International journal of pediatric otorhinolaryngology · 2021
Gadolinium-based contrast agent for Magnetic Resonance Imaging as a predictor of postmeningitic hearing loss in children.
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Shi Kevin, Purser Jeremy S, Germiller John A, Rampton John W, Firpo Matthew A, Park Albert H
Аннотация
OBJECTIVE: To determine if Gadolinium-based enhanced Magnetic Resonance Imaging (GdMRI) can be used to predict sensorineural hearing loss (SNHL) in pediatric patients diagnosed with bacterial meningitis.
STUDY: Design: Retrospective chart review.
SETTING: Primary Children's Hospital, Salt Lake City, Utah.
SUBJECTS: and Methods: We studied forty-two pediatric patients diagnosed with bacterial meningitis who underwent brain GdMRI during their index hospital admission and for whom ear specific audiometric data were available (August 2008-July 2018). A pediatric neuroradiologist, blinded to both disease and audiometric data, rated cochlear enhancement of each GdMRI (0-3; none to markedly enhanced).
RESULTS: Ear specific MRI scores were statistically significantly related to ear specific hearing outcomes (p < 0.01). SNHL occurred in 19 out of 82 ears (12 out of 42 patients; 2 ears were excluded due to pre-existing SNHL in one ear and inability to read the GdMRI on the other ear). Ten of 19 ears (53%) that developed SNHL showed mild/moderate/marked enhancement (MRI score of 1, 2, or 3 respectively). Fifty-three of the 63 unaffected ears (84%) showed no enhancement (MRI score of 0). Ten of 13 (77%) ears that developed severe to profound SNHL showed mild/moderate/marked enhancement. GdMRI was 58% sensitive and 84% specific in predicting which ears would develop SNHL. GdMRI was 77% sensitive and 84% specific in identifying severe to profound SNHL.
CONCLUSION: Our study demonstrates that GdMRI is a promising tool for predicting specifically severe-profound hearing loss in pediatric patients following bacterial meningitis infection.
STUDY: Design: Retrospective chart review.
SETTING: Primary Children's Hospital, Salt Lake City, Utah.
SUBJECTS: and Methods: We studied forty-two pediatric patients diagnosed with bacterial meningitis who underwent brain GdMRI during their index hospital admission and for whom ear specific audiometric data were available (August 2008-July 2018). A pediatric neuroradiologist, blinded to both disease and audiometric data, rated cochlear enhancement of each GdMRI (0-3; none to markedly enhanced).
RESULTS: Ear specific MRI scores were statistically significantly related to ear specific hearing outcomes (p < 0.01). SNHL occurred in 19 out of 82 ears (12 out of 42 patients; 2 ears were excluded due to pre-existing SNHL in one ear and inability to read the GdMRI on the other ear). Ten of 19 ears (53%) that developed SNHL showed mild/moderate/marked enhancement (MRI score of 1, 2, or 3 respectively). Fifty-three of the 63 unaffected ears (84%) showed no enhancement (MRI score of 0). Ten of 13 (77%) ears that developed severe to profound SNHL showed mild/moderate/marked enhancement. GdMRI was 58% sensitive and 84% specific in predicting which ears would develop SNHL. GdMRI was 77% sensitive and 84% specific in identifying severe to profound SNHL.
CONCLUSION: Our study demonstrates that GdMRI is a promising tool for predicting specifically severe-profound hearing loss in pediatric patients following bacterial meningitis infection.