Background and Objective The white blood cell count to mean platelet volume ratio(WMR)has recently been described as a predictor of cardiovascular events in patients who undergo percutaneous coronary intervention(PCI)...Background and Objective The white blood cell count to mean platelet volume ratio(WMR)has recently been described as a predictor of cardiovascular events in patients who undergo percutaneous coronary intervention(PCI).The aim of this study was to investigate the usefulness of admission WMR in predicting outcomes in patients with acute coronary syndrome(ACS).展开更多
AIM To investigate serum mean platelet volume(MPV) levels in acute pancreatitis(AP) patients and assess whether MPV effectively predicts the disease severity of AP.METHODS We included 117 consecutive patients with AP ...AIM To investigate serum mean platelet volume(MPV) levels in acute pancreatitis(AP) patients and assess whether MPV effectively predicts the disease severity of AP.METHODS We included 117 consecutive patients with AP as the AP group and 34 consecutive patients with colorectal polyps(before endoscopic treatment) as the control group. Complete blood counts, liver function, platelet indices(MPV), coagulation parameters, lactate dehydrogenase(LDH) and C-reactive protein(CRP) were measured on days 1, 2, 3 and 7 after admission. Receiver operating characteristic curves were used to compare the sensitivity and specificity of MPV, white blood cell(WBC), LDH and CRP in predicting AP severity. The Modified Glasgow Prognostic Score(m GPS) and the 2012 revised Atlanta criteria were used to evaluate disease severity in AP.RESULTS MPV levels were significantly lower in the AP group than in the control group on day 1(P = 0.000), day 2(P = 0.029) and day 3(P = 0.001) after admission.In addition, MPV values were lower on day 1 after admission than on day 2(P = 0.012), day 3(P = 0.000) and day 7(P = 0.002) in all AP patients. Based on the m GPS, 78 patients(66.7%) were diagnosed with mild and 39 patients(33.3%) with severe AP. There was no significant difference in mean MPV levels between patients diagnosed with mild and severe AP based on the m GPS(P = 0.424). According to the 2012 revised Atlanta criteria, there were 98 patients(83.8%) without persistent organ failure(OF) [non-severe acute pancreatitis(non-SAP) group] and 19 patients(16.2%) with persistent OF(SAP group). MPV levels were significantly lower in the SAP group than in the non-SAP group on day 1 after admission(P = 0.002). On day 1 after admission using a cut-off value of 6.65 f L, the overall accuracy of MPV for predicting SAP according to the 2012 revised Atlanta criteria(AUC = 0.716) had a sensitivity of 91.8% and a specificity of 47.4% and was superior to the accuracy of the traditional markers WBC(AUC = 0.700) and LDH(AUC = 0.697).CONCLUSION MPV can be used at no additional cost as a useful, noninvasive biomarker that distinguishes AP with persistent OF from AP without persistent OF on day 1 of hospital admission.展开更多
目的探讨红细胞平均体积(MCV)和红细胞分布宽度(RDW)对XN-3000血液分析仪电阻抗法(PLT-I)和核酸染色法(PLT-F)低值血小板计数的影响。方法采用Sysmex-XN3000血液分析仪对68例低值血小板患者(分四组:红细胞MCV≥70 f L、MCV<60 f L、6...目的探讨红细胞平均体积(MCV)和红细胞分布宽度(RDW)对XN-3000血液分析仪电阻抗法(PLT-I)和核酸染色法(PLT-F)低值血小板计数的影响。方法采用Sysmex-XN3000血液分析仪对68例低值血小板患者(分四组:红细胞MCV≥70 f L、MCV<60 f L、60 f LMCV<70 f L而RDW<0.2、60 f LMCV<70 f L而RDW>0.2)EDTA抗凝血分别用PLT-I法和PLT-F法进行血小板计数,同时用Beckman Coulter FC500流式细胞仪(免疫法)计数,以免疫法为参考方法进行比较分析。结果 PLT-F法、PLT-I法与免疫法的相关系数r分别为0.931、0.808,PLT-F法的相关性明显优于PLT-I法;当红细胞MCV≥70 f L、60 f L≤MCV<70 f L而RDW<0.2时,PLT-I法与免疫法比较血小板计数,差异无统计学意义(P>0.05);当红细胞MCV<60 f L、60 f L≤MCV<70 f L而RDW>0.2时,PLT-I法与免疫法比较血小板计数,差异有统计学意义(P<0.05);不同组在PLT-F法与免疫法比较差异均无统计学意义(P>0.05)。结论 PLT-F法与免疫法有良好的相关性,PLT-I法对低值血小板计数的准确性有较大影响,当MCV<60 f L或者60 f L≤MCV<70 f L而RDW>0.2时,血小板应该采用流式细胞仪或PLT-F法检测以获得更为准确的数据。展开更多
目的:探讨平均红细胞体积(m ean corpuscu lar volum e,MCV)及红细胞体积分布宽度(red b lood cell volum e d istribution w idth,RDW)对地中海贫血(简称地贫,MD)和巨幼细胞性贫血(简称巨幼贫血,MA)诊断的临床价值。方法:利用血细胞自...目的:探讨平均红细胞体积(m ean corpuscu lar volum e,MCV)及红细胞体积分布宽度(red b lood cell volum e d istribution w idth,RDW)对地中海贫血(简称地贫,MD)和巨幼细胞性贫血(简称巨幼贫血,MA)诊断的临床价值。方法:利用血细胞自动分析仪测定不同病因的贫血患者的MCV和RDW值。结果:MD患者,MCV降低,RDW升高,且α-地贫与β-地贫无差异;MA患者,MCV和RDW升高;急性失血性贫血和再生障碍性贫血(ap lastic anem ia,AA)患者,MCV和RDW正常。结论:MCV和RDW红细胞参数,可作为贫血病因诊断及鉴别诊断的参考线索,对地贫和巨幼贫血的诊断和治疗有一定的指导意义。展开更多
文摘Background and Objective The white blood cell count to mean platelet volume ratio(WMR)has recently been described as a predictor of cardiovascular events in patients who undergo percutaneous coronary intervention(PCI).The aim of this study was to investigate the usefulness of admission WMR in predicting outcomes in patients with acute coronary syndrome(ACS).
基金Supported by the Joint Foundation of Department of Science and Technology of Guizhou Province,China,No.[2016]7408
文摘AIM To investigate serum mean platelet volume(MPV) levels in acute pancreatitis(AP) patients and assess whether MPV effectively predicts the disease severity of AP.METHODS We included 117 consecutive patients with AP as the AP group and 34 consecutive patients with colorectal polyps(before endoscopic treatment) as the control group. Complete blood counts, liver function, platelet indices(MPV), coagulation parameters, lactate dehydrogenase(LDH) and C-reactive protein(CRP) were measured on days 1, 2, 3 and 7 after admission. Receiver operating characteristic curves were used to compare the sensitivity and specificity of MPV, white blood cell(WBC), LDH and CRP in predicting AP severity. The Modified Glasgow Prognostic Score(m GPS) and the 2012 revised Atlanta criteria were used to evaluate disease severity in AP.RESULTS MPV levels were significantly lower in the AP group than in the control group on day 1(P = 0.000), day 2(P = 0.029) and day 3(P = 0.001) after admission.In addition, MPV values were lower on day 1 after admission than on day 2(P = 0.012), day 3(P = 0.000) and day 7(P = 0.002) in all AP patients. Based on the m GPS, 78 patients(66.7%) were diagnosed with mild and 39 patients(33.3%) with severe AP. There was no significant difference in mean MPV levels between patients diagnosed with mild and severe AP based on the m GPS(P = 0.424). According to the 2012 revised Atlanta criteria, there were 98 patients(83.8%) without persistent organ failure(OF) [non-severe acute pancreatitis(non-SAP) group] and 19 patients(16.2%) with persistent OF(SAP group). MPV levels were significantly lower in the SAP group than in the non-SAP group on day 1 after admission(P = 0.002). On day 1 after admission using a cut-off value of 6.65 f L, the overall accuracy of MPV for predicting SAP according to the 2012 revised Atlanta criteria(AUC = 0.716) had a sensitivity of 91.8% and a specificity of 47.4% and was superior to the accuracy of the traditional markers WBC(AUC = 0.700) and LDH(AUC = 0.697).CONCLUSION MPV can be used at no additional cost as a useful, noninvasive biomarker that distinguishes AP with persistent OF from AP without persistent OF on day 1 of hospital admission.
文摘目的探讨红细胞平均体积(MCV)和红细胞分布宽度(RDW)对XN-3000血液分析仪电阻抗法(PLT-I)和核酸染色法(PLT-F)低值血小板计数的影响。方法采用Sysmex-XN3000血液分析仪对68例低值血小板患者(分四组:红细胞MCV≥70 f L、MCV<60 f L、60 f LMCV<70 f L而RDW<0.2、60 f LMCV<70 f L而RDW>0.2)EDTA抗凝血分别用PLT-I法和PLT-F法进行血小板计数,同时用Beckman Coulter FC500流式细胞仪(免疫法)计数,以免疫法为参考方法进行比较分析。结果 PLT-F法、PLT-I法与免疫法的相关系数r分别为0.931、0.808,PLT-F法的相关性明显优于PLT-I法;当红细胞MCV≥70 f L、60 f L≤MCV<70 f L而RDW<0.2时,PLT-I法与免疫法比较血小板计数,差异无统计学意义(P>0.05);当红细胞MCV<60 f L、60 f L≤MCV<70 f L而RDW>0.2时,PLT-I法与免疫法比较血小板计数,差异有统计学意义(P<0.05);不同组在PLT-F法与免疫法比较差异均无统计学意义(P>0.05)。结论 PLT-F法与免疫法有良好的相关性,PLT-I法对低值血小板计数的准确性有较大影响,当MCV<60 f L或者60 f L≤MCV<70 f L而RDW>0.2时,血小板应该采用流式细胞仪或PLT-F法检测以获得更为准确的数据。
文摘目的:探讨平均红细胞体积(m ean corpuscu lar volum e,MCV)及红细胞体积分布宽度(red b lood cell volum e d istribution w idth,RDW)对地中海贫血(简称地贫,MD)和巨幼细胞性贫血(简称巨幼贫血,MA)诊断的临床价值。方法:利用血细胞自动分析仪测定不同病因的贫血患者的MCV和RDW值。结果:MD患者,MCV降低,RDW升高,且α-地贫与β-地贫无差异;MA患者,MCV和RDW升高;急性失血性贫血和再生障碍性贫血(ap lastic anem ia,AA)患者,MCV和RDW正常。结论:MCV和RDW红细胞参数,可作为贫血病因诊断及鉴别诊断的参考线索,对地贫和巨幼贫血的诊断和治疗有一定的指导意义。
