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find Author "WANGZhu-jun" 3 results
  • Investigation on the Correlation between Tumor Necrosis Factor-α, Interleukin-6, Phospholipase A2 and Acute Myocardial Cell Function Disorders after Severe Chest-abdomen Injury

    ObjectiveTo investigate the correlation between tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), phospholipase A2 (PLA2) and myocardial cell function disorders in severe chest-abdominal injury patients. MethodsEighty-two subjects with severe chest-abdominal injury were collected from January 2009 to June 2012, of whom the trauma index were all above or equal to 17 points. As the rescue and treatment were in progress, the patients were examined for their creatine kinase-MB (CK-MB), cardiac troponin T (cTnT), TNF-α, IL-6, and PLA2 for correlation analysis. Another 82 subjects undergoing physical examination during the same time were chosen as the controls, who were again divided into myocardial cell function control group with 46 subjects and injury factors control group with 36 subjects. ResultsFor the myocardial cell function control group, CK-MB was (8.13±3.64) U/L, and cTnT was (26.71±11.58) pg/mL; for the injury group, those two indexes were respectively (158.74±31.59) U/L and (496.25±58.46) pg/mL. For the injury factors control group, TNF-α was (1.28±0.59) ng/mL, IL-6 was (63.93±41.49) ng/mL, and PLA2 was (7.47±5.27) ng/mL; for the injury group, those three indexes were respectively (36.41±18.09) ng/mL, (393.83±143.86) ng/mL, and (41.35±14.26) ng/mL. For severer chest-abdominal injury patients, all correlation factors between CK-MB and TNF-α, IL-6, PLA2 were above 0.911, and the factors between cTnT and TNF-α, IL-6, PLA2 were all above 0.912, and all correlations were positive. ConclusionTNF-α, IL-6 and PLA2 all participate in the process of acute myocardial cell function disorders in severe chest-abdominal injury patients. Early intervention of TNF-α, IL-6, and PLA2 may reduce myocardial cell damage, and improve patients' survival rate.

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  • Correlations between Lipopolysaccharide, Phospholipase A2 and Platelet-activating Factor with Coagulopathy after Severe Chest and Abdominal Injuries and Their Mechanisms

    ObjectiveTo investigate the correlations between lipopolysaccharide(LPS), phospholipase A2 (PLA2) and platelet-activating factor (PAF) with coagulopathy after severe chest and abdominal injuries and their mechanisms. MethodsClinical data of 82 patients with severe chest and abdominal injuries whose trauma index (TI) was greater than or equal to 17 points in No. 253 Hospital of People's Liberation Army from January 2009 to June 2012 were retrospectively analyzed (severe chest and abdominal injury group). Those patients who had concomitant traumatic brain injuries or died in the Emergency Department were excluded from this study. There were 58 male and 24 female patients with their age of 16-76 (43.59±16.33)years. There were 17 patients with open injuries and 65 patients with closed injuries. There were 23 patients with fall injuries, 47 patients with traffic injuries, 8 patients with blunt force injuries, and 4 patients with penetrating injuries. Forty-two healthy volunteers who received routine medical examinations in the outpatient department of our hospital were chosen as the control group, including 27 males and 15 females with their age of 24-47 (37.32±10.45) years. Blood platelet (PLT) count, D-dimer (D-D), activated partial thromboplastin time (APTT), LPS, PLA2 and PAF were compared between the 2 groups, and linear correlation analysis was performed. ResultsPLT of the severe chest and abdominal injury group patients were significantly lower than that of the control group[(83.44±38.52)×109/L vs. (191.52±23.31)×109/L]. D-D[(1 823.89±608.02) U/L vs. (105.78±44.53) U/L], APTT [(68.24±24.12) s vs. (22.47±9.41) s], LPS[(438.66±106.02) U/L vs. (87.38±46.51) U/L], PLA2 [(41.35±14.26) ng/ml vs. (7.47±5.27)ng/ml] and PAF[(15 765.31±4 431.65) ng/L vs. (3 823.45±529.72) ng/L] of the severe chest and abdominal injury group patients were significantly higher than those of the control group(P < 0.001). PLT was significantly negatively correlated with LPS, PLA2 and PAF with all the respective correlation coefficient(r)less than-0.933 5. D-D and APTT were significantly positively correlated with LPS, PLA2 and PAF with all the respective r larger than 0.921 6. ConclusionLPS, PLA2 and PAF participate in the pathogenesis of coagulopathy in patients with severe chest and abdominal injuries. Early intervention against LPS, PLA2 and PAF may improve coagulopathy and survival rate of patients with severe chest and abdominal injuries.

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  • Correlations between Tumor Necrosis Factor-α and Lipopolysaccharide with Acute Myocardial Dysfunction after Severe Thoraco-abdominal Injuries and Their Mechanisms

    ObjectiveTo investigate the correlations between tumor necrosis factor-α (TNF-α) and lipopolysaccharide (LPS) with acute myocardial dysfunction after severe thoraco-abdominal injuries and possible mechanisms. MethodsClinical data of 82 patients with severe thoraco-abdominal injuries who were admitted to the 253rd Hospital of People's Liberation Army from January 2009 to June 2012 were retrospectively analyzed,whose trauma index (TI) were all above or equal to 17 points. Patients with concomitant brain injuries and patients who were brought in dead were excluded from this study. There were 58 male and 24 female patients with their age of 16-76 (43.59±16.33) years. There were 17 patients with open injuries and 65 patients with closed injuries. There were 23 patients with fall injuries,47 patients with traffic injuries,8 patients with blunt injuries,and 4 patients with penetrating injuries. The time from injury to admission was 1.51±0.52 hours. Blood creatine kinase-MB (CK-MB) cardiac troponin T (cTnT) TNF-α and LPS were examined during emergency treatment,and the correlations between the results were analyzed. ResultsMyocardial dysfunction was shown by CK-MB of 158.74±31.59 U/L and cTnT of 496.25±58.46 pg/ml. Injury factors were TNF-α of 36.41±18.09 ng/ml and LPS of 343.66±106.02 U/L. CK-MB was positively correlated with TNF-α and LPS with the correlation coefficient (r) of 0.923 1and 0.883 2 respectively. cTnT was also positively correlated with TNF-α and LPS with r of 0.955 6 and 0.889 1 respectively. ConclusionBoth TNF-α and LPS participate in the pathogenesis and development of acute myocardial dysfunction after severe thoraco-abdominal injuries. Early intervention against TNF-α and LPS may alleviate acute myocardial dysfunction and improve patients' survival rate after severe thoraco-abdominal injuries.

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