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Choanal atresia is a congenital disorder where the back of the nasal passage ( choana) is blocked, usually by abnormal bony or soft tissue (membranous) due to failed hole development of the nasal fossae during prenatal development. It causes persistent rhinorrhea, and with bilateral choanal atresia and obstructed airway that can cause cyanosis and hypoxia .
Choanal atresia is a birth defect that blocks one or both nasal passages. Learn more about how to recognize it and why it’s important to get it checked out.
Esophageal atresia and tracheoesophageal fistula can be deadly if they are left untreated. The latter causes an abnormal connection between the esophagus and the trachea, which causes esophageal fluids to enter the airways and cause respiratory problems.
CHARGE syndrome (formerly known as CHARGE association) is a rare syndrome caused by a genetic disorder. First described in 1979, the acronym "CHARGE" came into use for newborn children with the congenital features of c oloboma of the eye, h eart defects, a tresia of the nasal choanae, r estricted growth and/or development, g enital and/or ...
Bilateral choanal atresia requires immediate surgery. Having the condition on one side (unilateral) may require surgery, but sometimes you may just need supplemental oxygen or saline spray or drops.
Find out from WebMD experts what a collapsed nostril or nasal valve collapse is and how it's treated.
Biliary atresia is a genetic condition in newborns where part or all of the bile duct is malformed. It requires prompt surgical treatment.
The choanae ( sg.: choana ), posterior nasal apertures or internal nostrils are two openings found at the back of the nasal passage between the nasal cavity and the pharynx, in humans and other mammals (as well as crocodilians and most skinks ). They are considered one of the most important synapomorphies of tetrapodomorphs, that allowed the ...
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