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Background: Suture dehiscence is one of the most feared postoperative complications. Correct intestinal vascularization is essential for its prevention. Indocyanine green (ICG) is one of the methods used to assess vascularization, but this assessment is usually subjective. Our group designed the SERGREEN program to obtain an objective measurement of the degree of vascularization. We do not know how long after ICG administration the fluorescence of the tissues should be evaluated, or how far away the measurement should be performed. The aim of this study is to establish the optimal moment and distance for analyzing the fluorescence saturation of ICG., Methods: Prospective observational study in patients undergoing elective laparoscopic colorectal surgery. The optimal time for ICG analysis was tested in a sample of 20 patients (10 right colon and 10 left colon), and the optimal distance in a sample of ten patients. ICG was administered intravenously, and colon vascularization was quantified using SERGREEN; RGB (Red, Green, Blue) encoding was used. The intensity curve of the ICG was analyzed for ten minutes after its administration. Distances of 1, 3, and 5 cm were tested., Results: The intensity of fluorescence increased until 1.5 min after ICG administration (reaching figures of 112.49 in the right colon and 93.95 in the left). It then remained fairly stable until 3.5 min (98.49 in the right and 83.35 in the left), at which point it began to decrease gradually. ICG saturation was inversely proportional to the distance between the camera and the tissue. The best distance was 5 cm, where the confidence interval was narrower [CI 86.66-87.53]., Conclusion: The optimal time for determining ICG in the colon is between 1.5 and 3.5 min, in both right and left colon. The optimal distance is 5 cm. This information will help to establish parameters of comparison in normal and pathological situations., (© 2022. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)

Background: Despite the publication of the guidelines for enhanced recovery after surgery (ERAS), attitudes to urinary catheter (UC) management vary widely in colorectal surgery. The aim of the present study was to define current practices in UC management in colorectal surgery., Methods: Cross-sectional observational study carried out in March-April 2019, based on the responses to a survey administered to public hospitals in Catalonia. Respondents were asked about their observance of ERAS programs, the percentage of laparoscopic procedures performed, and the time of UC withdrawal in surgery of the colon and rectum., Results: Forty-three of 45 hospitals contacted eventually responded (95.6%). As two hospitals reported that they did not perform colorectal surgery, the study is based on the results from 41 centers. Thirty-five (85.4%) reported following ERAS programs; 30 (73.2%) have coloproctology units, and 39 (95.1%) perform more than 70% of colorectal surgeries by laparoscopy. In colon surgery, 27 (65.9%) remove the UC at 24 h, and 12 (29.3%) on day 2 or day 3. In rectal surgery, 17 (58.6%) remove the UC on day 2-3., Conclusions: Management of UC in colon and rectal surgery varies widely. There is clearly room for improvement in UC management, but needs to be thoroughly assessed in randomized multicenter studies.

Introduction: A trimodal prehabilitation protocol was designed with the aim to evaluate whether it contributes to reducing postoperative morbidity, to evaluate the effect of prehabilitation on overall hospital stay, and to analyze the evolution of functional capacity before and after surgery., Methods: A single-center observational study of patients with colorectal cancer who underwent surgery with curative intent after a trimodal prehabilitation protocol. We collected data for postoperative morbidity according to the Comprehensive Complication Index and hospital stay, which were compared with a historical matrix. Functional capacity data were also collected before and after the application of the prehabilitation protocol., Results: Compared to the historical population, the overall Comprehensive Complication Index was reduced from 13.2 to 11.5, which was statistically significant. Analyzed by morbidity type, all decreased in percentage, although without achieving significance (surgical site infection from 11.7% to 8.4%, nosocomial infection 15.8 to 10% and medical morbidity 8.6% to 4.2%). The overall hospital stay went from 6 to 4 days, and the decrease in the percentage of patients who prepared at home was statistically significant in both cases., Conclusions: Trimodal prehabilitation can contribute to lowering the postoperative morbidity and overall hospital stay of patients undergoing colorectal cancer surgery., (Copyright © 2020 AEC. Publicado por Elsevier España, S.L.U. All rights reserved.)