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Mechanical Bowel Preparation Versus no Bowel Preparation for Esophageal Cancer Surgery

ABSTRACT: The study type was designed as a prospective multicenter randomized controlled study. The patients will be divided into intervention group (126 cases) and control group, 281 patients were needed for each group and 562 patients would be needed totally to show this difference. The intervention group will not implement mechanical bowel preparation(MBP) before surgery; the control group will receive routine preoperative MBP for oral administration of compound polyethylene glycol electrolyte powder and fasting water. Perioperative complications, intestinal recovery speed and quality of life will be investigated between the two groups.

DISEASE(S): Esophageal Neoplasms,Esophageal Cancer

PROVIDER: 2747027 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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The influence of mechanical bowel preparation upon microflora in patients undergoing colon cancer resection -A Randomized Controlled Trial-

Project description:Interventions: Patients in the MBP Group are allowed to have a regular diet until noon before surgery and to have water until midnight before surgery. Patients in the MBP group receive with magnesium citrate pharmaceutical isocratic liquid the day before surgery, and were given Grycelin enema on the day of surgery. The non-MBP group have no preoperative MBP. Patients in the non-MBP Group are allowed to have a regular diet until two days before surgery and to have liquid diet before surgery. Primary outcome(s): The main outcome is evaluation of bacterial microflora and fecal organic acid and PH of fecal material before surgery and first fecal material after surgery and intraoperative fecal material if it was collected in resected specimen. Study Design: Parallel Randomized

| 2618619 | ecrin-mdr-crc

Prophylatic Effect Preoperative Antibiotics With Mechanical Bowel Preparation in SSIs

Project description:Surgical site infection (SSI) is a major postoperative complication after abdominal surgery especially in colorectal field, which significantly increases length of stay (LOS), readmission incidence and expense. Therefore, identification of the effective method to reduce SSI incidence is critically important. Combination of oral antibiotics and mechanical bowel preparation was reported with lower SSIs and LOS in some retrospecitve data analysis, however a prospective randmized controlled trial was absent. Herein, the current randomized controlled trial comparing MBP+OA with MBP alone in postoperative complications in order to guide clinical practise was conducted.

| 2298394 | ecrin-mdr-crc

Prophylatic Effect Preoperative Antibiotics With Mechanical Bowel Preparation in SSIs: A Propensity Analysis

Project description:Surgical site infections (SSIs) are a major postoperative complication after colorectal surgery. Current study aims to evaluate prophylactic function of oral antibiotic intake (OA) in combination with mechanical bowel preparation (MBP) relative to MBP alone with respect to postoperative SSIs incidence. A retrospective analysis of eligible patients was to conducted using the databases of the Gastrointestinal Surgery Centre, Third Affiliated Hospital of Sun Yat-sen University from 2011 to 2017. Data pertaining to postoperative hospital stay length, expenses, SSIs incidence, anastomotic fistula incidence, and rates of other complications wloud be extracted and compared. A propensity analysis was conducted to minimize bias associated with demographic characteristics.

| 2329227 | ecrin-mdr-crc

Comparison of Mechanical Bowel Preparation Versus Enema for Candidates to Colorectal Resection for Adenocarcinoma

Project description:The purpose of this study is to evaluate mechanical bowel preparation (MBP) with polyethylene glycol plus bowel enema versus bowel enema alone in patients candidates to colorectal resection for malignancy.

| 2075204 | ecrin-mdr-crc

Mechanical bowel preparation for elective colorectal surgery.

Project description: Not available

| S-EPMC7066937 | biostudies-literature

Mechanical bowel preparation and oral antibiotics versus mechanical bowel preparation only prior rectal surgery (MOBILE2): a multicentre, double-blinded, randomised controlled trial-study protocol.

Project description:IntroductionMechanical bowel preparation (MBP) prior to rectal surgery is widely used. Based on retrospective data many guidelines recommend mechanical and oral antibiotic bowel preparation (MOABP) to reduce postoperative complications and specifically surgical site infections (SSIs). The primary aim of this study is to examine whether MOABP reduces complications of rectal surgery.Methods and analysisThe MOBILE2 (Mechanical Bowel Preparation and Oral Antibiotics vs Mechanical Bowel Preparation Only Prior Rectal Surgery) trial is a multicentre, double-blinded, parallel group, superiority, randomised controlled trial comparing MOABP to MBP among patients scheduled for rectal surgery with colorectal or coloanal anastomosis. The patients randomised to the MOABP group receive 1 g neomycin and 1 g metronidazole two times on a day prior to surgery and patients randomised to the MBP group receive identical placebo. Based on power calculations, 604 patients will be enrolled in the study. The primary outcome is Comprehensive Complication Index within 30 days after surgery. Secondary outcomes are SSIs within 30 days after surgery, the number and classification of anastomosis dehiscences, the length of hospital stay, mortality within 90 days after surgery and the number of patients who received adjuvant treatment if needed. Tertiary outcomes are overall survival, disease-specific survival, recurrence-free survival and difference in quality-of-life before and 1 year after surgery. In addition, the microbiota differences in colon mucosa are analysed.Ethics and disseminationThe Ethics Committee of Helsinki University Hospital approved the study. The findings will be disseminated in peer-reviewed academic journals.Trial registration numberNCT04281667.

| S-EPMC8273484 | biostudies-literature

Immunodominant myelin basic protein fragments induce mechanical hypersensitivity.

Project description:An insulating myelin sheath ensures saltatory conduction of mechanosensory A afferents. Myelin damage results in the electrical instability of A fibers and the ability to generate pain in response to light touch/pressure (mechanical allodynia). We have hypothesized and then established that the release of T cell epitopes of myelin basic protein (MBP) enables nociceptive circuitry in myelinated fibers. Thus, mass spectrometry analysis of the rat sciatic nerve proteome followed by bioinformatics examination of the datasets revealed a loss of MBP and activation of T-helper cell signaling in the nerves undergoing chronic constriction injury (CCI). Matrix metalloproteinase-9 (MMP-9) proteolysis resulted in the MBP digest peptides, including the MBP84-104 and MBP68-86 regions, which exhibit prominent immunogenic epitopes. Myelin-forming Schwann cells and paranodal areas accumulated MHCII, MMP-9 and the degraded MBP at the sciatic nerve injury site. Administration of the immunodominant MBP84-104 and MBP68-86 peptides but not of the control peptides in a naïve rat sciatic nerve produced robust mechanical allodynia. Allodynia was accompanied by the T cell infiltration and an increase in MHCII, IL-17A and TNF- levels at the nerve injection site and the segmental ganglia. The pro-nociceptive activity of the synthetic MBP84-104 diminished in athymic nude rats lacking T cells. SB-3CT, an antagonist of MMP-9, inhibited mechanical allodynia, neuroinflammation and spinal sensitization after CCI. Collectively, our novel data implicate, for the first time, MMP-mediated cleavage of MBP and the resulting MBP digest fragments as a major cause of neuropathic pain. Gene extression profiling of total RNAs extracted from rat sciatic nerves, dorsal root ganglion and spinal cords after MBP84-104 peptide injection

2012-03-03 | E-GEOD-34868 | biostudies-arrayexpress

Mechanical and oral antibiotic bowel preparation versus no bowel preparation in right and left colectomy: subgroup analysis of MOBILE trial.

Project description:BackgroundIn retrospective series, mechanical and oral antibiotic bowel preparation (MOABP) has been reported to reduce surgical-site infections (SSIs) after colectomy compared with no bowel preparation (NBP).MethodThis was a subgroup analysis of a multicentre randomized trial that included patients scheduled for elective colectomy. The MOABP group underwent mechanical bowel preparation, and took 2 g neomycin and 2 g metronidazole orally during the day before surgery. The NBP group did not undergo bowel preparation. Patients were categorized according to the side of resection (right versus left colectomy), and these subgroups compared for postoperative outcomes.ResultsAmong 217 patients undergoing right colectomy (106 in MOABP and 111 in NBP group), SSI was detected in seven (7 per cent) and 10 (9 per cent) patients (odds ratio (OR) 0.71, 95 per cent c.i. 0.26 to 1.95; P = 0.510), anastomotic dehiscence in two (2 per cent) and two (2 per cent) patients (OR 1.05, 0.15 to 7.58; P = 1.000), and the mean(s.d.) Comprehensive Complication Index (CCI) score was 9.4(12.9) and 10.5(18.0) (mean difference -1.09; 95 per cent c.i. -5.29 to 3.11; P = 0.608) in the MOABP and NBP groups respectively. Among 164 patients undergoing left colectomy (84 in MOABP and 80 in NBP group), SSI was detected in five (6 per cent) and eight (10 per cent) patients (OR 0.57, 0.18 to 1.82; P = 0.338), anastomotic dehiscence in four (5 per cent) and five (6 per cent) patients (OR 0.75, 0.19 to 2.90; P = 0.742), and the CCI score was 10.2(13.1) and 6.5(11.0) (mean difference 3.68, -0.06 to 7.42; P = 0.053) in the MOABP and NBP groups respectively.ConclusionsMOABP did not decrease the rate of SSI or complications in patients undergoing either right or left colectomy compared with NBP.

| S-EPMC8038265 | biostudies-literature

Immunodominant myelin basic protein fragments induce mechanical hypersensitivity.

2012-03-03 | GSE34868 | GEO

Preoperative mechanical bowel preparation in patients with colon cancer

Project description:Interventions: Standard therapy group 2L of Niflex as mechanical bowel preparation trial therapy group no mechanical bowel preparation Primary outcome(s): incisional surgical site infection (SSI) Study Design: Parallel Randomized

| 2628847 | ecrin-mdr-crc

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