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Objective:To explore the value of changes of plasma amino acids in the diagnosis of neonatal intrahepatic cholestasis caused by Citrin deficiency (NICCD).Methods:A total of 144 infants diagnosed with cholestasis and undergoing blood tandem mass spectrometry in Jiangxi Children′s Hospital From January 2016 to December 2018 were studied.They were divided into 3 groups: NICCD group(11 cases), biliary atresia group (BA group, 40 cases), and Cholestatic Cytomegalovirus hepatitis group (CMV group, 93 cases). The plasma amino acids and biochemical results of the 3 groups were compared, and the data of the 3 groups were statistically analyzed by Kruskal- Wallis test.The items with statistical discrepancy were examined by Mann- Whitney test between groups. Results:Compared with BA group and CMV group, the levels of arginine(Arg), methionine(Met), tyrosine(Tyr), citrulline (Cit), glutamic oxaloacetic transaminase and glutamic-pyruvic transaminase ratio(AST/ALT) in NICCD group increased significantly, while the level of alanine(Ala) decreased.The above discrepancy were statistically significant(all P<0.05). The Arg, Met, Tyr, Cit, AST/ALT, and Ala levels of NICCD group were 68.518(19.714, 108.470) μmol/L, 111.724(42.156, 214.585) μmol/L, 104.394(75.642, 146.086) μmol/L, 165.664(119.874, 291.327) μmol/L, 3.17(1.97, 3.98), and 140.297(112.052, 184.015) μmol/L, respectively.The Arg, Met, Tyr, Cit, AST/ALT, and Ala levels of BA group were 29.470(10.739, 48.124) μmol/L, 32.938(24.918, 44.013) μmol/L, 78.244(66.814, 94.479) μmol/L, 23.698(19.450, 27.714) μmol/L, 1.54(1.23, 1.95), and 244.246(214.554, 295.729) μmol/L, respectively.The Arg, Met, Tyr, Cit, AST/ALT, and Ala levels of CMV group were 16.507(8.220, 28.566) μmol/L, 30.997(23.739, 37.183) μmol/L, 76.120(64.004, 86.290) μmol/L, 21.272(17.040, 24.111) μmol/L, 1.19(0.96, 1.48), and 228.468(191.131, 260.056) μmol/L, respectively.In the receiver operating characteristic (ROC) curve, the area under the ROC curve of Ala, Arg, Met, Tyr, Cit and AST/ALT in diagnosing NICCD were 0.886, 0.770, 0.906, 0.745, 0.999, and 0.887, respectively. Conclusions:The changes of plasma amino acids provides a basis for early diagnosis of NICCD.Elevated Arg, Met, Tyr, Cit and decreased Ala have high diagnostic value of NICCD.Combined with the degree of biochemical changes, plasma amino acids can help with clinical diagnosis of the disease and reduce the misdiagnosis rate.
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Objective To construct a scoring system of combination of procalcitonin and C-reactive protein for diagnosis of invasive bacterial diarrhea in children. Methods The clinical data of hospitalized children with acute diarrhea were retrospectively analyzed. All of the children were divided into two groups, invasive bacterial diarrhea group and nonbacterial diarrhea group. The scoring system of combination of two markers for diagnosis of invasive bacterial diarrhea in children was constructed by means of two categories logistic regression analysis using procalcitonin and C- reactive protein as parameters. In addition,receiver operating characteristic curve(ROC)was used to evaluate the diagnostic accuracy.Results One hundred ten cases of invasive bacterial diarrhea and 108 cases of nonbacterial diarrhea were included. The levels of serum procalcitonin and C-reactive protein in invasive bacterial diarrhea group were significantly higher than those in nonbacterial diarrhea group, and there were statistical difference(P all<0.05).The area under the ROC curve(AUC)of invasive bacterial diarrhea was 0.894 when the established scoring system was used, which was higher than the AUCs when either serum procalcitonin or in C- reactive protein was used (P<0.05). The best diagnostic boundary value for combination of serum procalcitonin and C- reactive protein scoring was 0.52 with a sensitivity at 80.9% and specificity at 88.9%. Conclusions The scoring system of combination of procalcitonin and C- reactive protein has good accuracy in diagnosis of invasive bacterial diarrhea in children, and can assist the early diagnosis of the disease.
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Objective To construct a scoring system of combination of procalcitonin and C-reactive protein for diagnosis of invasive bacterial diarrhea in children. Methods The clinical data of hospitalized children with acute diarrhea were retrospectively analyzed. All of the children were divided into two groups, invasive bacterial diarrhea group and nonbacterial diarrhea group. The scoring system of combination of two markers for diagnosis of invasive bacterial diarrhea in children was constructed by means of two categories logistic regression analysis using procalcitonin and C- reactive protein as parameters. In addition,receiver operating characteristic curve(ROC)was used to evaluate the diagnostic accuracy.Results One hundred ten cases of invasive bacterial diarrhea and 108 cases of nonbacterial diarrhea were included. The levels of serum procalcitonin and C-reactive protein in invasive bacterial diarrhea group were significantly higher than those in nonbacterial diarrhea group, and there were statistical difference(P all<0.05).The area under the ROC curve(AUC)of invasive bacterial diarrhea was 0.894 when the established scoring system was used, which was higher than the AUCs when either serum procalcitonin or in C- reactive protein was used (P<0.05). The best diagnostic boundary value for combination of serum procalcitonin and C- reactive protein scoring was 0.52 with a sensitivity at 80.9% and specificity at 88.9%. Conclusions The scoring system of combination of procalcitonin and C- reactive protein has good accuracy in diagnosis of invasive bacterial diarrhea in children, and can assist the early diagnosis of the disease.
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@#ObjectiveTo observe the effect of nitrates and statins on blood pressure,serum lipid and artery structure of elderly patients with isolated systolic hypertension(ISH) and hyperlipidemia.Methods96 elderly patients with ISH and hyperlipidemia were randomly divided into the isosorbide mononitrate triple therapy group(group A),simvastatinelderly two drugs combination group(group B) and control group(group C) with 32 cases in each group.The group A was given isosorbide mononitrate,simvastatinelderly and felodipine.The group B was given simvastatinelderly and felodipine.The group C was given felodipine alone.The whole course lasted 12 weeks and the blood pressure,serum lipid and the change of artery structure were observed.ResultsThe effect of group A was significantly better than groups B and C(P<0.01). The effect of lowering serum lipid and change of artery intima-media thickness(IMT) in groups A and B were better than that in group C(P<0.05).ConclusionNitrates can decrease systolic blood pressure and pulse pressure,but has less effect on diastolic blood pressure.Statins can decrease IMT of the common arteries.The combination of nitrates and statins is speculated beneficial to elderly with ISH.