566
Views
0
CrossRef citations to date
0
Altmetric
Original Article

The microINR portable coagulometer: analytical quality and user-friendliness of a PT (INR) point-of-care instrument

, , , , , , , , , , , , , , , , , & show all
Pages 115-121 | Received 15 May 2016, Accepted 04 Dec 2016, Published online: 02 Feb 2017

References

  • Velkommen til Reseptregisteret [Welcome to the Prescription Registry]. 2015. [last accessed 2 Dec 2016]. Available from: http://www.reseptregisteret.no/
  • Lind M, Fahlen M, Kosiborod M, Eliasson B, Oden A. Variability of INR and its relationship with mortality, stroke, bleeding and hospitalisations in patients with atrial fibrillation. Thromb Res 2012;129:32–5.
  • Solvik UO, Lokkebo ES, Kristoffersen AH, Stavelin AV, Binder S, Sandberg S. Self-management of warfarin therapy. Tidsskr nor Laegeforen 2015;135:849–53.
  • The organisation of SKUP. [last accessed 2 Mar 2016]. Available from: http://skup.nu/
  • Christensen N, Monsen G, Sandberg S. Utprøvning av analyseinstrumenter: Alma Maters Forlag [Evaluation of analytical equipment]; 1997.
  • NPU Terminology. 2015. [last accessed 3 May 2016]. Available from: http://www.npu-terminology.org/
  • Search the NPU terminology. [last accessed 2 Apr 2016]. Available from: http://www.ifcc.org/ifcc-scientific-division/sd-committees/c-npu/npusearch/
  • Breivik AC. 2015. microINR portable coagulometer – a system for measurement P—Prothrombin time (INR) manufactured by iLine Microsystems S.L. Report from the evaluation SKUP/2015/109 organised by SKUP at the request of iLine Microsystems S.L. SKUP evaluations. [last accessed SKUP/2015/109]. Available from: skup.nu
  • Allington MJ. Owren’s method for the control of anticoagulant therapy. J Clin Pathol 1958;11:62–8.
  • Horsti J. Agreement of Owren and Quick prothrombin times: effects of citrate and calcium concentrations and international sensitivity index correction. Clin Chem 2001;47:940–4.
  • Hillarp A, Egberg N, Nordin G, Stigendal L, Fagerberg I, Lindahl TL. Local INR calibration of the Owren type prothrombin assay greatly improves the intra- and interlaboratory variation. A three-year follow-up from the Swedish national external quality assessment scheme. Thromb Haemost 2004;91:300–7.
  • Lindahl TL, Egberg N, Hillarp A, Odegaard OR, Edlund B, Svensson J, Sandset PM, Ranby M. INR calibration of Owren-type prothrombin time based on the relationship between PT% and INR utilizing normal plasma samples. Thromb Haemost 2004;91:1223–31.
  • Baglin T, Luddington R. Reliability of delayed INR determination: implications for decentralized anticoagulant care with off-site blood sampling. Br J Haematol 1997;96:431–4.
  • Kallner A. Laboratory statistics – handbook of formulas and terms. Amsterdam, The Netherlands: Elsevier; 2014.
  • Burnett RW. Accurate estimation of standard deviations for quantitative methods used in clinical chemistry. Clin Chem 1975;21:1935–8.
  • International vocabulary of metrology: basic and general concepts and associated terms (VIM). 3rd ed. 2012. Sèvres CedeX, France: Joint Committee for Guides in Metrology (JCGM). Available from: http://www.bipm.org/en/publications/guides/vim.html
  • Clinical laboratory testing and in vitro medical devices – requirements for in vitro monitoring systems for self-testing of oral anticoagulant therapy; 2007.
  • Kjeldsen J, Lassen JF, Petersen PH, Brandslund I. Biological variation of International Normalized Ratio for prothrombin times, and consequences in monitoring oral anticoagulant therapy: computer simulation of serial measurements with goal-setting for analytical quality. Clin Chem 1997;43:2175–82.
  • CoaguChek® XS – a system for measurement of prothrombin time [P—PT (INR)] manufactured by Roche Diagnostics. Report from an evaluation under standardised and optimal conditions in a hospital laboratory and in primary heath care organised by SKUP Scandinavian evaluation of laboratory equipment for primary healthcare; 2007.
  • Jacobsen CE, Simple Simon PT – a system for measurement of P—Prothrombin time (INR) manufactured by Zafena AB, Sweden. MixxoCap – a device for collection and handling of capillary samples manufactured by Zafena AB, Sweden, Norway; 2011.
  • Jacobsen CE, The ProTime InRhythm System – a system for measurement of P—PT (INR) manufactured by International Technidyne Corporation (ITC), Norway; 2014.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.