Perforation of intrathoracic great veins by parenteral nutrition catheters.

Perforation of intrathoracic great veins by parenteral nutrition catheters has been previously reported as an unusual complication. The following three case reports illustrate the varied clinical picture that may appear following perforation. The differential diagnosis may be difficult to clarify so early recognition is essential if rapid deterioration in the patient's condition is to be avoided. Each patient in this report provides a useful example for diagnosing this complication. Included are some basic suggestions to help the clinician in early detection.