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Baseline and 6-month tinnitus burden negatively associated with 2-year quality of life in single-sided deafness after cochlear implantationSilence isn't the only goal after implant surgery

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Key Takeaway
Note that early tinnitus burden and hearing status associate with 2-year quality of life in single-sided deafness after cochlear implantation.

This study utilized a secondary complete-case analysis of a prospective longitudinal cohort involving 36 adults with postlingual single-sided deafness. The primary exposure was unilateral cochlear implantation, with follow-up conducted over 2 years. The primary outcome measured was the 2-year Nijmegen Cochlear Implant Questionnaire (NCIQ) scores, while secondary outcomes included tinnitus burden, perceived hearing ability, psychological distress, depression, anxiety, and perceived stress.

The analysis identified that higher tinnitus burden at baseline was associated with lower 2-year NCIQ scores. Similarly, higher tinnitus burden at 6 months was associated with lower 2-year NCIQ scores. Conversely, better hearing at 6 months was associated with higher 2-year NCIQ scores. Across all assessments, higher NCIQ scores were linked to lower tinnitus burden and better hearing.

Safety and tolerability data were not reported, as were specific adverse events, serious adverse events, discontinuations, or general tolerability metrics. The study employed exploratory multivariable analyses, and associations with depression and anxiety persisted, while connections with perceived stress emerged after surgery. Limitations include the secondary complete-case analysis design and the fact that causality is not explicitly claimed beyond 'associated with'.

The practice relevance supports a structured, multidimensional approach to patient-reported follow-up after cochlear implantation in single-sided deafness. Early postoperative patient-reported status may serve as an early candidate marker for later quality-of-life outcomes. However, the study phase was not reported, and funding or conflicts of interest were not reported. The certainty of these findings is constrained by the exploratory nature of the analyses and the observational cohort design.

Imagine waking up one day and realizing you can finally hear your favorite song clearly. You feel like a new person. But months later, you notice the ringing in your ears hasn't gone away. You wonder if the surgery was a waste.

Single-sided deafness means you only hear with one ear. It is common, affecting many adults. You might struggle to understand conversations in noisy rooms. You might feel anxious when you can't hear someone calling your name.

Current treatments often focus only on fixing the hearing loss. But fixing the hearing doesn't always fix the whole problem. Many patients still feel stressed or overwhelmed even after surgery.

The surprising shift

Doctors used to think better hearing meant a better life. They believed that if the device worked, the patient would feel great. But here is the twist. The new research shows that hearing is just one part of the puzzle.

Think of your brain like a busy office. When you have single-sided deafness, the office gets chaotic. Noise from one side drowns out the voice you need to hear. This causes stress.

Now, add ringing in the ears, called tinnitus. This is like a loud fan running in the background. It makes the office even noisier. Even if you fix the microphone (the implant), the fan might still be on.

The study found that the fan (tinnitus) is a bigger problem than people thought. It stops patients from feeling better, even when the microphone works well.

Researchers looked at 36 adults who had the surgery. They checked their feelings and hearing at the start. They checked again at six months, one year, and two years. They used simple surveys to ask how they felt.

The most important finding is about the ringing in the ears. If the ringing was loud before surgery, it stayed loud. This made the overall quality of life worse two years later.

Better hearing at six months was a good sign. It predicted better results two years down the road. But the ringing was the biggest hurdle.

But there's a catch.

This is where things get interesting. The study shows that fixing the ear is not enough. You also need to manage the ringing and the stress.

The data suggests that doctors should ask more questions before and after surgery. They need to know about the ringing and the anxiety. Treating these issues early could lead to happier patients.

If you are considering this surgery, talk about your ringing. Do not hide it. If you are already a patient, know that your feelings matter. Your quality of life depends on more than just hearing volume.

This study looked at a specific group of people. The results might not apply to everyone. Also, the study was done over two years. We do not know if these patterns hold true for everyone forever.

Doctors will likely start asking more questions about stress and ringing. They may develop new ways to treat these issues alongside the hearing loss. This research gives them a clear map for the future. It helps them focus on what truly improves a patient's life.

Study Details

Study typeCohort
EvidenceLevel 3
PublishedApr 2026
View Original Abstract ↓
BackgroundCochlear implantation is a common treatment for adults with single-sided deafness (SSD), but patient-reported benefits vary. The relationships among tinnitus burden, perceived hearing ability, psychological distress, disease-specific health-related quality of life, and whether early postoperative outcomes predict later results are not well understood.ObjectiveThis study explores how disease-specific quality of life relates to tinnitus burden, hearing, stress, depression, and anxiety after cochlear implantation in SSD. It also seeks early markers linked to 2-year outcomes.MethodsThis secondary complete-case analysis was based on a previously reported prospective longitudinal SSD cohort. Of 70 adults with postlingual SSD, 36 (51.4%) had complete Nijmegen Cochlear Implant Questionnaire (NCIQ) data at baseline and at 6 months, 1 year, and 2 years after unilateral cochlear implantation and were included. Additional measures included the Tinnitus Questionnaire (TQ), Oldenburg Inventory (OI), PerceivFed Stress Questionnaire (PSQ), General Depression Scale (ADS-L), Generalized Anxiety Disorder 7-item scale (GAD-7), and Freiburg Monosyllable Test (FMT) at 65 dB. Timepoint-specific correlations with the NCIQ were analyzed using Spearman’s rank correlations. Exploratory multivariable analyses employed linear regression on rank-transformed variables to assess whether baseline and 6-month patient-reported profiles were associated with 2-year NCIQ outcomes. Longitudinal within-patient comparisons were conducted as a secondary descriptive analysis.ResultsHigher NCIQ scores were linked to lower tinnitus burden and better hearing across all assessments. Associations with depression and anxiety persisted, while connections with perceived stress emerged after surgery. At baseline, higher tinnitus burden was associated with lower 2-year NCIQ scores. At 6 months, higher tinnitus is still associated with lower 2-year NCIQ scores, whereas better hearing is associated with higher 2-year NCIQ scores. Early postoperative improvement was followed by stabilization over 2 years.ConclusionImprovement in health-related quality of life after cochlear implantation in adults with SSD is complex and extends beyond hearing alone. Tinnitus was the most consistent negative factor, while improved subjective hearing at 6 months was associated with better outcomes at 2 years. These results support a structured, multidimensional approach to patient-reported follow-up after cochlear implantation in SSD and suggest that early postoperative patient-reported status may serve as an early candidate marker for later quality-of-life outcomes.
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