AI Article Synopsis
- The study evaluates the effectiveness of sound transmission tests with a tuning fork and stethoscope for diagnosing developmental dysplasia of the hip in newborns in Guanajuato, Mexico, compared to standard clinical methods.
- The methodology involved testing 100 newborns with various procedures, including sound transmission tests and ultrasonography, to measure their validity and reliability.
- Results showed that the sound transmission test had high sensitivity and specificity, indicating it is a useful diagnostic tool, outperforming traditional clinical tests like the Ortolani and Barlow tests.
Article Abstract
Introduction: This study aims to estimate the validity and reliability of sound transmission tests using a tuning fork and stethoscope compared with the usual clinical procedures for the diagnosis of developmental dysplasia of the hip in newborns from the state of Guanajuato, Mexico.
Methodology: This is a cross-sectional study of newborns at the Guanajuato General Hospital of the Institute of Public Health from Guanajuato. The population under study comprised newborns born from April to May 2023. All parents of newborns were invited to participate. The Ortolani, Barlow, Peter-Baden, and sound transmission tests were performed with a tuning fork and stethoscope three times by two observers. Ultrasonography using the Graf technique was also applied to both hips. We evaluated the validity and repeatability of clinical procedures and sound transmission tests against ultrasonography as the gold standard. We calculated sensitivity, specificity, and predictive values for validity and Cohen's kappa for repeatability.
Results: The sample consisted of 100 newborns (56% male and 44% female); 65% born by vaginal delivery. Sound transmission test results for sensitivity, specificity, the positive predictive value, and the negative predictive value were 87.88%, 95.81%, 80%, and 97.53%, respectively. The intra-observer kappa was 0.89 (95% CI = 0.80-0.97) and the inter-observer kappa was 0.85 (95% CI = 0.73-0.97). The validity and repeatability of the Ortolani, Barlow, and Peter-Baden tests were low compared with the sound transmission test.
Conclusion: The sound transmission test using a tuning fork and stethoscope is helpful for the diagnosis of developmental dysplasia of the hip.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11550970 | PMC |
| http://dx.doi.org/10.3389/fped.2024.1397697 | DOI Listing |
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