Relationships among hip instability, iliofemoral ligament, and pain in patients with developmental dysplasia of the hip

To evaluate the relationships among hip instability, pain, and morphology of the iliofemoral ligament (ILFL) in patients with developmental dysplasia of the hip (DDH) using ultrasonography (US). We reviewed 86 patients (109 hips) with DDH (Group D), 40 patients (46 hips) with borderline hip dysplasi...

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Bibliographic Details
Published in:Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association 2024-05, Vol.29 (3), p.835-840
Main Authors: Fujiwara, Yusuke, Shoji, Takeshi, Ota, Yuki, Saka, Hideki, Inoue, Tadashi, Kato, Yuichi, Sumii, Junichi, Yasunaga, Yuji, Adachi, Nobuo
Format: Article
Language:English
Subjects:
Adolescent
Adult
Borderline hip dysplasia
Case-Control Studies
Child
Developmental Dysplasia of the Hip - complications
Developmental Dysplasia of the Hip - diagnostic imaging
Developmental dysplasia of the hip ultrasonography
Female
Hip instability hip pain
Hip Joint - diagnostic imaging
Humans
Iliofemoral ligament
Ilium - diagnostic imaging
Joint Instability - diagnostic imaging
Joint Instability - etiology
Ligaments, Articular - diagnostic imaging
Male
Middle Aged
Pain Measurement
Retrospective Studies
Ultrasonography
Young Adult
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Summary:To evaluate the relationships among hip instability, pain, and morphology of the iliofemoral ligament (ILFL) in patients with developmental dysplasia of the hip (DDH) using ultrasonography (US). We reviewed 86 patients (109 hips) with DDH (Group D), 40 patients (46 hips) with borderline hip dysplasia (BDDH) (Group B) and 20 patients (23 hips) without hip pain and bony abnormality (control group). Group D was classified into three subgroups—the severe (group SP), moderate (group MP), and none/mild (group NMP) hip pain groups—using the visual analogue scale (VAS). For evaluating hip instability and ILFL morphology, the distance between the anterior edge of the anterior inferior iliac spine (AIIS) and the horizontal line to the femoral head, and ILFL thickness were measured using US. The difference between the distance in the neutral position and Patrick position was calculated and defined as the femoral head translation distance (FTD). FTD and ILFL thickness in group D were significantly larger than those in the control group and group B (P 
ISSN:0949-2658
1436-2023
DOI:10.1016/j.jos.2023.03.001