Intraoperative Indocyanine Green Fluorescence Angiography in Colorectal Surgery to Prevent Anastomotic...
Colorectal CancerColorectal cancer (CRC) is the fourth most commonly diagnosed cancer in the world and the third in France. Its incidence is steadily rising in developing nations. Anastomotic leak (AL) is a major problem in colorectal surgery affecting at least 7% of patients operated on for left colonic cancer. It is the most feared complication after colorectal anastomosis, associated with mortality, prolonged hospitalization, impaired health related quality of life (HRQoL) and increased health care costs. Intraoperative fluorescence angiography (IOFA) with indocyanine green (ICG) may help preventing AL. Available studies on the effects of IOFA with ICG are heterogeneous and randomized controlled trial are scarce. Our aim is to demonstrate that IOFA with ICG could lead to a reduction of AL rate after left-sided or low anterior resection with anastomosis for CRC. The FLUOCOL-1 study is the first national, multicenter, single blind, randomized, 2-arm, phase III superiority clinical trial. The primary endpoint is the occurrence of an AL 90 days post-operation. AL is defined as any anastomotic dehiscence with leakage into the pelvic cavity diagnosed upon imaging or at surgical exploration or any isolated pelvic organ-space infection with no evidence of fistula as defined by the International Study Group of Rectal Cancer. The study population will be made of adult patients with left-sided or high rectal cancer scheduled to undergo elective left colectomy or high rectal resection (by open, laparoscopy or robotic surgery) and with expected stapled or hand-sewn intraperitoneal anastomosis. The exclusion criteria are mainly an emergent surgery; rectal cancer requiring total mesorectal excision and anastomosis expected below the peritoneal reflection; CRC requiring total or subtotal colectomy; CRC requiring transverse colectomy; recurrent CRC and locally advanced colorectal cancer requiring multi-visceral excision. A total of 1010 patients will be necessary (39 patients in each centre during 36 months). An interim analysis for efficacy and futility is scheduled when half of the participants will have been recruited. In case of positive results favoring IOFA, this study would define the use of IOFA as a standard of care in colorectal surgery. At the patient level, a significantly lower rate of AL will reduce hospital stay and stoma rate, and will ensure improved postoperative recovery, faster return to normal activity and better long-term oncologic outcomes.
Enhanced Perioperative Care for the Prevention of Colorectal Anastomotic Leakage
Anastomotic Leak Small IntestineAnastomotic Leak Large Intestine2 moreThis multicenter open-label trial is designed to evaluate if the implementation of an enhanced peri-operative care protocol results in an optimal intraoperative condition of the patient and in a decrease in incidence of anastomotic leakage after colorectal resection as compared to current practice.
Intravenous Human Albumin In Improving Pancreaticoduodenectomy Outcomes
PancreaticoduodenectomyPancreatic Fistula3 morePancreaticoduodenectomy (PD), more commonly known as Whipple's surgery is the mainstay treatment for pancreatic head and periampullary cancer. Factors contributing to PD outcomes are broadly categorized to disease-related, patient-related and operative factors. Whereas an inexhaustible list of study exists on looking at reducing PD complication rates with respect to the above-mentioned factors, it was only recently that more attention has been given to the impact of perioperative and intraoperative fluid regimes on PD outcomes. This study takes interest in the impact of intraoperative fluid regimes on PD outcomes. The objective of this investigation is to compare the outcomes with the use of intraoperative intravenous human albumin versus standard intraoperative fluid regimes.
Effects of Modified Precision Functional Sphincter-Preserving Surgery (PPS) on Ultralow Rectal Cancer...
Rectum CancerStoma Colostomy3 moreRATIONALE: Colorectal cancer is one of the most common cancers. However, approaches to minimize surgical trauma, preserve anal function, avoid abdominal stoma, and improve quality of life for patients with ultralow rectal cancers were limited. Thus, new technologies are urgently needed to improve the anal preservation rate, reduce the incidence of anastomotic leakage and improve postoperative anal function in patients with ultralow rectal cancer. PURPOSE: This one-arm multicenter prospective cohort study aims to collect the data of patients with ultralow rectal cancer who undergo sphincter-preserving surgeries, including modified PPS and conventional surgeries, then compare the effects of different operations on clinical outcomes and to see the efficacy and safety of modified PPS surgery when compared with conventional procedures in the treatment of ultralow rectal cancer.
Healing of Rectal Anastomosis Sealed With a Concentrate Derived From the Patient's Blood, After...
Anastomotic Leak RectumRectal Cancer1 moreRectal cancer is one of the most frequent cancer diseases, with more than 1500 new cases per year in Denmark. Fortunately, if the tumor is discovered early, surgeons can remove the part of the intestine that is afflicted, and they can often sew the intestine-ends back together, forming what is known as an anastomosis. However, in 10-15% of cases, this anastomosis doesn't heal completely, leading to anastomotic leakage. This is a serious complication, with detrimental effects for the individual patient. Previous measures to avoid this complication, have proven unsuccessful. Obsidian is a mixture derived from the patients' own blood, that contains components of blood normally responsible for stopping bleeding and kickstarting the healing process. It is already used in other clinical settings and preliminary, yet unpublished, results from a pilot study have shown its promise in decreasing the risk of anastomotic leakage in rectal anastomosis. However, its use has not been examined when performing surgery for rectal cancer with minimally invasive technique, which is today's standard. The main clinical hypothesis of this feasibility study is that it is possible for colorectal surgeons to apply Obsidian successfully on the anastomotic area with minimal invasive technique, as a supplement during rectal cancer resection with anastomosis. This study will be conducted at the Department of Surgery, Aarhus University Hospital. 50 patients will be included, who will undergo minimally invasive rectal cancer surgery with an anastomosis. Right after the onset of anaesthesia, 120 ml of blood will be collected from the patient and will be processed, making a 5-6 ml Obsidian concentrate. When the tumor-bearing part of the rectum has been removed, Obsidian will be applied, according to a pre-specified protocol. If the application is deemed successful (based on predefined assessment criteria) in at least 90% of our included patients, then this study will serve as a stepping stone for a bigger study, the aim of which will be to assess if this method can indeed bring down the rate of anastomotic leakage in such patients.
Computed Tomography vs. Endoscopy Study
Anastomosis; ComplicationsColon Disease2 morePatients undergoing elective surgery for left-sided colon resection are asked to participate in this study: Every patient undergoes two types of examinations (endoscopy, CT scan) on day 3, 4 or 5 postoperatively. These two procedures are subject to investigation in terms of their accuracy (sensitivity, specificity) in detection of anastomotic leaks. The patients are followed up until day 42 postoperatively. There are no other specific tests or examinations within the study. Information and informed consent are obtained preoperatively.
OBSiDiAN in a Stapled Circular Esophagogastric Anastomosis After Ivor Lewis Esophagectomy
Anastomotic Leak EsophagusMulticentre randomized controlled trial to evaluate the effectiveness of an autologous BioMatrix on a circular stapled esophagogastric anastomosis after Ivor Lewis esophagectomy.
A1Check: the External Validation of a Machine Learning Model Predicting Colorectal Anastomotic Leakage...
Anastomotic LeakAnastomotic Leak Large Intestine2 moreAnastomotic leakage is a severe complication that can arise following a colorectal resection. It impairs both the short- and long-term outcomes, and negatively influences cancer recurrence rates. Its detrimental effects resound in healthcare costs of a patient after anastomotic leakage, €71,978, versus patients with an uncomplicated course, €17,647. Despite multiple innovations within the field of colorectal surgery, the incidence of colorectal anastomotic leakage did not reduce in the past decade. Mitigation strategies such as prehabilitation, intraoperative optimization, selective bowel decontamination, and reconstruction techniques are promising but do not completely eliminate the risk of leakage. The only true prevention of colorectal anastomotic leakage is the omission of an anastomosis and implies an ostomy, which in itself has a negative impact on the quality of life. A stoma is associated with stoma-related morbidity and should, therefore, be avoided in patients who do not need it. Predicting anastomotic leakage intra-operatively, just before the construction of the anastomosis, may offer a solution. A stoma will then only be constructed in those at high risk of anastomotic leakage. Currently, there are prediction models for anastomotic leakage based on conventional multivariate logistic regression analysis, however, these are not useful for clinical practice due to suboptimal results. Machine learning algorithms, on the other hand, take well into account the multifactorial nature of complications and might thus be able to predict anastomotic leakage more accurately. The machine learning model we created proved to be well capable of making accurate predictions. This model was developed based on a database containing both pre- and intra-operative data from 2,483 patients. Before these models can be used in daily practice, external validation is essential. Our models should be tested on unseen data from patients treated in centers that were not previously involved in the database that was used to train the model in order to achieve high reproducibility. Our hypothesis is that with our model, we can accurately predict anastomotic leakage intra-operatively during colorectal surgery.
C-protein Reactive for the Detection of Anastomotic Leakage After Surgery for Digestive Cancer
C-Reactive ProteinAnastomotic Leak1 moreThe aim of this study is to investigate the diagnostic accuracy of the C Protein Reactive (CRP) for the detection of Anastomotic leakage after surgery for digestive cancer. The standard protocol in our unit is to measure the CRP on the second and fourth postoperative day. The main aim of the study is to investigate the diagnostic accuracy of the ratio CRP on the fourth postoperative day on CRP on the second postoperative day (CRP_D4/CRP_D2). Secondary outcomes are the diagnosis accuracy of the CRP_D4 and CRP_D2.
Endoscopic Vacuum Therapy for Transmural Defects in the Upper Gastrointestinal Tract
Endoscopic Vacuum TherapyAnastomotic Leak5 moreThe goal of this observational study is to learn about the best indications and techniques regarding endoscopic vacuum therapy (EVT) in patients with a transmural defect in the upper gastrointestinal (GI) tract (e.g. anastomotic leakage, Boerhaave syndrome, iatrogenic perforation, other). The main questions it aims to answer are: What is the success rate of EVT for transmural defects in the upper GI tract? What are the best indications for EVT in the upper GI tract? (e.g. etiology, patient characteristics, defect characteristics) What are the best techniques for EVT in the upper GI tract? (e.g. EsoSponge, VACStent, vacuum pressure, intraluminal/intracavitary) Participants will be asked for informed consent to retrospectively and prospectively collect data on EVT.