共查询到19条相似文献,搜索用时 95 毫秒
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目的探讨外周血造血干细胞(PBSC)动员采集的方法及其效果。方法对恶性血液病(多发性骨髓瘤、急性白血病和淋巴瘤)患者及健康供者经单一粒细胞集落刺激因子(G-CSF)和化疗联合粒细胞集落刺激因子方案动员后,使用血细胞分离机采集外周血造血干细胞,分析不同动员方案、疾病、年龄、性别及供者的动员采集。结果所有患者和健康供者均成功动员和采集到了PBSC(MNC>5×108/kg,CD34+>2×106/kg);健康供者的动员效果为MNC(8.25±3.07)×109/L;恶性血液病患者中,急性髓细胞白血病患者采集所获得的MNC最多,为(7.48±2.62)×108/kg,多发性骨髓瘤患者最差,为(5.06±1.50)×108/kg;急性淋巴细胞白血病患者采集所获得的CD34+最多,为(5.36±2.64)×106/kg,多发性骨髓瘤患者最少,为(3.45±0.76)×106/kg。化疗联合G-CSF和IL-11为最好的动员方案;18—60岁患者采集效果最好,60—65岁患者最差;男性较女性好。结论健康供者较恶性血液病患者动员效果好,健康供者中性别对采集效果无影响;无论是健康供者还是恶性血液病患者,动员、采集过程副作用小。 相似文献
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《中国输血杂志》2019,(9)
目的探讨未作动员的无关供者其外周血造血干细胞(PBSC)采集效果及其影响因素。方法收集2017年1月-2019年4月134例无关供者在本院未经粒细胞集落刺激因子(G-CSF)动员就用血细胞分离机采集外周血干细胞,分析比较男女2组采集前血常规指标及采集物指标的差异,并分别与采集前白细胞计数、血红蛋白(Hb)、红细胞比容(Hct)、血小板计数(Plt)、单个核细胞(MNC)数、采集时循环血量等因素进行相关性分析。结果所有采集者均采集成功,其外周血中是存在一定数量的MNC、CD34~+细胞。1)男性组采集前Hct、WBC、Hb、MNC数(46.34±2.22、6.71±1.30、159.97±8.71、2.71±0.47)均高于女性组(39.62±2.18、5.67±0.92、134.78±7.80、2.40±0.35),采集物中MNC%及MNC数(46.61±14.51、0.449±0.01)低于女性组(55.18±20.44、0.461±0.02)(P0.05)。2)男性组采集物MNC数(0.449±0.01)与采前WBC指标(6.71±1.30)成正相关、与循环总容量(5169.02±444.88)成负相关;女性组采集物MNC数(0.461±0.02)与采前WBC、Plt、MNC数(5.67±0.92、249.22±40.19、2.40±0.35)成正相关。3)女性组采集物CD34~+细胞(0.856±0.05)与采集者BMI、采前Plt成负相关(21.21±2.26、249.22±40.19)。4)女性组采集物容量(42.60±2.32)与采前WBC、Hct、Hb、Plt、MNC数指标(5.67±0.92、39.62±2.18、134.78±7.80、249.22±40.19、2.40±0.35)成负相关。结论未作动员的无关供者其外周血中是存在一定数量的MNC、CD34~+细胞,并能采集到满足临床CAR-T细胞疗法所需要的MNC阈值;供者因性别不同其PBSC采集效果不相同;男女两组PBSC采集效果与采集前血常规指标以及采集过程中循环血量等因素均有关联,但相关性各不相同。 相似文献
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健康供者外周血造血干细胞动员后采集的最佳时机 总被引:2,自引:0,他引:2
背景:外周血干细胞移植的首要条件是造血干细胞有效动员和采集,并能较快持久地重建造血.近年国内外不少单位已开展了此项工作,但平均每例供者采集次数较多,且造血干细胞的产率高低差别较大. 目的:探讨健康供者外周血造血干细胞动员后采集的最佳时机.方法:2003-01/2008-12海口市人民医院进行异基因外周血造血干细胞采集的健康捐赠者16例,随机分为2组,单纯动员组6例,皮下注射粒细胞集落刺激因子5.0~10.0 μg/(kg·d),共5 d;联合组10例,在单纯动员组基础上,静脉推注地塞米松10 mg.每例供者均采集2次外周血造血干细胞,单纯动员组与联合组又各分为2 h,4 h两个亚组,即若在第4天动员后2 h采集,则第5天在动员后4 h采集;若在第4天动员后4 h采集,则第5天在动员后2 h采集.16例供者采集量为4.0~5.0 mL,推赶量3.0~5.0 mL,总循环血量6.7~10.1 L.结果与结论:单纯动员组、联合组采集的单个核细胞数均达到(4.0~8.0)×10~8 kg~(-1).与2 h亚组比较,两组4 h亚组采集物的单个核细胞数均明显增加(P < 0.05).提示粒细胞集落刺激因子动员后第4,5天进行采集,4 h采集物的细胞浓度明显高于2 h;供者采集时循环血量是其自身循环血量的1.8~2.2倍时已能一次采集足够量的细胞数,有较合理的采集时间-价值-效益的关系. 相似文献
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目的探讨外周血造血干细胞(peripheral blood stem cell,PBSC)采集对健康供者血钾水平的影响,并进行原因分析,制订相应的护理对策。方法 2017年3月至2018年8月,便利抽样法选择在某医院血液内科行PBSC采集的133例健康供者为研究对象,连续收集其PBSC采集期间的血钾指标,观察并记录相应的临床症状、血钾水平,分析低血钾症的发生原因。结果 133例供者PBSC采集术前血钾水平均正常[(3.9±0.3)mmol/L],采集后血清钾水平降低[(3.2±0.4)mmol/L],差异有统计学意义(t=12.321,P0.01);术后有110例供者发生低钾血症,发生率为82.71%;不同程度的低钾血症供者临床症状的发生率差异无统计学意义(均P0.05)。结论应密切监测健康供者在PBSC采集过程中的血钾水平及相关临床症状,尽早发现低钾血症的发生并及时制订相应的医护策略予以纠正,以最大程度地减轻供者的不适,保障供者安全。 相似文献
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亲缘与非亲缘供者造血干细胞动员和采集的安全性比较 总被引:1,自引:0,他引:1
本研究对捐献骨髓及外周造血干细胞的健康亲缘供者及只捐献外周造血干细胞的非亲缘供者,在造血干细胞动员和采集的安全性方面进行比较。对2005年9月至2006年8月在北京大学人民医院血液病研究所提供异基因造血干细胞的亲缘供者100例及2003年11月至2007年12月在中国造血干细胞捐献者资料库北京管理中心登记的非血缘供者71例,在造血干细胞动员、采集及采集后1、3、6个月及每年进行了评估。对血常规指标、不良反应等进行观察记录,并对随访期间的长期不良反应及生活质量进行了问卷调查。结果显示:亲缘供者提供的骨髓+外周血干细胞总MNC剂量为6.70(4.11—12.23)×10^8/kg,总CD34^+细胞剂量为3.40(1.61—13.57)×10^6/kg:非亲缘供者提供的外周血干细胞总MNC剂量为6.69(3.35-11.48)×10^8/kg,总CD34^+细胞剂量为3.50(1.15—11.60)×10^6/kg。动员时的常见副作用为骨痛,在亲缘供者的发生率为47%,在非亲缘供者的发生率为43.7%,两组之间无显著性差异;采集时的常见副作用为感觉异常(口唇和四肢),在亲缘供者的发生率为25%,在非亲缘供者的发生率为29.6%,两组之间无显著性差异;所有供者对副作用皆可耐受,没有供者因为不能耐受而中断采集。亲缘供者由于骨髓和外周血的采集,其血红蛋白水平低于非亲缘供者[(125.8±20.2)g/L vs(143.2±20.1)g/L](P〈0.05)。非亲缘供者由于外周干细胞采集多为2次,其血小板计数低于亲缘供者[(126.2±57.2)×10^9/L vs(162.4±72.9)×10^9/L](P〈0.05)。在长期随访中,亲缘供者与非亲缘供者的血常规检查结果比较无显著性差异,无长期的不良反应,健康状况良好。结论:亲缘与非亲缘供者进行造血干细胞采集都是安全可行的。术前进行完备的检查,术中仔细操作、严密观察,及术后长期随访对于供者的安全有重要的意义。 相似文献
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常规剂量rhG-CSF动员无关供者外周血造血干细胞的效果观察 总被引:1,自引:0,他引:1
目的观察5μg/(kg·d)的rhG -CSF对20名无关供者外周血造血干细胞动员效果。方法rhG -CSF5μg/(kg·d)连续5d皮下注射,第4.5天、5.5天用CS3000血细胞分离机分2次采集外周血造血干细胞。结果动员第4.5天,MNC和CD34+细胞达高峰,第5.5天略有下降。第4.5天和5.5天采集产品的MNC分别为(324.3±67)×108个和(257.3±46.2)×108个,CD34+细胞数分别为(272±102)×106个和(201.5±79.4)×106个。所有受者均获满意的造血重建,而捐献者均未见明显的并发症。结论5μg/(kg·d)rhG- CSF动员外周血干细胞安全可靠。 相似文献
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造血干细胞亲缘供者的健康教育 总被引:1,自引:0,他引:1
目的 了解造血干细胞亲缘供者对异基因外周血干细胞移植(PBSCT)相关知识的了解情况,以便为亲缘供者提供有效的健康教育内容依据及方法。方法 自行设计PBSCT4方面的相关知识对50例亲缘供者进行调查,根据他们对实施PBSCT4方面知识了解情况,按文化程度分为大学及以上组(18例),大专、高中及中专组(21例)和初中及以下组(11例),对他们实施个性化、分阶段的全程健康教育,并调查他们对健康教育的满意度及外周血干细胞(PBSC)采集的产量情况。结果 教育前后各组供者对PBSCT相关4方面知识的掌握率比较,差异均有统计学意义,P〈0.05;供者对健康教育的满意度为98.8%;PBSC的采集产量均达到异基因造血干细胞移植(Allo—HSCT)的要求。结论 实施个性化、分阶段全程健康教育,可建立供者积极的捐献信念和态度,解除心理顾虑,增加了供者接受治疗护理的顺应性与自我防护意识,从而提高了采集的效率,减少了并发症的发生,提高了供者对护理健康教育工作的满意度。 相似文献
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目的 了解造血干细胞亲缘供者对异基因外周血干细胞移植(PBSCT)相关知识的了解情况,以便为亲缘供者提供有效的健康教育内容依据及方法.方法 自行设计PBSCT 4方面的相关知识对50例亲缘供者进行调查,根据他们对实施PBSCT4方面知识了解情况,按文化程度分为大学及以上组(18例),大专、高中及中专组(21例)和初中及以下组(11例),对他们实施个性化、分阶段的全程健康教育,并调查他们对健康教育的满意度及外周血干细胞(PBSC)采集的产量情况.结果 教育前后各组供者对PBSCT相关4方面知识的掌握率比较,差异均有统计学意义,P<0.05;供者对健康教育的满意度为98.8%;PBSC的采集产量均达到异基因造血干细胞移植(Allo-HSCT)的要求.结论 实施个性化、分阶段全程健康教育,可建立供者积极的捐献信念和态度,解除心理顾虑,增加了供者接受治疗护理的顺应性与自我防护意识,从而提高了采集的效率,减少了并发症的发生,提高了供者对护理健康教育工作的满意度. 相似文献
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《Transfusion and apheresis science》2020,59(2):102679
BackgroundThe collection of a sufficient number of stem cells is important for success of allogeneic hematopoietic stem cell transplantation (HSCT). This study aimed to investigate the factors associated with successful allogeneic peripheral stem cell (PBSC) collection in healthy donors.MethodsWe retrospectively reviewed clinical data of allogeneic PBSC collection in 175 donors from 2007 to 2017 at the National Cancer Center, Korea. This study analyzed factors associated with the CD34+ cell yield such as the characteristics of donors, including age, laboratory results before apheresis, and data of procedures on the first day. The CD34+ cell dose of ≥ 4.0 × 106/kg have recently been the accepted minimum recommended dose in allogeneic HSCT settings, and this was the target dose in our study.ResultsThe factors associated with the CD34+ cell yield were age (p = 0.007), baseline platelet (PLT) (p = 0.014), and pre-collection hematopoietic progenitor cells (HPCs) (p = 0.001) by multivariate analysis. This study represented that age, baseline platelet count, and pre-collection HPC count are important predictive factors as shown in other previous studies.ConclusionOur data suggest that young age, high baseline platelet counts and high HPC counts before collection might be useful for identifying successful mobilizers. 相似文献
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Background and Objectives
Although several studies have reported on the use of children as donors for peripheral blood stem cells (PBSC), data on the predictive factors of CD34+ stem cell yield in healthy pediatric donors are very limited.Design and Method
We retrospectively analyzed factors predicting the yield for a target CD34 cell dose of >3 × 106/kg recipient body weight in 140 apheresis in 100 healthy pediatric donors. The donors were evaluated in four groups assigned according to their ages of being 0–4 years, 5–9 years, 10–14 years and 15–18 years. 38 donors underwent second apheresis, two of which required third apheresis.Results
Median age and body weight were 9.8 years (range: 2–18 years) and 35.8 kg (range 11–84 kg), respectively. The median number of CD34+ cells in first apheresis was 3.9 × 106/kg of recipient body weight (RBW) (range: 0.03–33 × 106/kg RBW). Sixty–two out of 100 donors (62%) needed only one apheresis. The CD34+ cell count in stem cell product and the amount of CD34+ cell yield considering donors’ body weight obtained from the first apheresis was not statistically different among defined age groups. On multivariate analysis, variables that had a significant impact on CD34+ cell collection being more than 3 × 106 kg RBW were donor to recipient weight ratio and periperal CD34+ cell count.Conclusion
Our data suggest that CD34+ stem cell yield can be predicted from circulating CD34+ cell concentration on apheresis day and donor to recipient weight ratio in healthy pediatric donors. 相似文献13.
目的探讨未动员的外周血造血干细胞(PBSC)采集效果及影响因素。方法应用血细胞分离机对112例未经重组人粒细胞集落刺激因子(rhG-CSF)动员的健康供者进行PBSC采集,并分析年龄、体质量指数(BMI)、采集前血常规指标、采集循环血容量、处理血量及循环次数等因素对男女两组供者所采集获得的单个核细胞(MNC)、CD34+计数的影响,同时比较分析男女两组供者采集前血常规指标及采集过程、采集物等指标。结果男性组年龄,BMI,采集前血细胞比容(Hct)、血红蛋白(Hb)、MNC计数、白细胞(WBC)计数,总循环血量高于女性组,而采集处理血量、采集物中MNC计数低于女性组,差异均有统计学意义(P<0.05)。在男性组中,采集物中MNC计数的影响因素为采集循环数(P=0.018),CD34+计数的影响因素为采集前血小板(PLT)计数(P=0.048)。女性组年龄、采集前PLT计数、WBC计数、MNC百分比、MNC计数是采集物中MNC计数的影响因素(P<0.05),采集前Hct、PLT计数及采集处理血量是采集物中CD34+计数的影响因素(P<0.05)。结论未经rhG-CSF动员的健康供者其外周血中存在一定数量的MNC、CD34+细胞,并能采集到满足临床嵌合抗原受体T细胞疗法所需要的MNC阈值。健康供者不同年龄、性别、总循环血量等可致采集效果不一致;采集前关注血常规中PLT计数有助于预测PBSC采集效果。 相似文献
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目的 探讨健康供者体内应用rhG-CSF初次采集造血于细胞以后二次外周血造血干细胞采集的时机.方法 38例二次采集外周血干细胞的健康供者皮下注射rhG-CSF 5 μg·kg-1·d-1,连用5 d,在第5、6天采集外周血移植物(A组);A组供者初次采集时的资料作为对照(B组);A组供者依据初次和二次采集的75%间隔时间分为C组(≤9个月,n=30)和D组(>9个月,n=8).应用流式细胞术检测各组供者外周血采集物中的淋巴细胞,CD3+、CD3+CD4+、CD3+CD8+、CD14+、CD34+细胞以及CD3+CD4-CD8-T细胞的数量.结果 A组供者外周血采集物中淋巴细胞CD3+CD8+(25.51×108)和CD34+细胞(0.51×108)的中位含量显著低于B组(31.55×108和0.70×108,P<0.05);C组供者CD3+CD8+(23.42×108)和CD34+细胞(0.42×108)的中位含量显著低于B组(P<0.05);D组供者淋巴细胞,CD3+、CD3+CD4+、CD3+CD8+、CD14+、CD34+细胞以及CD3+CD4-CD8-T细胞的中位含量与B组的差异无统计学意义(P>0.05).A、C和D三组采集物中CD4+与CD8+细胞的比值、单核细胞与CD3+细胞的比值以及CD3+CD4-CD8-T细胞与CD3+细胞的比值与B组的差异均无统计学意义(P>0.05).38名健康供者初次和二次采集的间隔时间与二次采集物中的CD34+细胞存在显著的相关性(r=0.357,P=0.028).结论 健康供者二次采集外周血造血干细胞的时机以初次采集的9个月后为宜,9个月内采集应适当增加循环血量以保证移植物中的免疫和造血组分能满足临床需要. 相似文献
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Stroncek DF Clay ME Jaszcz W Lennon S Smith J McCullough J 《Transfusion medicine (Oxford, England)》1999,9(1):37-50
When peripheral blood stem cell (PBSC) concentrates are used for allogeneic transplants, two or more apheresis procedures must often be performed. To determine how many cells could be collected from healthy people by two back-to-back apheresis procedures and what effect these collections would have on donors, we gave 19 healthy people 5 micrograms kg-1 day-1 and 21 people 10 micrograms kg-1 day-1 of granulocyte colony stimulating factor, filgrastim, for 5 days. We then collected two PBSC concentrates, one on day 5 and one on day 6. A third group of six people was given filgrastim 10 micrograms kg-1 day-1 for 5 days but had no PBSC concentrates collected. PBSC concentrate cell counts and donor cell counts, symptoms, and blood chemistries were assessed for up to 1 year. On day 5, three times more CD34+ cells were collected from donors given 10 micrograms kg-1 day-1 than those given 5 micrograms kg-1 day-1 (P = 0.009) but on day 6 the quantity of cells collected was the same (P = 0.23). The total number of CD34+ cells collected was two times greater in donors given the higher dose of filgrastim (median = 579 x 10(6); range = 174-1639 x 10(6) compared to 237 x 10(6); 103-1670 x 10(6); P = 0.061). Platelet counts fell after each PBSC concentrate collection, but there were no differences between the two groups of donors in platelet counts measured immediately after each collection. The platelet counts also fell in people who did not donate PBSC concentrates. The lowest counts in all three groups of people also occurred on day 10. In PBSC donors given 10 micrograms kg-1 day-1 of filgrastim the absolute neutrophil count (ANC) fell below premobilization counts on day 14. In donors given 5 micrograms kg-1 day-1 the ANC fell below premobilization counts on days 21, 28 and 49, CD34+ cell counts were significantly lower than premobilization counts on days 14 and 28 in donors given 10 micrograms kg-1 day-1 of filgrastim and on day 14 in those given 5 micrograms kg-1 day-1. No decrease in neutrophil or CD34+ cell counts occurred after filgrastim was given in the people who did not donate PBSC concentrates. The incidence of symptoms was similar in both groups of PBSC concentrate donors, except that those given 10 micrograms kg-1 day-1 were more than twice as likely to experience myalgias as those receiving the lower dose (P = 0.029). Several blood chemistries changed. Levels of alkaline phosphatase, LDH, SGPT, SGOT, uric acid and sodium increased. Levels of bilirubin, total protein, potassium, calcium and chloride decreased. In conclusion, twice as many CD34+ cells were collected from donors given 10 micrograms kg-1 day-1 of filgrastim. Platelet, neutrophil and CD34+ cell counts fell after the PBSC concentrate collections. The fall in platelet counts was due to both the collection and the administration of filgrastim. The falls in neutrophil and CD34+ cell counts were due to the loss of haematopoietic progenitor cells in the PBSC concentrates. Allogeneic PBSC concentrate donors should be given 10 micrograms kg-1 day-1 of filgrastim, and if possible only one component should be collected in order to avoid thrombocytopenia. 相似文献
16.
目的考察利用COBE Spectra血细胞分离机采集幼儿外周血造血干/祖细胞的影响因素。方法根据患儿体重(≤15 kg,>15 kg)、采集时外周血白细胞计数(≤5×109/L,>5×109/L)、淋巴细胞+单核细胞比例(≤18%,>18%)、Hct(≤25%,>25%)、采血速度(≤20 mL/min,>20 mL/min)血细胞分离机报警次数(≤3次,>3次)分别分组,比较2组患儿的每公斤体重单个核细胞计数、CD34+细胞计数及所占比例。结果淋巴细胞+单核细胞比例>18%组与≤18%组比较,Hct>25%组与≤25%组比较,血细胞分离机报警次数≤3次组与>3次组比较,在每公斤体重单个核细胞计数、CD34+细胞计数及所占比例均有显著差异(P<0.01)。其余组别之间差异不显著(P>0.05)。结论采用COBE Spectra血细胞分离机采集幼儿外周血造血干/祖细胞时,淋巴细胞+单核细胞比例、患儿红细胞比积及血细胞分离机报警次数是影响采集得率的因素。 相似文献
17.
目的 总结无关供者外周血千细胞(PBSC)动员和采集情况.方法 24例无关供者给予重组人粒细胞集落刺激因子(rhG-CSF)5 μμg·kg-1·d-1,每天皮下注射,第4、5天或5、6天用CS-3000PLUS血细胞分离机采集外周血干细胞,计数采集物中单个核细胞(MNC)和CD34+细胞.结果 所有供者均安全顺利完成... 相似文献
18.
IntroductionPediatric PBSC harvests pose specific challenges during apheresis and a knowledge of the same and variables affecting PBSC collection are very important in planning these procedures. In the present study safety profile of pediatric PBSC procedures and variables influencing the successful collection were analyzed.MethodPediatric PBSC harvest data for 3 years was reviewed for donor, procedural and product parameters and any specific challenges faced during the procedures. Successful PBSC collection was defined when CD34 dose obtained was ≥2 × 106 cells/Kg of recipients’ body weight.Results85 PBSC collections performed on 46 children (age range 1.5–15 years) were included. Sixty-two procedures were on autologous donors and 23 on allogenic donors. The median CD34+ cell dose in the PBSC product per procedure was 2.12 × 106 cells/Kg for autologous procedures and 4.6 × 106 cells/Kg for allogenic procedures. Systemic adverse reaction was observed during only one procedure (0.01 %) and was managed conservatively. Successful dose was collected in 52 procedures (61.17 %) and was significantly associated with CD34+ count of more than 19.7/μL, monocyte count of more than 1.65 × 106/μL, allogenic collection and female gender (p = 0.00001, p = 0.011, p = 0.00052, and p = 0.0001, respectively).ConclusionPBSC collection is safe in pediatric age groups and pre-procedure CD34 count of ≥20/μL on the day of collection may result in successful collection of stem cell dose. It is important to identify factors associated with failed collection for appropriate counselling and justifying pre-emptive use of stem cell mobilizing agents. 相似文献
19.
目的:探讨COAEP化疗方案联合粒细胞集落刺激因子(G-CSF)治疗对血液病患者外周血干细胞(PBSC)动员的效果。方法:选择恶性血液病患者24例,其中非霍奇金淋巴瘤(NHL)15例,多发性骨髓瘤(MM)6例,霍奇金病(HD)3例?以COAEP方案动员[dl(第1天):环磷酰胺(CTX)400mg/m^2,长春地辛(VDS)2mg/m^2;dl-5应用阿糖胞苷(Ara—C)60mg/m^2.依托泊甙(VP-16)60mg/m^2,泼尼松(Pred)30mg/m^2]。将患者随机分为试验组和对照组。试验组取患者化疗后白细胞抑制达最低点开始稳定回升(第二次回升)时为节点.予G-CSF(惠尔血)300μg/d;而对照组以动员方案结束后向细胞跌至低谷首次回升时即使用G—CSF300μg/d。2组患者开始使用G—CSF后每日查血常规,当白细胞计数〉10.0×10^9/L和单个核细胞(MNC)计数〉1.0×10^9/L时使用COBE血细胞分离机,以自动单个核细胞分离程序采集PBSC.结果:使用COAEP方案动员后,24例恶性血液病患者平均获得的CD34+细胞数达每例17.25×10^6/kg。试验组患者平均使用G—CSF的时间为4.17d,采集PBSC次数为1~2次,采集液CD34+细胞数为每例11.73×10^6/kg(何均值):对照组患者平均使用G—CSF的时间为5.92d,采集PBSC次数为1~2次,采集液CD34+细胞数为每例1.79×10^6/kg(几何均值),2组间差异有统计学意义(P〈0.0028),结论:COAEP联合化疗可作为血液病患者自体PBSC动员的方案,并能获得良好的干细胞产率:患者白细胞开始稳定回升时使用G—CSF,可显著提高PBSC产率:根据患者外同血白细胞计数及单个核细胞数决定PBSC采集时机有效可行,值得临床推广。 相似文献