Deafness : Causes

Deafness : Causes
most common cause of hearing loss - heredity.

According to statistics, about 12 million Russians (8%), of which 1 million - children suffer hearing impairments.Causes of hearing loss

Experts identify the main risk factors for hearing loss:

  • family history (the presence of the closest relatives of a child with congenital hearing impairment);akin to marriage;
  • syndromic hereditary pathology;
  • infectious and viral diseases of the mother during pregnancy (rubella, influenza, cytomegalovirus, herpes, toxoplasmosis, syphilis and others.);
  • use during pregnancy drugs with ototoxic potential effects;
  • toxicosis of pregnancy;
  • severe fetal hypoxia;
  • newborn asphyxia (first Apgar score - at least 5 points; 2nd Apgar score - less than 7 points);
  • profound degree of prematurity (gestational age less than 32 weeks);
  • postmaturity (gestational age more than 41 weeks);
  • very low and extremely low birth weight;
  • congenital pathology of maxillofacial skeleton;
  • intracranial birth trauma;
  • severe hypoxic-ischemic
    CNS;
  • severe hypoxic-hemorrhagic CNS;
  • hemolytic disease of the newborn;
  • persistent and / or severe hyperbilirubinemia associated with impaired conjugation of bilirubin in the liver;
  • use for the treatment of newborn baby drugs with ototoxic potential effects: (aminoglycoside antibiotics series - streptomycin, monomitsin, kanamycin, gentamicin, amikacin, tobramycin, etc .; macrolide antibiotics - erythromycin, azithromycin, etc .; loop diuretics - furosemideetc .; NSAIDs - indomethacin etc.).
  • long-term use for the treatment of newborn baby ventilator (the duration of mechanical ventilation for more than 96 hours).

Identification of a child of two or more risk factors significantly increases the likelihood of his hearing impairment.

At discharge, such a child from the hospital the doctor-neonatologist in exchange card newborn notes "Threatened by hearing loss," indicating factor.

In addition, the doctor-neonatologist conducts a conversation with the child's parents, focusing them on his examination in the first months of life.

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