Correlation between specific rubella immunoglobulin G (Ig G) and response evoked brainstem audiometry examination on confirmed congenital rubella syndrome (CRS) patients

https://doi.org/10.19106/JMedScie/005004201810

Bambang Udji Djoko Rianto(1*), Akmaluddin Agung Pratomo(2), Ashadi Prasetyo(3)

(1) Department of Otorhinolaryngology Head and Neck Surgery, Faculty of Medicine, Universitas Gadjah Mada/Dr. Sadjito General Hospital, Yogyakarta
(2) Department of Otorhinolaryngology Head and Neck Surgery, Faculty of Medicine Gadjah Mada/Dr. Sadjito General Hospital
(3) Department of Otorhinolaryngology Head and Neck Surgery, Faculty of Medicine Gadjah Mada/Dr. Sadjito General Hospital
(*) Corresponding Author

Abstract


Congenital rubella syndrome (CRS) is a health problem that can cause deaf child. Its
diagnosis is based on clinical manifestation, specific rubella Immunoglobulin M (IgM) and
IgG examination. The aim of this study was to evaluate the correlation between the specific
rubella IgG level and the brainstem evoked response audiometry wave V. This was a
cross sectional study involving congenital rubella syndrome (CRS) child patients at Dr.
Sardjito General Hospital, Yogyakarta from 2011 to December 2016. The inclusion criteria
were 1) aged less than 24 months; 2) wave V of brainstem evoked response audiometry
examination has been identified. The exclusion criteria were 1) the patient’s parents refused
to participate and 2) incomplete data. Based on α: 5%, β: 20% and coefficient correlation
estimation 0.04, minimal sample size were 47 subjects. All of subjects was underwent
specific rubella IgG examination. Statistical analysis by using Spearman`s correlation test.
Wave V at the level <25 dB were found in 2 patients (4.3%), 26-40 dB results in 3 (6.4%)
patients, 41-60 dB in 1 (2.1%) patient, 61-80dB was found in 9 (19.1%) patients and > 81
db in 32 (68.1%) patients. A significant positive linear correlation between IgG levels (4-
400 IU/mL) and wave V of brainstem evoked response audiometry was reported (p<0.05;
r = 0.432). In conclusion, there is a positive correlation between specific rubella IgG level
and brainstem evoked response audiometry test results.


Keywords


congenital rubella syndrome - immunoglobulin G - hearing threshold - brainstem evoked response - audiometry examination

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DOI: https://doi.org/10.19106/JMedScie/005004201810

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Journal of the Medical Sciences (Berkala Ilmu Kedokteran) by  Universitas Gadjah Mada is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
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