How Green Dialysis Could Save Tens of Thousands of Lives per year


Understanding how processes and systems act on one another is key to sustainable living. Sustainability means living without externalities – because everything we do, as individuals, organisations or companies has a cost and an environmental impact. There is a clear parallel with healthcare- which requires a deep understanding of how processes and systems act on one another. Now a research project at Geelong hospital in Victoria, Australia aims to extend healthcare models directly into the environment, and vice-versa.

Associate Professor John Agar, the Director of Renal Services at Barwon Health, said:

“Dialysis is the most water and power-hungry of any individual medical therapy.”

Each dialysis patient treatment uses more than 400 litres of water and 6 kWh of electricity. But Geelong is now using water recycling and solar power to afford the same level of care with a far lower environmental impact. Indeed the dialysis department further reduces its cost by selling excess power from its solar panels to the electricity grid. Healthcare meets smart grids. Makes sense. The idea of demand response in dialysis might strike you as somehow unethical, but what could be more ethical than effectively lowering the costs of healthcare to the broadest range of patients? Of course solar power doesn’t make sense in all geographies, but it certainly does in many regions of the world. And there might be alternative, on the Eastern Sea-board, or the UK- namely wind or tidal.

Hat tip to Fresenius Healthcare, the German renal treatment company behind the initiative. Seems the German government feed-in tariffs for solar power are showing real benefits in unexpected areas. Subsidize solar to subsidize healthcare… I said there were no externalities in sustainability, didn’t I?

However – its certainly not all good news for Fresenius. As a major provider of renal care in the US the company has to be horrified by the appalling record of dialysis related deaths. According to a new ProPublica story in the Atlantic.

“Every year, more than 100,000 Americans start dialysis. One in four of them will die within 12 months—a fatality rate that is one of the worst in the industrialized world.

The article is pretty horrific. The problem, sadly, is poor sanitation and an assembly line mentality to healthcare driven by the need to cut costs. Clearly we have a long long way to go before dialysis can be considered properly sustainable… and offer safer outcomes and decent quality of life to patients. Step one to improving margins and so reducing the cost-cutting mentality in dialysis care may well be reducing the costs of water and power.

It really is all connected.

Source: GreenMonk

Water and energy conservation should be embraced in all facets of life.  “Green dialysis” is one those unexpected areas where water consumption and energy use are probably not considered by most people.  This initiative brings environmentally friendly practice into the medical fraternity.  Water consumption in hospitals is bound to be massive; a good case could be made for rainwater collection with the large roof surface areas of most hospitals.  Similarly, large hospital buildings offer ideal mounting points for solar panels.  Another benefit of becoming relatively water- and energy self-sufficient is that during power outages and water supply problems, hospitals will be able to continue functioning without interruption.

Water Rhapsody specializes in water conservation systems that include rainwater harvesting systems,  rainwater tanks and gray water systems (see the benefits of Water Rhapsody’s systems).  Our water systems can be adapted to small households or to large office blocks, hotels, hospitals and schools. Should you have questions about our water systems, see rainwater FAQ and grey water FAQ. Our merge with Yes Solar Mpumalanga enables us to offer high quality, German-made Solsquare solar water heating systems (why buy a solar water heater?).  Yes Solar is an official Solsquare distributor in Mpumalanga (White River / Nelspruit areas).  Solar energy is a great renewable energy source for sunny South Africa.  Solsquare solar geysers are Eskom- and SABS-approved and and are installed by qualified solar installers (our solar water heaters are eligible for substantial Eskom solar geyser rebates).

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