Predictive Value for Femoral Head Sphericity From Early Radiographic Signs in Surgery for Developmental Dysplasia of the Hip

Chang, Chia‐Hsieh; Yang, Wen-E; Kao, Hsuan-Kai; Shih, Chun–Hsiung; Kuo, Ken N.

doi:10.1097/bpo.0b013e31820fc895

Cited by 4 publications

(2 citation statements)

References 10 publications

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“…When the shape of the femoral head is not spherical, concentric reduction is impossible ( 33 ). The less circular the shape of the femoral head, the worse the treatment effect ( 34 , 35 ). The shape of the femoral head is not only related to age but also to the growth environment around the femoral head growth plate.…”

Section: Discussionmentioning

confidence: 99%

“…The shape of the femoral head is not only related to age but also to the growth environment around the femoral head growth plate. When the femoral head growth plate is in an unfavorable stimulation environment or there is a lesion, it can cause changes in the shape of the femoral head ( 35 – 38 ). This is also the principle of conservative treatment for DDH in infancy ( 39 ).…”

Section: Discussionmentioning

confidence: 99%

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Effect of hip dysplasia on the development of the femoral head growth plate

Ren,

Zhang,

et al. 2023

Front. Pediatr.

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PurposeThe purpose of this study was to observe whether developmental dysplasia of the hip (DDH) affects the development of the femoral head growth plate and to analyze the risk factors.MethodsWe selected female patients aged between 11 and 20 years with unilateral DDH and unclosed femoral head growth plate (s). The selected patients underwent anteroposterior radiography of the hip joint to compare the degree of development of the femoral head growth plate on both sides and to identify risk factors that affect the development of the growth plate in the femoral head.ResultsWe included 48 female patients with unilateral DDH, with an average age of 14 years (range: 11.1–18.5 years) and an average BMI of 20.4 kg/m² (range: 15.5 kg/m²−27.9 kg/m²). Among them, 23 patients had earlier development of the femoral head growth plate on the affected side than on the healthy side, while the degree of development of the femoral head growth plate in 25 patients was the same as that on the contralateral side. When the Tönnis angle was greater than 29.5°C and/or the Reimers migration index was greater than 48.5%, there was a statistically significant difference in the acceleration of femoral head growth plate development.ConclusionAn abnormal relative position of the acetabulum–femoral head caused by DDH can accelerate closure of the femoral head growth plate in immature female patients. The risk factors are a Tönnis angle greater than 29.5°C and/or Reimers migration index greater than 48.5%.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Effect of hip dysplasia on the development of the femoral head growth plate

Ren,

Zhang,

et al. 2023

Front. Pediatr.

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Congenital and Developmental Anomalies of the Hip and Pelvis

Kelly¹

2013

Campbell's Operative Orthopaedics

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Predictive values for the severity of avascular necrosis from the initial evaluation in closed reduction of developmental dysplasia of the hip

Xu¹,

Gao²,

Sun

et al. 2013

Journal of Pediatric Orthopaedics B

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The severity of avascular necrosis (AVN) after closed reduction of developmental dysplasia of the hip determines the final clinical outcomes. Our study aimed to correlate the possible predictors with the severity of AVN. After follow-up of the patients on skeletal maturity, 37 patients (39 hips) were included. Age at reduction is important to predict the severity of AVN. Older patients are at a greater risk of suffering from more severe AVN. Other values such as the degree of initial dislocation or the impact of the femoral head ossific nucleus show no precognition to the severity of AVN.

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Predictive Value for Femoral Head Sphericity From Early Radiographic Signs in Surgery for Developmental Dysplasia of the Hip

Abstract: Diagnostic level 3.

Cited by 4 publications

References 10 publications

Effect of hip dysplasia on the development of the femoral head growth plate

Effect of hip dysplasia on the development of the femoral head growth plate

Congenital and Developmental Anomalies of the Hip and Pelvis

Predictive values for the severity of avascular necrosis from the initial evaluation in closed reduction of developmental dysplasia of the hip

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