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Published on: February 29, 2020
Consumer acoustic reflectometry by parents in detecting middle-ear fluid among children undergoing tympanostomy
1Department of Otorhinolaryngology, Kanta-Hame Central Hospital, Hameenlinna, Finland. heikki.teppo@khshp.fi
Insights
Parents can reliably use consumer acoustic reflectometry to rule out middle-ear fluid in children. This home screening tool showed high sensitivity and negative predictive value for detecting otitis media.
Area of Science:
- Pediatrics
- Otolaryngology
- Diagnostic Technology
Background:
- Middle-ear fluid (MEF) detection is crucial for diagnosing otitis media in children.
- Accurate and accessible diagnostic tools are needed for early detection and management.
- Parental involvement in home monitoring could improve outcomes for otitis-prone children.
Purpose of the Study:
- To evaluate the diagnostic accuracy of a consumer-grade acoustic reflectometer.
- To assess the feasibility of parents using this device for middle-ear fluid detection in children.
- To determine the reliability of home-based acoustic reflectometry for otitis media screening.
Main Methods:
- Prospective diagnostic accuracy study adhering to STARD guidelines.
- Parents utilized a consumer acoustic reflectometer for recordings in pre-school children.
- Acoustic reflectometry results were compared against otomicroscopic myringotomy under general anesthesia.
Main Results:
- Consumer acoustic reflectometry demonstrated high sensitivity (94%) and negative predictive value (92%) for MEF detection.
- A 'green' result (scale 1-5) reliably indicated the absence of middle-ear fluid.
- The specificity and positive predictive value of the device were found to be poor.
Conclusions:
- Home screening using consumer acoustic reflectometry is highly reliable for ruling out middle-ear fluid.
- Further research into home screening and follow-up of otitis media in children is warranted.
- This technology holds potential for empowering parents in managing otitis-prone conditions.
Objective:
This study aimed at evaluating the diagnostic accuracy of a consumer model acoustic reflectometer in the hands of parents in the detection of middle-ear fluid among children.
Design:
Prospective diagnostic study according to STARD guidelines. Acoustic reflectometry recorded by the parents was compared with otomicroscopic myringotomy with suction in general anaesthesia, performed immediately afterwards.
Setting:
Secondary care (Kanta-Hame Central Hospital, Finland).
Patients:
Pre-school (<7 years) children undergoing otomicroscopic myringotomy due to recurrent acute otitis media or suspicion of glue ear.
Main Outcome Measures:
Sensitivity, specificity, and positive and negative predictive values of acoustic reflectometry.
Results:
Consumer model acoustic reflectometry performed by parents reached sensitivity of 94% (95% confidence interval 88-100%) and negative predictive value of 92% (83-100%) with result 1 (green colour) on a scale of 1-5. On the other hand, the method was not very specific and positive predictive value was poor.
Conclusions:
The negative screening result was very reliable. Thus, home screening of otitis among otitis-prone children and home follow-up of resolution of middle-ear fluid afterwards deserves to be studied in the home setting in the future.
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