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Medical Forum / General / Laboratory / November 2004automated D-Dimers
We are about to switch from slide agglutination to D-Dimers on a mini-vidas (sp). Those of you doing automated D-Dimers: 1 What are you using? 2 Any advise? Thanks ?"The struggle of today is not entirely for today, but for a vast future." Abraham Lincoln > We are about to switch from slide agglutination to D-Dimers on a > mini-vidas [quoted text clipped - 4 lines] > ?"The struggle of today is not entirely for today, but for a vast future." > Abraham Lincoln Personally I can't help but think that absolutely anything at all (including random guessing) is better than the doubling dilutions & a range of 1000 - 2000. We're doing pissy slide agglutinations at the moment !!! Can't wait to automate it > We are about to switch from slide agglutination to D-Dimers on a mini-vidas > (sp). Those of you doing automated D-Dimers: 1 What are you using? 2 Any > advise? Thanks > > ?"The struggle of today is not entirely for today, but for a vast future." > Abraham Lincoln We use the Sysmex CA 1500 for doing auto D-Dimers. We did clinical correlation studies with the ER involving R/O PE. A positive predictive value was calculated and is used in our reports as a reference range along with the higher values normally associated with DIC. The controls we originally used were the controls we use with normally on PT and PTT. That didn't work too well so we switched to a more stable less erratic dedicated low and high D Dimer controls. We also have a CA-1500. I froze about 40 negative (via slide agglutination) specimens in hopes of verifying the negative predictive values on the CA-1500 curve. I could not get pasted the ultrasound or nuclear medicine docs saying hipa Hipa HIpa HIPa HIPA. Our pathologist would not help so all the reagents went to waste, and I am on to the mini vidas that does not have the same FDA requirement for NPV.  Signature?"I believe that forgiving [terrorists] is God's function. Our job is to arrange the meeting." - Norman Schwartzkopf "The struggle of today is not entirely for today, but for a vast future." Abraham Lincoln Sometimes, peace is another name for surrender. Ok, lets get those derricks up on the North slope, now that Daschle is gone---K. Kuhn ----------------------------------------------- > > > We are about to switch from slide agglutination to D-Dimers on a [quoted text clipped - 13 lines] > and PTT. That didn't work too well so we switched to a more stable less > erratic dedicated low and high D Dimer controls. > We are about to switch from slide agglutination to D-Dimers on a mini-vidas > (sp). Those of you doing automated D-Dimers: 1 What are you using? 2 Any > advise? Thanks > > ?"The struggle of today is not entirely for today, but for a vast future." > Abraham Lincoln The mini-vidas works well. Calibrations are simple enough, it is easy to maintain. Controls are rock steady. I think you will like the change. For those of you who are struggling with trying to obtain cutoff values for the Sysmex CA1500. Our CAS sent me an email regarding FDA approval of a cutoff of 1.0 for d-dimers testing on the 1500. Now I can stop reviewing charts!!! > > We are about to switch from slide agglutination to D-Dimers on a mini-vidas > > (sp). Those of you doing automated D-Dimers: 1 What are you using? 2 Any [quoted text clipped - 5 lines] > The mini-vidas works well. Calibrations are simple enough, it is easy > to maintain. Controls are rock steady. I think you will like the change. That is good news, but a little late for me. SignatureDetective Tom Polhaus: " Heavy. What is it?" Sam Spade: "The, uh, stuff that dreams are made of." > For those of you who are struggling with trying to obtain cutoff > values for the Sysmex CA1500. Our CAS sent me an email regarding FDA [quoted text clipped - 10 lines] > > The mini-vidas works well. Calibrations are simple enough, it is easy > > to maintain. Controls are rock steady. I think you will like the change. Great, thanks. SignatureDetective Tom Polhaus: " Heavy. What is it?" Sam Spade: "The, uh, stuff that dreams are made of." > > We are about to switch from slide agglutination to D-Dimers on a mini-vidas > > (sp). Those of you doing automated D-Dimers: 1 What are you using? 2 Any [quoted text clipped - 5 lines] > The mini-vidas works well. Calibrations are simple enough, it is easy > to maintain. Controls are rock steady. I think you will like the change. |
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