Abstract:
BACKGROUND:Microtia is a congenital defect characterized by disturbances in the size and form of the ear lobe. Anotia corresponds to the absence of the ear lobe. AIM:To study the prevalence of microtia and anotia at the Maternity of the University of Chile Clinical Hospital. MATERIAL AND METHODS:Analysis of the database of the Latin American Collaborative Study of Congenital Defects (ECLAMC). All newborns and stillborns with congenital defects are incorporated to this database. RESULTS:The prevalence of microtia-anotia in the period 1982-2001 was 8.7 per 10,000 born alive. Chilean hospitals have an uniform prevalence of 5.2 per 10,000 born alive. Thirty seven percent presented as isolated malformations and the rest were associated to other defects. Eighty six percent of non isolated cases were part of a syndrome. Sixty eight percent were mild or moderate forms and the rest, severe forms. Two cases were stillborns and two newborns died before hospital discharge. CONCLUSIONS:The prevalence of microtia in this hospital and in the rest of Chilean hospitals is significantly higher than in the rest of non Chilean hospitals participating in the ECLAMC, that is 4.1 per 10,000 born alive.
journal_name
Rev Med Chiljournal_title
Revista medica de Chileauthors
Nazer J,Lay-Son G,Cifuentes Ldoi
10.4067/s0034-98872006001000012subject
Has Abstractpub_date
2006-10-01 00:00:00pages
1295-301issue
10eissn
0034-9887issn
0717-6163pii
S0034-98872006001000012journal_volume
134pub_type
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