Inclusion Criteria:  Patients of both sexes, diagnosed with Type III intestinal failure (FI) due to SIC Signature of informed consent and assent as appropriate 8 or more consecutive weeks of PN need  Exclusion Criteria:  Less than 8 weeks of need for PN after diagnosis of SIC / FI Refusal to provide informed consent and assent as appropriate FI type I and II, and type III without SIC