Dose, image quality and spine modeling assessment of biplanar EOS micro-dose radiographs for the follow-up of in-brace adolescent idiopathic scoliosis patients

Morel, Baptiste; Moueddeb, Sonia; Blondiaux, Éléonore; Richard, S.M.; Bachy, Manon; Vialle, Raphaël; Pointe, Hubert Ducou Le

doi:10.1007/s00586-018-5464-9

Cited by 20 publications

(13 citation statements)

References 23 publications

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“…EOS should be used in any center that performs a significant number of spinal examinations in children because radiologic monitoring of scoliosis increases the risk of breast cancer, thyroid cancer, and infertility. [44][45][46] To eliminate the influence of the position of the upper extremities on the sagittal statics of the spine, the arms should be stretched out parallel to the ground, with the wrists held in a support so they do not carry the weight. The degree of flexibility and correction of curvature is assessed by lateral bending.…”

Section: Eosmentioning

confidence: 99%

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Preoperative and Postoperative Imaging in Idiopathic Scoliosis: What the Surgeon Wants to Know

Guglielmi

Chio

Maalu

et al. 2021

Semin Musculoskelet Radiol

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The term idiopathic scoliosis covers a broad spectrum of spinal deformities in the pediatric population without an underlying congenital anomaly of the spine. Depending on the age of presentation, it has both characteristic clinical and imaging features and a different prognosis. The radiologist should provide the surgeon with critical information to assess the degree of deformity and eventually plan surgery. Thoracic deformities and lung volume must also be part of the preoperative assessment. Imaging has a critical role in postsurgical follow-up and in surgical complications. This review highlights the importance of common terminology and measurement methods to avoid incongruences. The different imaging modalities are discussed with their indications and limitations. We pay special attention to imaging modalities that can help the surgeon assess skeletal maturation reliably and thus predict the prognosis of scoliosis. Radiation protection and the risk of cumulative radiation exposure in these patients is emphasized.

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Section: Eosmentioning

confidence: 99%

“…Because EOS is conceived to evaluate the static and to measure with a low radiation burden, subtle bone abnormalities suspected on EOS are better characterized by using targeted standard radiographs. 44…”

Section: Eosmentioning

confidence: 99%

Preoperative and Postoperative Imaging in Idiopathic Scoliosis: What the Surgeon Wants to Know

Guglielmi

Chio

Maalu

et al. 2021

Semin Musculoskelet Radiol

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“…This system provides reliable 2D images of the spine and is validated for clinical practice in orthopedics [ 7 , 8 ]. For example, BPXR is used to follow up patients with idiopathic scoliosis treated with the in-brace method [ 9 ]. In patients with scoliosis, numerous X-ray images are taken to follow the patient’s growth or the impact of the treatment on the spine alignment [ 10 , 11 , 12 ].…”

Section: Introductionmentioning

confidence: 99%

Biplanar Low-Dose Radiograph Is Suitable for Cephalometric Analysis in Patients Requiring 3D Evaluation of the Whole Skeleton

Kerbrat

Rivals

Dupuy

et al. 2021

JCM

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Background: The biplanar 2D/3D X-ray technology (BPXR) is a 2D/3D imaging system allowing simultaneous stereo-corresponding posteroanterior (PA) and lateral 2D views of the whole body. The aim of our study was to assess the feasibility of cephalometric analysis based on the BPXR lateral skull view to accurately characterize facial morphology. Method: A total of 17 landmarks and 11 angles were placed and/or calculated on lateral BPXR and lateral cephalograms of 13 patients by three investigators. Five methods of angle identification were performed: the direct construction of straight lines on lateral cephalograms (LC-A) and on BPXR (BPXR-A), as well as the calculation of angles based on landmark identification on lateral cephalograms (LA-L) and on BPXR with the PA image (BPXR-LPA) or without (BPXR-L). Intra- and interoperator reliability of landmark identification and angle measurement of each method were calculated. To determine the most reliable method among the BPXR-based methods, their concordance with the reference method, LC-A, was evaluated. Results: Both imaging techniques had excellent intra- and interoperator reliability for landmark identification. On lateral BPXR, BPXR-A presented the best concordance with the reference method and a good intra- and interoperator reliability. Conclusion: BPXR provides a lateral view of the skull suitable for cephalometric analysis with good reliability.

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“…Previous work has shown that the EOS System has a strong potential for dose saving in patient studies compared to conventional digital radiography imaging, which can be even further reduced in its microdose function. 2,3 The unique technical characteristics and functionality of the system allow for significant dose reduction, which is an important consideration in particular for paediatric orthopaedic examinations which may require frequent follow-ups. 4,5,6 The purpose of the work presented in this article is to demonstrate the methodology adopted by our team to perform the technical evaluation and commissioning for clinical use of the EOS System, and to present baseline values that can be applied as performance acceptability criteria.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Technical evaluation of a clinical, bi‐planar, digital and upright X‐ray imaging unit

Kelly

Delakis

2021

J of Medical Radiation Sci

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We describe the technical evaluation of the commercially available, clinical, biplanar, low dose, digital X-ray system (EOS System, EOS imaging, France). The unit is used for upright, weight-bearing musculoskeletal pathologies, in particular, in the spine and lower limbs. The evaluation incorporated tests on the X-ray generator performance, radiation/imaging field alignment, dose area product accuracy and image quality. The assessment methodology was based on objective parameters and required equipment readily available for technical evaluation of other radiological equipment. Results demonstrated that the system performs well within acceptable performance criteria with regard to X-ray generator performance, radiation/imaging field alignment and dose area product accuracy. In addition, results from the image-quality assessment were aligned with previously published work. The work presented in this article can be used for the technical evaluation of the EOS System at other clinical sites.

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Dose, image quality and spine modeling assessment of biplanar EOS micro-dose radiographs for the follow-up of in-brace adolescent idiopathic scoliosis patients

Cited by 20 publications

References 23 publications

Preoperative and Postoperative Imaging in Idiopathic Scoliosis: What the Surgeon Wants to Know

Preoperative and Postoperative Imaging in Idiopathic Scoliosis: What the Surgeon Wants to Know

Biplanar Low-Dose Radiograph Is Suitable for Cephalometric Analysis in Patients Requiring 3D Evaluation of the Whole Skeleton

Technical evaluation of a clinical, bi‐planar, digital and upright X‐ray imaging unit

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