Ata P, Kara M, Özdemir E, Canbakan M, Gökçe AM, Bayraktar FA, Şahin G, Özel L, Titiz MI. Monitoring of CD3(+) T-cell count in patients receiving antithymocyte globulin induction after cadaveric renal transplantation.
Transplant Proc 2013;
45:929-31. [PMID:
23622590 DOI:
10.1016/j.transproceed.2013.02.092]
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Abstract
AIM
Although antithymocyte globulin (ATG) has been used for years, its ideal dose and administration period is obscure. Herein, we sought to use the CD3(+) cell count to detect the optimal ATG dosage.
MATERIAL AND METHODS
Twenty-one patients who underwent cadaveric donor renal transplantation from January 2009 to January 2012 received a 1 mg/kg ATG initial dose at the time of the operation. Patients were randomized into 2 cohorts. Group 1 (n = 11) received ATG according to the clinical and total lymphocyte count and group 2 (n = 10), the dose was tailored according to the CD3(+) cell count. We compared the total and daily ATG dosages, ATG administration period, side effects of ATG, the number of days to a serum creatinine level <2 mg/dL, graft function at 3 months, acute rejection episodes, infection rates, costs of CD3(+) analysis, and ATG amounts.
RESULTS
Both groups showed similar gender, age, and human leukocyte antigen matching data. There was no difference in presensitizing events or panel-reactive antibody class 1 and 2 levels. The number of days to a serum creatinine level of <2 mg/dL was 11 ± 1.5 for group 1 versus 10.4 ± 0.8 for group 2 (P = .45). Between groups 1 and 2, there was a significant difference between the mean total (P = .031) and mean daily ATG dosages (P = .006). We used a total dose of 3800 mg ATG for group 1 and 2200 mg for group 2 and for the group 2 who underwent 43 CD3(+) cell counts. The expenditure per patient was 20% higher among group 1 than group 2.
CONCLUSION
Determination of appropriate ATG dosages by CD3(+) cell counts was useful, reliable, and cost effective.
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