Using Machine Learning and Multifaceted Preoperative Measures to Predict Adult Cochlear Implant Outcomes: A Prospective Pilot Study.
Ankita Patro, Patrick J Lawrence, Terrin N Tamati and 2 others
PMID 39238093WHAT IT FOUND
Among 30 of 51 adults analysed, preoperative profiles formed three groups: one showed greater speech recognition change at six months, another had low baseline scores and little gain, and quality-of-life change did not differ.
Key findings
01One preoperative cluster showed greater speech-recognition change than the other two clusters.
02The cluster with little speech-recognition benefit had preoperative speech recognition not significantly different from the cluster with greater benefit.
03Lack of music training and lower verbal learning and memory scores distinguished the at-risk cluster.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
Only 30 of the 51 enrolled participants were analysed, so the sample is small. Follow-up was limited to 6 months, and the planned 12-month testing was not completed because of the pandemic. The clusters were exploratory and not validated in a larger sample; the authors say more work is needed before identifying the best preoperative measures. Important variables were not included, such as duration of severe-to-profound deafness, hearing aid use duration, electrode insertion depth, post-CI rehabilitation, and data logging. Music training was measured only as yes or no, so the study cannot identify which aspect of musicality matters. The CVLT verbal learning test is extensive and may not be practical for routine clinical use. Participants partially overlap with participants reported in other publications.
Declared interests
One author serves as CMO and is on the Board of Directors for Otologic Technologies. The other authors declared no conflicts of interest. The work was funded by the National Institute on Deafness and Other Communication Disorders.
The easy way to misread this
Do not treat these clusters as a validated clinical prediction rule. The pilot analysed 30 adults, the clusters were exploratory, and postoperative testing used the usual device setup, typically one cochlear implant plus a contralateral hearing aid.