Pediatric blood & cancer · 2018
Hearing loss in children with sickle cell disease: A prospective French cohort study.
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Bois Emilie, Francois Martine, Benkerrou Malika, Van Den Abbeele Thierry, Teissier Natacha
Аннотация
BACKGROUND: Sickle cell disease (SCD) is the most common genetic disease in France. In developing countries, it is associated with a high incidence of hearing loss. The aim of this study was to determine the prevalence of hearing loss in French children with SCD in order to determine if they need a close audiological follow-up.
METHODS: We performed a single-center prospective cross-sectional study of children with SCD. The children, without specific hearing symptom, underwent an ear, nose and throat examination with a hearing assessment between 2015 and 2016.
RESULTS: Eighty-nine children were included, aged from 5 to 19 years, with 73% of SS or Sβ0 genotype and 27% of SC or Sβ+ genotype. Ten children (11.2%) had hearing thresholds higher than 20 dB in at least one ear: one child with subnormal hearing, six otitis media with effusion (OME), and three sensorineural hearing loss. Late age at diagnosis of SCD, a high platelet count and a low hematocrit level were significantly associated with OME; moreover, children with OME had more severe clinical and biological characteristics than children with normal hearing. Furthermore, 12.4% of the children complained of tinnitus. The rate of sudden hearing loss was 2.2%. Finally, 7.1% of patients with normal hearing showed a speech discrimination disorder.
CONCLUSIONS: Several causes were identified for hearing loss in children with SCD. They therefore need a close audiological follow-up in order to avoid complications due to curable phenomena and to enable appropriate management for progressive complications.
METHODS: We performed a single-center prospective cross-sectional study of children with SCD. The children, without specific hearing symptom, underwent an ear, nose and throat examination with a hearing assessment between 2015 and 2016.
RESULTS: Eighty-nine children were included, aged from 5 to 19 years, with 73% of SS or Sβ0 genotype and 27% of SC or Sβ+ genotype. Ten children (11.2%) had hearing thresholds higher than 20 dB in at least one ear: one child with subnormal hearing, six otitis media with effusion (OME), and three sensorineural hearing loss. Late age at diagnosis of SCD, a high platelet count and a low hematocrit level were significantly associated with OME; moreover, children with OME had more severe clinical and biological characteristics than children with normal hearing. Furthermore, 12.4% of the children complained of tinnitus. The rate of sudden hearing loss was 2.2%. Finally, 7.1% of patients with normal hearing showed a speech discrimination disorder.
CONCLUSIONS: Several causes were identified for hearing loss in children with SCD. They therefore need a close audiological follow-up in order to avoid complications due to curable phenomena and to enable appropriate management for progressive complications.