应用钙调磷酸酶抑制剂的慢性移植肾失功患者换用西罗莫司后所致的蛋白尿研究  

Proteinuria induced by switching from calcineurin inhibitors to sirolimus in renal transplant pa- tients with allograft dysfunction

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作  者:刘喜军[1] 李海潮[1] 李荣军[1] 魏秀举[1] 

机构地区:[1]山西省大同市第三人民医院泌尿外科,037008

出  处:《中国实用医刊》2012年第2期36-38,共3页Chinese Journal of Practical Medicine

摘  要:目的探讨应用钙调磷酸酶抑制剂的慢性移植肾失功患者在换用西罗莫司后的肾功能改善情况和并发蛋白尿的研究。方法36例患者肾移植术后均采用以环孢素A为主的免疫抑制方案预防排斥反应,一旦出现慢性移植肾失功的临床表现,并行活组织检查有慢性移植肾肾病表现后,逐渐停用环孢素A,同时加用西罗莫司。换药前后检测患者的血清肌酐、24h尿蛋白含量、肾小球滤过率、肾有效血浆流量、进行尿蛋白电泳。结果27例患者在使用西罗莫司后肾脏功能得到了改善,血肌酐水平由(185±33)μmol/L降至(142±30)μmol/L。11例患者的蛋白尿明显增加,由换药之前的(338±41)mg/24h增加到换药之后的(1241±358)mg/24h(P=0.006),其中白蛋白(1104±401)mg/24h,占总尿蛋白含量的89%。肾小球滤过率从(49±12)ml/min增加到(69±15)mE/min(P=0.01),肾有效血浆流量由(246±72)mE/min轻微上升到(313±78)mE/min(P=0.063)。结论应用钙调磷酸酶抑制剂的慢性移植肾失功患者在换用西罗莫司后多数患者肾脏功能得到了改善,然而30.6%的患者并发了明显的肾小球性蛋白尿,肾小球滤过功能的改变可能是产生蛋白尿的原因之一。Objective To investigate the renal function and proteinuria in renal transplant patients with allograft dysfunction after switching from calcineurin inhibitors (CNIs) to siroli- mus. Methods Thirty-six renal transplant patients were included in our study. All patients were treated with cyclosporine A and had Clinical signs of CAD. In all patients, a transplant biopsy was scheduled to confirm the diagnosis histologically. After the diagnosis, the CI was withdrawn in all patients and was re- placed with SRL. Serum creatinine, proteinuria/24 h, effective renal plasma flow (ERPF) and glomeru- lar filtration rate (GFR) were determined before and 8 months after conversion. Results The renal function was significant improved in 27 patients, their serum creatinine decreased from( 185 ± 33 ) μmol/L to ( 142 ±30 ) μmoL/L ( P = 0. 02 ). Eleven patients showed an increase of proteinuria from ( 338 ± 41 ) mg/24 h to( 1241 ± 358 ) mg/24 h ( P = 0. 006 ) after conversion. And mean albumin excretion were( 1104 ±401 ) mg,/24 h(89% ). Glomerular filtration rate increased from(49 ± 12) ml/min to(69 ± 15) ml/min( P =0. 01). ERPF tendentially increased from (246±72)ml/min to(313±78) ml/min ( P = 0. 063). Conclusions Conversion from CNIs to sirolimus in renal transplant patients with chronic allograft nephropathy is associated with improved renal function.

关 键 词:肾移植 西罗莫司 蛋白尿 

分 类 号:R699[医药卫生—泌尿科学]

 

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