Low levels of tissue factor pathway inhibitor increase the risk of cerebral venous thrombosis

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Shaghayegh Haghjooy Javanmard1, Tayebeh Shahsavarzadeh1, Mohammad Saadatnia2

  • 1Department of Physiology, Applied Physiology Research Center, Isfahan University of Medical Sciences, Hezar Jerib Avenue, Isfahan, Iran.

Advanced Biomedical Research
|January 28, 2015
PubMed

Insights

Reduced levels of tissue factor pathway inhibitor (TFPI) are linked to an increased risk of cerebral venous and sinus thrombosis (CVST). This study found significantly lower TFPI in CVST patients compared to healthy individuals.

Area of Science:

  • Hematology
  • Thrombosis Research
  • Vascular Medicine

Background:

  • Tissue factor pathway inhibitor (TFPI) deficiency is a known risk factor for deep venous thrombosis and coronary heart disease.
  • The association between TFPI levels and cerebral venous and sinus thrombosis (CVST) has not been previously established.
  • Understanding TFPI's role in CVST is crucial for identifying novel risk factors.

Purpose of the Study:

  • To investigate plasma levels of TFPI in patients diagnosed with CVST.
  • To compare TFPI concentrations between CVST patients and a healthy control group.
  • To assess the association between TFPI levels and the risk of developing CVST.

Main Methods:

  • Plasma TFPI levels were quantified using enzyme-linked immunoassay in 20 CVST patients and 31 healthy controls.
  • Statistical analysis included Student's t-test for group comparisons.
  • Multiple logistic regression was employed to calculate odds ratios for CVST risk associated with TFPI levels.

Main Results:

  • Mean TFPI levels were significantly lower in the CVST group (8.60 ± 4.05 ng/mL) compared to the control group (14.6 ± 8.6 ng/mL; P = 0.005).
  • Individuals with low TFPI levels (below the 25th percentile) exhibited an odds ratio of 5.429 for CVST (95% CI, 1.487-19.82; P = 0.012).

Conclusions:

  • Reduced TFPI concentration is a potential risk factor for CVST.
  • Lower TFPI levels are associated with an increased likelihood of developing CVST.
  • These findings highlight TFPI as a significant factor in the pathophysiology of CVST.
Abstract

Keywords:
Cerebral venoussinus thrombosistissue factor pathway inhibitor

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