Background: Gastrointestinal fistulas are a serious complication of ga
strointestinal tract surgery: they are often accompanied by high level
s of morbidity and mortality. Among other things, some fistula charact
eristics (anatomical site, type of tract, time elapsed to fistula appe
arance and volume of output) are being considered as of great importan
ce. New therapeutic approaches such as somatostatin are nowadays being
tested in order to clarify the benefits of its use. Method: A multi-c
entre, randomized, controlled and prospective trial was carried out (n
= 40, March-December, 1988) to evaluate the effectiveness of total pa
renteral nutrition (TPN) Versus TPN + somatostatin in the conservative
management of postoperative gastrointestinal fistulas. Since January
1989, wider inclusion criteria have been followed, and all patients (n
= 63) who have fulfilled inclusion criteria have been admitted to TPN
plus somatostatin treatment. Results: Closure time of fistulas in pat
ients receiving TPN + somatostatin was significantly shorter (13.86 +/
- 1.84 versus 20.4 +/- 2.89 days) than in those receiving TPN alone. I
n the second phase of the study, more time was needed to obtain comple
te closure of fistulas (15.8 days). Conclusion: Somatostatin is a usef
ul therapeutic complement in the management of postoperative gastroint
estinal fistulas, since it accelerates their spontaneous closure.