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[Early diagnosis of congenital hip dislocation in neonates]
1Ortopedické oddĕlení nemocnice s poliklinikou, Trinec.
Insights
Increased adductor tension is a common finding in newborns, similar to hip joint instability. Early clinical detection of these symptoms, alongside hip instability, can improve screening and reduce undiagnosed hip defects.
Area of Science:
- Orthopedics
- Neonatal care
- Developmental pediatrics
Context:
- Hip joint instability is a common concern in newborns.
- Breech presentation is associated with specific neonatal physical findings.
- Accurate diagnosis of hip joint abnormalities is crucial for early intervention.
Purpose:
- To evaluate the frequency and significance of increased adductor tension as a neonatal hip joint symptom.
- To correlate clinical findings with pathological anatomical classifications.
- To improve the diagnostic accuracy of neonatal hip joint screening.
Summary:
- Analysis of 1000 newborn hip examinations reveals increased adductor tension (4.7%) occurs with similar frequency to hip joint instability (6.5%).
- Increased adductor tension, particularly in breech presentations (94.2%), is often accompanied by reduced abduction and less palpable femoral heads.
- Hyperextensibility of the knee (82.7%) is also linked to breech presentation and hormonal joint laxity.
- Combined clinical assessment of hip instability and adductor tension symptoms enhances screening quality, reducing undiagnosed hip defects by 3 months of age.
Impact:
- Highlights the importance of recognizing increased adductor tension as a key neonatal hip symptom.
- Suggests combined clinical examination improves early detection rates for hip joint abnormalities.
- Advocates for purposeful sonographic screening alongside thorough clinical evaluation for optimal newborn hip assessment.
Abstract:
On the basis of the analysis of the examination of hip joints in 1000 newborns the author supports his former statement that of almost the same frequency as the acknowledged symptomatology of unstable hip joint (in 6.5 per cent) is the pathological symptomatic group of increased tension of tendons of the origin of adductors (in 4.7 per cent), sometimes also with reduced abduction, less palpable head of the hip joint and the symptoms presented by him can improve the quality of screen position case of breech presentation. This was found in 5.2 per cent of deliveries. The combination of both symptomatic groups occurs in 1.4 per cent. Out of individual symptoms in the breech presentation of highest frequency--according to the author--is the increased tension of the origin of adductors (in 94.2 per cent), be it isolated form of incidence (in 25 per cent) or in combination with other symptoms. In the examination technique he includes also the symptom of the hyperextensibility of the knee and relates its frequency (82.7 per cent) with the breech presentation and with the increased joint laxicity conditioned hormonally. After the analysis of mechanical effects in the foetal stage of pregnancy he attempts to correlate clinical neonatal symptomatology with the pathological anatomical classification after Ogden. He arrives at the conclusion that only combined identification of symptoms of both the instability of the hip joint and the symptoms presented by him can improve the quality of screening and thus reduce the incidence of unidentified defect of the hip joint in 3rd month of age of the child. Further progress can be made only after the introduction of a purposeful sonographic screening of the newborn and infant hip joints. The author, however, considers for irreplaceable the method of a careful clinical examination of newborns.