Does anterior shoulder balance in adolescent idiopathic scoliosis correlate with posterior shoulder balance clinically and radiographically?

Yang, Scott; Feuchtbaum, Eric; Werner, Brian C.; Cho, Woojin; Reddi, Vasantha; Arlet, Vincent

doi:10.1007/s00586-012-2434-5

Cited by 27 publications

(15 citation statements)

References 12 publications

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“…Moreover, if we compare the scores of the SAQ item 6 between the two groups (Table 3a), it is evident that 40 % of ''balanced'' patients rated themselves as clearly imbalanced (SAQ item 6 [ 2). Using a higher threshold to Discrepancies between clinical and radiological ShB had been previously reported [6,27], while a discrepancy between clinical and perceived ShB has not been previously analyzed. Surgical strategies to control/correct left shoulder imbalance recommend to include upper thoracic curve in the fusion.…”

Section: Discussionmentioning

confidence: 95%

Does patient perception of shoulder balance correlate with clinical balance?

Matamalas

Bagó

D’Agata³

et al. 2015

Eur Spine J

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Section: Discussionmentioning

confidence: 95%

Does patient perception of shoulder balance correlate with clinical balance?

Matamalas

Bagó

D’Agata³

et al. 2015

Eur Spine J

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“…However, we found the only reproducible methods to be T1 tilt, RSH, and clavicle angle. Several components of asymmetry have been discussed, both posterior-anterior [31] and medial-lateral [22], and RSH is most likely a reflection of both the anterior and medial components of overall balance. Medial balance has been shown to have a greater correlation with clinical balance [22].…”

Section: Discussionmentioning

confidence: 99%

Do Current Recommendations for Upper Instrumented Vertebra Predict Shoulder Imbalance? An Attempted Validation of Level Selection for Adolescent Idiopathic Scoliosis

et al. 2015

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Background: Shoulder balance for adolescent idiopathic scoliosis (AIS) patients is associated with patient satisfaction and self-image. However, few validated systems exist for selecting the upper instrumented vertebra (UIV) post-surgical shoulder balance. Questions/Purposes: The purpose is to examine the existing UIV selection criteria and correlate with post-surgical shoulder balance in AIS patients. Methods: Patients who underwent spinal fusion at age 10-18 years for AIS over a 6-year period were reviewed. All patients with a minimum of 1-year radiographic followup were included. Imbalance was determined to be radiographic shoulder height |RSH|≥15 mm at latest follow-up.

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“…Qiu XS et al 18 have found that clavicle-rib The EGYPTIAN SPINE Journal intersection distance had the highest correlation coefficient on correlation between cosmetic parameters and radiological parameters related to shoulder balance. Clavicle-rib intersection angle was also described in the literature by Yang et al 25 as an angle rather than a distance and they have found a statistically significant correlation between clavicle rib intersection angle and clinical shoulder balance. Our results were consistent with Bago et al 3 , Qiu XS et al 18 , and Yang et al 25 , as we have found a statistically significant correlation between clavicle rib intersection angle and clinical shoulder balance (r=0.567, P=0.009) (Case Illustration Figure 11 A-G).…”

Section: A B C D E F Gmentioning

confidence: 77%

“…By convention, when the right shoulder is elevated, it received positive values and left shoulder elevation received negative values; also, this was applied to all other radiological parameters except percentage of proximal thoracic curve correction. Clinical shoulder balance was defined as the angle from one acromion to the other as referenced from the horizontal line 25 (Figure 1). T1 tilt was defined as the angle between a line parallel to the upper end plate of T1 and the horizontal line 24 (Figure 2).…”

Section: Methodsmentioning

confidence: 99%

“…UIV tilt was defined as the angle between a line parallel to the upper end plate of the upper instrumented vertebra and the horizontal line 12 ( Figure 3). Clavicle rib intersection angle was The EGYPTIAN SPINE Journal defined as the angle between 2 lines: the first line is drawn between the intersection points of the superior border of the clavicle and the first ribs on each side and the second line is the horizontal 25 ( Figure 4). Cobb method was used to measure major structural and proximal thoracic curves ( Figure 5).…”

Section: Methodsmentioning

confidence: 99%

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Shoulder Balance and Scoliosis: The Unresolved Issue

Sorour

Elbanna

Samy

2019

Egyptian Spine Journal

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Background Data: The main indication of surgery in patients with AIS is better function and cosmesis. Shoulder balance should be considered amongst cosmetic parameters that are strongly associated with patient satisfaction after surgery in patients with AIS. Proper correction of the main and proximal thoracic curves in conjunction with horizontalization of upper instrumented vertebra (UIV) is supposed to promote shoulder balance. In other words, better correction of radiological parameters should promote clinical shoulder balance; however, this is not always observed. Purpose: Determining which of the following radiological measures correlate significantly with postoperative clinical shoulder balance: T1 tilt, UIV tilt, clavicle rib intersection angle, and degree of proximal thoracic curve correction. Study Design: Retrospective clinical case cohort study. Patients and Methods: The study included 20 patients of AIS operated for correction by pedicle screw instrumentation. There were 13 females and 7 males. The mean age at the time of surgery was 14±2.4 years with a range from 11 to 18 years. Mean preoperative Cobb angle of the major curve was 76.1±21.7° corrected to a mean postoperative Cobb 28.2±14.2°. Correction percentage of the major curve was 63.1±14.2%. The data obtained from high resolution back view photographs (to assess clinical shoulder balance) and whole spine X-ray films taken within the first year of follow-up period (to assess radiological measures related to shoulder balance) were retrospectively evaluated. Outcome measures: clinical shoulder balance was correlated with 4 radiological parameters, namely, proximal thoracic curve correction percentage, T1 tilt, UIV tilt, and clavicle-rib intersection angle. Measurements were done by Surgimap software version 2.2.12 (Nemaris, Inc.,US, https://www.surgimap.com). Results: A weak positive correlation was found between postoperative shoulder balance and UIV tilt (r)=0.242, P=0.305, and a very weak negative correlation was found between postoperative shoulder balance and proximal thoracic curve correction percentage (r)=-0.027, P=0.910. A moderate positive correlation but statistically nonsignificant was found between postoperative shoulder balance and T1 tilt (r)=0.440, P=0.052, and a statistically significant positive correlation was found between shoulder balance and clavicle rib intersection angle (r)=0.567, P=0.009.

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Does anterior shoulder balance in adolescent idiopathic scoliosis correlate with posterior shoulder balance clinically and radiographically?

Cited by 27 publications

References 12 publications

Does patient perception of shoulder balance correlate with clinical balance?

Does patient perception of shoulder balance correlate with clinical balance?

Do Current Recommendations for Upper Instrumented Vertebra Predict Shoulder Imbalance? An Attempted Validation of Level Selection for Adolescent Idiopathic Scoliosis

Shoulder Balance and Scoliosis: The Unresolved Issue

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