Influence of cytomegalovirus disease in outcome of solid organ transplant patients.
INTRODUCTION: Despite recent advances in prevention and treatment, cytomegalovirus (CMV) is still a major complication in transplant patients. This study sought to analyze the incidence of CMV disease and its impact on patient and graft survival. METHODS: Between June 2003 and December 2009, we included all kidney, liver, heart, and double transplant patients who underwent solid organ transplantation. They had 1-year posttransplant follow-up. RESULTS: Among the 1427 patients who received kidney (n = 661), liver (n = 494), heart (n = 89), or double (n = 183) transplants, 103 (7.2%) displayed CMV disease. The incidence by type of transplant was: heart (n = 17, 19%), liver (n = 35, 7%), kidney (n = 41, 6.2%), or double transplant (n = 10, 5.5%; P < .001). In 59% of cases, the infection developed during the first 3 months after transplantation. CMV infections ranged from viral syndrome (n = 47, 45%) to tissue-invasive disease (n = 56, 55%), including 38% with gastrointestinal involvement. Relapsing episodes occurred in 12 patients (11%). Discordant donor/recipient CMV serology was present in 151 patients (donor positive/receptor negative), including 34 (22.5%) who developed primary CMV disease (P < .001). Coinfections mostly bacterial, were diagnosed in 38% of patients. An acute rejection episode was present in 31% of patients with CMV disease compared to 20% without this complication (P = .017). Crude mortality was significantly higher among patients with CMV disease (n = 18 patients [18%] vs 92 patients [7%]; P < .001). CONCLUSION: Our data confirmed that CMV disease was associated with worse transplant outcomes, with higher incidences of acute rejection episodes and mortality.
Linares, L; Sanclemente, G; Cervera, C; Hoyo, I; Cofán, F; Ricart, MJ; Pérez-Villa, F; Navasa, M; Marcos, MA; Antón, A; Pumarola, T; Moreno, A
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