Objectives: This study aims to elucidate the relationship between red blood cell (RBC) count and D-dimer levels in patients with spinal cord injury, with the goal of identifying potential therapeutic targets for minimizing D-dimer levels.
Study Design: An observational, retrospective, cross-sectional, single center study.
Setting: Individuals with SCI (576 cases) admitted to a rehabilitation medicine department.
Outcome Measures: After exclusions, we divided the participants ( = 308) into two groups based on their D-dimer levels: Group 1 (≤0.5 mg/L, = 64) and Group 2 (>0.5 mg/L, = 244). Key variables such as deep vein thrombosis (DVT), anticoagulant therapy, pulmonary infection, injury characteristics, and hematological parameters were analyzed for their association with RBC counts and D-dimer levels.
Results: DVT and anticoagulant therapy emerged as significant covariates. A comprehensive analysis identified a negative linear correlation between RBC counts and D-dimer levels, markedly more pronounced in Group 2. For every 1.00 × 10/L increase in RBC, D-dimer levels decreased by 1.93 mg/L in Group 2, compared to a 0.02 mg/L decrease in Group 1.
Conclusions: Higher RBC counts might be associated with lower D-dimer levels in patients with SCI, especially in those with higher initial D-dimer levels. This association highlights a potential therapeutic focus on managing RBC counts to decrease D-dimer level, which may mitigate the risk of DVT formation in patients with SCI.
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http://dx.doi.org/10.1080/10790268.2025.2452685 | DOI Listing |
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