12:31pm Wednesday 19 February 2020

Patient Says Device has had "Profound, Life-Changing Effect"

Then Dr. Sam Marzo of Loyola University Medical Center implanted a new hearing device in the middle ear of the Hinsdale resident. The device, called Esteem, is an alternative for hard-of-hearing patients who are not satisfied with hearing aids.

I could hear their real laugh for the first time since they were babies,” she said. “It was different, clear, pure and more beautiful than I could have ever imagined.”


For the first time in years, Merlo also can hear leaves blowing in the wind or heels clicking on a tile floor. She marvels at how much better her favorite songs sound. And she has turned off the closed captioning on the television.



“The device has had a profound, life-changing effect,” she said.

Esteem was recently approved by the Food and Drug Administration, and Marzo is among the first surgeons in the Chicago area to implant it. Marzo is doing two or three implants per week, and has done a total of 30.

The device is an alternative to hearing aids for people with moderate-to-severe hearing loss. It is implanted in the middle ear, and no part is visible. “An initial study showed that it works much better than hearing aids.” Marzo said.

The system uses the natural ear to pick up sound. When sound causes the ear drum to vibrate, the device senses the vibrations and turns them into electrical signals. These signals are sent to a sound processor, which adjusts the signals to meet the needs of the user. The improved signals then are sent to a device that mechanically stimulates a tiny bone called the stapes. The stapes, in turn, stimulates the cochlea. (The cochlea is a hollow tube, shaped like a snail shell, which contains the sensory organ of hearing.)

Marzo said between 22 million and 36 million Americans have experienced hearing loss.  Hearing aids can help, but many users find it difficult to distinguish sounds, especially conversation. By contrast, the implanted device can dramatically improve word recognition.

“This is for people who have tried hearing aids are unhappy with the results,” Marzo said.

Merlo was diagnosed with hearing loss at age 27, although she probably had been gradually losing hearing for years. She began wearing hearing aids, but they did not provide the clarity of natural hearing. It was especially frustrating in social settings, when Melo would have to pretend to understand what people were saying.

She and her husband, Richard, carefully researched the new device. She did not want to risk losing what hearing she still retained. But she decided to undergo the three-hour outpatient surgery because the procedure could be reversed if she was unhappy with the results.

The device, implanted in her left ear, worked far better than she expected.

“Now I can’t wait to get my other ear done,” she said.

Jim Ritter
Senior Manager
Media Relations
Loyola University Medical Center
708-216-2445 (Office)
708-216-7981 (Fax)

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