Cotrel-Dubousset (CD) or Universal Spine System (USS) Instrumentation in Adolescent Idiopathic Scoliosis (AIS)

Remes, Ville; Helenius, Ilkka; Schlenzka, Dietrich; Yrjönen, Timo; Ylikoski, Mauno; Poussa, Mikko

doi:10.1097/01.brs.0000138408.64907.dc

Cited by 83 publications

(45 citation statements)

References 52 publications

(32 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…No control group was used, and the corrections obtained with posteromedial translation will need to be compared in the future to other reduction techniques assessed with low dose stereoradiography. Although the follow-up period was short (34 months) in the UC group, it is now accepted that loss of correction after fusion in AIS primarily occurs during the first postoperative year and that results of spine surgery can be reliably evaluated radiologically after a minimum follow-up of 2 years [44]. However, the longterm outcomes of patients with PJK or a residual frontal tilt of the LIV [5°would merit further investigation.…”

Section: Limitations Of the Studymentioning

confidence: 99%

Adolescent idiopathic scoliosis treated with posteromedial translation: radiologic evaluation with a 3D low-dose system

et al. 2013

View full text Add to dashboard Cite

Purpose Computed tomography can be used for threedimensional (3D) evaluation of adolescent idiopathic scoliosis (AIS) patients, but at the expense of high radiation exposure, and with the limitation of being performed in the supine position. These drawbacks can now be avoided with low-dose stereoradiography, even in routine clinical use. The purpose of this study was to determine the 3D postoperative correction of AIS patients treated by posteromedial translation. Methods Forty-nine consecutive patients operated for AIS (Lenke 1-4) using posteromedial translation were included. Corrections were evaluated preoperatively, postoperatively and after at least 2 years using the EOS imaging system. 3D angles were measured in the plane of maximum deformity. Results Mean number of levels fused and operative time were 13.5 ± 1 and 215 ± 25 min, respectively. Main thoracic, proximal thoracic, and lumbar curves corrections averaged 64.4 ± 18, 31 ± 10 and 69 ± 20 %, respectively. Mean T4-T12 kyphosis increased 18.8°± 9°in the subgroup of hypokyphotic patients. Mean apical vertebral rotation reduction was 48.3 ± 20 %. Trunk height gain averaged 27.8 ± 14 mm. There was no pseudarthrosis or significant loss of correction in any plane during follow-up. Two patients (4 %) developed asymptomatic proximal junctional kyphosis, despite having normal thoracic kyphosis. Their sagittal balance was shifted posteriorly by 36 and 47 mm, respectively, by the operation, but revision surgery was not performed. Conclusions Low-dose stereoradiography provided 3D reconstructions of the fused and unfused spine in routine clinical use. Postoperative 3D analysis showed that posteromedial translation enhanced sagittal balance correction, without sacrificing frontal or axial correction of the deformity.

show abstract

Section: Limitations Of the Studymentioning

confidence: 99%

Adolescent idiopathic scoliosis treated with posteromedial translation: radiologic evaluation with a 3D low-dose system

et al. 2013

View full text Add to dashboard Cite

show abstract

“…[3,8,14]. Radiologically, spinal fusion with instrumentation has achieved great success in deformity correction [5,18,20]. However, surgeons' technical success does not necessarily translate into patient satisfaction with the surgical outcome [6,22].…”

Section: Introductionmentioning

confidence: 99%

Discrepancy between radiographic shoulder balance and cosmetic shoulder balance in adolescent idiopathic scoliosis patients with double thoracic curve

Qiu

et al. 2008

Eur Spine J

View full text Add to dashboard Cite

Shoulder balance is one of the key components to the body deformity in adolescent idiopathic scoliosis (AIS) patients with double thoracic curve and shoulder cosmesis plays an important role in patients' satisfaction of surgical outcomes. Up to now, only radiographic parameters were used to evaluate the shoulder balance in literatures; no corresponding cosmetic parameters have been developed to evaluate the cosmetic shoulder balance. Meanwhile, we often confronted that perfect radiographic shoulder balance was achieved, but the patients complained about the residual cosmetic deformity. This phenomenon implied that discrepancy may exist between radiographic shoulder balance and cosmetic shoulder balance. The present study was carried out to investigate the correlation between radiographic and clinical cosmetic shoulder balance in AIS patients with double thoracic curve. Thirtyfour AIS patients were recruited for this study. All the patients had a double thoracic curve. Six cosmetic parameters--inner shoulder height (SHi), outer shoulder height (SHo), shoulder area index 1 (SAI1), shoulder area index 2 (SAI2), shoulder angle (a1) and axilla angle (a2) were developed and measured on the standing photographs. Also, seven radiographic parameters--T1 tilting (T1), first rib angle (FRA), clavicle angle (CA), coracoid process height (CPH), clavicle-rib cage intersection (CRCI), first rib-clavicle height (FRCH), trapezius length (TL) were measured on the standing posterior-anterior radiographs. Correlation analysis was made between cosmetic parameters and radiographic parameters. SHi was found to be significantly correlated with T1, FRA, CA, CPH, CRCI (P \ 0.05), among which FRA had the highest correlation coefficient. SHo was found to be significantly correlated with T1, FRA, CA, CPH, CRCI, FRCH (P \ 0.05), among which CRCI had the highest correlation coefficient. However, none of the correlation coefficient was greater than 0.8. The correlation coefficients between radiographic parameters and SAI1, SAI2, a1, a2 were also below 0.8 that were similar with SH. The results indicated that radiographic parameters could only partially reflect the shoulder cosmetic appearances. However, none of the existing parameters can accurately reflect the shoulder cosmetic appearance. As cosmesis is critical important to patients' satisfaction, spine surgeons should pay more attention to the cosmetic shoulder balance rather than radiographic shoulder balance.

show abstract

“…Long-term results with the modern systems are limited [5,21,23,26,29,33]. It is reported that there is a 7°-17°correction loss in 5-15 years follow-up, but the vertebral stability is maintained and almost no correction loss is observed after two postoperative years [23,29,33,34].…”

Section: Introductionmentioning

confidence: 99%

Minimum 10 years follow-up surgical results of adolescent idiopathic scoliosis patients treated with TSRH instrumentation

et al. 2006

View full text Add to dashboard Cite

show abstract

Cotrel-Dubousset (CD) or Universal Spine System (USS) Instrumentation in Adolescent Idiopathic Scoliosis (AIS)

Cited by 83 publications

References 52 publications

Adolescent idiopathic scoliosis treated with posteromedial translation: radiologic evaluation with a 3D low-dose system

Adolescent idiopathic scoliosis treated with posteromedial translation: radiologic evaluation with a 3D low-dose system

Discrepancy between radiographic shoulder balance and cosmetic shoulder balance in adolescent idiopathic scoliosis patients with double thoracic curve

Minimum 10 years follow-up surgical results of adolescent idiopathic scoliosis patients treated with TSRH instrumentation

Contact Info

Product

Resources

About