Neonatal Hearing Screening: protocols, obstacles and perspectives of speech therapists in Brazil - 10 years of Brazilian Federal Law 12,303/2010.
Luíza Silva Vernier, Sílvio César Cazella, Daniela Centenaro Levandowski
PMID 35043864WHAT IT FOUND
Brazilian speech therapists report inconsistent newborn hearing screening protocols and poor data tracking.
While 87.9% record total screenings, only 21.2% monitor false-positive rates. Most lack standardized procedures, risking gaps in follow-up for infants who fail the initial test.
Key findings
01Protocols for newborn hearing screening are not standardized, with a predominance of using transient otoacoustic emissions (TOAE) across all cases.
02Data control is weak; while most professionals track total screenings, very few monitor critical quality indicators like false-positive rates.
03Screening programs frequently face interruptions due to equipment failure or staff absence, disrupting the continuity of care.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The sample size was small (33 professionals) and recruited via convenience sampling through social media and professional networks, which may introduce selection bias. The study relies on self-reported data from questionnaires, which may not accurately reflect actual clinical practice. The findings are specific to the Brazilian healthcare context and may not generalize to other countries with different resource levels or regulations. The authors note a scarcity of national literature for comparison, limiting the context of the findings.
Declared interests
The study was part of a research project approved by the Research Ethics Committee of the Federal University of Health Sciences of Porto Alegre. No specific funding sources or commercial conflicts of interest were declared in the provided text.
The easy way to misread this
Do not assume that because a newborn hearing screening program exists, it is effectively tracking outcomes. The study shows that while most services count the number of babies screened, very few monitor false-positive rates, meaning infants who fail the initial test may be lost to follow-up without the clinicians realizing the scale of the problem.