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PubMed1982

[Differential diagnosis of early scoliosis in Scheuermann's disease and idiopathic scoliosis (author's transl)].

In order to avoid overtreatment or undertreatment of a beginning scoliosis early differentiation of the clinically unimportant concomitant scoliosis of Scheuermann's disease is essential as against early idiopathic scoliosis, spondyloepiphyseal dysplasia and the fixed round back deformity of adolescents. Scheuermann's scoliosis as opposed to idiopathic scoliosis is characterised by the almost complete lack of vertebral rotation (as with spondyloepiphyseal dysplasia), by a localized unilateral narrowing of the intervertebral space in the a.p. x-ray, as well as by a slight Z- or E-pattern, and a relative shortness of the curves. Simultaneous dorsal kyphosis may be absent. Indispensable is furthermore, the familiarity with the early x-ray signs of Scheuermann's disease in the lateral view as compared with the X-ray of the fixed roundback.

Adolescent↗
PubMed1998

A logical coronal pattern classification of 2,000 consecutive idiopathic scoliosis cases based on the scoliosis research society-defined apical vertebra.

STUDY DESIGN: Two thousand consecutive idiopathic scoliosis records and radiographs were reviewed for coronal pattern typing and categorization, based on Scoliosis Research Society definitions of the apical vertebra. Apical frequency was determined for each of the patterns identified, and represents a database from a large series of cases for the already accepted Scoliosis Research Society definitions. OBJECTIVES: To identify and numerically pattern-type a large series of idiopathic coronal curves, for the basic purpose of written and oral communication. Some pattern types were not described previously. SUMMARY OF BACKGROUND DATA: Although spinal deformity must be considered three dimensional for treatment in 1998, no comprehensive, databased, and user friendly coronal or sagittal classification of idiopathic scoliosis has been reported. METHODS: Two thousand idiopathic curve patterns from charts and radiographs were reviewed and the coronal patterns categorized by the apical vertebra. The resulting classification was tested for inter- and intraobserver reliability by 12 spine surgeons and 6 orthopedic residents. Apical frequencies were determined for each pattern type. RESULTS: Twenty-one pattern categories were identified, and all were right or left mirror image patterns (except for a quadruple pattern) that permitted separation into 11 types. Incorporating the widely recognized five numbered King types mad pattern recognition simple. Interobserver reliability testing was 98.2%. The left single thoracic curve pattern was included in this classification because only 9 (20.4%) of 44 patients with left thoracic curves had intraspinal pathology. CONCLUSION: Two thousand consecutive idiopathic coronal curve patterns separated into eleven readily identifiable types, and incorporating the widely referenced five King types, makes recognition simple for purposes of identification and communication. Sagittal and 3D factors excluded from this classification are equally important in the process of treatment decisions. Apical frequency data determined in this study lends credence to Scoliosis Research Society definitions for idiopathic curve patterns.

Adolescent↗
PubMed1999

Results of the Scoliosis Research Society instrument for evaluation of surgical outcome in adolescent idiopathic scoliosis. A multicenter study of 244 patients.

STUDY DESIGN: An outcome questionnaire was constructed to evaluate patient satisfaction and performance and to discriminate among patients with adolescent idiopathic scoliosis. OBJECTIVES: To determine reliability and validity in a new quality-of-life instrument for measuring progress among scoliosis patients. SUMMARY OF BACKGROUND DATA: Meta-analysis of the surgical treatment of adolescent idiopathic scoliosis determined that a uniform assessment of outcome did not exist. In addition, patient measures of well-being as opposed to process measures (e.g., radiographs) were not consistently reported. This established the need for a standardized questionnaire to assess patient measures in conjunction with process measures. METHODS: The instrument consists of 24 questions divided into seven equally weighted domains as determined by factor analysis: pain, general self-image, postoperative self-image, general function, overall level of activity, postoperative function, and satisfaction. The questionnaire takes approximately 5 minutes to complete and is taken at predetermined time intervals. A total of 244 of patients from three different sites responded to the questionnaire. RESULTS: The reliability based on internal consistency was confirmed with a Cronbach's alpha coefficient greater than 0.6 for each domain. In addition, acceptable correlation coefficient values greater than 0.68 were obtained for each domain by the test-retest method on normal controls. Similarly; to establish validity of the questionnaire, responses of normal high school students were compared with that of the patients. Consistent differences were noted in the domains between the two groups with P < 0.003. The largest differences were in pain (control, 29.96 +/- 0.20; patient, 13.23 +/- 5.55) and general level of activity (control, 14.96 +/- 0.20; patient, 12.16 +/- 3.23). Examination of the relationship between the domains and patient satisfaction showed that pain correlates with satisfaction to the greatest degree (Pearson's correlation co-efficient, r = -0.511; P < 0.001), followed by self-image (r = 0.412; P < 0.001). CONCLUSIONS: This questionnaire addresses patient measures for evaluation of outcome in adolescent idiopathic scoliosis surgery by examining several domains. It also allows for dynamic monitoring of scoliosis patients as they become adults. This is a validated instrument with good reliability measures.

Adolescent↗
PubMed1982

[A new approach for evaluation of the rotational deformity in scoliosis. Part I: The development of an apparatus measuring truncal cross-sections and quantitative rotational indices of scoliosis].

It is indispensable in the diagnosis and treatment of idiopathic scoliosis to estimate the axial rotation deformity as well as the lateral flexion deformity. Because of lack of methodology till now, appropriate quantitative estimation of the former deformity has not been available for the routine clinical use. The purpose of this investigation was to propose a new approach which makes it possible to evaluate the rotational deformity of scoliosis more precisely than ever. To realize an idea that a two-dimentional morphologic measurement through horizontal planes is reasonable for the recognition of the rotational deformity, a new experimental apparatus named Laser Torsograph was constructed for the purpose of measuring horizontal cross-sections of the human body surface. The fundamentals of the measuring system is an optical triangulation using a laser spot which is detected by a line sensor camera. While the laser spot is turned around the trunk horizontally for 360 degrees, input data of the positions of the laser spot on the trunk surface are compiled into a minicomputer and processed to be visualized as cross-sectional figures on a display and X-Y plotter. Each cross-sections thus measured are computerized for the quantitative assessment of the deformity and three parameters (theta, phi, psi) are obtained full-automatically. Theta represents the degree of the spatial rotation of the cross-section (the position change). Phi represents the degree of the distorsion of the cross-section itself (the shape change). Psi represents the difference of thickness between the right and left half of the cross-section. By measuring cross-sections at multi-levels of each spinous processes for a scoliotic patient, the rotational indices of scoliosis are determined as the maximum values of each parameters. As a result of application of Laser Torsography to 109 cases of idiopathic scoliosis, the usefulness of this method has been established. The rotational deformity was obvious on inspection of cross-sections and convincing informations about structural changes were offered which were helpful, for example, to define the curve patterns objectively. Our innovative approach will provide the routine clinical situations with the precise visualization and appropriate quantitative data on the axial rotational deformity in scoliosis.

Adolescent↗
PubMedDate not supplied

[A 10-year follow-up of the Harrington operation in congenital scoliosis and scoliosis due to poliomyelitis and neurofibromatosis].

From 1972 through 1976 40 patients with congenital scoliosis, scoliosis in neurofibromatosis and scoliosis following poliomyelitis underwent posterior spine fusion using Harrington instrumentation. Follow up was 10 years or more with an average of 12 years. 63 percent of all patients showed a curve of more than 90 degrees before operation. The different types of scolioses revealed characteristical results according to their etiology during long time follow up. Concerning long time reduction of curve the best results were obtained in patients following poliomyelitis. Patients with congenital and neurofibromatous scoliosis showed loss of correction 2 and 5 years postoperatively.

Adolescent↗
PubMed2003

The reliability and concurrent validity of the scoliosis research society-22 patient questionnaire for idiopathic scoliosis.

STUDY DESIGN: Outcome study to determine response distribution, internal consistency, reproducibility, and concurrent validity of the Scoliosis Research Society-22 (SRS-22) health-related quality-of-life (HRQL) questionnaire. OBJECTIVES: Further refinement of an HRQL questionnaire specific for idiopathic scoliosis. SUMMARY OF BACKGROUND DATA: Previous experience with the original and modified SRS HRQL questionnaires suggested a need for further refinement and more complete validation. METHODS: The SRS-22 and Short Form 36 (SF-36) HRQL questionnaires were mailed to 83 previously surveyed postoperative idiopathic scoliosis patients. RESULTS: Fifty-eight (70%) patients returned the first set of questionnaires. Their average age at surgery was 14.6 years, and their average follow-up interval since surgery was 10.8 years. Fifty-one (88%) of the 58 returned the second set of questionnaires an average of 28 days later. The psychometric attributes of the instruments were comparable: score distribution, SRS-22 56.9% ceiling and 1.7% floor, SF-36 79.3% ceiling and 1.7% floor; internal consistency (Cronbach alpha), SRS-22 0.92 to 0.75, SF-36 0.91 to 0.36; and reproducibility (intraclass correlation coefficient), SRS-22 0.96 to 0.85, SF-36 0.92 to 0.61. Concurrent validity, determined by Pearson Correlation Coefficients between SRS-22 and SF-36 domains, was 0.70 or greater ( < 0.0001) for 17 relevant comparisons. CONCLUSION: The SRS-22 HRQL questionnaire is reliable with internal consistency and reproducibility comparable to SF-36. In addition, it demonstrated concurrent validity when compared to SF-36. It is shorter and more focused on the health issues related to idiopathic scoliosis than SF-36.

Adolescent↗
PubMed1998

Idiopathic scoliosis in twins studied by DNA fingerprinting: the incidence and type of scoliosis.

We investigated 21 pairs of twins for zygosity and idiopathic scoliosis. DNA fingerprinting confirmed that 13 pairs were monozygotic and eight were dizygotic. There was concordance for idiopathic scoliosis in 92.3% of monozygotic and 62.5% of dizygotic twins. Of the 12 pairs of monozygotic twins concordant for idiopathic scoliosis, six showed discordant curve patterns but eight had differences in Cobb angle of less than 10 degrees. Seven of the ten pairs of monozygotic twins had similar back shapes. Our findings suggest that there is a genetic factor in the aetiology of idiopathic scoliosis; they also indicate that there is a genetic factor in both the severity of the curve and the general shape of the back.

Adolescent↗
PubMed1988

Postural control in siblings to scoliosis patients and scoliosis patients.

The etiologic importance of postural dysfunction, as shown by many authors in adolescent idiopathic scoliosis (AIS), has been under great debate. The authors' hypothesis was that a factor that is involved in the development of the scoliotic curvature, would be present also in nonscoliotic siblings to scoliosis patients, as AIS is a hereditary transmitted disease. Postural function in 100 siblings to scoliotic children was investigated by means of stabilometry, and compared with a matched control group of healthy children, as well as a group of scoliotic children. The siblings showed a postural control function that was significantly different from both of the other groups. The siblings had a postural sway that was less than the sway measured in both controls and scoliosis patients. The sway was also more asymmetrical than in the two other groups. In the authors' opinion, the presence of this postural aberration in siblings indicates that it is a factor in the etiology of AIS.

Adolescent↗
PubMed2000

Scoliosis correction maintenance in skeletally immature patients with idiopathic scoliosis. Is anterior fusion really necessary?

STUDY DESIGN: A retrospective evaluation of the occurrence of the crankshaft phenomenon in skeletally immature patients with idiopathic scoliosis. OBJECTIVE: To determine what factors, if any, contribute to a decreased occurrence of crankshaft phenomenon in patients treated with posterior surgery only. SUMMARY OF BACKGROUND DATA: Reports have described the progression of scoliotic deformity, termed the crankshaft phenomenon, in a region of solid posterior arthrodesis in skeletally immature patients. This has led some authors to advocate the use of concomitant anterior discectomy and fusion to prevent crankshaft. METHODS: From 1989 through 1994, 18 Risser 0 patients with thoracic or thoracolumbar idiopathic scoliosis underwent Isola (De Puy-Acromed, Raynham, MA) posterior instrumentation and fusion. They were assessed for evidence of the crankshaft phenomenon, identified by coronal plane deformity progression of 10 degrees or more, or a rib vertebra angle difference of 10 degrees or more. The average age of the patients was 12.5 years (range, 10.5-15.5 years), and the average follow-up period was 39 months (range, 24-68 months). RESULTS: Eleven patients (10 girls and 1 boy) had closed triradiate cartilage at the time of surgery. Their average Cobb angle was 62 degrees before surgery, 21 degrees after surgery, and 22 degrees at follow-up assessment. No patients in this group met the criteria for crankshaft. Seven patients (6 girls and 1 boy) had open triradiate cartilage at the time of surgery. Their average Cobb angle was 62 degrees before surgery, 18 degrees after surgery, and 20 degrees at follow-up evaluation. No patient had a 10 degrees or more increase in rib vertebra angle difference. One patient had more than a 10 degrees increase in her Cobb angle (11 degrees) from postoperative to latest follow-up assessment. Her instrumentation construct, performed in 1989, used sublaminar wires as the caudal anchors. Hooks and pedicle screws are now used. Two of the seven patients with open triradiate cartilage underwent surgery during or before their peak height velocity and displayed no evidence of crankshaft. No deaths, neurologic complications, or infections occurred in either group. CONCLUSIONS: These findings suggest that scoliotic deformity progression can be prevented in skeletally immature patients with idiopathic scoliosis as young as 10 years of age with the use of stiff segmental posterior instrumentation, without the necessity of concomitant anterior arthrodesis.

Adolescent↗
PubMed2000

Indications of proximal thoracic curve fusion in thoracic adolescent idiopathic scoliosis: recognition and treatment of double thoracic curve pattern in adolescent idiopathic scoliosis treated with segmental instrumentation.

STUDY DESIGN: A retrospective study. OBJECTIVES: To determine the indications of fusing the proximal thoracic curve when treating idiopathic thoracic scoliosis with segmental instrumentation. SUMMARY OF BACKGROUND DATA: Failure to recognize a significant proximal thoracic curve often results in postoperative shoulder asymmetry due to relative overcorrection of the lower thoracic curve. With segmental instrumentation that enhances the correction of the instrumented curve, the double thoracic curve pattern that needs fusion of both the proximal and the distal thoracic curves should be redefined. METHODS: Forty patients with thoracic adolescent idiopathic scoliosis with a right lower thoracic curve of more than 40 degrees and a left proximal thoracic curve of more than 25 degrees treated by segmental pedicle screw instrumentation were analyzed after a minimum follow-up of 2 years. RESULTS: Of the 40 patients, 18 were treated by fusion of both the proximal and the distal curves, whereas 22 were treated by fusion of the distal curve only. The postoperative shoulder height difference (SHD, in millimeters) was 0.9 x preoperative SHD + 5.3 for the fusion of both curves and 0.6 x preoperative SHD + 12 for the distal curve fusion (linear regression), showing that proximal thoracic curve fusion improved the SHD when the left shoulder was level with or higher than the right. CONCLUSIONS: Idiopathic thoracic scoliosis with a proximal thoracic curve of more than 25 degrees and level or elevated left shoulder should be considered a double thoracic curve pattern and should be treated by fusing both the proximal and the distal curves when using segmental instrumentation.

Adolescent↗
PubMed1995

Prediction of progression of the curve in girls who have adolescent idiopathic scoliosis of moderate severity. Logistic regression analysis based on data from The Brace Study of the Scoliosis Research Society.

In a study conducted by the Scoliosis Research Society, 159 girls with a mean age of thirteen years (range, ten to fifteen years) who had adolescent idiopathic scoliosis were followed prospectively until skeletal maturity or until the curve had increased 6 degrees or more. All patients had had an initial curve of 25 to 35 degrees and an apical level between the eighth thoracic and first lumbar vertebrae, inclusive. Of the 159 patients, 120 were observed without treatment and thirty-nine were managed with lateral electrical surface stimulation. The curve progressed at least 6 degrees in eighty patients. There was no apparent difference in the outcome between the patients who were managed with observation only and those who were given electrical stimulation. Logistic regression analysis was performed to determine which of eleven factors were predictive of progression of the scoliotic curve. A Risser sign of 0 or 1, an apical level cephalad to the twelfth thoracic vertebra, and an imbalance of ten millimeters or less were found to be independently prognostic of progression of more than 6 degrees. A prognostic model that included these three factors and chronological age allowed correct classification of the curve as either progressive or non-progressive in 81 per cent of these patients who had a thoracic or thoracolumbar adolescent idiopathic scoliosis. The positive predictive value was 82 per cent, the negative predictive value was 80 per cent, and the sensitivity and specificity were each 81 per cent.

Adolescent↗
PubMed1990

End vertebra angle--a roentgenographic method to describe a scoliosis. A follow-up study of idiopathic scoliosis treated with the Boston brace.

A new method of measuring the range of the lateral deviation of a scoliosis is introduced. Here the Cobb angle is divided into two separate parts, consisting of the angles between each end vertebra and the horizontal plane. This angle is called the end vertebra angle. One hundred and twenty-one patients with adolescent idiopathic scoliosis, treated with Boston braces, were measured according to this technique and these angles were compared with the Cobb angles. All patients had S-shaped, right convex thoracic and left convex lumbar scolioses. Three end vertebra angles were measured and called A, B, and C. The middle end vertebra angle (B) was responsible for the improvement of the scoliosis in the brace, measured according to Cobb, and also the remaining improvement 2 years after weaning from the brace. The proximal and distal end vertebra angles (A and C), however, were unchanged or had increased at the time of the follow-up study 2 years after weaning from the brace treatment when compared with the status before the treatment. This could not be observed by using the Cobb method only. If end vertebra angles A and B are not equal, the thoracic curve is asymmetric. This asymmetry can be of two types depending on which of the two end vertebra angles is the greater one. If A is greater than B, the result of brace treatment was more successful than that of the symmetric curves.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMedDate not supplied

Radiographic evaluation of scoliosis: a reassessment and introduction of the scoliosis Chariot.

Serial evaluation of scoliosis relies on measurement of curvature on radiographs. Progression or improvement is based solely on the assumption that the radiograph gives a true picture of the configuration of the spine in the AP projection, and that patient position remains constant with serial radiographs. Slight rotation of the patient allows the kyphosis or lordosis normally present in the spine to either increase or decrease the measured scoliosis curve, depending on the direction of rotation. Reliance on technician positioning of the patient introduces a random error of such a magnitude as to make serial evaluations invalid. The use of the Scoliosis Chariot as a positioning device guarantees reproducibility of patient position, thus eliminating the problem of random error.

Humans↗
PubMed1994

[Adolescent idiopathic scoliosis among girls in the Herning region. A follow-up of girls with adolescent idiopathic scoliosis found in an earlier screening at school].

A nine year follow-up study of 76 females was carried out to investigate the spontaneous course of adolescent idiopathic scoliosis. The subjects were selected in an earlier epidemiological investigation by a screening (forward bending test and Moiré topography) of 989 girls aged 10-17 years. A prevalence of 7.7% was found (76 girls). Four scolioses progressed to treatment (0.4%). Of the rest (72 girls) forty girls (55.6%) participated fully in the follow-up investigation involving clinical examination, Moiré topography and X-ray examination. Of these 22.5% had thoracic, 37.5% had thoracolumbar and 40.0% had lumbar curve. The median size of the Cobb-angles was initially 10.1 (5-31) and at follow-up 8.5 degrees (0-30). A progression of more than four degrees was seen in 12.5%. The rest were unchanged or showed regression. None of the subjects needed treatment at any time. We found no indicators for the different spontaneous courses in untreated mild idiopathic scoliosis. Neither topography of the scoliosis, initial curve size nor age at the investigation-start showed corellation with curve behavior.

Adolescent↗
PubMed1997

Tri-calcium phosphate ceramics and allografts as bone substitutes for spinal fusion in idiopathic scoliosis as bone substitutes for spinal fusion in idiopathic scoliosis: comparative clinical results at four years.

The authors present the results of a comparative study of two series of posterolateral arthrodeses for scoliosis performed using COTREL DUBOUSSET instrumentation. Fifty-four consecutive patients underwent surgery for idiopathic scoliosis using the same technique. Thirty received a graft consisting of a mixture of corticocancellous autologous and allogenic bone frozen at -80 degrees, and 24 patients were grafted with a mixture of cortico-cancellous autologous bone and sticks of tricalcium phosphate (TCP, Biosorb, SBM, Lourdes, France). All patients were seen at three, six and twelve months, then once a year for at least four years with clinical and radiological evaluation at each visit. At the final follow up visit, no radiologic signs of pseudoarthrosis were found in either group with a minimum follow-up of 4 years. The appearance of bone callus was considered satisfactory at 6 months in all cases; moreover callus seemed to be more important in the TCP series, although this assessment was subjective. TCP resorption was total after 2 years, while allograft fragments were visible on x-rays after 2 years. Minor mechanical complications occurred but did not influence the results. Loss of correction was 8% of that initially obtained in the allograft group and 2% in the TCP group. Loss of correction did not progress after 6 months in the TCP group and after 2 years in the allograft group. Based upon this experience, the use of synthetic bone substitutes such as TCP would appear to be a valuable alternative to allografts in posterolateral spinal arthrodesis for idiopathic scoliosis, and it would eliminate the risk of viral contamination inherent to allograft implantation. To our knowledge, there have been no previous comparative studies concerning the use of tricalcium phosphate versus allograft in the literature.

Adolescent↗
PubMed1995

Effectiveness of treatment with a brace in girls who have adolescent idiopathic scoliosis. A prospective, controlled study based on data from the Brace Study of the Scoliosis Research Society.

In a prospective study by the Scoliosis Research Society, 286 girls who had adolescent idiopathic scoliosis, a thoracic or thoracolumbar curve of 25 to 35 degrees, and a mean age of twelve years and seven months (range, ten to fifteen years) were followed to determine the effect of treatment with observation only (129 patients), an underarm plastic brace (111 patients), and nighttime surface electrical stimulation (forty-six patients). Thirty-nine patients were lost to follow-up, leaving 247 (86 per cent) who were followed until maturity or who were dropped from the study because of failure of the assigned treatment. The end point of failure of treatment was defined as an increase in the curve of at least 6 degrees, from the time of the first roentgenogram, on two consecutive roentgenograms. As determined with use of this end point, treatment with a brace failed in seventeen of the 111 patients; observation only, in fifty-eight of the 129 patients; and electrical stimulation, in twenty-two of the forty-six patients. According to survivorship analysis, treatment with a brace was associated with a success rate of 74 per cent (95 per cent confidence interval, 52 to 84) at four years; observation only, with a success rate of 34 per cent (95 per cent confidence interval, 16 to 49); and electrical stimulation, with a success rate of 33 per cent (95 per cent confidence interval, 12 to 60).(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed1975

Acute neurological complications in the treatment of scoliosis. A report of the Scoliosis Research Society.

A survey conducted by the Scoliosis Research Society found eighty-seven patients with acute neurological complications resulting from the treatment of scoliosis. The incidence of these complications was determined to be 0.72 per cent. Seventy-four major complications involving the spinal cord were reported, half of them complete paraplegia and half partial paraplegia. Thirty-six per cent recovered completely, 32 per cent had partial recovery, and 32 per cent had no return of function. Thirteen minor complications involving cranial and peripheral nerves were reported. Major complications occurred in forty-two cases of posterior spine fusion with Harrington instrumentation and in twenty cases of posterior spine fusion without instrumentation. Six patients became paraplegic following skeletal traction alone.

Adolescent↗
PubMed2000

[2- and 3-dimensional correction of scoliosis by corset treatment. Optimized conservative therapy of idiopathic scoliosis with the improved Cheneau corset].

It is generally accepted that the progression of an idiopathic scoliotic deformity with a Cobb angle of between 25 degrees and 40 degrees can be stopped by brace treatment alone provided that the generally acknowledged criteria for the treatment concerning skeletal growth of the individual are respected. In Europe, the Cheneau brace, which was originally designed as an active derotation orthosis, is widely in use and is constantly being improved. The biomechanical principle of this orthosis consists of a pressure vector that is applied laterally (with regard to the 3-point principle) to exert pressure on the peak of the curvature in the frontal and transversal planes. Thus, the thoracic, lumbar and pelvic body mass that was rotated out of normal body symmetry is transferred back to its original position via pressure and derotation. Therefore, an active back like the Cheneau orthosis must provide pressure surfaces and sufficient expansion spaces. Subtle insights into the actual effect of braces have furthered ongoing development to take into consideration the changes to the trunk in the sagittal plain and have respected the different states of expansion of the two halves of the trunk in the craniocaudal direction. The thoracic flat back and cyphosis of the lumbal spine, which were formerly ignored, actually provide a real challenge for the technical realization of the brace. The new generation of Cheneau braces potentially provides an effective means for the active correction of scoliotic spinal deformity in all three dimensions and thus fulfills the requirements of modern conservative scoliosis treatment.

Adolescent↗