To evaluate the effectiveness of treatment with total parenteral nutrition (TPN) alone (group A) or combined with continuous intravenous infusion of somatostatin (group B) in postoperative gastrointestinal fistulas, a multicenter, controlled and prospective randomized trial was designed. We present the results obtained after the evaluation of 40 cases (group A, n = 20; group B, n = 20). No significant differences among these treatment schedules were observed in the percentage of closure of fistulas (group A, 81.25%; group B, 85%), but patients treated with total parenteral nutrition plus somatostatin had the fistulas close within a significantly shorter period of time. Moreover, this treatment was associated with a significantly lower morbidity. These preliminary results indicate that somatostatin is a useful therapeutic complement in the conservative treatment of patients with gastrointestinal fistulas.

Cystol CA 19.9 expression in CRC can be an independent prognostic factor for relapse. Patients with high levels of CA 19.9 have worse prognosis than those with lower values. Therefore, this group of patients should receive special management with regard to their follow-up and treatment. Moreover, quantitative cytosol tumor marker measurement is an easy and highly effective method for determining the prognoses of CRC patients.

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