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Milani Carlo M.D.; Ishida, Akira M.D.; Filho, José Laredo M.D.; Dobashi, Eiffel T. M.D.
Journal of Pediatric Orthopaedics, Part B: June 2000
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The Wiberg center edge angle (CEA) of 400 hip sonographies among 200 infants. 100 Italians and 100 Brazilians, aged from 15 days to 90 days, whose hip joints were considered normal, from the ultrasonographic point of view (la and lb) according to Grafs classification were measured. For the CEA measurements in the studied material, the authors used their own methodology developed for this purpose, which is based on basic geometric concepts and applied by one graphic computer program. In the studied material, the statistical analysis of the results obtained in the measurement of the CEA showed a better conformation of the acetabular roof complex in the Brazilian infants compared with the Italian.

*Address correspondence and reprint requests to Dr Carlo Milani, IFOR—Instituto de Fraturas, Ortopedia e Reabilitação de São Bernardo do Campo, Rua Américo Brasiliense n° 596, ZIP 09715–021, São Bernardo do Campo, SP, Brazil.

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