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Complexes between activated protein C and protein C inhibitor measured with a new method: comparison of performance with other markers of hypercoagulability in the diagnosis of deep vein thrombosis

Strandberg, Karin LU ; Astermark, Jan LU ; Björgell, Ola LU ; Becker, Charlotte LU ; Nilsson, Paul E. and Stenflo, Johan LU (2001) In Thrombosis and Haemostasis 86(6). p.1400-1408
Abstract
A first clinical evaluation has been made of the performance of a newly devised immunofluorometric assay for measuring plasma concentrations of activated protein C (APC) in complex with protein C inhibitor (PCI). The method was compared with testing for other markers of hypercoagulability in a case-control study comprising 123 patients with clinical suspicion of deep vein thrombosis (DVT). The diagnosis was confirmed by ascending phlebography, and the thrombotic burden estimated with a newly developed scoring system. Receiver operating characteristics (ROC) curves calculated to demonstrate the discriminatory capacity of the methods, showed the area under the curves (AUCs) to be similar for the APC-PCI and D-dimer methods. However, in... (More)
A first clinical evaluation has been made of the performance of a newly devised immunofluorometric assay for measuring plasma concentrations of activated protein C (APC) in complex with protein C inhibitor (PCI). The method was compared with testing for other markers of hypercoagulability in a case-control study comprising 123 patients with clinical suspicion of deep vein thrombosis (DVT). The diagnosis was confirmed by ascending phlebography, and the thrombotic burden estimated with a newly developed scoring system. Receiver operating characteristics (ROC) curves calculated to demonstrate the discriminatory capacity of the methods, showed the area under the curves (AUCs) to be similar for the APC-PCI and D-dimer methods. However, in contrast to the D-dimer method, the APC-PCI method measures a well-defined analyte, a prerequisite for reliable comparisons of future clinical studies. The APC-PCI method appears to be particularly useful as a marker for detection of recently developed proximal thrombi. (Less)
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author
; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Thrombosis and Haemostasis
volume
86
issue
6
pages
1400 - 1408
publisher
Georg Thieme Verlag
external identifiers
  • pmid:11776306
  • scopus:0035654943
ISSN
0340-6245
language
English
LU publication?
yes
additional info
The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Emergency medicine/Medicine/Surgery (013240200), Clinical Chemistry, Malmö (013016000), Medical Radiology Unit (013241410)
id
3b1cd130-3eca-4464-992c-394abef5208a (old id 1122613)
date added to LUP
2016-04-01 16:09:05
date last changed
2025-01-04 22:45:17
@article{3b1cd130-3eca-4464-992c-394abef5208a,
  abstract     = {{A first clinical evaluation has been made of the performance of a newly devised immunofluorometric assay for measuring plasma concentrations of activated protein C (APC) in complex with protein C inhibitor (PCI). The method was compared with testing for other markers of hypercoagulability in a case-control study comprising 123 patients with clinical suspicion of deep vein thrombosis (DVT). The diagnosis was confirmed by ascending phlebography, and the thrombotic burden estimated with a newly developed scoring system. Receiver operating characteristics (ROC) curves calculated to demonstrate the discriminatory capacity of the methods, showed the area under the curves (AUCs) to be similar for the APC-PCI and D-dimer methods. However, in contrast to the D-dimer method, the APC-PCI method measures a well-defined analyte, a prerequisite for reliable comparisons of future clinical studies. The APC-PCI method appears to be particularly useful as a marker for detection of recently developed proximal thrombi.}},
  author       = {{Strandberg, Karin and Astermark, Jan and Björgell, Ola and Becker, Charlotte and Nilsson, Paul E. and Stenflo, Johan}},
  issn         = {{0340-6245}},
  language     = {{eng}},
  number       = {{6}},
  pages        = {{1400--1408}},
  publisher    = {{Georg Thieme Verlag}},
  series       = {{Thrombosis and Haemostasis}},
  title        = {{Complexes between activated protein C and protein C inhibitor measured with a new method: comparison of performance with other markers of hypercoagulability in the diagnosis of deep vein thrombosis}},
  volume       = {{86}},
  year         = {{2001}},
}