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<p>Increased tissue factor pathway inhibitor (TFPI) has been associated with cardiovascular disease (CVD). We aim to evaluate the predictive capability of TFPI for atherothrombotic events (ATE) in patients with chronic kidney disease (CKD) and diabetes. A prospective observational study was performed at Northern Health, Australia. Patients with CKD (estimated glomerular filtration ratio (eGFR) &lt; 30&#xa0;ml/min/1.73m<sup>2</sup>) and/or diabetes were recruited. Baseline total TFPI was measured and the median follow-up was 3.35 years. All patients with egfr &lt; 30&#xa0;ml/min/1.73m<sup>2</sup> were analysed as CKD cohort while the diabetes cohort analysis excluded those with egfr &lt; 30&#xa0;ml/min/1.73m<sup>2</sup>. The primary outcome was ATE (myocardial infarction, stroke/transient ischaemic attack, critical limb ischaemia or sudden cardiac death). 220 patients were recruited, median age 63.5 years (IQR 51.0, 72.5) and 59.1% males (<i>n</i> = 130). No differences were seen in TFPI levels between the CKD (<i>n</i> = 77) and diabetes (<i>n</i> = 143) cohorts (35.4 vs. 36.4 ng/mL, <i>p</i> = 0.44). TFPI did not correlate with creatinine or HbA1c levels. 46 episodes of ATE were captured (6.69/100-person years (100PY)), with a higher rate in the CKD compared to the diabetes cohort (16.03/100PY vs. 2.53/100PY). In the CKD cohort, those who experienced ATE had higher TFPI with an optimal calculated cut-off (61.36ng/mL) associated with a subhazard ratio of 3.23 (95%CI 1.59–6.57). In the diabetes cohort however, TFPI was not significantly higher in those who experience ATE (40.1 vs. 34.4ng/mL, <i>p</i> = 0.35). We found elevated TFPI may predict prospective ATE, particularly in patients with CKD. While further validation studies are required, these findings highlight that coagulation changes may differ between high-risk CVD populations.</p>

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Tissue factor pathway inhibitor levels and atherothrombotic events in patients with chronic kidney disease or diabetes

  • 期刊论文

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  • 发表日期：

    2025年3月10日

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  • Rowena Brook,
  • Mani Suleiman,
  • Joseph Rigano,
  • Brandon Lui,
  • Harshal Nandurkar,
  • Prahlad Ho,
  • Hui Yin Lim

摘要

Increased tissue factor pathway inhibitor (TFPI) has been associated with cardiovascular disease (CVD). We aim to evaluate the predictive capability of TFPI for atherothrombotic events (ATE) in patients with chronic kidney disease (CKD) and diabetes. A prospective observational study was performed at Northern Health, Australia. Patients with CKD (estimated glomerular filtration ratio (eGFR) < 30 ml/min/1.73m2) and/or diabetes were recruited. Baseline total TFPI was measured and the median follow-up was 3.35 years. All patients with egfr < 30 ml/min/1.73m2 were analysed as CKD cohort while the diabetes cohort analysis excluded those with egfr < 30 ml/min/1.73m2. The primary outcome was ATE (myocardial infarction, stroke/transient ischaemic attack, critical limb ischaemia or sudden cardiac death). 220 patients were recruited, median age 63.5 years (IQR 51.0, 72.5) and 59.1% males (n = 130). No differences were seen in TFPI levels between the CKD (n = 77) and diabetes (n = 143) cohorts (35.4 vs. 36.4 ng/mL, p = 0.44). TFPI did not correlate with creatinine or HbA1c levels. 46 episodes of ATE were captured (6.69/100-person years (100PY)), with a higher rate in the CKD compared to the diabetes cohort (16.03/100PY vs. 2.53/100PY). In the CKD cohort, those who experienced ATE had higher TFPI with an optimal calculated cut-off (61.36ng/mL) associated with a subhazard ratio of 3.23 (95%CI 1.59–6.57). In the diabetes cohort however, TFPI was not significantly higher in those who experience ATE (40.1 vs. 34.4ng/mL, p = 0.35). We found elevated TFPI may predict prospective ATE, particularly in patients with CKD. While further validation studies are required, these findings highlight that coagulation changes may differ between high-risk CVD populations.