People Aged 85 or Older by 2035 May Live With At Least Four Diseases

by Julia Samuel on  January 23, 2018 at 5:06 PM Research News
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Between 2015 and 2035, the number of older people diagnosed with four or more diseases will double. Over the next 20 years, there will be a massive expansion in the number of people suffering from multiple diseases, known as multi-morbidity.
People Aged 85 or Older by 2035 May Live With At Least Four Diseases
People Aged 85 or Older by 2035 May Live With At Least Four Diseases

A third of these people will be diagnosed with dementia, depression or a cognitive impairment. As a result two-thirds of the life expectancy gains, predicted as 3.6 years for men, 2.9 years for women, will be spent with four or more diseases.

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Over the next 20 years the largest increase in diagnoses will be:
  • Cancer by 179.4%
  • Diabetes by 118.1% in the older population
  • The prevalence of arthritis and cancer will be the greatest
  • In the population over the age of 85 years all diseases, apart from dementia and depression, will more than double in absolute numbers between 2015 and 2035.
Professor Carol Jagger, Professor of Epidemiology of Ageing at Newcastle University's Institute for Ageing led the study which has developed the Population Ageing and Care Simulation (PACSim) model.

She said: "Much of the increase in four or more diseases, which we term complex multi-morbidity, is a result of the growth in the population aged 85 years and over. More worryingly, our model shows that future young-old adults, aged 65 to 74 years, are more likely to have two or three diseases than in the past. This is due to their higher prevalence of obesity and physical inactivity which are risk factors for multiple diseases."

In the UK, healthcare delivery was built, and generally remains centered, on the treatment of single diseases.

Professor Jagger adds: "These findings have enormous implications for how we should consider the structure and resources for the NHS in the future. Multi-morbidity increases the likelihood of hospital admission and a longer stay, along with a higher rate of readmission, and these factors will continue to contribute to crises in the NHS."

The authors state that patients with complex multi-morbidity need a different approach. They conclude that a single-disease-focused model of health care is unsuitable for patients with multi-morbidity. There needs to be a focus on prevention of disease, and a bespoke healthcare service provision for patients with multi-morbidity.

Source: Eurekalert

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