Cystatin C as an index of acute cerebral infraction recurrence: one-year follow-up study

Xiaoyu Dong1, Jianfei Nao1

  • 1a Department of Neurology , Shengjing Hospital of China Medical University , Shenyang , Liaoning , PR China.

Insights

Serum cystatin C is a key predictor of acute cerebral infarction (ACI) recurrence. Elevated levels are linked to higher recurrence risk and the large-artery atherosclerosis subtype.

Area of Science:

  • Neurology
  • Biochemistry
  • Cardiovascular Medicine

Background:

  • Cystatin C is implicated in acute cerebral infarction (ACI).
  • The precise relationship between serum cystatin C levels and ACI recurrence or specific ACI subtypes remains unclear.

Purpose of the Study:

  • To investigate the association between serum cystatin C levels and the recurrence of ACI over a one-year follow-up period.
  • To explore the correlation of serum cystatin C levels with different subtypes of ACI.

Main Methods:

  • A cohort of 532 ACI patients and 339 healthy controls were analyzed.
  • ACI patients underwent a one-year follow-up to document clinical and biochemical characteristics, including recurrence events.

Main Results:

  • Of 477 patients completing follow-up, 64 experienced ACI recurrence.
  • Serum cystatin C levels were significantly higher in ACI patients compared to controls (p < .001).
  • Independent risk factors for ACI recurrence included hypertension, diabetes, coronary heart disease, and elevated cystatin C (p = .003, OR = 2.87).
  • Higher serum cystatin C levels correlated with increased ACI recurrence risk.
  • The large-artery atherosclerosis (LAA) subtype showed the highest cystatin C levels in both ACI and recurrent ACI groups.

Conclusions:

  • Serum cystatin C serves as an independent predictive biomarker for ACI recurrence.
  • Elevated cystatin C levels are strongly associated with the LAA subtype of ACI and ACI recurrence.
Abstract

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