9-监测ABO不相容性肾移植的ABO血型抗体滴度
合集下载
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
rejection is uncertain
ABO抗体滴度目标
移植前目标: • 滴度≤16 移植后 • 继续监测ABO抗体滴度 • 对于预测抗体介导的排斥反应的意义仍不确定
Plasmapheresis Procedures
ABO Antibody Titer (AHG)
< 16 16 32 64 128 256 512 1024 >1024
或因ABO血型或HLA抗体介导的排斥反应 ▪ ABO不相容性 ▪ 供-受者交配反应阳性(HLA) ▪ 病人移植后出现抗体介导的排斥反应(HLA)
ABO Incompatible Transplantation
Based on Japanese experience Based on our experience/protocol for crossmatch positive
ABO不相容的移植
▪基于日本的经验 ▪基于我们对交配阳性的供-受者和抗体 介导的 排斥反应的经验/方案 ▪腹腔镜捐献者取肾促进了该类移植 ▪强化随访的予处理方案
术前/后血浆置换 静脉注射IgG和免疫抑制
Reference
Reference
ABO不相容性肾移植的长期结果
ABO不相容性病人在亲属活体肾移植后抗-A、B的滴度变化
meningococcus, haemophilus influenzae), regardless of splenectomy status Pheresis plan established (number of procedures pre and postop)
治疗方案
免疫抑制,可能包括脾切除 不管是否脾切除,所有病人接种疫苗(肺 炎球菌、脑膜炎球菌、流感嗜血杆菌 ) 建立置换计划(术前/术后的置换程序和 次数)
ABO incompatible Donor-recipient with positive crossmatches (HLA) Posttransplant patients who develop AMR (HLA)
目的
扩大器官捐献群体及移植器官的来源 减少器官移植的等待时间 通过免疫调节方案,防止超急性排斥反应及/
Pretransplant Treatments (#)
2 2 3 4 5-6 7-8 9-10 10-12 > 15
Posttransplant Treatments (#)
2 2 3 3 3 4 4 4 5
血浆置换过程
ABO抗体滴度
< 16 16 32 64 128 256 512 1024 >1024
Blood Group Days
O
1836
A
1135
B
2032
AB
732
2001-2002年间登记的病人, 到2007年5月25日平均等待时间是
血型 O A B AB
天数 1836 1135 2032 732
Objectives
Expand donor pool and availability of organs for transplantation
2006年
进行了17,902个肾移植,其中6,433约37.6%是活
体肾移植
血型 肾移植
O
7,662
A
6,354
B
2,255
AB
821பைடு நூலகம்
Deaths on Waiting List
In 2006, 4,056 patients
2,049 Group O
died waiting for a kidney 1,250 Group A
except procedures immediately pre- and postsurgery, replace with plasma
血浆置换
去除天然的抗-A/抗-B抗体 术前/后都进行置换 去除一个血浆容量 等量替换 用5% 的白蛋白置换 • 除术前/后立即的置换外,只用血浆置换
所有血型
75,711
8,079
O 39,713
4,459
A 21,457
1,844
B 12,379
1,592
AB 2,162
184
Cadaveric Kidney Transplant Wait
If registered in 20012002, median wait times as of May 25, 2007
transplant, or 11.1 patients 629 Group B
died per day
128 Group AB
在等待中死去的病人
2006年,共有4,056名等 待肾移植的病人死亡,即每天 有11.1名病人在等待中死去。
Cadaveric Kidney Transplant Wait
评估 • HLA和ABO分型及抗体滴度分析 • 每周会议的评述 • 根据HLA与 ABO相配情况决定最佳捐献者 • 建立治疗方案
Treatment Plan
Immunosuppression, may include splenectomy All patients vaccinated (pneumococcus,
donor/recipient pairs and antibody-mediated rejection Facilitated by laparoscopic donor nephrectomy Preparative regimen with intensive follow up
pre/postoperative plasmapheresis IVIgG and immunosuppression
HLA and ABO typing and titers Review at weekly meeting determination of optimal donor (HLA vs ABO) treatment plan established
我们的方案
根据日本方案改进 初步评价 • 捐献者和受者进行医学、心理和社会服务的
ABO Incompatible Kidney Transplant Program
背景知识
约翰 霍伯金斯大学医院 病理系 输血医学部 美国血库协会 血库技术专家 ABO 血型不相容性肾移植计划
Crossing the ABO Barrier for Kidney Transplants
As of May 25, 2007: 75,711 patients awaiting kidney transplantation
白(AHG)实验阶段 用Marsh 0到12打分系统给凝集打分 AHG最终滴度是样品出现肉眼可见的(3分)凝集的最高
稀释倍数
ABO Antibody Titers
It is time consuming Turn around time is critical Our experience indicates that only the AHG
移植前治疗次数
2 2 3 4 5-6 7-8 9-10 10-12 > 15
移植后治疗次数
2 2 3 3 3 4 4 4 5
ABO Antibody Titers
Conventional test tube method
AABB technical manual 15th ed. Bethesda: American Association of Blood Banks, 2005.
ABO Antibody Titer Goals
Pretransplant goal:
titer 16 or less
Posttransplant
Continue to monitor ABO antibody titers Significance in prediction of antibody mediated
In 2006, 17,092 kidney transplants were performed (6,433 or 37.6% living donors): Group O 7,662 A 6,354 B 2,255 AB 821
克服ABO血型障碍进行的肾移植
至2007年5月25日止,
有75,711名病人在等待进行肾移植
Background Information
Johns Hopkins Hospital Department of Pathology
Transfusion Medicine Division
Specialist in Blood Bank Technology
AABB (American Association of Blood Banks)
Decrease time on organ waiting list Circumvent hyperacute rejection and/or AMR (due to ABO
and/or HLA antibodies) by developing immunomodulatory protocols
macropscopic (score 3) agglutination
ABO抗体滴定
常规的试管法
AABB技术手册 样品用0.9%的盐水进行连续稀释 加入适量的混合ABO血型指示细胞( Immucor ,
Norcross, GA ) 22度孵育30分钟 37度孵育30分钟 单特异性抗-IgG (Immucor, Norcross, GA) 的抗人球蛋
我们的不相容肾移植项目
▪专业化的服务和临床 ▪每周跨科的综合查房,包括血库、单 采、HLA实验室、肾科、移植外科、 药剂师、心理学家和社会工作者
Our Protocol
Modified from the Japanese protocol Initial evaluation
donor and recipient medical, psychological and social work evaluations
Our Program- InkTp
Specialized Incompatible Kidney Transplant service and clinic
Weekly interdisciplinary rounds, composed of blood bank, apheresis service, HLA lab, nephrology, transplant surgery, pharmacist, psychologist, and social worker
As of 5/25/07
All ABO O A B AB
Registered 75,711 39,713 21,457 12,379 2,162
5 or More Years 8,079 4,459 1,844 1,592 184
等待尸肾移植的病人数及等待时间
至07年5月25日 登记 等待 5年或5年以上
Serial dilutions of each sample were prepared in 0.9% saline Pooled indicator cells (Immucor, Norcross, GA) of the appropriate ABO type were
added 30 minutes 22C incubation test phase 30 minutes 37C incubation test phase AHG test phase using monospecific anti-IgG (Immucor, Norcross, GA) Agglutination was scored using the Marsh 0 to 12 scoring system AHG titer endpoint was the reciprocal of the highest dilution demonstrating
Plasmapheresis
Removes natural anti-A and/or anti-B antibodis Both preop and postop procedures Remove 1 plasma volume Replace at 100% of volume removed Replace with 5% albumin
ABO抗体滴度目标
移植前目标: • 滴度≤16 移植后 • 继续监测ABO抗体滴度 • 对于预测抗体介导的排斥反应的意义仍不确定
Plasmapheresis Procedures
ABO Antibody Titer (AHG)
< 16 16 32 64 128 256 512 1024 >1024
或因ABO血型或HLA抗体介导的排斥反应 ▪ ABO不相容性 ▪ 供-受者交配反应阳性(HLA) ▪ 病人移植后出现抗体介导的排斥反应(HLA)
ABO Incompatible Transplantation
Based on Japanese experience Based on our experience/protocol for crossmatch positive
ABO不相容的移植
▪基于日本的经验 ▪基于我们对交配阳性的供-受者和抗体 介导的 排斥反应的经验/方案 ▪腹腔镜捐献者取肾促进了该类移植 ▪强化随访的予处理方案
术前/后血浆置换 静脉注射IgG和免疫抑制
Reference
Reference
ABO不相容性肾移植的长期结果
ABO不相容性病人在亲属活体肾移植后抗-A、B的滴度变化
meningococcus, haemophilus influenzae), regardless of splenectomy status Pheresis plan established (number of procedures pre and postop)
治疗方案
免疫抑制,可能包括脾切除 不管是否脾切除,所有病人接种疫苗(肺 炎球菌、脑膜炎球菌、流感嗜血杆菌 ) 建立置换计划(术前/术后的置换程序和 次数)
ABO incompatible Donor-recipient with positive crossmatches (HLA) Posttransplant patients who develop AMR (HLA)
目的
扩大器官捐献群体及移植器官的来源 减少器官移植的等待时间 通过免疫调节方案,防止超急性排斥反应及/
Pretransplant Treatments (#)
2 2 3 4 5-6 7-8 9-10 10-12 > 15
Posttransplant Treatments (#)
2 2 3 3 3 4 4 4 5
血浆置换过程
ABO抗体滴度
< 16 16 32 64 128 256 512 1024 >1024
Blood Group Days
O
1836
A
1135
B
2032
AB
732
2001-2002年间登记的病人, 到2007年5月25日平均等待时间是
血型 O A B AB
天数 1836 1135 2032 732
Objectives
Expand donor pool and availability of organs for transplantation
2006年
进行了17,902个肾移植,其中6,433约37.6%是活
体肾移植
血型 肾移植
O
7,662
A
6,354
B
2,255
AB
821பைடு நூலகம்
Deaths on Waiting List
In 2006, 4,056 patients
2,049 Group O
died waiting for a kidney 1,250 Group A
except procedures immediately pre- and postsurgery, replace with plasma
血浆置换
去除天然的抗-A/抗-B抗体 术前/后都进行置换 去除一个血浆容量 等量替换 用5% 的白蛋白置换 • 除术前/后立即的置换外,只用血浆置换
所有血型
75,711
8,079
O 39,713
4,459
A 21,457
1,844
B 12,379
1,592
AB 2,162
184
Cadaveric Kidney Transplant Wait
If registered in 20012002, median wait times as of May 25, 2007
transplant, or 11.1 patients 629 Group B
died per day
128 Group AB
在等待中死去的病人
2006年,共有4,056名等 待肾移植的病人死亡,即每天 有11.1名病人在等待中死去。
Cadaveric Kidney Transplant Wait
评估 • HLA和ABO分型及抗体滴度分析 • 每周会议的评述 • 根据HLA与 ABO相配情况决定最佳捐献者 • 建立治疗方案
Treatment Plan
Immunosuppression, may include splenectomy All patients vaccinated (pneumococcus,
donor/recipient pairs and antibody-mediated rejection Facilitated by laparoscopic donor nephrectomy Preparative regimen with intensive follow up
pre/postoperative plasmapheresis IVIgG and immunosuppression
HLA and ABO typing and titers Review at weekly meeting determination of optimal donor (HLA vs ABO) treatment plan established
我们的方案
根据日本方案改进 初步评价 • 捐献者和受者进行医学、心理和社会服务的
ABO Incompatible Kidney Transplant Program
背景知识
约翰 霍伯金斯大学医院 病理系 输血医学部 美国血库协会 血库技术专家 ABO 血型不相容性肾移植计划
Crossing the ABO Barrier for Kidney Transplants
As of May 25, 2007: 75,711 patients awaiting kidney transplantation
白(AHG)实验阶段 用Marsh 0到12打分系统给凝集打分 AHG最终滴度是样品出现肉眼可见的(3分)凝集的最高
稀释倍数
ABO Antibody Titers
It is time consuming Turn around time is critical Our experience indicates that only the AHG
移植前治疗次数
2 2 3 4 5-6 7-8 9-10 10-12 > 15
移植后治疗次数
2 2 3 3 3 4 4 4 5
ABO Antibody Titers
Conventional test tube method
AABB technical manual 15th ed. Bethesda: American Association of Blood Banks, 2005.
ABO Antibody Titer Goals
Pretransplant goal:
titer 16 or less
Posttransplant
Continue to monitor ABO antibody titers Significance in prediction of antibody mediated
In 2006, 17,092 kidney transplants were performed (6,433 or 37.6% living donors): Group O 7,662 A 6,354 B 2,255 AB 821
克服ABO血型障碍进行的肾移植
至2007年5月25日止,
有75,711名病人在等待进行肾移植
Background Information
Johns Hopkins Hospital Department of Pathology
Transfusion Medicine Division
Specialist in Blood Bank Technology
AABB (American Association of Blood Banks)
Decrease time on organ waiting list Circumvent hyperacute rejection and/or AMR (due to ABO
and/or HLA antibodies) by developing immunomodulatory protocols
macropscopic (score 3) agglutination
ABO抗体滴定
常规的试管法
AABB技术手册 样品用0.9%的盐水进行连续稀释 加入适量的混合ABO血型指示细胞( Immucor ,
Norcross, GA ) 22度孵育30分钟 37度孵育30分钟 单特异性抗-IgG (Immucor, Norcross, GA) 的抗人球蛋
我们的不相容肾移植项目
▪专业化的服务和临床 ▪每周跨科的综合查房,包括血库、单 采、HLA实验室、肾科、移植外科、 药剂师、心理学家和社会工作者
Our Protocol
Modified from the Japanese protocol Initial evaluation
donor and recipient medical, psychological and social work evaluations
Our Program- InkTp
Specialized Incompatible Kidney Transplant service and clinic
Weekly interdisciplinary rounds, composed of blood bank, apheresis service, HLA lab, nephrology, transplant surgery, pharmacist, psychologist, and social worker
As of 5/25/07
All ABO O A B AB
Registered 75,711 39,713 21,457 12,379 2,162
5 or More Years 8,079 4,459 1,844 1,592 184
等待尸肾移植的病人数及等待时间
至07年5月25日 登记 等待 5年或5年以上
Serial dilutions of each sample were prepared in 0.9% saline Pooled indicator cells (Immucor, Norcross, GA) of the appropriate ABO type were
added 30 minutes 22C incubation test phase 30 minutes 37C incubation test phase AHG test phase using monospecific anti-IgG (Immucor, Norcross, GA) Agglutination was scored using the Marsh 0 to 12 scoring system AHG titer endpoint was the reciprocal of the highest dilution demonstrating
Plasmapheresis
Removes natural anti-A and/or anti-B antibodis Both preop and postop procedures Remove 1 plasma volume Replace at 100% of volume removed Replace with 5% albumin