We defined an intraoperative leak (IOL) as visualization of methylene blue dye outside of the colon (in the operative field). Postoperative leaks (POL) are defined clinically as a constellation of ...

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With metHb, the color of blood will start to change as methemoglobin ... Complications can arise from methylene blue infusions in people with a condition called G6PD deficiency. In people who lack the ...