| 1 | Clinical significance of plasma D-dimer and von Willebrand factor levels in patients with ulcer colitis显示文摘AIM: To investigate the levels of D-dimer(DD) and vonWillebrand factor(vWF) and the relationship between DDand vWF in ulcerative colitis(UC) patients.METHODS: A total of 29 plasma specimens were obtainedfrom patients with ulcerative colitis (male 13, female 16),aged 21-47 years (33 + 11). Disease activity was assessed byTruelove-Writeria. Patients with a score of above 5 wereregarded as having active colitis. Twenty healthy people(male 12, female 8),aged 19-53 years(31 + 14), ssrved asnormal controls. Blood samples were taken from anantecubital vein puncture. Blood(1.8 mL) was injected intothe tubes containing sodium citrate (0. 13 mmol/L). Theplasma was obtained by centrifugation at 3000 r@ min-1 for 10min, and stored at -80 ℃ until assayed by ELISA.RESULTS: The mean plasma levels of DD and vWF in activeUC patients were significantly higher than those of thecontrols(0.69+0.41 vs0.27+0.11, P<0.01;143+46 vs103 + 35, P < 0.01 ). The mean plasma levels of DD in thepatients with active disease were higher than those withinactive disease(0. 69 + 0. 41 vs 0.48+0.29, P<0.05). Thelevls of v WF were not different between active and inactivepatients. DD levels were positively related to vWF levels( r =0.574, P < 0. 01 ). There was no significant differencebetween levels of DD and vWF and the scope of disease cndsex of the patients.CONCLUSION: vWF is an important feature and a goodmarker of UC; intravascular thrombus and endothelial celldysfunction were found in UC patients; and the combinedtest of DD and vWF is helpful to distinguish the activity ofthe UC patients. | XuG TianKL 等 | 2002 | World Journal of Gastroenterology2002，8，3： | 19 |
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