Related Experiment Video
Updated: Aug 14, 2026
In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
Published on: July 2, 2021
[Validity of diagnostic methods in detection of congenital hip luxation in primary care]
F J Sánchez Ruiz-Cabello1, J M García Aparicio, J A Bellón Saameño
1Centro de Salud Zaidín-Sur, Granada.
Insights
Clinical diagnosis of Congenital Hip Luxation (CHL) shows low sensitivity. Early diagnosis of CHL requires systematic imaging, such as X-rays, to reduce missed cases in infants.
Area of Science:
- Pediatrics
- Orthopedics
- Diagnostic Imaging
Background:
- Congenital Hip Luxation (CHL) is a condition requiring early diagnosis for effective treatment.
- Primary care settings play a crucial role in the initial screening of infants for CHL.
- Assessing the accuracy of diagnostic methods in primary care is essential for timely intervention.
Purpose of the Study:
- To evaluate the diagnostic validity of clinical and radiological methods for early Congenital Hip Luxation (CHL) detection in primary care.
- To determine the sensitivity, specificity, and predictive values of the Ortolani-Barlow maneuver in diagnosing CHL.
- To assess the impact of systematic radiological screening on CHL diagnosis rates.
Main Methods:
- Prospective observational study conducted in a primary care setting.
- Inclusion of 352 newborns and infants followed for an average of 22.4 months.
- Utilized clinical examination (Ortolani-Barlow) and radiological imaging for CHL assessment.
Main Results:
- The prevalence of suspected CHL was 19%, with a confirmed CHL prevalence of 4.2%.
- The Ortolani-Barlow maneuver demonstrated a sensitivity of 46.7% and specificity of 85.2%, with a high false-negative rate (53.3%).
- Combining clinical signs improved sensitivity to 73.3%, but systematic X-rays identified cases missed by clinical examination alone, preventing a 1.14% diagnostic miss rate.
Conclusions:
- Clinical diagnosis of CHL in primary care has limitations due to low sensitivity and high false-negative rates.
- Systematic diagnostic imaging, specifically X-rays at 3-5 months, is recommended for reliable early CHL detection.
- Reliance solely on clinical examination risks missing a significant number of CHL cases, underscoring the need for imaging.
Objective:
To find the validity of the clinical and radiological methods used within Primary Care in the early diagnosis of Congenital Hip Luxation (CHL).
Design:
A prospective observation study.
Setting:
Zaidín-Sur Basic Health Area (HA), Granada. An urban Health Centre.
Patients:
All new-born and nursing babies born in our HA between October 1991 and March 1993 (N = 352), followed and studied over an average period of 22.4 months (SD = 5.6) (Range, 12 to 30 months).
Results:
The prevalence of clinically and/or radiologically-based suspected CHL was 19% (Cl 95%; 12.7-25.3%) and the prevalence of confirmed CHL was 4.2% (Cl 95%; 1.96-6.44%). Ortolani-Barlow sensitivity (O-B) was 46.7%, specificity 85.2%; positive predictive value 12.3%, negative predictive value 97.6%, false positives 14.8% and false negatives 53.3%. When positive O-B and/or other positive clinical signs were taken into consideration, sensitivity rose to 73.3% and false negatives went down to 26.7%. If we had not performed radiologies systematically on all the nursing children, we would have missed CHL diagnosis in 1.14% of our basic HA's population-group.
Conclusion:
We question the clinical diagnosis of CHL due to its low sensitivity and an excessive number of false negatives. We recommended systematic testing by means of a diagnostic image method, which could be X-Rays at 3 to 5 months.
More Related Videos
09:51The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
Published on: September 7, 2022
08:40Surgical Technique of the 3-Dimensional-printed Personalized Hip Implant for the Treatment of Canine Hip Dysplasia
Published on: April 19, 2024