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2022-01-01
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- IOC - Artigos de Periódicos [12654]
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PREFERENTIAL ASSOCIATIONS BETWEEN ORAL CLEFTS AND OTHER MAJOR CONGENITAL ANOMALIES
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Abstract
TObjectives: To identify preferential associations between oral clefts (CL =
cleft liponly, CLP = cleft lipwith cleft palate, CP = cleft palate) and nonoral cleft anomalies, to interpret them on clinical grounds, and, based on the patterns of associated defects, to establish whether CL and CLP are different conditions. Design and Settings: Included were 1416 cleft cases (CL = 131, CLP = 565, CP = 720), among 8304 live- and stillborn infants with multiple congenital anomalies, from 6,559,028 births reported to the International Clearinghouse for Birth Defects Surveillance and Research by 15 registries between 1994 and 2004. Rates of associated anomalies were established, and multinomial logistic regressions applied to identify significant associations. Results: Positive associations with clefts were observed for only a few defects, among which anencephaly, encephaloceles, club feet, and ear anomalies were the most outstanding. Anomalies negatively associated with clefts included congenital heart defects, VATER complex (vertebral defects, imperforate anus, tracheoesophageal fistula, and radial and renal dysplasia), and spina bifida. Conclusion: The strong association between all types of clefts and
anencephaly seems to be attributable to cases with disruptions; the association between CP and club feet seems to be attributable to conditions with fetal akinesia.
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