Articles tagged with Hearing Loss
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A new study from North Carolina State University explores the connection between hearing loss and dementia in geriatric dogs. The study found that as hearing deteriorated, dogs' ability to perform tasks declined significantly. Cognitive scores related to vitality and companionship were also negatively impacted.
A systematic review and meta-analysis found tinnitus prevalence to be over 740 million adults worldwide, with 120 million reporting it as a significant issue.
A study published in Molecular Therapy — Methods & Clinical Development shows that delivering the protein EPS8 via gene therapy can rescue malfunctioning inner ear hair cells that transduce sound. In mice affected by recessive deafness, EPS8 increases stereocilia length and restores hair cell function.
Researchers at Mass Eye and Ear have received a five-year, $12.5 million grant to study cochlear synaptopathy, or hidden hearing loss, which can cause neural degeneration behind normal audiogram measurements. The team aims to understand its causes, identify it in patients with traditional hearing loss, and develop future therapies.
A recent hearing test was associated with a lower risk of underreporting hearing loss and a greater likelihood of using hearing aids among older adults. The study found that individuals who had recently undergone a hearing test were more likely to be aware of their hearing loss and take steps to address it.
A study by researchers at Uppsala University found that crocodiles can regenerate their hair cells due to the activation of support cells and efferent nerves. This discovery may lead to new treatments for people with impaired hearing, who affect over 1.2 billion worldwide.
Scientists review recent experiments and find noise regulations may need to be changed to protect marine mammals from pile driving noise. The current guidance is 7 years old and may not provide sufficient protection for species like harbor porpoises and seals.
Researchers developed a word-score model to estimate the amount of hidden hearing loss, or cochlear nerve damage, in humans. The model uses average speech scores as a function of age from nearly 96,000 ears examined at Mass Eye and Ear.
The Collaborative Research Centre Hearing Acoustics is developing smart hearing aids that use artificial intelligence to adjust to different environments. The project, which aims to create more adaptable hearing devices, has received $8.1 million in funding for another four years.
Researchers have identified 10 new genes linked to hearing loss, casting doubt on the understanding that age-related hearing impairment originates mainly from sensory hair cells. The study suggests that the stria vascularis, a part of the cochlea in the ear, is a new target for treatments to help people with hearing loss.
Scientists have discovered a master gene that programs ear hair cells into either outer or inner ones, enabling the development of these cells to restore hearing. This breakthrough could provide a previously unavailable tool to create specific hair cells and improve treatments for age-related hearing loss.
A new study found that half of older adults with both hearing and vision impairment have serious cognitive decline, compared to 28% with only vision impairment. The study highlights the importance of considering sensory impairments in identifying those at risk for cognitive decline.
A novel surgical approach and synthetic viral vector Anc80L65 successfully delivered genetic cargo to the inner ear of nonhuman primates, paving the way for a potential treatment for hearing loss and vestibular disorders. The study's findings suggest that this method could be translated to humans.
Researchers investigated whether COVID-19 led to a worsening of tinnitus symptoms, but found no significant difference in severity. Despite this, the pandemic can exacerbate anxiety and stress, potentially affecting individuals with tinnitus.
Researchers developed a machine learning model that provides good predictions for human speech recognition in noisy environments, benefiting hearing-impaired listeners. The model outperformed expectations and showed strong correlations with measured data.
A new longitudinal study found that frequent use of NSAIDs or acetaminophen, as well as regular use of COX-2 inhibitors, is associated with a higher risk of developing chronic persistent tinnitus. Low-dose aspirin use did not elevate risk, but moderate-dose aspirin use was linked to higher risk among women under 60.
Studies using magnetic resonance imaging found a correlation between decreased blood flow in specific brain areas and tinnitus severity. Researchers at the University of Illinois Urbana-Champaign explored these links to better understand the causes of tinnitus.
Researchers from Karolinska Institutet developed a novel method to diagnose constant tinnitus using auditory brainstem responses (ABR). The study found that people with occasional tinnitus are at increased risk of developing constant tinnitus, while those with existing constant tinnitus are more likely to experience persistent symptoms.
A novel gene delivery technique has successfully restored hearing in mice with a mutated STRC gene, which is the second most common genetic cause of hearing loss. The approach could be used to deliver other large genes and may provide a broad window of opportunity for treatment from babies to adults.
Researchers used ultra-high-resolution CT to assess new bone formation in 123 patients with cochlear implants. New bone formation was detected in 83% of patients and correlated with long-term residual hearing loss. The findings highlight the need for improved detection and monitoring methods.
Genetic variants at 67 genomic regions were found to contribute to increased risk of age-related hearing loss. Visualized proteins reveal molecular components critical for sound conversion and transmission.
A study found that adults with sensory impairment experienced a decline in emotional well-being during the pandemic due to lack of social interactions. Researchers hope to develop hybrid solutions for remote access and clear communication.
A recent study found that Black older Americans have significantly better hearing than their White counterparts, with a prevalence rate of 9.4% compared to 15.4% among Whites. The study suggests potential explanations for this difference, including diet and noise exposure.
Researchers found that exposure to common loud sounds causes fluid buildup in the inner ear, leading to hearing difficulty. Treating this buildup with hypertonic saline may help prevent or reverse nerve damage and save hearing.
Researchers developed a flexible, self-powered device that translates sound waves into electrical signals, mimicking the inner ear's function. The device, implanted in a model ear, accurately recreated music files, offering a promising solution for treating hearing loss without batteries.
A VCU study found that 4 out of every 5 COVID-19 survivors regain their sense of smell and taste within six months, with younger adults more likely to recover. Those with nasal congestion are more likely to recover their sense of smell, while those with head injuries or shortness of breath have a lower likelihood.
A small study found that a wireless kit, comprising headphones and an app, may be a cheap alternative to traditional treatment of 'glue ear' in kids. The kit enables remote monitoring of hearing at home, reducing clinic visits and potentially avoiding surgery in many cases.
Scientists identified several FDA-approved drugs, including metformin and inhaled anesthetics, that may prevent or treat noise-related hearing loss. The study analyzed changes in gene expression in mouse ears after damage caused by loud noise.
The study found that electronic prompts can increase awareness of hearing loss among patients and improve clinician buy-in for referrals. Clinicians reported prioritizing the prompts during annual visits and resulting in more conversations with patients about hearing loss.
The article highlights the need for financial and technological support to enable effective interprofessional teams in primary care. The authors suggest training community members to serve their communities and exploring how diversity impacts patient care outcomes. They also advocate for innovative payment models that allow primary car...
Researchers developed lab-grown cochlear organoids to screen FDA-approved drugs for hair cell-inducing properties. The study identified Regorafenib as a potent stimulator of hair cell formation, even regenerating lost cells in mouse tissues.
A new study found that young children with cancer are at a higher risk of permanent hearing loss due to the chemotherapy drug cisplatin. The study, published in the journal CANCER, reveals that up to 75% of children under 5 years old experienced hearing loss after treatment.
A new study by UBC researchers found that chemotherapy drug cisplatin is more likely to cause hearing loss in young children, particularly those under five years old. The study, published in Cancer, shows that the hearing of these children is impacted early during treatment and is affected to a greater extent than older children.
Astaxanthine attenuates cisplatin ototoxicity in vitro by reducing reactive oxygen species (ROS) overexpression, mitochondrial dysfunction, and apoptosis. In vivo, AST protects against cisplatin-induced hearing loss by promoting cell survival and reducing ROS overexpression.
A large cross-sectional study in Canada found no association between loud noise exposure and changes in biomarkers for cardiovascular disease or outcomes. However, there were associations found between noise and several biomarkers, but these remained statistically insignificant after adjusting for important variables.
A genetic variant in the TCERG1L gene has been identified as a risk factor for cisplatin-induced hearing loss in children with cancer, increasing the risk by three times. The finding could lead to predictive tests to inform treatment decisions and advance pediatric cancer care.
Researchers found that playing broadband sounds during the onset of congenital hearing loss preserved auditory processing of time-related sound features. The intervention also prevented hair cells from dying and maintained sound processing function in brainstems, cochleas, and midbrains.
The current research highlights the risk of noise-induced hearing loss among children and young adults due to prolonged exposure to high volumes from personal audio systems. The need for public health hearing conservation policies and education on safe volume levels is emphasized by experts.
The study reveals COVID-19 can cause inflammation in the auditory and vestibular pathways, worsening existing conditions like tinnitus. Pandemic-related stress and anxiety also increase the severity of tinnitus symptoms in individuals already affected.
Research suggests men with hearing loss are 1.78 times more likely to be obese than those without hearing loss, while inactive people with vision loss have a likelihood of obesity 1.375 times higher. Exercise plays a crucial role in preventing obesity for men with sensory losses.
The Acoustical Society of America will host virtual press conferences during the 180th Meeting, focusing on research in acoustics. Topics include teaching methods during the pandemic, the acoustic properties of moth wings, and the impact of headphones on younger generations' audio health.
Researchers discovered that superoxide-producing cells in the inner ear cochlea increase with aging, noise damage, and ototoxic drugs, leading to age-related, noise-induced, and drug-induced hearing loss. Suppressing superoxide production or using Nox3 inhibitors may lead to new treatments for acquired hearing loss.
Researchers from Brigham and Women's Hospital analyzed data from nearly 144,000 women and found a 40% higher risk of moderate or worse hearing loss in those with osteoporosis or low bone density. Bisphosphonates did not alter this risk, suggesting that other factors may contribute to the development of age-related hearing loss.
University of Alberta scientists have identified Toll-like receptor 4 as a potential target for preventing permanent hearing loss caused by the chemotherapy drug cisplatin. By inhibiting this receptor, they may be able to eliminate toxic side effects from the drug that cause hearing loss in childhood cancer survivors.
A study led by Penn Medicine researchers identified a new genetic cause of hearing loss and its link to the GAS2 protein's role in amplifying sound waves. The researchers found that the absence of functional GAS2 leads to severe hearing impairment in mice, highlighting the importance of this protein for normal hearing.
A study analyzed the association between hearing loss and level of physical activity among U.S. adults aged 60 to 69. The findings suggest a significant positive correlation, indicating that lower levels of physical activity may be associated with an increased risk of hearing loss in older adults.
The USPSTF recommends no routine screening for hearing loss in asymptomatic adults 50 and older due to insufficient evidence. Nearly 16% of U.S. adults report difficulty hearing, which is associated with increased risks of falls, hospitalizations, social isolation, and cognitive decline.
A systematic review of research evidence has found a strong association between Covid-19 and auditory problems, including hearing loss, tinnitus, and vertigo. The prevalence rates were estimated to be 7.6%, 14.8%, and 7.2% respectively.
A small study presented at the Endocrine Society's annual meeting found that 17 out of 26 patients taking teprotumumab reported otologic symptoms, including subjective hearing loss and tinnitus. The authors recommend baseline audiogram testing to better understand this potential side effect.
A national poll reveals that 80% of Americans over 50 haven't had their hearing checked by a professional in two years. Despite growing evidence about the importance of hearing, many older adults face barriers to timely care due to cost and stigma.
Tinnitus is a common hearing disorder affecting 7-8% of the population, causing irritability, depression, and even suicidal thoughts. Researchers review its pathophysiology, health impacts, and innovative engineering approaches to suppress its effects.
Researchers found that disrupting balance of gamma waves between hemispheres affects how brains integrate information from left and right ears. The study uses electric brain stimulation to manipulate interhemispheric connectivity, paving the way for new treatments for tinnitus and hearing loss.
The largest multi-center study of cisplatin-induced hearing loss reveals that permanent hearing loss occurs in 20-90% of patients, with higher doses and vincristine use increasing risk. The study establishes benchmarks for the prevalence of hearing loss and provides insights into how adjusting dosing approaches can minimize side effects.
People with combined vision and hearing loss are nearly four times more likely to experience depression, while those with both issues suffer chronic anxiety. Researchers found a significant link between sensory loss and mental health problems in a study of over 23,000 adults.
Researchers found that disposable surgical masks provide the best acoustic performance among tested masks, reducing high-frequency sound muffle and allowing speech to be heard clearly. Loosely woven cotton masks also perform well but may not block respiratory droplets as effectively.
Researchers from Tel Aviv University and Galilee Medical Center conducted a study to investigate the possibility of hearing loss caused by COVID-19 infection. They found no evidence of permanent neural or sensory damage to the auditory system, contradicting some reports in professional literature.
A study of 31 older adults found that acceptable noise levels in restaurants vary, with even those considered 'age-friendly' being too loud. The researchers suggest that restaurants can create more comfortable environments for customers, leading to increased patronage and revenue.
A new study published in PLOS ONE describes the use of functional near-infrared spectroscopy (fNIRS) to objectively detect tinnitus. The technology revealed differences in brain connectivity between people with and without tinnitus, and accurately differentiated patients with mild from moderate/severe cases using machine learning.
The EAR-PC study found that 25% of patients over 55 had signs of hearing loss and referral rates increased by 10-fold after electronic prompts. The findings suggest effective hearing loss screening in primary care can improve health outcomes for older adults.
A new study found that COVID-19 is making tinnitus worse in 40% of cases, with internal and external factors contributing to the increase in symptoms. Tinnitus affects an estimated one in eight adults in the UK, and the pandemic has made it more difficult for people to access healthcare support for the condition.