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Re: Dialysis, The new trends. [Re: ariel dulay] #73383
Joined: Feb 2009
Posts: 1,794
Jeddah, Saudi Arabia
Neil Porter Offline
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Neil Porter  Offline
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Joined: Feb 2009
Posts: 1,794
Jeddah, Saudi Arabia
Geoff, all depends on the quality of the incoming water, un-used water from the loop is returned to the system via the hot water tank. Hopefully in Arials case I hope that they are not using UV as a form of sterilization as this is a major source of endotoxins.


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Re: Dialysis, The new trends. [Re: Neil Porter] #73385
Joined: Feb 2004
Posts: 13,492
the path less trodden
Geoff Hannis Offline
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Geoff Hannis  Offline
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Joined: Feb 2004
Posts: 13,492
the path less trodden

As an aside, I have (had) always found the water treatment side of dialysis very interesting; although my own involvement (a very long time ago now, Neil - and even before we met) was in support of a number of small AKU's in desert locations.

I recall lots of pump failures and so forth (simple stuff, but inexcusable really). As you must remember, the incoming water supply from the baladiya was often of "poor" quality and sometimes intermittent; I seem to remember on occasion having to bring in tankers (trucks) full of so-called "sweet water". All a bit ad-hoc perhaps, but it was very much "needs must" at the time.

I don't remember any UV sterilization in those AKU's, though. If I remember rightly (and I may still have my old notebook - the pen and paper type, that is) it was all done via Reverse Osmosis (Permeator?); but I seem to recall "salts" (softener?) being involved as well. Also a storage tank, of course - and a 5 micron (I think it was) filter before each of the dialysis units. All a bit crude back then (and there), no doubt. smile

Re: Dialysis, The new trends. [Re: Geoff Hannis] #73394
Joined: Feb 2009
Posts: 1,794
Jeddah, Saudi Arabia
Neil Porter Offline
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Neil Porter  Offline
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Joined: Feb 2009
Posts: 1,794
Jeddah, Saudi Arabia
Geoff, after all the softeners, Filters and the RO some people thought it would be wise to incorporate a UV filtration system to the output of the RO, thus killing any residual bacteria but creating endotoxins. You can still see diagrams on google with this type of filtration.


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Re: Dialysis, The new trends. [Re: Neil Porter] #73425
Joined: Sep 2010
Posts: 379
Philippines
ariel dulay Offline OP
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ariel dulay  Offline OP
Sage
Joined: Sep 2010
Posts: 379
Philippines
Originally Posted by Neil Porter
Geoff, after all the softeners, Filters and the RO some people thought it would be wise to incorporate a UV filtration system to the output of the RO, thus killing any residual bacteria but creating endotoxins. You can still see diagrams on google with this type of filtration.


Boss Neil kindly explain further why you mention that UV filtration can cause endotoxins.

For curiuosity, are UV light that installed at the end of the R.O. system and UV filtration that you mention are the same?


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Re: Dialysis, The new trends. [Re: ariel dulay] #73426
Joined: Sep 2010
Posts: 379
Philippines
ariel dulay Offline OP
Sage
ariel dulay  Offline OP
Sage
Joined: Sep 2010
Posts: 379
Philippines

HEMODIALYSIS (HD) VS HEMODIAFILTRATION(HDF)

- any idea?
- what are the dis advantage and advantage?


--- PATIENT SAFETY FIRST ---
Re: Dialysis, The new trends. [Re: ariel dulay] #73427
Joined: Feb 2009
Posts: 1,794
Jeddah, Saudi Arabia
Neil Porter Offline
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Neil Porter  Offline
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Joined: Feb 2009
Posts: 1,794
Jeddah, Saudi Arabia
Clinical question not engineering


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Re: Dialysis, The new trends. [Re: ariel dulay] #73432
Joined: Feb 2009
Posts: 1,794
Jeddah, Saudi Arabia
Neil Porter Offline
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Neil Porter  Offline
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Joined: Feb 2009
Posts: 1,794
Jeddah, Saudi Arabia
"Boss Neil kindly explain further why you mention that UV filtration can cause endotoxins.

For curiosity, are UV light that installed at the end of the R.O. system and UV filtration that you mention are the same?"

They are the same, and we don't install them. Google endotoxins as there is a large amount of information. If your RO plant has a UV filter at the output then you should upgrade.


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Re: Dialysis, The new trends. [Re: ariel dulay] #73434
Joined: Aug 2005
Posts: 14
New Cross Hospital
Roger Moore Offline
Novice
Roger Moore  Offline
Novice
Joined: Aug 2005
Posts: 14
New Cross Hospital
Hi Ariel

A very good website for discussion forum and all things renal is:

https://www.renaltech.net

Best wishes

Roger

Re: Dialysis, The new trends. [Re: ariel dulay] #73439
Joined: Aug 2005
Posts: 14
New Cross Hospital
Roger Moore Offline
Novice
Roger Moore  Offline
Novice
Joined: Aug 2005
Posts: 14
New Cross Hospital
Another excellent source of information including guidelines is the Renal Association:

https://renal.org/

https://renal.org/wp-content/upload...12647da131181561659443ff000014d4d8-2.pdf

Regards

Roger

Re: Dialysis, The new trends. [Re: ariel dulay] #73468
Joined: Sep 2010
Posts: 379
Philippines
ariel dulay Offline OP
Sage
ariel dulay  Offline OP
Sage
Joined: Sep 2010
Posts: 379
Philippines
Thanks all of you Folks your input is highly Appreciated..


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