Fluorescence angiography may help identify leaks after colorectal anastomosis: Study
Anastomotic leaks following colorectal anastomosis has substantial implications including increased morbidity, longer hospitalization, and reduced overall survival. The etiology of leaks includes patient factors, technical factors, and anastomotic perfusion. An intact anastomotic blood supply is especially crucial in the physiology of anastomotic healing.
The use of indocyanine green fluorescence angiography is associated with a decrease in anastomotic leakage,suggests the findings of a recent study. The authors further reported that the association is present in patients with severe anastomotic leakage requiring intervention as well as low colorectal anastomoses.The study findings have been published in Surgery.
Indocyanine green (ICG) fluorescence angiography (FA) is an emerging technology, which has been used in an attempt to decrease the incidence of anastomotic leaks. Using near-infrared image systems, vascular perfusion toward the colorectal anastomosis can be assessed intraoperatively, allowing surgeons to anastomose well-perfused bowel or to refashion a poorly perfused anastomosis.
Because anastomotic leakage afflicts about 10% of colorectal resections, randomized controlled trials and prospective studies are not readily forthcoming due to the large number of patients needed in order to achieve an adequate sample size for comparison.
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