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Article: How do we follow-up patients with adolescent idiopathic scoliosis? Recommendations based on a multicenter study on the distal radius and ulna classification

TitleHow do we follow-up patients with adolescent idiopathic scoliosis? Recommendations based on a multicenter study on the distal radius and ulna classification
Authors
KeywordsAdolescent idiopathic scoliosis
Distal radius and ulna classification
Bone age
Cobb angle
Curve progression
Issue Date2020
PublisherSpringer. The Journal's web site is located at http://www.springer.com/medicine/orthopedics/journal/586
Citation
European Spine Journal, 2020, Epub 2020-05-06 How to Cite?
AbstractPurpose: To determine the capability of the distal radius and ulna (DRU) classification for predicting the scoliosis progression risk within 1 year in patients with adolescent idiopathic scoliosis (AIS) and to develop simple recommendations for follow-up durations. Methods: Medical records of patients with AIS at two tertiary scoliosis referral centers were retrospectively reviewed for their DRU classification and major curve Cobb angles. Baseline DRU grades and Cobb angles with subsequent 1-year follow-up curve magnitudes were studied for scoliosis progression, which was defined as exacerbation of the Cobb angle by ≥ 6°. The relationship between DRU classification and scoliosis progression risk within 1 year was investigated. Patients were divided into three groups according to the Cobb angle (10°–19°, 20°–29°, ≥ 30°). Results: Of the 205 patients with 283 follow-up visits, scoliosis progression occurred in 86 patients (90 follow-up visits). Radius and ulna grades were significantly related to scoliosis progression (p < 0.001). R6, R7, and U5 grades were significantly related to scoliosis progression risk. The curve progression probability increased as the Cobb angle increased. Cobb angles ≥ 30°, with these grades, led to progression in > 80% of patients within 1 year. Curve progression was less likely for grades R9 and U7. Most patients with more mature DRU grades did not experience progression, even with Cobb angles ≥ 30°. Conclusion: With R6, R7, and U5, scoliosis may progress within a short period; therefore, careful follow-up with short intervals within 6 months is necessary. R9 and U7 may allow longer 1-year follow-up intervals due to the lower progression risk.
Persistent Identifierhttp://hdl.handle.net/10722/283390
ISSN
2019 Impact Factor: 2.458
2015 SCImago Journal Rankings: 0.972

 

DC FieldValueLanguage
dc.contributor.authorYamamoto, Y-
dc.contributor.authorShigematsu, H-
dc.contributor.authorCheung, PWH-
dc.contributor.authorOkuda, A-
dc.contributor.authorKawasaki, S-
dc.contributor.authorTanaka, Y-
dc.contributor.authorCheung, JPY-
dc.date.accessioned2020-06-22T02:55:50Z-
dc.date.available2020-06-22T02:55:50Z-
dc.date.issued2020-
dc.identifier.citationEuropean Spine Journal, 2020, Epub 2020-05-06-
dc.identifier.issn0940-6719-
dc.identifier.urihttp://hdl.handle.net/10722/283390-
dc.description.abstractPurpose: To determine the capability of the distal radius and ulna (DRU) classification for predicting the scoliosis progression risk within 1 year in patients with adolescent idiopathic scoliosis (AIS) and to develop simple recommendations for follow-up durations. Methods: Medical records of patients with AIS at two tertiary scoliosis referral centers were retrospectively reviewed for their DRU classification and major curve Cobb angles. Baseline DRU grades and Cobb angles with subsequent 1-year follow-up curve magnitudes were studied for scoliosis progression, which was defined as exacerbation of the Cobb angle by ≥ 6°. The relationship between DRU classification and scoliosis progression risk within 1 year was investigated. Patients were divided into three groups according to the Cobb angle (10°–19°, 20°–29°, ≥ 30°). Results: Of the 205 patients with 283 follow-up visits, scoliosis progression occurred in 86 patients (90 follow-up visits). Radius and ulna grades were significantly related to scoliosis progression (p < 0.001). R6, R7, and U5 grades were significantly related to scoliosis progression risk. The curve progression probability increased as the Cobb angle increased. Cobb angles ≥ 30°, with these grades, led to progression in > 80% of patients within 1 year. Curve progression was less likely for grades R9 and U7. Most patients with more mature DRU grades did not experience progression, even with Cobb angles ≥ 30°. Conclusion: With R6, R7, and U5, scoliosis may progress within a short period; therefore, careful follow-up with short intervals within 6 months is necessary. R9 and U7 may allow longer 1-year follow-up intervals due to the lower progression risk.-
dc.languageeng-
dc.publisherSpringer. The Journal's web site is located at http://www.springer.com/medicine/orthopedics/journal/586-
dc.relation.ispartofEuropean Spine Journal-
dc.subjectAdolescent idiopathic scoliosis-
dc.subjectDistal radius and ulna classification-
dc.subjectBone age-
dc.subjectCobb angle-
dc.subjectCurve progression-
dc.titleHow do we follow-up patients with adolescent idiopathic scoliosis? Recommendations based on a multicenter study on the distal radius and ulna classification-
dc.typeArticle-
dc.identifier.emailCheung, PWH: gnuehcp6@hku.hk-
dc.identifier.emailCheung, JPY: cheungjp@hku.hk-
dc.identifier.authorityCheung, JPY=rp01685-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s00586-020-06441-4-
dc.identifier.pmid32377896-
dc.identifier.scopuseid_2-s2.0-85085148388-
dc.identifier.hkuros310633-
dc.identifier.volumeEpub 2020-05-06-
dc.publisher.placeGermany-

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