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Risk factors for non-closure of an intended temporary defunctioning stoma after emergency resection of left-sided obstructive colon cancer.

ABSTRACT: PURPOSE:A substantial part (21-35%) of defunctioning stomas created during resection for colorectal cancer will never be reversed. Known risk factors for non-closure are age, peri- or postoperative complications, comorbidity, and tumor stage. However, studies performed to identify these risk factors mostly focus on rectal cancer and include both preoperative and postoperative factors. This study aims to identify preoperative risk factors for non-reversal of intended temporary stomas created during acute resection of left-sided obstructive colon cancer (LSOCC) with primary anastomosis. METHODS:All patients who underwent emergency resection for LSOCC with primary anastomosis and a defunctioning stoma between 2009 and 2016 were selected from the Dutch ColoRectal Audit, and additional data were collected in the local centers. Multivariable analysis was performed to identify independent preoperative factors for non-closure of the stoma. RESULTS:A total of 155 patients underwent acute resection for LSOCC with primary anastomosis and a defunctioning stoma. Of these, 51 patients (32.9%) did not have their stoma reversed after a median of 53 (range 7-104) months of follow-up. In multivariable analysis, hemoglobin

SUBMITTER: van Ommeren-Olijve SJ

PROVIDER: S-EPMC7245586 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Risk factors for non-closure of an intended temporary defunctioning stoma after emergency resection of left-sided obstructive colon cancer.

van Ommeren-Olijve S J SJ Burbach J P M JPM Furnée E J B EJB

International journal of colorectal disease 20200324 6

<h4>Purpose</h4>A substantial part (21-35%) of defunctioning stomas created during resection for colorectal cancer will never be reversed. Known risk factors for non-closure are age, peri- or postoperative complications, comorbidity, and tumor stage. However, studies performed to identify these risk factors mostly focus on rectal cancer and include both preoperative and postoperative factors. This study aims to identify preoperative risk factors for non-reversal of intended temporary stomas crea ...[more]

PMID: 32211956

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Project description:ImportanceBridge to elective surgery using self-expandable metal stent (SEMS) placement is a debated alternative to emergency resection for patients with left-sided obstructive colon cancer because of oncologic concerns. A decompressing stoma (DS) might be a valid alternative, but relevant studies are scarce.ObjectiveTo compare DS with SEMS as a bridge to surgery for nonlocally advanced left-sided obstructive colon cancer using propensity score matching.Design, setting, and participantsThis national, population-based cohort study was performed at 75 of 77 hospitals in the Netherlands. A total of 4216 patients with left-sided obstructive colon cancer treated from January 1, 2009, to December 31, 2016, were identified from the Dutch Colorectal Audit and 3153 patients were studied. Additional procedural and intermediate-term outcome data were retrospectively collected from individual patient files, resulting in a median follow-up of 32 months (interquartile range, 15-57 months). Data were analyzed from April 7 to October 28, 2019.ExposuresDecompressing stoma vs SEMS as a bridge to surgery.Main outcomes and measuresPrimary anastomosis rate, postresection presence of a stoma, complications, additional interventions, permanent stoma, locoregional recurrence, disease-free survival, and overall survival. Propensity score matching was performed according to age, sex, body mass index, American Society of Anesthesiologists score, prior abdominal surgery, tumor location, pN stage, cM stage, length of stenosis, and year of resection.ResultsA total of 3153 of the eligible 4216 patients were included in the study (mean [SD] age, 69.7 [11.8] years; 1741 [55.2%] male); after exclusions, 443 patients underwent bridge to surgery (240 undergoing DS and 203 undergoing SEMS). Propensity score matching led to 2 groups of 121 patients each. Patients undergoing DS had more primary anastomoses (104 of 121 [86.0%] vs 90 of 120 [75.0%], P = .02), more postresection stomas (81 of 121 [66.9%] vs 34 of 117 [29.1%], P < .001), fewer major complications (7 of 121 [5.8%] vs 18 of 118 [15.3%], P = .02), and more subsequent interventions, including stoma reversal (65 of 113 [57.5%] vs 33 of 117 [28.2%], P < .001). After DS and SEMS, the 3-year locoregional recurrence rates were 11.7% for DS and 18.8% for SEMS (hazard ratio [HR], 0.62; 95% CI, 0.30-1.28; P = .20), the 3-year disease-free survival rates were 64.0% for DS and 56.9% for SEMS (HR, 0.90; 95% CI, 0.61-1.33; P = .60), and the 3-year overall survival rates were 78.0% for DS and 71.8% for SEMS (HR, 0.77; 95% CI, 0.48-1.22; P = .26).Conclusions and relevanceThe findings suggest that DS as bridge to resection of left-sided obstructive colon cancer is associated with advantages and disadvantages compared with SEMS, with similar intermediate-term oncologic outcomes. The existing equipoise indicates the need for a randomized clinical trial that compares the 2 bridging techniques.

Project description:The difference between left- and right-sided colon cancer has become the focus of global attention, and researchers have found differences in the morbidity, molecular biological characteristics, and response to targeted drug therapy between left- and right-sided colon cancer. Therefore, the identification of more effective predictive indicators is critical for providing guidance to future clinical work. We collected samples from different colon sites and regions and analyzed the identities and distributions of differentially expressed species in the microbiota in the left and right sides of the colon to better explore the pathogenesis of colon cancer and provided a basis for individualized drug therapy. We collected samples from different regions in the body of 40 patients with colon cancer, including stool and tissues. The Subjects were classified into four groups, and this classification was mainly based on the colon cancer distribution. The microbiota composition of the left-sided and right-sided colon samples was assessed by specifically amplifying the V3-V4 region of the 16S rDNA gene from DNA extracts from the samples. These amplicons were examined by Illumina HiSeq 2500 sequencing. The microbial taxa in the left-sided colon samples are more abundant than those in the right-sided colon samples. The flora in the left-sided colon samples, such as Clostridium perfringens and Fusobacterium nucleatum, might be associated with VEGF expression and are more likely to promote colon cancer. The microbiota distribution in the right-sided colon samples is less invasive and harmful and particularly rich in Bifidobacterium dentium. In addition, Streptococcus, which is the target of EGFR, was found to be expressed in both the left- and right-sided colon samples but was found at a higher level in the left-sided colon samples. Additionally, the differential pathways involved in the left-sided colon samples mainly mediate DNA damage, methylation, and histone modifications, whereas those in the right-sided colon samples are dominated by DNA synthesis. The comparison of only the geographical differences revealed a significant difference in the distribution of the microbial population. The adherent microbiota composition and structural changes between the left- and right-sided colon samples might contribute to the development of colon cancer, lead to different morbidities, and further affect the prognosis of patients and their sensitivity to targeted drugs. Therefore, the identification of the differential flora in the colon could be used as an indicator for predicting the occurrence and development of colon cancer, which is also beneficial for future individualized drug therapy.

Project description:Background:Defunctioning stoma is widely used to reduce anastomotic complications in rectal cancer surgery. However, the complications of stoma and stoma reversal surgery should not be underestimated. Furthermore, in some patients, stoma reversal failed. Here, we investigated the complications of defunctioning stoma surgery and subsequent reversal surgery and identify risk factors associated with the failure of getting stoma reversed. Methods:In total, 154 patients who simultaneously underwent low anterior resection and defunctioning stoma were reviewed. Patients were divided into two groups according to whether their stoma got reversed or not. The reasons that patients received defunctioning stoma and experienced stoma-related complications and the risk factors for failing to get stoma reversed were analysed. Results:The mean follow-up time was 47.54 (range 4.0-164.0) months. During follow-up, 19.5% of the patients suffered stoma-related long-term complications. Only 79 (51.3%) patients had their stomas reversed. The morbidity of complications after reversal surgery was 45.6%, and these mainly consisted of incision-related complications. Multivariate analyses showed that pre-treatment comorbidity (HR = 3.17, 95% CI 1.27-7.96, P = 0.014), postoperative TNM stage (HR = 2.55, 95% CI 1.05-6.18, P = 0.038), neoadjuvant therapy (HR = 2.75, 95% CI 1.07-7.05, P = 0.036), anastomosis-related complications (HR = 4.52, 95% CI 1.81-11.29, P = 0.001), and disease recurrence (HR = 24.83, 95% CI 2.90-213.06, P = 0.003) were significant independent risk factors for a defunctioning stoma to be permanent. Conclusions:Defunctioning stoma is an effective method to reduce symptomatic anastomotic leakage, but the stoma itself and its reversal procedure are associated with high morbidity of complications, and many defunctioning stomas eventually become permanent. Therefore, surgeons should carefully assess preoperatively and perform defunctioning stomas in very high risk patients. In addition, doctors should perform stoma reversal surgery more actively to prevent temporary stomas from becoming permanent.

Dataset Information

Risk factors for non-closure of an intended temporary defunctioning stoma after emergency resection of left-sided obstructive colon cancer.

Publications

Risk factors for non-closure of an intended temporary defunctioning stoma after emergency resection of left-sided obstructive colon cancer.

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