Italian journal of pediatrics · 2009
Prevalence of hypospadias in Italy according to severity, gestational age and birthweight: an epidemiological study.
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Ghirri Paolo, Scaramuzzo Rosa T, Bertelloni Silvano, Pardi Daniela, Celandroni Amerigo, Cocchi Guido, Danieli Roberto, De Santis Luisa, Di Stefano Maria C, Gerola Orietta, Giuffrè Mario, Gragnani Giuseppe S, Magnani Cinzia, Meossi Cristiano, Merusi Ilaria, Sabatino Giuseppe, Tumini Stefano, Corsello Giovanni, Boldrini Antonio
Аннотация
BACKGROUND: Hypospadias is a congenital displacement of the urethral meatus in male newborns, being either an isolated defect at birth or a sign of sexual development disorders. The aim of this study was to assess the prevalence rate of hypospadias in different Districts of Italy, in order to make a comparison with other countries all over the world.
METHODS: We reviewed all the newborns file records (years 2001-2004) in 15 Italian Hospitals.
RESULTS: We found an overall hypospadias prevalence rate of 3.066 +/- 0.99 per 1000 live births (82.48% mild hypospadias, 17.52% moderate-severe). In newborns Small for Gestational Age (birthweight < 10(th )percentile) of any gestational age the prevalence rate of hypospadias was 6.25 per 1000 live births. Performing multivariate logistic regression analysis for different degrees of hypospadias according to severity, being born SGA remained the only risk factor for moderate-severe hypospadias (p = 0.00898) but not for mild forms (p > 0.1).
CONCLUSION: In our sample the prevalence of hypospadias results as high as reported in previous European and American studies (3-4 per 1000 live births). Pathogenesis of isolated hypospadias is multifactorial (genetic, endocrine and environmental factors): however, the prevalence rate of hypospadias is higher in infants born small for gestational age than in newborns with normal birth weight.
METHODS: We reviewed all the newborns file records (years 2001-2004) in 15 Italian Hospitals.
RESULTS: We found an overall hypospadias prevalence rate of 3.066 +/- 0.99 per 1000 live births (82.48% mild hypospadias, 17.52% moderate-severe). In newborns Small for Gestational Age (birthweight < 10(th )percentile) of any gestational age the prevalence rate of hypospadias was 6.25 per 1000 live births. Performing multivariate logistic regression analysis for different degrees of hypospadias according to severity, being born SGA remained the only risk factor for moderate-severe hypospadias (p = 0.00898) but not for mild forms (p > 0.1).
CONCLUSION: In our sample the prevalence of hypospadias results as high as reported in previous European and American studies (3-4 per 1000 live births). Pathogenesis of isolated hypospadias is multifactorial (genetic, endocrine and environmental factors): however, the prevalence rate of hypospadias is higher in infants born small for gestational age than in newborns with normal birth weight.