李江++++++张然蓉++++++李钢++++++罗历++++++郝建华
[摘要] 意图 调查特发血小板削减性紫癜(ITP)患者血小板均匀体积 (MPV)、 血小板均匀散布宽度 (PDW)、大血小板比率 (P-LCR)及血小板计数(Plt)的动态改变,并评论其相关的临床含义。办法 搜集我院2011年6月~2013年1月诊治的特发性血小板削减性紫癜患儿88例,另取我院保健门诊体检的健康儿童40例作为对照,全自动血细胞剖析仪检测各样本Plt 、MPV、PDW及P-LCR血小板参数的改变。成果 对照组Plt明显高于ITP组(P<0.01),而对照组MPV、PDW及P-LCR明显低于ITP组(P<0.01)。Plt、MPV、PDW及P-LCR血小板参数在轻度组、中度组、重度组之间存在明显性差异(P<0.05),Plt会跟着病况的加剧逐步减低(P<0.05),但是MPV、PDW及P-LCR则跟着病况的加剧逐步升高(P<0.05)。ITP患者医治后Plt较医治前明显升高(P<0.01),而MPV、PDW及P-LCR则明显减低(P<0.01)。 定论 Plt、MPV、PDW及P-LCR血小板参数的检测有助于ITP的辨别确诊、病况判别及作用调查。
[关键词] 特发血小板削减性紫癜;血小板均匀体积;血小板均匀散布宽度;大血小板比率
[中图分类号] R554.6 [文献标识码] B [文章编号] 1673-9701(2014)09-0071-03
特发性血小板削减性紫癜(idiopathic thrombocytopenic purpura,ITP)也称原发性血小板削减性紫癜、 本身免疫性血小板削减性紫癜[1],是儿童临床上常见的出血性疾病,其发病机制与机体本身的细胞、 体液免疫反常有关,发生了抗血小板外表某些糖蛋白(如gpⅠb、gpⅡb/Ⅲa等)的本身抗体,激起的Ⅱ型超敏反响导致血小板损坏添加,并损害巨核细胞, 使巨核细胞老练妨碍[2]。ITP的确诊医治中临床医师往往只留意血小板数量的改变,而忽视了血小板参数在ITP患者诊治中的含义。因而本研讨调查了ITP患者血小板均匀体积 (MPV)、 血小板均匀散布宽度 (PDW)、大血小板比率 (P-LCR)及血小板计数(Plt)的动态改变,并评论其相关的临床含义,现报导如下。
1 材料与办法
1.1 一般材料
搜集我院2011年6月~2013年1月诊治的特发性血小板削减性紫癜患儿88例,其间男58例,女30例,年纪4~14岁,均匀(7.8±3.6)岁。特发性血小板削减性紫癜的确诊规范依据1999年中华医学会儿科分会修订的ITP确诊规范[4]。依据血小板计数将88例患儿分为轻度组(50×109/L< Plt <100×109/L,n=28)、中度组(25×109/L< Plt≤50×109/L,n=30)、重度组(Plt≤25×109/L,n=30)。另取我院保健门诊体检的健康儿童40例作为对照,其间男24例,女16例,年纪4~15岁,均匀(7.6±3.7)岁。各组在性别、年纪、身高、体重等一般临床材料方面无明显性差异,具有可比性(P>0.05)。
1.2血小板参数的检测
收集受试者静脉血2 mL,EDTA-K2 抗凝,3000 r/min离心15 min别离上清,尿素呼气试验和快速尿素酶试验,两项均需为阳性。检测试剂盒和全血质控物购自日本希森美康公司,日本 Sysmex XE-2100 型全自动血细胞剖析仪检测各样本Plt、MPV、PDW及P-LCR血小板参数的改变。
1.3 医治办法
一切患儿运用激素医治,口服强的松每天1 mg/kg,血小板计数升至200×109/L 时强的松逐步减量,5~10 mg 强的松保持 2 个月后停药。
1.4 计算学剖析
运用SPSS12.0计算软件处理数据,试验数据以均数±规范差(x±s)表明,两样本均数比较选用t查验,多组样本均数检测运用方差剖析,P<0.05为有明显性差异。
2 成果
2.1 ITP患者血小板参数的改变
从表1可见对照组Plt明显高于ITP组(P<0.01),而MPV、PDW及P-LCR明显低于ITP组(P<0.01)。
2.2 ITP患者不同病变程度与血小板参数的相关性剖析
Plt、MPV、PDW及P-LCR血小板参数在轻度组、中度组、重度组之间存在明显性差异(P<0.05),Plt会跟着病况的加剧逐步减低(P<0.05),但是MPV、PDW及P-LCR则跟着病况的加剧逐步升高(P<0.05)。见表2。
2.3 ITP患者医治前后血小板参数的改变
从表3可见,ITP患者医治后Plt较医治前明显升高(P<0.01),而MPV、PDW及P-LCR则明显减低(P<0.01)。
3 评论
特发性血小板削减性紫癜(ITP)是一种免疫介导的取得性疾病,为儿童临床上常见的出血性疾病,其间50%以上是儿童[5,6]。它以血小板数暂时性或持续性下降、骨髓巨核细胞数正常或增多伴老练妨碍为首要特征,骨髓穿刺查看能够与其他疾病相辨别,但骨髓穿刺往往给患者带来苦楚,特别是小儿患者,并且在医治过程中重复操作检测医治作用和病况改变,患者往往难以承受,血小板参数的改变能够反映出体内血小板的增殖动力学改变[6,8]。跟着全自动血细胞剖析仪的运用,使血小板参数查看成为可能,正日益遭到临床医师的注重,并且血小板参数查看较骨髓查看更便利,其在多种疾病中的运用价值已得到了临床上的必定[9,10]。本研讨运用血细胞剖析仪检测ITP的血小板参数显现Plt、MPV、PDW及P-LCR与健康对照患儿之间具有明显性差异,提示血小板参数的检测有利于ITP疾病的辨别确诊。
血小板削减是ITP患者的首要临床表现,MPV是调查PLT巨细的一个参数,机体血小板削减后必然会影响骨髓反响性增生,发生新的血小板,重生的血小板细胞巨细会增大,功用活性较强,故而MPV也会增高,Plt与MPV此刻呈负相关;假如骨髓病变衰竭时,无法造血则MPV会减低,此刻血小板也会削减,骨髓按捺越严峻,Plt越小,MPV也越小,Plt与MPV此刻呈正相关[11,12]。本研讨的成果显现,Plt与MPV呈负相关阐明患者的骨髓造血没有遭到按捺,并且跟着外周血小板的削减MPV也会相应地添加,并且通过医治血小板上升后MPV也会相应地减低,阐明血小板参数的检测能够用于ITP疾病病况判别及临床作用的调查。PDW为血小板散布宽度,是反映血小板体积差异程度的一个参数,P-LCR为大血小板比率,当骨髓代偿功用杰出时,会代偿性地发生体积更大的血小板,使得巨细不等体积的血小板混合循环于血液中,使得PDW和P-LCR也相应增大,本研讨也显现了PDW和P-LCR与MPV呈正相关,与血小板数目呈负相关。endprint
综上所述,本研讨显现了Plt、MPV、PDW及P-LCR血小板参数的检测有助于ITP的辨别确诊、病况判别及作用调查。
[参考文献]
[1] 盛光耀,王春美. 特发性血小板削减性紫癜发病机制研讨进展[J]. 有用儿科临床杂志,2010,25(3):157-159.
[2] Xu RL,Zheng ZJ,Ma YJ,et al. Platelet volume indices have low diagnostic efficiency for predicting bone marrow failure in thrombocytopenic patients[J]. Exp Ther Med,2013,5(1):209-214.
[3] 刘艳奎,朴美花,金春岩,等. ITP 患者骨髓巨核细胞和血小板参数的临床剖析[J]. 现代防备医学,2010,37(6):1195-1196.
[4] 马进标. 幽门螺旋杆菌感染与特发性血小板削减性紫癜的相关性剖析[J]. 中华全科医学,2013,11(10):1542-1543.
[5] 李艳秋,牛挺. 原发免疫性血小板削减症研讨进展[J]. 华西医学, 2012, 27(10):1570-1574.
[6] Varasteh-Ravan HR,Ali-Hassan-Sayegh S,Shokraneh S,et al. Relationship of admission mean platelet volume,platelet distribution width and white blood cells with ST resolution in patients with acute ST segment elevation myocardial infarction treated with streptokinase without history of previous cardiovascular surgery[J]. Perspect Clin Res,2013,4(2):125-129.
[7] Strauss G,Vollert C,Von Stackelberg A,et al. Immature platelet count: a simple parameter for distinguishing thrombocytopenia in pediatric acute lymphocytic leukemia from immune thrombocytopenia[J]. Pediatr Blood Cancer, 2011, 57(4):641-647.
[8] Noris P,Klersy C,Gresele P,et al. Platelet size for distinguishing between inherited thrombocytopenias and immune thrombocytopenia:A multicentric, real life study[J]. Br J Haematol,2013,162(1):112-119.
[9] Zeb Jan A,Zahid B,Ahmad S,et al. Pancytopenia in children: A 6-year spectrum of patients admitted to Pediatric Department of Rehman Medical Institute, Peshawar[J]. Pak J Med Sci,2013,29(5):1153-1157.
[10] Lao W,Xiang Y,Fang M,et al. Polymorphism and expression of macrophage migration inhibitory factor does not contribute to glucocorticoid resistance in idiopathic thrombocytopenic purpura[J]. Pharmazie,2013,68(10):846-849.
[11] Ramakrishnan,Geethakumari P,Rubin A,et al. Thrombotic thrombocytopenic purpura and cardiac papillary fibroelastoma:a 'unique coexistence[J]. Blood Coagul Fibrinolysis,2013,24(8):881-883.
[12] Li J,Wang Z,Hu S,et al. Correction of abnormal T cell subsets by high-dose dexamethasone in patients with chronic idiopathic thrombocytopenic purpura[J]. Immunol Lett, 2013, 154(1-2):42-48.
(收稿日期:2013-12-09)endprint
综上所述,本研讨显现了Plt、MPV、PDW及P-LCR血小板参数的检测有助于ITP的辨别确诊、病况判别及作用调查。
[参考文献]
[1] 盛光耀,王春美. 特发性血小板削减性紫癜发病机制研讨进展[J]. 有用儿科临床杂志,2010,25(3):157-159.
[2] Xu RL,Zheng ZJ,Ma YJ,et al. Platelet volume indices have low diagnostic efficiency for predicting bone marrow failure in thrombocytopenic patients[J]. Exp Ther Med,2013,5(1):209-214.
[3] 刘艳奎,朴美花,金春岩,等. ITP 患者骨髓巨核细胞和血小板参数的临床剖析[J]. 现代防备医学,2010,37(6):1195-1196.
[4] 马进标. 幽门螺旋杆菌感染与特发性血小板削减性紫癜的相关性剖析[J]. 中华全科医学,2013,11(10):1542-1543.
[5] 李艳秋,牛挺. 原发免疫性血小板削减症研讨进展[J]. 华西医学, 2012, 27(10):1570-1574.
[6] Varasteh-Ravan HR,Ali-Hassan-Sayegh S,Shokraneh S,et al. Relationship of admission mean platelet volume,platelet distribution width and white blood cells with ST resolution in patients with acute ST segment elevation myocardial infarction treated with streptokinase without history of previous cardiovascular surgery[J]. Perspect Clin Res,2013,4(2):125-129.
[7] Strauss G,Vollert C,Von Stackelberg A,et al. Immature platelet count: a simple parameter for distinguishing thrombocytopenia in pediatric acute lymphocytic leukemia from immune thrombocytopenia[J]. Pediatr Blood Cancer, 2011, 57(4):641-647.
[8] Noris P,Klersy C,Gresele P,et al. Platelet size for distinguishing between inherited thrombocytopenias and immune thrombocytopenia:A multicentric, real life study[J]. Br J Haematol,2013,162(1):112-119.
[9] Zeb Jan A,Zahid B,Ahmad S,et al. Pancytopenia in children: A 6-year spectrum of patients admitted to Pediatric Department of Rehman Medical Institute, Peshawar[J]. Pak J Med Sci,2013,29(5):1153-1157.
[10] Lao W,Xiang Y,Fang M,et al. Polymorphism and expression of macrophage migration inhibitory factor does not contribute to glucocorticoid resistance in idiopathic thrombocytopenic purpura[J]. Pharmazie,2013,68(10):846-849.
[11] Ramakrishnan,Geethakumari P,Rubin A,et al. Thrombotic thrombocytopenic purpura and cardiac papillary fibroelastoma:a 'unique coexistence[J]. Blood Coagul Fibrinolysis,2013,24(8):881-883.
[12] Li J,Wang Z,Hu S,et al. Correction of abnormal T cell subsets by high-dose dexamethasone in patients with chronic idiopathic thrombocytopenic purpura[J]. Immunol Lett, 2013, 154(1-2):42-48.
(收稿日期:2013-12-09)endprint
综上所述,本研讨显现了Plt、MPV、PDW及P-LCR血小板参数的检测有助于ITP的辨别确诊、病况判别及作用调查。
[参考文献]
[1] 盛光耀,王春美. 特发性血小板削减性紫癜发病机制研讨进展[J]. 有用儿科临床杂志,2010,25(3):157-159.
[2] Xu RL,Zheng ZJ,Ma YJ,et al. Platelet volume indices have low diagnostic efficiency for predicting bone marrow failure in thrombocytopenic patients[J]. Exp Ther Med,2013,5(1):209-214.
[3] 刘艳奎,朴美花,金春岩,等. ITP 患者骨髓巨核细胞和血小板参数的临床剖析[J]. 现代防备医学,2010,37(6):1195-1196.
[4] 马进标. 幽门螺旋杆菌感染与特发性血小板削减性紫癜的相关性剖析[J]. 中华全科医学,2013,11(10):1542-1543.
[5] 李艳秋,牛挺. 原发免疫性血小板削减症研讨进展[J]. 华西医学, 2012, 27(10):1570-1574.
[6] Varasteh-Ravan HR,Ali-Hassan-Sayegh S,Shokraneh S,et al. Relationship of admission mean platelet volume,platelet distribution width and white blood cells with ST resolution in patients with acute ST segment elevation myocardial infarction treated with streptokinase without history of previous cardiovascular surgery[J]. Perspect Clin Res,2013,4(2):125-129.
[7] Strauss G,Vollert C,Von Stackelberg A,et al. Immature platelet count: a simple parameter for distinguishing thrombocytopenia in pediatric acute lymphocytic leukemia from immune thrombocytopenia[J]. Pediatr Blood Cancer, 2011, 57(4):641-647.
[8] Noris P,Klersy C,Gresele P,et al. Platelet size for distinguishing between inherited thrombocytopenias and immune thrombocytopenia:A multicentric, real life study[J]. Br J Haematol,2013,162(1):112-119.
[9] Zeb Jan A,Zahid B,Ahmad S,et al. Pancytopenia in children: A 6-year spectrum of patients admitted to Pediatric Department of Rehman Medical Institute, Peshawar[J]. Pak J Med Sci,2013,29(5):1153-1157.
[10] Lao W,Xiang Y,Fang M,et al. Polymorphism and expression of macrophage migration inhibitory factor does not contribute to glucocorticoid resistance in idiopathic thrombocytopenic purpura[J]. Pharmazie,2013,68(10):846-849.
[11] Ramakrishnan,Geethakumari P,Rubin A,et al. Thrombotic thrombocytopenic purpura and cardiac papillary fibroelastoma:a 'unique coexistence[J]. Blood Coagul Fibrinolysis,2013,24(8):881-883.
[12] Li J,Wang Z,Hu S,et al. Correction of abnormal T cell subsets by high-dose dexamethasone in patients with chronic idiopathic thrombocytopenic purpura[J]. Immunol Lett, 2013, 154(1-2):42-48.
(收稿日期:2013-12-09)endprint