The effects of perioperative probiotic treatment after colorectal surgery

Intervention 1: Intervention group: Pre- and postoperative treatment by oral probiotic drug after colorectal surgery. Intervention 2: Control group: Routine pre- and postoperative treatment of colorectal surgery. Primary outcome(s): Anastomosis rupture. Timepoint: Daily till 30 days after the operation. Method of measurement: Physical examination.;Surgical site infection. Timepoint: Daily till 30 days after the operation. Method of measurement: Physical examination.;Fascia dehiscence. Timepoint: Daily till 30 days after the operation. Method of measurement: Physical examination.;Pulmonary infection. Timepoint: Daily till 30 days after the operation. Method of measurement: Chest x-ray if clinically indicated.;Urinary infection. Timepoint: Daily till 30 days after the operation. Method of measurement: Urinalysis if clinically indicated.;Total duration of hospital stay. Timepoint: Daily. Method of measurement: Total duration of hospital stay till discharge.;Mortality. Timepoint: Daily. Method of measurement: Report of death by attending physician. Study Design: Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: The patients will be randomized between two study (who will receive the probiotic) and control (who will not receive the probiotic) groups by the random numbers produced by the website: www.randomizer.org.