Jump to content

S2E7 - APTT, not a one-for-all-purposes reagent

Presented by Audrey Carlo and Cécile Hourquet // Special guest Thomas Flor, product line manager at Stago

Play
Season 2, episode 7
10 min / Published
By Stago

Welcome to Ask Stago, the Podcast dedicated to provide expert answers to your expert questions in coagulation. In today episode, our expert Thomas, is covering with us the usages of APTT testing.  

 

Literature sources: 

  • Toulon, P., Eloit, Y., Smahi, M., Sigaud, C., Jambou, D., Fischer, F. and Appert‐Flory, A. (2016), In vitro sensitivity of different activated partial thromboplastin time reagents to mild clotting factor deficiencies. Int. Jnl. Lab. Hem., 38: 389-396. https://doi.org/10.1111/ijlh.12499
  • CLSI One-stage Prothrombin Time (PT) test and Activated Partial Thromboplastin Time (APTT) test; Approved guideline - second edition. CLSI document H47-A2 Wayne, PA: Clinical and Laboratory Standard Institute, 2008 
  • Levy JH, Szlam F, Wolberg AS, Winkler A. Clinical use of the activated partial thromboplastin time and prothrombin time for screening: a review of the literature and current guidelines for testing. Clin Lab Med. 2014 Sep;34(3):453-77. doi: 10.1016/j.cll.2014.06.005 
  • Kitchen S, Jennings I, Woods TA, Preston FE. Wide variability in the sensitivity of APTT reagents for monitoring of heparin dosage. J Clin Pathol. 1996 Jan;49(1):10-4. doi: 10.1136/jcp.49.1.10. 
  • Gosselin RC, King JH, Janatpour KA, Dager WE, Larkin EC, Owings JT. Comparing direct thrombin inhibitors using aPTT, ecarin clotting times, and thrombin inhibitor management testing. Ann Pharmacother. 2004 Sep;38(9):1383-8. doi: 10.1345/aph.1D565. 
  • Gouin-Thibaut I, Martin-Toutain I, Peynaud-Debayle E, et al. Monitoring unfractionated heparin with APTT: a French collaborative study comparing sensitivity to heparin of 15 APTT reagents. Thrombosis Research. 2012 May;129(5):666-667. DOI: 10.1016/j.thromres.2011.11.016. 
  • Triplett DA. Screening for the lupus anticoagulant. Ricerca in Clinica E in Laboratorio. 1989; 19-379-89 
  • Denis-Magdelaine A et al; Sensitivity of sixteen APTT reagents for the presence of anticoagulant. Haemostasis 1995; 25:98-105/ 
  • Rozen L, Copette F, Noubouossie DF, Demulder A. Evaluation of three APTT reagents in a routine laboratory: toward a compromise. Clin Lab. 2013;59(7-8):921-4. doi: 10.7754/clin.lab.2012.120909 
  • van Rossum, A.P., Vlasveld, L.T., van den Hoven, L.J.M., de Wit, C.W.M. and Castel, A. (2012), False prolongation of the activated partial thromboplastin time (aPTT) in inflammatory patients: interference of C‐reactive protein. Br J Haematol, 157: 394-395. https://doi.org/10.1111/j.1365-2141.2011.08990.x 
  • Gu, J.‐M., Ramsey, P., Evans, V., Tang, L., Apeler, H., Leong, L., Murphy, J.E., Laux, V. and Myles, T. (2014), Evaluation of the activated partial thromboplastin time assay for clinical monitoring of PEGylated recombinant factor VIII (BAY 94‐9027) for haemophilia A. Haemophilia, 20: 593-600. https://doi.org/10.1111/hae.12374
  • Hillarp A, Bowyer A, Ezban M, Persson P, Kitchen S. Measuring FVIII activity of glycopegylated recombinant factor VIII, N8-GP, with commercially available one-stage clotting and chromogenic assay kits: a two-centre study. Haemophilia. 2017 May;23(3):458-465. doi: 10.1111/hae.13168. 
  • Ezban M, Hansen M, Kjalke M. An overview of turoctocog alfa pegol (N8-GP; ESPEROCT® ) assay performance: Implications for postadministration monitoring. Haemophilia. 2020;26(1):156-163. doi:10.1111/hae.13897 

Related podcasts: 

____________________________________________________________________________________________________________

Content is scientific and technical in nature. It is intended as an educational tool for laboratory professionals and topics discussed are not intended as recommendations or as commentary on appropriate clinical practice. 

The show team
audrey.carlo
audrey.carlo
Animatrice
Cecile Hourquet
Cecile Hourquet
Animatrice
Episode ratings
Please log in or sign-up to rate this episode.
Episode comments

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
What do you think about this episode? Leave a comment!

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×

Important Information

By using this website, you accept the use of cookies in accordance with our Privacy Policy.