Contribution of platelets indices in the development of contrast-induced nephropathy

Irfan Sahin1, Ahmet Karabulut, Ilhan Iker Avci

  • 1aDepartment of Cardiology, Bagcilar Public Education and Research Hospital bDepartment of Cardiology, Istanbul Medicine Hospital cDepartment of Cardiology, Siyami Ersek Cardiovascular and Thoracic Surgery Center, Istanbul, Turkey dJohns Hopkins University, Baltimore, Maryland, USA.

Insights

Platelet distribution width (PDW), not mean platelet volume (MPV), is linked to contrast-induced nephropathy (CIN) development in acute coronary syndrome patients. Higher PDW levels independently predict CIN, suggesting platelet activation may play a role.

Area of Science:

  • Nephrology
  • Cardiology
  • Hematology

Background:

  • Contrast-induced nephropathy (CIN) is a significant cause of hospital-acquired renal failure, prolonging hospital stays and predicting poor outcomes.
  • The exact mechanisms underlying CIN remain multifactorial and not fully understood.
  • The association between platelet indices, specifically mean platelet volume (MPV) and platelet distribution width (PDW), and CIN has not been previously investigated.

Purpose of the Study:

  • To investigate the correlation between MPV and PDW levels and the development of CIN in patients with acute coronary syndrome.
  • To identify independent predictors of CIN in this patient population.

Main Methods:

  • A prospective study evaluated 430 patients diagnosed with acute coronary syndrome.
  • CIN incidence was assessed, and initial creatinine, MPV, PDW levels, and contrast media volume were recorded.
  • Univariate and multivariate regression analyses were performed to identify predictors of CIN.

Main Results:

  • The incidence of CIN was 20.5%.
  • Patients who developed CIN had higher initial creatinine, PDW levels, and received a greater total volume of contrast media.
  • Multivariate analysis identified total contrast media volume, age, and increased PDW levels as independent predictors of CIN. MPV was not significantly associated with CIN.

Conclusions:

  • Increased platelet distribution width (PDW) is an independent predictor of contrast-induced nephropathy (CIN) in patients with acute coronary syndrome.
  • Mean platelet volume (MPV) was not found to be associated with CIN development.
  • The findings suggest a potential role for platelet activation in the pathogenesis of CIN, warranting further investigation.

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