Inflammation and Cardiovascular Risk: A Systematic Review of High-Sensitivity CRP as a Prognostic Indicator

Syeda Umm E Abeeha Zaidi1, Ahmad Mohammad2, Ishtiaq Ahmad3

  • 1Internal Medicine, Islamabad Medical & Dental College, Islamabad, PAK.

Cureus
|March 16, 2026
PubMed

Insights

High-sensitivity C-reactive protein (hs-CRP) predicts cardiovascular events in type 2 diabetes patients. Elevated hs-CRP indicates higher risk, independent of traditional factors, suggesting inflammation

Area of Science:

  • Cardiovascular Medicine
  • Endocrinology
  • Inflammation Biology

Background:

  • Type 2 diabetes is a major risk factor for cardiovascular disease (CVD).
  • Inflammation plays a critical role in the pathogenesis of diabetic complications.
  • Current risk prediction models may not fully capture residual cardiovascular risk.

Purpose of the Study:

  • To systematically review the prognostic value of high-sensitivity C-reactive protein (hs-CRP) in predicting cardiovascular outcomes in individuals with type 2 diabetes.
  • To assess whether hs-CRP provides incremental predictive information beyond traditional risk factors.
  • To explore the potential role of hs-CRP in risk stratification and guiding therapeutic strategies.

Main Methods:

  • Systematic review of prospective cohort studies.
  • Inclusion of studies evaluating hs-CRP and cardiovascular outcomes in type 2 diabetes populations.
  • Analysis of prognostic performance, including adjustment for conventional risk factors.

Main Results:

  • Elevated hs-CRP levels consistently predict major adverse cardiovascular events and vascular mortality in type 2 diabetes.
  • hs-CRP retains independent prognostic value, even after accounting for glycemic control, lipids, and blood pressure.
  • hs-CRP may reflect systemic inflammation and impaired recovery, contributing to residual cardiovascular risk.

Conclusions:

  • hs-CRP is a clinically significant biomarker for cardiovascular risk in type 2 diabetes.
  • Inflammation, as indicated by hs-CRP, is an independent and potentially modifiable determinant of cardiovascular outcomes.
  • Integrating hs-CRP into risk assessment may improve personalized prevention strategies for diabetic patients.

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