repeats were conducted to evaluate the reliability of SpineScan3D.Results97 AIS patients were recruited. Intra- and inter-examiner reliability of STA measures were good to excellent in major thoracic and lumbar curves (p < 0.001). A strong correlation was found between STA and ATR measures in both curve types (p < 0.001) with a standard error of the ATR estimate of between 1 and 2 degrees from linear regression models (R squared: 0.8-0.9, p < 0.001). A similar correlation with CCA was found for STA and ATR measures (r: 0.5-0.6, p < 0.002), which also demonstrated a similar sensitivity (72%-74%) and specificity (62%-77%) for diagnosing moderate to severe curves.ConclusionSpineScan3D is a handheld surface scanner with a potential of wide applications in subjects with AIS. The current study indicated that SpineScan3D is reliable and valid for measuring trunk rotation in AIS subjects, comparable to Scoliometer. Further studies are planned to investigate its measurements in coronal and sagittal planes and the potential of this device as a screening and monitoring tool.Level of evidenceLevel III.<br></p>-
dc.languageeng-
dc.publisherSpringer-
dc.relation.ispartofSpine Deformity-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectAdolescent idiopathic scoliosis-
dc.subjectScoliometer-
dc.subjectSurface scanner-
dc.subjectTrunk rotation-
dc.titleAssessment of reliability and validity of a handheld surface spine scanner for measuring trunk rotation in adolescent idiopathic scoliosis-
dc.typeArticle-
dc.identifier.doi10.1007/s43390-023-00737-3-
dc.identifier.scopuseid_2-s2.0-85165658021-
dc.identifier.volume4-
dc.identifier.spage887-
dc.identifier.epage895-
dc.identifier.eissn2212-1358-
dc.identifier.isiWOS:001037132800002-
dc.identifier.issnl2212-134X-

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