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RISS 인기검색어
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- 저자 : Wenchuan Liu (검색결과 2 건)
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The Value of Infectious Biomarkers for Prediction of Complication after Pancreatic Surgery
( Yuan Fang ),( Gang Jin ),( Xubao Liu ),( Yajin Chen ),( Bei Sun ),( Zhongtao Zhang ),( Wenchuan Wu ),( Wenhui Lou ) 대한간학회 2018 춘·추계 학술대회 (KASL) Vol.2018 No.1
Aims: To assess the predictive value of biomarkers for early complication after pancreatic surgery. Methods: 950 cases were recruited from 6 centers in China. Procalcitonin,C-reactive protein and WBC were measured on 1st, 3rd and 5th postoperative day . Chi-square test was for the complication risk factors. One-way ANOVA was for the com parison between the biomarkers in these 4 days. ROC curves was for the complication predictive value. Results: 1) 502 with and 448 without complication, pancreatic fistula (380,40%) had the highest morbidity, while the level A B C fistula were 278,90 and 12. 2) In the non-complica tion subgroup, the mean baseline,POD1, POD3 and POD 5 of PCT were 0.1, 0.81, 0.93, 0.57ug/L (P=0.118); CRP were 8.39, 70.81,99.59, 49.49mg/L (P=0.000). In the complication subgroup, the mean baseline,POD1, POD3 and POD 5 of PCT were 0.09, 0.93, 0.77, 0.37(P=0.000), CRP were 9.30, 79.70, 153.01, 85.83. (P=0.000) 3) There were significant differences in the subgroups classified by occurrence of infectious compli cation, abdominal infection and sepsis in POD3 and POD 5 of PCT, and significant difference by occurrence of complication, pancreatic fistula in POD3 and POD 5 of CRP, WBC and neutro phil%. 5) The AUC of POD3 and POD 5 of PCT were 0.8, 0.7, 0.6 (P=0.000) to predict sepsis, abdominal infection and infectious complication. AUC of POD3 and POD5 of CRP and WBC were 0.7,0.6 (P=0.000)to predict complication and pancreatic fistula. Conclusions: PCT is better to predict infectious complication, abdominal infection and sepsis while CRP, WBC and Neutrophil % are better to predict complication and pancreatic fistula.
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Deng Li,Yong Kang,Xiaolong Ding,Xiao-Chuan Wang,Wenchuan Liu 대한기계학회 2017 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.31 No.3
Self-excited oscillation pulsed waterjet (SOPW) can take advantage of water hammer effect by generating discrete water slugs with large pressure oscillations. To further improve its efficiency, the performance of a jet-driven Helmholtz oscillator generating SOPWs was experimentally studied with feeding pipe diameter being considered. The axial pressure oscillations of the jets against the chamber length and standoff distance under four pump pressures were analyzed. It was found that feeding pipe diameter greatly affects the pressure oscillations. This dramatically depends on the pump pressure and is mainly caused by the wave and acoustic interactions in the oscillator. Feeding pipe which induces the maximum peak is the one that results in the minimum amplitude, and vice versa. Moreover, feeding pipe of diameter of 25 mm makes the amplitude fluctuate more violently at lower pump pressures. Further investigations related to the interactions of feeding pipe, hydroacoustic waves, and vorticities in shear layer should be performed.
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