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Padilla, N. and Figueroa, R.C. (1992) Diagnosis of Congenital Dislocation of the Hip, with the Compared Transmission Test. Rev Mex de Pediatr, 59, 149-151.

has been cited by the following article:

  • TITLE: Validity and Reliability of a Measuring Device Based on Sound Transmission for Diagnosis of Hip Dysplasia in Newborns

    AUTHORS: Nicolas Padilla-Raygoza, Rosalina Diaz-Guerrero, Ma. Laura Ruiz-Paloalto, Teodoro Cordova-Fraga, Modesto Antonio Sosa-Aquino, Aaron Huetzin Perez-Olivas

    KEYWORDS: Validity, Reliability, Sound Transmission, Dysplasia of the Hip

    JOURNAL NAME: Advances in Bioscience and Biotechnology, Vol.5 No.10, September 25, 2014

    ABSTRACT: Sound transmission has been used for diagnosis of hip dysplasia in newborns and infants with tunning fork and sthetoscope. The study aims to identify the validity of a device based on sound transmission. Male and female newborns from Celaya, Gto, ranging from 4 to 28-day-old were selected for the study. The sound transmission device was used both, in bilateral assessment (compared sound transmission) and on each hip separately (sound transmission with extension/flexion). In the first application if the sound is lower by a digit, there is a hip unhealthy. In the second application if the sound is increased by a digit, there is also an alteration of the hip. A hip ultrasound was applied using the Graf technique as a gold standard. Sensitivity, specificity and predictive values were calculated to identify validity. The intra-observer and inter-observer Kappa Test was applied to identify reliability. The hips of 103 newborns were assessed, obtaining a sensitivity of 60.9%, and a specificity of 92%; it should be a positive predictive value of 51.9% and a negative predictive value of 95% for the compared sound transmission test. In the sound transmission test with extension/flexion, the values were 82.6%, 96.2%, 73.1% and 97.8% for sensitivity, specificity, positive predictive value and negative predictive value, respectively. The result of the intra-observer kappa was 0.80 and the inter-observer was 0.70 for the compared sound transmission. The intra-observer Kappa was 0.88 and the inter-observer was 0.78 for the compared sound transmission test with extension/flexion. The device for sound transmission is valid and reliable for the diagnosis of dysplastic development hip disease in newborns.