Journal of medical biochemistry · 2026
Association of serum inflammatory factors and hematologic parameters with lower limb deep vein thrombosis in neurocritical patients: A retrospective cohort study.
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Zhu Yunqiu, Wang Chun, Wang Jia, Shi Tian, Tang Weijie, Zhou Huaping, Guo Wanfei, Mei Hongbin, Bo Jixiang
Аннотация
BACKGROUND: The aim of this study was to investigate the mechanisms of postoperative deep vein thrombosis (DVT) of the lower extremities in neurocritical care patients, focusing on the interaction of inflammatory factors [D-dimer (DD), prothrombin time (PT), blood cell parameters (lymphocytes, platelets, plateletcrit) and coagulation function.
METHODS: A retrospective cohort study design was used to include 261 neurocritical care patients who underwent surgery between August 2019 and August 2021. They were categorized into DVT group (n = 121) and non-DVT group (n = 140) based on postoperative lower limb Doppler ultrasound findings. Preoperative coagulation indices (TT, DD), inflammatory markers [C reactive protein (CRP), procalcitonin (PCT), fibrinogen (FIB)], and blood cell parameters (hemoglobin, neutrophils, lymphocytes, platelet counts, and plateletcrit) were collected from the patients.
RESULTS: DD levels were significantly higher and TT shorter in the DVT group than in the non-DVT group (P< 0.05); DD was positively correlated with PT-INR (P< 0.001). In addition, lymphocyte and plateletcrit were significantly lower in the DVT group (P< 0.05). Multifactorial analysis showed that age (OR = 1.027), days of hemostatic medication (OR = 1.203), postoperative infections (OR= 2.728), elevated DD (OR = 1.056), and shortened TT (OR = 0.840) were independent risk factors (P< 0.05).
CONCLUSIONS: The development of DVT in neurocritical patients is the result of a combination of hypercoagulation, inflammatory response, and immunosuppression.
METHODS: A retrospective cohort study design was used to include 261 neurocritical care patients who underwent surgery between August 2019 and August 2021. They were categorized into DVT group (n = 121) and non-DVT group (n = 140) based on postoperative lower limb Doppler ultrasound findings. Preoperative coagulation indices (TT, DD), inflammatory markers [C reactive protein (CRP), procalcitonin (PCT), fibrinogen (FIB)], and blood cell parameters (hemoglobin, neutrophils, lymphocytes, platelet counts, and plateletcrit) were collected from the patients.
RESULTS: DD levels were significantly higher and TT shorter in the DVT group than in the non-DVT group (P< 0.05); DD was positively correlated with PT-INR (P< 0.001). In addition, lymphocyte and plateletcrit were significantly lower in the DVT group (P< 0.05). Multifactorial analysis showed that age (OR = 1.027), days of hemostatic medication (OR = 1.203), postoperative infections (OR= 2.728), elevated DD (OR = 1.056), and shortened TT (OR = 0.840) were independent risk factors (P< 0.05).
CONCLUSIONS: The development of DVT in neurocritical patients is the result of a combination of hypercoagulation, inflammatory response, and immunosuppression.