International journal of general medicine · 2025
Inverse Association Between D-Dimer Levels and Glasgow Coma Scale Scores in Hemorrhagic Stroke Patients: A Cross-Sectional Study.
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Dai Dapeng, Sun Yong, Zhang Hongwei, Li Aimin
Аннотация
AIM: Hemorrhagic stroke (HS) represents one of the major causes of death in China. The research work focuses on the correlation between Glasgow Coma Scale (GCS) score and D-dimer level, and the role of modified factors such as platelet count in HS patients.
METHODS: This was a cross-sectional study that was conducted at the First People's Hospital of Lianyungang, Lianyungang City, China. HS Patients were divided into three groups according to their GCS scores: GCS < 9 (severe, n = 43), 9 ≤ GCS < 13 (moderate, n = 97), and GCS ≥ 13 (mild, n = 487).
RESULTS: The analysis comprised 627 participants. D-dimer levels were 142.0 ng/mL on average. The average GCS score was 13.6, and the average age was 61.0 years. The three GCS groups showed significant differences in D-dimer concentrations, diastolic blood pressure (DBP), and systolic blood pressure (SBP) (P < 0.001, P = 0.028, and P = 0.005, respectively). Among severe GCS scores (<9), the D-dimer level was the highest at 237.0 ng/mL. After adjustment for possible confounders, the D-dimer concentrations were significantly lower in the moderate and mild GCS groups than in the severe group (P = 0.030 and P = 0.038, respectively). In the stratified analysis, the association between GCS categories and D-dimer levels was stronger among participants with low platelet counts (<194 × 10^9/L; P for interaction = 0.017).
CONCLUSION: This study reveals a significant inverse association between D-dimer levels and GCS scores in HS patients, especially those with lower platelet counts. Elevated D-dimer levels may reflect coagulation and fibrinolysis activation, contributing to worse outcomes. Clinically, more attention and monitoring should be paid to the HS patients with elevated D-dimer levels.
METHODS: This was a cross-sectional study that was conducted at the First People's Hospital of Lianyungang, Lianyungang City, China. HS Patients were divided into three groups according to their GCS scores: GCS < 9 (severe, n = 43), 9 ≤ GCS < 13 (moderate, n = 97), and GCS ≥ 13 (mild, n = 487).
RESULTS: The analysis comprised 627 participants. D-dimer levels were 142.0 ng/mL on average. The average GCS score was 13.6, and the average age was 61.0 years. The three GCS groups showed significant differences in D-dimer concentrations, diastolic blood pressure (DBP), and systolic blood pressure (SBP) (P < 0.001, P = 0.028, and P = 0.005, respectively). Among severe GCS scores (<9), the D-dimer level was the highest at 237.0 ng/mL. After adjustment for possible confounders, the D-dimer concentrations were significantly lower in the moderate and mild GCS groups than in the severe group (P = 0.030 and P = 0.038, respectively). In the stratified analysis, the association between GCS categories and D-dimer levels was stronger among participants with low platelet counts (<194 × 10^9/L; P for interaction = 0.017).
CONCLUSION: This study reveals a significant inverse association between D-dimer levels and GCS scores in HS patients, especially those with lower platelet counts. Elevated D-dimer levels may reflect coagulation and fibrinolysis activation, contributing to worse outcomes. Clinically, more attention and monitoring should be paid to the HS patients with elevated D-dimer levels.