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1.
Article in Chinese | WPRIM | ID: wpr-870587

ABSTRACT

Objective:To summarize the patient profiles and therapeutic efficacies of ABO-incompatible living-related kidney transplantations at 19 domestic transplant centers and provide rationales for clinical application of ABOi-KT.Methods:Clinical cases of ABO-incompatible/compatible kidney transplantation (ABOi-KT/ABOc-KT) from December 2006 to December 2009 were collected. Then, statistical analyses were conducted from the aspects of tissue matching, perioperative managements, complications and survival rates of renal allograft or recipients.Results:Clinical data of 342 ABOi-KT and 779 ABOc-KT indicated that (1) no inter-group differences existed in age, body mass index (BMI), donor-recipient relationship or waiting time of pre-operative dialysis; (2) ABO blood type: blood type O recipients had the longest waiting list and transplantations from blood type A to blood type O accounted for the largest proportion; (3) HLA matching: no statistical significance existed in mismatch rate or positive rate of PRA I/II between two types of surgery; (4) CD20 should be properly used on the basis of different phrases; (5) hemorrhage was a common complication during an early postoperative period and microthrombosis appeared later; (6) no difference existed in postoperative incidence of complications or survival rate of renal allograft and recipients at 1/3/5/10 years between ABOi-KT and ABOc-KT. The acute rejection rate and serum creatinine levels of ABOi-KT recipients were comparable to those of ABOc-KT recipients within 1 year.Conclusions:ABOi-KT is both safe and effective so that it may be applied at all transplant centers as needed.

2.
Article in Chinese | WPRIM | ID: wpr-672287

ABSTRACT

Objective To investigate the diagnosis and treatment of pulmonary tuberculosis in renal transplantation recipients.Method The clinical data of 8 renal transplantation recipients suffering from pulmonary tuberculosis infection were retrospectively analyzed.Result Fever,cough and expectoration were the most common symptoms,however,lacking typicality.Images of chest Xray and CT scan were various and couldn't verify TB infection from pneumonia.Seven of 8 cases were diagnosed through invasive methods,either bronchofibroscope or fiberthoracoscopy.Immunosuppressants were decreased in all cases.Three-drug regimens,including isoniazide,rifampicin and ethambutol or pyrazinarnide,were administrated as anti-tuberculosis chemotherapy.All the cases were cured,without episodes like acute rejection and liver function impairment.Conclusion Routine examinations are not sufficient to diagnose pulmonary tuberculosis in kidney transplantation recipients.While,invasive methods like bronchofibroscope and fiberthoracoscope are helpful.When diagnosed,patients should receive normative anti-tuberculosis treatment and immunosuppressive agents adjustment,which can benefit the prognosis of pulmonary tuberculosis in renal transplantation recipients.

3.
Article in Chinese | WPRIM | ID: wpr-418530

ABSTRACT

Objective To observe the protection and distribution of bone marrow mesenchymal stem cells (MSCs) by distinct intravenous infusion time on renal ischemia reperfusion injury (IRI) in rats.Methods We used unilateral nephrectomy and contralateral vascular occlusion method to establish renal IRI model in rats.The experimental groups which received 2 × 106 MSCs infusion through the tail vein,were subsequently divided into 3 subgroups:2 h pre-reperfusion (PreOp,n =16),immediately after reperfusion (Op,n =16),6 h post-reperfusion (PostOp,n - 16).The control groups included sham operation group (n =16) and ischemia group (n =16).Chemotaxis of DAPI-labeled MSCs was detected 6 h after administration in the IR kidney.Renal function was detected at 6,24,and 48 h respectively after operation. Forty eight h after operation,the renal tissues were harvested to observe the pathological changes by HE staining and the tubular epithelial cell apoptosis via TUNEL assay.Results MSCs were found in the experimental groups after IR in the kidney,most in PostOp group.Twenty-four and 48 h after reperfusion,there was no significant difference in Cr and BUN between the experimental groups and sham operation group (P>0.05),but the levels of Cr and BUN in the experimental groups were significantly lower than in the IR group (P< 0.05). As compared with IR group,the renal pathological injury was alleviated,the number of apoptotic cells was decreased in the experimental group,most significantly in PostOp group (P<0.05).Conclusion MSCs can reduce the inflammatory response and inhibit renal tubular cell apoptosis in rat renal IRI.Post-reperfusion administration of MSCs leads to the best chemotaxis efficiency and protection.

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