Enter the dragon--China's journey to the hearing world

Qi Liang1, Brendan Mason

  • 1Cochlear Limited, China. qliang@cochlear.com

Insights

China is expanding cochlear implant (CI) services for children with hearing loss, with government funding and training programs growing rapidly. Despite less than 5% penetration, the infrastructure for CI is developing quickly to meet the needs of deaf children.

Area of Science:

  • Otorhinolaryngology
  • Pediatric Audiology
  • Public Health

Background:

  • China's large population (1.3 billion) has a high incidence of childhood hearing impairment, with 30,000 babies born with hearing loss annually.
  • Universal Newborn Hearing Screening (UNHS) has been implemented nationwide since 1999, reaching 95% coverage in urban areas by 2010.
  • Severe-to-profound deafness affects an estimated 115,000 children under seven in China.

Purpose of the Study:

  • To review the current status and expansion of cochlear implant (CI) services for children in China.
  • To highlight government initiatives, financing, and professional training in pediatric CI care.
  • To assess the progress and future outlook of CI penetration and outcomes in China.

Main Methods:

  • Review of national newborn hearing screening programs and their implementation status.
  • Analysis of cochlear implant (CI) statistics, including recipient numbers, age groups, and government funding projects.
  • Examination of training programs for surgeons, audiologists, and rehabilitation specialists.
  • Overview of ongoing outcome studies and the development of standardized testing for CI recipients.

Main Results:

  • Over 10,000 cochlear implants (CIs) have been performed since 1995, with 85% in children under seven.
  • Significant government investment is funding CI surgeries, rehabilitation, and devices for thousands of children annually.
  • Training initiatives are in place to develop expertise in CI surgery and audiology across China.

Conclusions:

  • Cochlear implantation is rapidly expanding in China, supported by increasing government funding and infrastructure development.
  • Despite current low penetration (<5% of pediatric candidates), the trajectory indicates significant future growth in CI services.
  • Ongoing efforts in training and outcome assessment are crucial for sustained development and improved patient care in pediatric audiology.
Abstract

Related Concept Videos

Hearing01:31

Hearing

When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
The Cochlea01:13

The Cochlea

The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
Anatomy of the Ear01:16

Anatomy of the Ear

Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
Auditory Pathway01:15

Auditory Pathway

Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...
Auditory Perception01:17

Auditory Perception

The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the cochlea, a...
Convergent Evolution01:54

Convergent Evolution

Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.