Dataset Information

Efficacy of Indocyanine Green Fluorescence Angiography in Preventing Anastomotic Leakage After McKeown Minimally Invasive Esophagectomy.

ABSTRACT:

Background

Indocyanine green (ICG) fluorescence angiography (FA) was introduced to provide real-time intraoperative evaluation of the vascular perfusion of the gastric conduit during esophagectomy. However, its efficacy has not yet been proven. The aim of this study was to assess the usefulness of ICG-FA in the reduction of the rates of anastomotic leakage (AL) in McKeown minimally invasive esophagectomy (MIE).

Methods

From June 2017 to December 2019, patients aged between 18 and 80 years with esophageal carcinoma were enrolled in the study and each patient underwent McKeown MIE. Patients were divided into two groups, those with or without ICG-FA. The patient demographics and perioperative outcomes were comparable between the two groups. The primary outcome was the rate of AL.

Results

A total of 192 patients were included: 86 in the ICG-FA group and 106 in the non-ICG-FA group. Overall, 12 patients (6.3%) had AL; the rate of AL was 10.4% in the non-ICG-FA group, which was significantly higher than the 1.2% in the ICG-FA group.

Conclusions

ICG-FA has the potential to reduce the rate of AL in McKeown MIE.

SUBMITTER: Luo RJ

PROVIDER: S-EPMC7821423 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Publications

Efficacy of Indocyanine Green Fluorescence Angiography in Preventing Anastomotic Leakage After McKeown Minimally Invasive Esophagectomy.

Luo Rao-Jun RJ Zhu Zi-Yi ZY He Zheng-Fu ZF Xu Yong Y Wang Yun-Zheng YZ Chen Ping P

Frontiers in oncology 20210108

<h4>Background</h4>Indocyanine green (ICG) fluorescence angiography (FA) was introduced to provide real-time intraoperative evaluation of the vascular perfusion of the gastric conduit during esophagectomy. However, its efficacy has not yet been proven. The aim of this study was to assess the usefulness of ICG-FA in the reduction of the rates of anastomotic leakage (AL) in McKeown minimally invasive esophagectomy (MIE).<h4>Methods</h4>From June 2017 to December 2019, patients aged between 18 and ...[more]

PMID: 33489925

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Project description:Colorectal 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.

Project description:Background and Objective Quantitative studies of indocyanine green (ICG) are needed to optimize its evaluative potential in anastomotic perfusion during colorectal surgery. However, some limitations still existed in current studies about qualitative evaluations such as small-scale studies, the inconsistent concentration of the drug, the method of injection, etc. Therefore, this review summarized the primary quantitative parameters, image, method, and so on, during ICG fluorescence angiography aiming to further provide a theoretical basis for the application of ICG in laparoscopic colorectal surgery. Methods The following keywords “indocyanine green or ICG”, “anastomotic perfusion”, and “colorectal surgery” were applied to search for literature published from 2002 to 2022 in the PubMed, Web of Science, and Medline databases. Then, the information about ICG fluorescence angiography in quantitative evaluation of anastomotic perfusion during colorectal surgery was summarized. Through integrating the experiences derived from the literature and our research center, the crucial quantitative parameters [such as T0, Tmax, Fmax, and S (Fmax/Tmax)], image characteristics, and standard operational process for ICG fluorescence angiography were summarized. Key Content and Findings Firstly, quantitative parameters, including T0, Tmax, Fmax, and S (Fmax/Tmax) during the ICG fluorescence angiography could predict anastomotic leakage, and thus should be recorded. Secondly, the image curve generated by the software might differ among patients, which included a filling period, reducing period, and platform period; some patients even presented a second fluorescence intensity peak. Finally, present studies presented great heterogeneity regarding the injection dose of ICG, observation distance from the laparoscope to the anastomotic site, software, and so on, during ICG fluorescence angiography in quantitatively evaluating the intestinal blood perfusion. Conclusions This review points out the challenges of ICG fluorescence angiography in quantitative evaluation of anastomotic perfusion and gives some advice. However, some difficulties and issues are non-neglectable during the clinical implications of the quantitative evaluation of ICG, such as standardizing the specific cut-off value about the quantitative parameters, injection dose of ICG, observation distance from the laparoscope to the anastomotic site, software, and so on, during ICG fluorescence angiography in quantitatively evaluating the intestinal blood perfusion to eliminate heterogeneity.

Project description:BackgroundMeta-analyses have demonstrated that indocyanine green (ICG) can effectively prevent anastomotic leakage (AL) after colorectal surgery. However, recent evidence from large randomized controlled trial (RCT) has suggested that ICG fluorescence angiography does not reduce the incidence of AL in colorectal surgery. This study was conducted to evaluate the value of ICG for the prevention of AL following colorectal surgery.MethodsUp to September 16, 2021, PubMed, Embase, China National Knowledge Infrastructure, Web of Science, Scopus, Cochrane Library, and VIP databases were searched for RCTs and propensity-score matched (PSM) studies evaluating the use of ICG for prevention of AL after colorectal surgery. Mean differences (MDs) or odds ratios (ORs) and 95% confidence intervals (CI) were calculated.ResultsTwenty studies (5 RCTs and 15 PSM studies) with a total of 5,125 patients were included. ICG did not reduce the reoperation rate (OR, 0.71; 95% CI, 0.38, 1.30), conversion rates (OR, 1.34; 95% CI, 0.65, 2.78), or mortality (OR, 0.50; 95% CI, 0.13, 1.85), but ICG did reduce the incidence of AL (OR, 0.46; 95% CI, 0.36, 0.59) and symptomatic AL (OR, 0.48; 95% CI, 0.33, 0.71), and reduced the length of hospital stay (MD,-1.21; 95% CI,-2.06,-0.35) and intraoperative blood loss (MD,-9.13; 95% CI,-17.52,-0.74). In addition, ICG use did not increase the incidence of total postoperative complications (OR, 0.93; 95% CI, 0.64, 1.35), postoperative ileus (OR, 1.26; 95% CI, 0.53, 2.97), wound infection (OR, 0.76; 95% CI, 0.44, 1.32), urinary tract infection (OR, 0.87; 95% CI, 0.30, 2.59), pulmonary infection (OR, 0.23; 95% CI, 0.04, 1.45), urinary retention (OR, 1.08; 95% CI, 0.23, 5.04), anastomotic bleeding (OR, 1.53; 95% CI, 0.27, 8.60), anastomotic stricture (OR, 0.74; 95% CI, 0.24, 2.29), or operative time (MD,-9.64; 95% CI,-20.28, 1.01).ConclusionsICG can effectively reduce the incidence of AL, without prolonging the operation time or increasing postoperative complications in colorectal surgery.Systematic review registrationwww.crd.york.ac.uk/prospero/#recordDetails, identifier: CRD42021279064.

Project description:To update our experiences with minimally invasive McKeown esophagectomy for esophageal cancer.We retrospectively reviewed the medical records of 445 consecutive patients who underwent minimally invasive McKeown esophagectomy between January 2009 and July 2015 at the Cancer Hospital of Chinese Academy of Medical Sciences and used 103 patients who underwent open McKeown esophagectomy in the same period as controls. Among 375 patients who underwent total minimally invasive McKeown esophagectomy, 180 in the early period were chosen for the study of learning curve of total minimally invasive McKeown esophagectomy. These 180 minimally invasive McKeown esophagectomies performed by five surgeons were divided into three groups according to time sequence as group 1 (n = 60), group 2 (n = 60) and group 3 (n = 60).Patients who underwent total minimally invasive McKeown esophagectomy had significantly less intraoperative blood loss than patients who underwent hybrid minimally invasive McKeown esophagectomy or open McKeown esophagectomy (100 mL vs 300 mL vs 200 mL, P = 0.001). However, there were no significant differences in operation time, number of harvested lymph nodes, or postoperative morbidity including incidence of pulmonary complication and anastomotic leak between total minimally invasive McKeown esophagectomy, hybrid minimally invasive McKeown esophagectomy and open McKeown esophagectomy groups. There were no significant differences in 5-year survival between these three groups (60.5% vs 47.9% vs 35.6%, P = 0.735). Patients in group 1 had significantly longer duration of operation than those in groups 2 and 3. There were no significant differences in intraoperative blood loss, number of harvested lymph nodes, or postoperative morbidity including incidence of pulmonary complication and anastomotic leak between groups 1, 2 and 3.Total minimally invasive McKeown esophagectomy was associated with reduced intraoperative blood loss and comparable short term and long term survival compared with hybrid minimally invasive McKeown esophagectomy or open Mckeown esophagectomy. At least 12 cases are needed to master total minimally invasive McKeown esophagectomy in a high volume center.

Dataset Information

Efficacy of Indocyanine Green Fluorescence Angiography in Preventing Anastomotic Leakage After McKeown Minimally Invasive Esophagectomy.

Background

Methods

Results

Conclusions

Publications

Efficacy of Indocyanine Green Fluorescence Angiography in Preventing Anastomotic Leakage After McKeown Minimally Invasive Esophagectomy.

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