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Cystatin C as an index of acute cerebral infraction recurrence: one-year follow-up study
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.
Background And Purpose:
Cystatin C is associated with acute cerebral infarction (ACI). However, the correlation of serum cystatin C level with recurrence of ACI and different subtypes of ACI had not been fully clarified. The aim of this study was to detect the relationship between serum cystatin C level and recurrent ACI in one-year follow-up and different subtypes of ACI.
Methods:
A total of 532 consecutive patients with ACI and 339 healthy controls were included. All ACI patients were followed up for one year, the clinical and biochemical characteristics of ACI and ACI recurrent patients were documented and analyzed.
Results:
A total of 477 (89.7%) patients completed one-year follow-up study, 64 (13.4%) patients suffered ACI recurrence. The results showed serum cystatin C was 1.04 ± 0.19 mg/L and 1.14 ± 0.49 mg/L in control and ACI, respectively (p< .001). The significant risk factors for ACI recurrence were presence of hypertension (p = .009, OR =3.32), diabetes (p =.03, OR =1.87), coronary heart disease (p = .01, OR =2.46), and cystatin C (p = .003, OR =2.87). The risk of ACI recurrence increased with serum cystatin C level. Additionally, cystatin C level was associated with different subtypes of ACI; large-artery atherosclerosis (LAA) subtype had the highest level of cystatin C in ACI and recurrent ACI group.
Conclusions:
Serum cystatin C level is an independent prediction biomarker for ACI recurrence. LAA subtype of ACI and ACI recurrence was more closely related to elevated cystatin C level.
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