Hospitalisation rate in people with intellectual disability 'unacceptably high'

Tuesday, 15 June, 2021

Hospitalisation rate in people with intellectual disability 'unacceptably high'

A new study reveals that Australians with intellectual disability are being hospitalised for conditions that could be prevented or adequately managed in primary care. The research — conducted by The University of New South Wales and published in The Medical Journal of Australia — found the rate of hospitalisation to be 3.5 to 4.5 times higher than in the general population.

The researchers say the high rates of potentially preventable hospitalisations (PPH) are a symptom of the systemic neglect by the Australian healthcare system — recently reported by the Royal Commission into Violence, Abuse, Neglect and Exploitation of People with Disability — that people with intellectual disability experience. The researchers have called for urgent systemic action to address this issue.

PPH is defined in the National Healthcare agreement as hospital admissions for conditions where “the hospitalisation could have potentially been prevented through the provision of appropriate individualised preventative health interventions and early disease management”. This includes vaccine-preventable conditions such as the flu, chronic conditions like asthma, and acute conditions such as convulsions and epilepsy.

“We already know from international research that people with intellectual disability experience higher rates of PPH — and that they generally face stark health inequalities and barriers to accessing health care,” said senior author Professor Julian Trollor, from UNSW Sydney’s Department of Developmental Disability Neuropsychiatry (3DN). “But before our study, there hasn’t been any research into rates of PPH for Australians with intellectual disability.”

To address this evidence gap, the researchers analysed data collected over 15 years pertaining to 92,542 people with intellectual disability, and compared it to a cohort of the NSW general population.

“Our key finding is that people with intellectual disability in NSW experience higher PPH compared with the general population, which is unacceptable — they are 3.5 to 4.5 times more likely to be hospitalised for a condition that could have been managed through primary care or prevention,” UNSW lead author Dr Janelle Weise said.

People with intellectual disability were also found to be up to 25.7 times more likely to be hospitalised for convulsions and epilepsy compared with the general NSW population — the biggest inequality uncovered in the study.

“And we also found that people with intellectual disability are up to three times more likely than the NSW population to be hospitalised for a vaccine-preventable condition,” Dr Weise said.

“It is critical that we look into why people with intellectual disability are being hospitalised for vaccine-preventable conditions, as we know that failure to vaccinate is also a factor associated with preventable deaths in people with intellectual disability.

“Particularly in light of the COVID-19 vaccine rollout, we need to address the barriers faced by people with intellectual disability to be vaccinated.”

Urgent systemic action needed

The researchers say PPHs are a marker of poor access to primary and community-based health care.

“But we simply don’t have enough research into what actually drives PPH — in the general population, and even less so in people with intellectual disability,” Professor Trollor said. “That’s why we now need to find out why exactly that’s happening, and then do something about it — governments, policymakers, services and professional groups have much work to do to improve health care for people with intellectual disability.”

The authors’ recommendations include a national population health strategy for people with intellectual disability and mandating reasonable adjustments in Australian health care to meet the needs of people with intellectual disability.

“We also need to equip the healthcare workforce in the area of intellectual disability health — and we need to make sure people with intellectual disability and their support networks have the tools to improve their health literacy,” Professor Trollor explained.

Lived experience

With lived experience of intellectual disability, Council for Intellectual Disability Project Worker Jack Kelly said some health professionals just don’t get it.

“They can work with people without a disability well, but for people with a disability they don’t know where to turn. What we need is increased training for health staff in supporting people with an intellectual disability, and longer appointment time[s] so the person with an intellectual disability has more time to say what they want to say without feeling rushed.”

For many years, the Council for Intellectual Disability has been advocating for fundamental action by governments on the health of people with intellectual disability. The Council’s Senior Advocate, Jim Simpson, said, “Here we have yet more rigorous evidence of the stark health inequalities suffered by people with intellectual disability. We have welcomed initiatives by Health Minister Greg Hunt including the development of a National Roadmap for Improving the Health of People with Intellectual Disability. We now look to the Minister to release and implement the roadmap as a matter of urgency.”

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