Inclusion and exclusion criteria
Newborn infants with enterostomy after surgery
for CMGIT, NEC or SIP.
Newborn admitted up to the 28th day after birth, if a term neonate, or admitted up to 42 weeks postconceptional age if born preterm.
Diagnosis of inborn errors of metabolism.
CMGIT, congenital malformation of the gastrointestinal tract; NEC, necrotising enterocolitis; SIP, spontaneous intestinal perforation.