IntheeldofSOT,therearecurrentlynopublishedguidelinesregardingtheuseofIgRTinpatientswithrecurrentbacterialinfectionsandhypogammaglobulinemia.IntheupdatedInternationalConsensusGuidelinesonthemanagementofCMVinSOT,publishedbytheTransplantationSocietyInternationalCMVConsensusGroup,thereisarecommendationthat,whenCMVdiseaseisdiculttocontrol,IgGtestingisadvisable(170).