BEGIN:VCALENDAR VERSION:2.0 PRODID:-//蘑菇视频//NONSGML v1.0//EN NAME:PhD defence R.J. Arntzen METHOD:PUBLISH BEGIN:VEVENT DTSTART:20250212T134500 DTEND:20250212T151500 DTSTAMP:20250212T134500 UID:2025/phd-defence-r-j-arntzen@8F96275E-9F55-4B3F-A143-836282E12573 CREATED:20250508T000831 LOCATION:(1st floor) Auditorium, Main building De Boelelaan 1105 1081 HV Amsterdam SUMMARY:PhD defence R.J. Arntzen X-ALT-DESC;FMTTYPE=text/html:

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Routes and Routing in t he Healthcare System for Old Age

Mathematical model can reduc e waiting times in healthcare

Flow problems are partly caused b y long waiting times for nursing homes, which put pressure on the car e system 'upstream'. Currently, nursing home waiting lists are manage d by the institutions themselves, without central coordination.

Shorter waiting times
With central coordination, you have to choose which patient to prioritise, based on factors suc h as waiting time and the patient's preference for a particular nursi ng home. Arntzen developed a mathematical method that calculates whic h person is best matched with an available bed.

Using a compute r simulation, she mimicked eldercare processes and simulated alternat ives. She also used microdata from Statistics Netherlands (CBS), and conducted interviews and surveys. The results of the simulation study show that it is possible to make optimal use of capacity, reduce wai ting times and meet the wishes of the elderly at the same time.

Queue in supermarket
According to Arntzen, it wo uld therefore be better for long-term care to manage queues centrally . 'The current situation can be compared to a supermarket where you a re stuck in a slow queue,' she explains. 'Meanwhile other queues go f aster, without allowing you to switch. This also happens at nursing h omes, only less visible. By centralising waiting lists, we get more c ontrol over waiting times and flexibility in placement, such as with an allocation model.'

When it comes to short-term care, Arntzen says there is not always a shortage of beds, but often of admission options. 'Investing in good admission options prevents many unwanted, expensive hospital admissions, in which elderly people often deterio rate unnecessarily. These improvements make care more efficient and m ore humane.'

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Mathematical model can reduce waiting times in health care

Elderly people often stay unnecessarily long on an expensiv e hospital bed when admitted to a hospital. This is because there is not enough space in follow-up care. This is disadventageous for the p atient and also burdensome for the healthcare system. Mathematician R ebekka Arntzen developed a model to improve the flow to follow-up car e. Flow problems are partly caused by long waiting times for nursing homes, which put pressure on the care system 'upstream'. Currently, n ursing home waiting lists are managed by the institutions themselves, without central coordination. Shorter waiting times
With central coordination, you have to choose which patient to pr ioritise, based on factors such as waiting time and the patient's pre ference for a particular nursing home. Arntzen developed a mathematic al method that calculates which person is best matched with an availa ble bed. Using a computer simulation, she mimicked eldercare processe s and simulated alternatives. She also used microdata from Statistics Netherlands (CBS), and conducted interviews and surveys. The results of the simulation study show that it is possible to make optimal use of capacity, reduce waiting times and meet the wishes of the elderly at the same time. Queue in supermarket
According to Arntzen, it would therefore be better for long-term care to manag e queues centrally. 'The current situation can be compared to a super market where you are stuck in a slow queue,' she explains. 'Meanwhile other queues go faster, without allowing you to switch. This also ha ppens at nursing homes, only less visible. By centralising waiting li sts, we get more control over waiting times and flexibility in placem ent, such as with an allocation model.' When it comes to short-term c are, Arntzen says there is not always a shortage of beds, but often o f admission options. 'Investing in good admission options prevents ma ny unwanted, expensive hospital admissions, in which elderly people o ften deteriorate unnecessarily. These improvements make care more eff icient and more humane.' More information on the Route s and Routing in the Healthcare System for Old Age END:VEVENT END:VCALENDAR