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  • Title: Total lymphoid irradiation: is there a role in pediatric heart transplantation?
    Author: Kirklin JK, George JF, McGiffin DC, Naftel DC, Salter MM, Bourge RC.
    Journal: J Heart Lung Transplant; 1993; 12(6 Pt 2):S293-300. PubMed ID: 8312348.
    Abstract:
    Total lymphoid irradiation (TLI) is an effective adjunct in the therapy of recurrent allograft rejection in adult patients. Between Jan. 3, 1990, and Feb. 5, 1992, TLI was used in 43 heart transplant patients 4 days to 67 months (mean, 6 months) after heart transplantation for recurrent allograft rejection. A mean TLI dose of 700 cGy (range, 40 to 1120 cGy-) was administered during a mean of 7 weeks with adjustment in overall dose and duration determined in part by leukopenia, thrombocytopenia, or both. Among patients who received TLI therapy within 1 month of transplantation (n = 12), the rejection rate decreased from 1.9 episodes per patient per month before TLI to 0.1 episodes per patient per month after TLI (p < 0.001). Sixty percent of patients had no further rejection episodes for 6 months after TLI. Peripheral blood mononuclear cells from two patients were specifically unreactive toward donor stimulator cells in mixed-lymphocyte cultures at 2.5 and 6 months after TLI. During this experience three pediatric patients (ages 10 to 17 years) received TLI at 0.5, 0.8, and 0.9 months after heart transplantation for recurrent allograft rejection. The total TLI dosage for each patient was 720, 800, and 800 cGy. The rejection frequency fell from 1.8 episodes per patient per month before TLI to 0.1 episodes after TLI (p < 0.01). During follow-up of 6 to 25 months after TLI, no adverse sequelae of TLI were identified.(ABSTRACT TRUNCATED AT 250 WORDS)
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