Proximal duodenal-ileal end-to-side bypass with sleeve gastrectomy is a new bariatric technique based on the biliopancreatic diversion with duodenal switch in which after the sleeve gastrectomy, the duodenum is anastomosed to the ileum in a Billroth-II fashion. A 200-cm common channel-alimentary limb is devised. Anticipating an appropriate weight loss, at least similar to that obtained after gastric bypass, theoretical benefits for operated patients are a shorter operative time, the performance of only one anastomosis, and no mesentery opening. A prospective trial is now being conducted to find out the results of the procedure and to compare them to those obtained with gastric bypass and standard duodenal switch.
According to the main international clinical guidelines, the recommended treatment for locally-advanced rectal cancer is neoadjuvant chemoradiotherapy followed by surgery. However, doubts have been raised about the appropriate definition of clinical complete response (cCR) after neoadjuvant therapy and the role of surgery in patients who achieve a cCR. Surgical resection is associated with significant morbidity and decreased quality of life (QoL), which is especially relevant given the favourable prognosis in this patient subset. Accordingly, there has been a growing interest in alternative approaches with less morbidity, including the organ-preserving watch and wait strategy, in which surgery is omitted in patients who have achieved a cCR. These patients are managed with a specific follow-up protocol to ensure adequate cancer control, including the early identification of recurrent disease. However, there are several open questions about this strategy, including patient selection, the clinical and radiological criteria to accurately determine cCR, the duration of neoadjuvant treatment, the role of dose intensification (chemotherapy and/or radiotherapy), optimal follow-up protocols, and the future perspectives of this approach. In the present review, we summarize the available evidence on the watch and wait strategy in this clinical scenario, including ongoing clinical trials, QoL in these patients, and the controversies surrounding this treatment approach.
BACKGROUND Global studies indicate that surgical site infections (SSIs) are a major healthcare challenge within hospitals and can have a profound impact on patient quality of life and healthcare costs. Closed-incision negative-pressure therapy (ciNPT) has been reported to provide positive clinical benefits for patients with various incisions, including those following colorectal surgeries. METHODS Investigators performed a prospective, randomized, multicenter trial to evaluate complications of surgical incisions in patients who received a ciNPT dressing versus a conventional surgical dressing (control) over their closed incision following colorectal surgery. The incidence of SSI was determined at 7, 15, and 30 days postsurgery. RESULTS A total of 148 patients participated in the study. Results showed that the SSI rate on day 7 was lower in the ciNPT group versus the control group (10/75 [13.3%] vs 17/73 [23.3%]), but this difference was not statistically significant. On day 15, the SSI rate was 12/75 (16.0%) in the ciNPT group versus 21/73 (28.8%) in the control group; however, this difference was only marginally statistically significant (P = .0621). At 1 month, the SSI rate remained lower in the ciNPT group (13/75 [17.3%] vs 21/73 [28.8%], P = .0983) compared with the control group. CONCLUSIONS Future studies with larger population sizes are necessary to determine the impact of ciNPT on patients’ incisions after colorectal surgery.
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