“…However, in our patients treated for o4 weeks, HPN was provided only as compassionate therapy and mostly for hydrating, more than full PN therapy. HPN registries available from various countries as well as international reports display a quite large difference in terms of patient selection (Mughal and Irving, 1986;Howard et al, 1991Howard et al, , 1995De Francesco et al, 1995;Takagi et al, 1995;Bozzetti et al, 1996;Van Gossum et al, 1996, 1999Faisinger and Gramlich, 1997; Guidelines for the use of parenteral and enteral nutrition in adult and pediatric patients, 2002; SINPE Executive Committee, 2002b). In particular, cancer cases may represent the largest percentage of HPN patients in some (for example 57% in Italy or 60% in The Netherlands) and the lowest in other countries, that is, 8% in Denmark and 5% in the United Kingdom.…”