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Objective:To prospectively assess clinical characteristics, potential causes and prognosis in patients with persistent inflammation, immunosuppression and catabolism syndrome (PICS) after polytrauma.Methods:Totally 1 083 patients with polytrauma admitted to Department of Traumatic Surgery of Tongji Hospital from Janury 2019 to July 2020 were enrolled. Exclusion criteria included age<18 years old, length of hospital stay<15 days, previous medical history of malignancy, or immunological, consumptive, and metabolic diseases. According to the diagnostic criteria of PICS, all enrolled patients were divided into two groups: PICS group and N-PICS group (without PICS). The patient’s clinical characteristics, ISS score, GCS score, SOFA score, and prognosis were collected. The χ2 test or Student’s t test was uesd to compare the difference between the PICS group and N-PICS group. Results:The incidence of PICS in patients with polytrauma was 11.7% (127/1 083). The majority of PICS patients were middle-aged and elderly men, 68.5% with traumatic brain injury and 59% with thoracic injury. GCS score was significantly lower, while ISS, APACHE II and SOFA scores were significantly higher in the PICS group than in the N-PICS group ( P<0.01, P<0.05). Among PICS patients, 79.5% were treated with mechanical ventilation and 76.3% were associated with pulmonary infection, with a 28-day mortality of 5.5% and a 180-day mortality of 16.5%, which were siginifcantly different from those without PICS. Conclusions:PICS has a high incidence after polytrauma and is commonly seen in middle-aged and elderly male patients with severe polytrauma, especially accompanied by traumatic brain injury or/and thoracic injury. Patients with PICS after polytrauma have poor long-term prognosis, so early identification and intervention should be strengthened in clinical practice.
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Objective:To retrospectively assess the relationship between immune disorder and acute gastrointestinal injury (AGI) in patients after severe polytrauma.Methods:Totally 205 patients with severe polytrauma admitted to Tongji Hospital from April 2018 to October 2019 were enrolled as the observation group, and 23 healthy volunteers were served as the control group. According to the diagnostic criteria of AGI, all patients were divided into the AGI group (with AGI) or N-AGI group (without AGI), AGI patients were divided into the S-AGI group or L-AGI group according to the severity. The levels of cytokines and lymphocyte subset were evaluated at day 1, 7, and 14 after severe polytrauma. The differences between groups were statistically analyzed. The independent risk factors of AGI were analyzed by Logistic regression analyzed.Results:Totally 79.5% (163/205) of patients with severe polytrauma were accompanied by AGI. There were significant differences in the ratio of Tc, Th at day 1 after trauma, the levels of IL-6, TNF-α, IL-8, IL-10, the ratio of Ts, Th/Ts, Treg at day 7 after trauma, and the levels of IL-8, IL-10,the ratio of Ts, Th/Ts, Treg at day 14 after trauma between the AGI group and N-AGI group ( P<0.05). There were significant differences in the ratio of Tc, Th, the levels of IL-6, TNF-α at day 1 after trauma and the ratio of Ts, Th/Ts, Treg, the levels of IL-8, IL-10 at day 7 and 14 after trauma between the S-AGI group and L-AGI group ( P<0.05). Logistic regression analysis showed that Ts 7 d ( OR=2.018, 95% CI: 1.105-5.364, P=0.013), Treg 14 d ( OR=3.612, 95% CI: 1.375-8.476, P=0.006), IL-6 7 d ( OR=1.824, 95% CI: 1.011-5.835, P=0.024), IL-10 14 d ( OR=2.847, 95% CI: 1.241-6.216, P=0.014), TNF-α 7 d ( OR=1.754, 95% CI: 1.215-5.441, P=0.018) were independent risk factors in patients with AGI after severe polytrauma. Conclusions:AGI is more easily occurred in patients with the heavier immune disorders after severe polytrauma. AGI can also aggravate pre-existing immune disorders in patients after severe polytrauma.
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Objective:To retrospectively assess the occurrence and risk factors in patients with acute gastrointestinal injury (AGI) after polytrauma.Methods:Totally 430 patients with polytrauma admitted to Tongji Hospital from April 2018 to October 2019 were enrolled as the observation group. According to the diagnostic criteria of AGI, all patients were divided into the AGI group (with AGI) or N-AGI group (without AGI). The patients with abdominal injury or previously suffered from gastrointestinal disease were excluded. The patient's clinical characteristics lab tests results, and the first ISS, APACHEⅡ, SOFA and GCS scores were collected. The differences between different groups were statistically analyzed. The independent risk factors of AGI were analyzed by Logistic regression.Results:65.3% of patients with polytrauma were accompanied by AGI (281/430 cases).There were significant differences between the AGI group and N-AGI group in ISS, GCS, APACHE Ⅱ and SOFA score, PCT or IL-6 level, shock index and length of stay in ICU ( P<0.05). Logistic regression analysis showed that shock, ISS≥16, APACHE Ⅱ≥16, SOFA≥5, GCS≤8 and IL-6>50 pg/mL were the early independent risk factors in patients with ACI after polytrauma. Conclusion:The incidence of AGI in patients after polytrauma is higher, which is related to ischemia, hypoxia, abnormal blood coagulation and stress in the early stage after trauma.