Acetabular index values in healthy Turkish children between 6 months and 8 years of age: a cross-sectional radiological study

Akel, İbrahim

doi:10.3944/aott.2013.2832

Cited by 19 publications

(19 citation statements)

References 5 publications

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“…We used the average acetabular index 22degree, which ranged from 15-25 degrees as a baseline comparative indicator, as was assessed in the normal side of our 38 unilateral DDH. That range of the acetabular index is within the AI range cited by Ibrahim et al [17].…”

Section: Femalesupporting

confidence: 84%

“…Since our patients were of both age ranges, thus we have used both these parameters in this study as the parameter for radiological assessment ( Table 5). Ibrahim et al in their study on Turkish children have referred to the mean acetabular index of males in the age group of one and eight years as ranging from 21.0 degrees to 13.8 degrees, with the lowest limit mean from 23.6 to 14.2 degrees [17]. Whereas in females, the mean acetabular index is in the same age group, ranging from 23.6 degrees to 14.2 degrees and the lowest is 33 degrees to 23 degrees.…”

Section: Discussionmentioning

confidence: 99%

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A Comparative Study of Salter Versus Pemberton Osteotomy in Open Reduction of Developmental Dysplastic Hips and Clinical Evaluation on Bhatti’s Functional Score System

Bhatti

Abbasi

Naeem

et al. 2021

Cureus

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Section: Femalesupporting

confidence: 84%

Section: Discussionmentioning

confidence: 99%

A Comparative Study of Salter Versus Pemberton Osteotomy in Open Reduction of Developmental Dysplastic Hips and Clinical Evaluation on Bhatti’s Functional Score System

Bhatti

Abbasi

Naeem

et al. 2021

Cureus

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“…The variance of AI measurement and pelvic orientation is greater in younger children who are incapable of cooperation during the examination. The reliability and reproducibility of AI measurements have been questioned over many decades [10][11][12]. If an accurate AI measurement could be made from a non-standard pelvic radiograph, this would be a significant gain in the utility of the measurement [13,14].…”

Section: Introductionmentioning

confidence: 99%

How to judge pelvic malposition when assessing acetabular index in children? Three simple parameters can determine acceptability

et al. 2020

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Background: The acetabular index (AI) is the most commonly used parameter for diagnosing hip dysplasia. Pelvic malposition can result in misinterpretation of AI measurement especially in younger children. We aimed to investigate the correlation between pelvic orientation and acetabular index (AI) by using digital reconstructed radiographs (DRRs) and identify reliable parameters predictive of pelvic orientation on plain radiographs. Methods: We retrospectively identified 33 children (52 hips) who received dual source CT examinations. Virtual pelvic models were reconstructed after scanning. After orientating in the standard neutral position, the models were rotated and tilted around corresponding axes. DRRs were generated at every 3°during the process. The acetabular index, the horizontal diameter (Dh) and vertical diameter (Dv) of bilateral obturator foramina, the vertical distance (h) between upper border of pubic symphysis, and Hilgenreiner's line were measured on each DRR by two independent observers. Rotation index (Rr = right Dh/left Dh), tilt index (Rt = h/Dv), intra-observer error, and interobserver error of AI were calculated. Results: For tilt and rotation up to 12.0°, AI increased with anterior tilt and decreased with posterior tilt. And for rotation, it increased on the side toward which the pelvis rotated and decreased on the opposite side. AI varied dramatically if angulation exceeded 6.0°. Malposition below this limit demonstrated the intra-and inter-observer errors were ± 2.0°and ± 3.0°respectively and caused no significant effect on AI measurement. Conclusions: For children up to age 6 years, an acceptable pelvic plain radiograph can be determined when Rt is approximately between 0.9 and 1.4 and Rr between 0.7 and 1.5. For the first time, we have identified parameters derived from a group of subjects which can predict this degree of malposition. The parameters obturator diameters (Dh), obturator height (Dv), and distance (h) between symphysis and Hilgengreiner's line can be feasibly measured on X-ray and employed in clinical practice to assess the acceptability of the pediatric pelvic radiograph prior to measurement of the AI.

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“…conducted on 2788 children aged between 6 months and 8 years. 23 In another study, the AI of 1162 patients from Eskişehir region (aged between 5 and 75 years) were measured and was found to be 39.2°±4.6°. 24 In the present study, we found a mean of 37.58°±5.30° in the right hip and 37.80°±4.82° in the left hip.…”

Section: Discussionmentioning

confidence: 96%

Adult acetabulo – pelvic parameters in Turkish society: A descriptive radiological study

Aydın

Kırçıl

Polat

et al. 2016

Acta Orthopaedica et Traumatologica Turcica

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ObjectiveThe aim of this study was to measure the prevalences of the acetabular index, collodiaphyseal angle, CE angle, articulo-trochanteric distance, cross-over sign and posterior wall sign in healthy Turkish people, in order to shed light on the production of orthopedic medical products.MethodsIn this study, both hips (a total of 3960 hips) of 1980 individuals (1178 males, 802 females) from nine different cities between the ages of 18 and 65 years were measured and statistically analyzed.ResultsThe right articulo-trochanteric distance of all participants was 19.67 ± 4.52 mm and the left articulo-trochanteric distance was 19.10 ± 4.58 mm. The CE angle was 35.11°±7.41° in the right hip and 35.37°±6.76° in the left hip. The acetabular index was 37.58°±5.30° in the right hip and 37.80°±4.82° in the left hip. The collodiaphyseal angle was 138.60°±8.27° in the right and 137.84°±8.01° in the left hip. The prevalence of cross-over sign in the right hip was 6.46% and 6.66% for the left hip. The prevalence of posterior wall sign was 4.24% for the right hip and 4.19% for the left hip.ConclusionThis study has provided prevalence values of cross-over sign, posterior wall sign, acetabular index, collodiaphyseal angle, CE angle and articulo-trochanteric distances of a healthy Turkish population between the ages of 18 and 65 years.

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Acetabular index values in healthy Turkish children between 6 months and 8 years of age: a cross-sectional radiological study

Abstract: The study defines the normal acetabular index values in healthy Turkish children between 6 months and 8 years of age and the expected acetabular index values for mild and severe dysplasia.

Cited by 19 publications

References 5 publications

A Comparative Study of Salter Versus Pemberton Osteotomy in Open Reduction of Developmental Dysplastic Hips and Clinical Evaluation on Bhatti’s Functional Score System

A Comparative Study of Salter Versus Pemberton Osteotomy in Open Reduction of Developmental Dysplastic Hips and Clinical Evaluation on Bhatti’s Functional Score System

How to judge pelvic malposition when assessing acetabular index in children? Three simple parameters can determine acceptability

Adult acetabulo – pelvic parameters in Turkish society: A descriptive radiological study

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