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  • Title: Adenotonsillar enlargement in pediatric organ transplant recipients: a cross-sectional analysis.
    Author: Chiang S, Vu MC, Nguyen M, Strocker A, Horvath S, Shapiro N.
    Journal: Otolaryngol Head Neck Surg; 2002 Jul; 127(1):109-14. PubMed ID: 12161739.
    Abstract:
    OBJECTIVE: Our goal was to statistically correlate adenotonsillar hypertrophy (ATH) in the pediatric posttransplant population with potential risk factors and to monitor the progression of ATH over time. STUDY DESIGN AND SETTING: Participants were evaluated for ATH through a standardized 65-point questionnaire and an 8-point physical examination. They were also evaluated for current age, age at time of transplantation, type of organ transplant, gender, tacrolimus use, history of transplant rejection, Epstein-Barr virus (EBV) serology, and cytomegalovirus (CMV) serology. We evaluated 243 pediatric solid organ transplant recipients, with 116 patients undergoing repeat evaluation. RESULTS: A statistically significant negative correlation was noted between age at time of transplantation and both questionnaire scores (P = 0.0075) and examination scores (P = 0.013). A significant negative correlation was also seen between age at time of evaluation and questionnaire score (P = 0.028) but not examination score (P = 0.49). Recipient EBV seronegativity significantly increased questionnaire score (P = 0.05). Liver transplant recipients also had a significantly higher questionnaire score than did kidney transplant recipients (P = 0.0048). Gender, CMV recipient status, and tacrolimus (immunosuppressant) use did not significantly impact questionnaire or examination scores. Repeat evaluation of 116 patients after a 2- to 9-month interval did not demonstrate any significant increases in questionnaire scores. A statistically significant drop in examination scores was noted (P = 0.003). CONCLUSIONS AND SIGNIFICANCE: These findings support previous reports in the literature that correlate EBV seronegativity, younger age at transplant, and liver versus kidney transplantation with increased incidence of PTLD.
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