Semiautomatic classification of acetabular shape from three-dimensional ultrasound for diagnosis of infant hip dysplasia using geometric features

Hareendranathan, Abhilash Rakkunedeth; Zonoobi, Dornoosh; Mabee, Myles; Diederichs, Chad; Punithakumar, Kumaradevan; Noga, Michelle; Jaremko, Jacob L.

doi:10.1007/s11548-016-1510-4

Cited by 11 publications

(5 citation statements)

References 27 publications

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“…Experts have been trying to develop new indicators, such as the 3D acetabular contact angle, contour α angle, and rounding index, for the accurate diagnosis of DDH 16,17 . Some researchers have also used 3D US to classify the shape of the acetabulum semiautomatically and used geometric features to diagnose DDH 18 . All of these factors promote the continuous development and application of 3D US.…”

Section: Discussionmentioning

confidence: 99%

“…16,17 Some researchers have also used 3D US to classify the shape of the acetabulum semiautomatically and used geometric features to diagnose DDH. 18 All of these section by selecting the largest cross-section of the femoral head, which is relatively easy to find. It has been shown that the obtained measurement results are in good agreement with those of the Graf classification technique for the standard section.…”

Section: Discussionmentioning

confidence: 99%

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Study on multiplanar measurements of infant hips with three‐dimensional ultrasonography

Cui

Chen

et al. 2022

J of Clinical Ultrasound

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Purpose An automatic evaluation technology based on artificial intelligence and three‐dimensional ultrasonography (3D US) is proposed for hip US inspection plane selection. This study aimed to evaluate the consistency of the α angle as measured using 3D US to select the section plane and two‐dimensional ultrasonography (2D US) to manually select the Graf image, as well as to explore the feasibility of diagnosing developmental dysplasia of the hip (DDH) using 3D US and reconstruction technology. Methods A total of 216 infant hips were included and assessed by doctors using 3D US layer‐by‐layer. The researchers used a computer to identify the coronal images that met the Graf standard and then compared the αX values obtained with the αG values measured artificially by 2D US. Results Compared with 2D US, 3D US more clearly showed the relative positions of the ilium, ischia, and pubis. The measured α value of the optimal section obtained by 3D US showed good agreement with the measured α value of the standard Graf section. Conclusion The artificial intelligence and 3D US‐based automatic evaluation technology for section selection and inspection for DDH showed good agreement with the Graf method based on standard sections.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Study on multiplanar measurements of infant hips with three‐dimensional ultrasonography

Cui

Chen

et al. 2022

J of Clinical Ultrasound

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“…ACA is measured as the angle between the summed point normals for the iliac wing surface and acetabular roof surface. 14 , 16 , 17 Mabee et al 16 reported significantly higher reliability and slightly higher diagnostic accuracy of ACA when compared to the conventional α angle. Apart from angularity, roundness of the acetabulum is considered during hip examination in most centres.…”

Section: Introductionmentioning

confidence: 99%

“…13 Various 2D and 3D indices of α angle, FHC, acetabular contact angle (ACA) and osculating circle radius (OCR), have been developed to aid interpretation of 3DUS (Figure 1). 1516,17 2D α angle and FHC indices were calculated semiautomatically from acetabular surface model in a similar manner to the Graf method and Morin and Harcke method, respectively. 11,1818 Their 3D versions extend these indices to slices with acetabulum in the 3DUS volume and report their average values.…”

Section: Introductionmentioning

confidence: 99%

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Normal variation of infant hip development

et al. 2022

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Aims Studies of infant hip development to date have been limited by considering only the changes in appearance of a single ultrasound slice (Graf’s standard plane). We used 3D ultrasound (3DUS) to establish maturation curves of normal infant hip development, quantifying variation by age, sex, side, and anteroposterior location in the hip. Methods We analyzed 3DUS scans of 519 infants (mean age 64 days (6 to 111 days)) presenting at a tertiary children’s hospital for suspicion of developmental dysplasia of the hip (DDH). Hips that did not require ultrasound follow-up or treatment were classified as ‘typically developing’. We calculated traditional DDH indices like α angle (αSP), femoral head coverage (FHCSP), and several novel indices from 3DUS like the acetabular contact angle (ACA) and osculating circle radius (OCR) using custom software. Results α angle, FHC, and ACA indices increased and OCR decreased significantly by age in the first four months, mean αSP rose from 62.2° (SD 5.7°) to 67.3° (SD 5.2°) (p < 0.001) in one- to eight- and nine- to 16-week-old infants, respectively. Mean αSP and mean FHCSP were significantly, but only slightly, lower in females than in males. There was no statistically significant difference in DDH indices observed between left and right hip. All 3DUS indices varied significantly between anterior and posterior section of the hip. Mean 3D indices of α angle and FHC were significantly lower anteriorly than posteriorly: αAnt = 58.2° (SD 6.1°), αPost = 63.8° (SD 6.3°) (p < 0.001), FHCAnt = 43.0 (SD 7.4), and FHCPost = 55.4° (SD 11.2°) (p < 0.001). Acetabular rounding measured byOCR indices was significantly greater in the anterior section of the hip (p < 0.001). Conclusion We used 3DUS to show that hip shape and normal growth pattern vary significantly between anterior and posterior regions, by magnitudes similar to age-related changes. This highlights the need for careful selection of the Graf plane during 2D ultrasound examination. Whole-joint evaluation by obtaining either 3DUS or manual ‘sweep’ video images provides more comprehensive DDH assessment. Cite this article: Bone Jt Open 2022;3(11):913–923.

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Advances in Pediatric Musculoskeletal Ultrasonography

Bruns

2019

Pediatric Musculoskeletal Ultrasonography

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Semiautomatic classification of acetabular shape from three-dimensional ultrasound for diagnosis of infant hip dysplasia using geometric features

Abstract: The proposed technique reduces the subjectivity of image-aided DDH diagnosis and could be useful in clinical practice.

Cited by 11 publications

References 27 publications

Study on multiplanar measurements of infant hips with three‐dimensional ultrasonography

Study on multiplanar measurements of infant hips with three‐dimensional ultrasonography

Normal variation of infant hip development

Advances in Pediatric Musculoskeletal Ultrasonography

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