Any deviation in normal urine color intraoperatively is alarming green the clinician. Frequently observed discoloration of urine is piss urine dehydrationdark yellow to orange bilirubinuriapink to red-brown hematuriabrown myoglobinuriayellow Vitamin B-complexor orange rifampicin. We report a case of green urine in a year-old female patient, 65 kg, American Society of Anesthesiologists Physical Status I, scheduled for laparotomy for repair of piss enterocutaneous fistula.
Red, brown, green: Urine colors and what they might mean
Anesthesia was induced with morphine 6 mg and propofol mg, and tracheal intubation was facilitated by vecuronium 6 mg. Anesthesia was maintained with isoflurane 0. Two hours after methylene blue use, a change in urine color was observed from normal yellow to green [ Figure 1 ].
The intraoperative period was uneventful.
Green urine: A cause for concern?
Surgery lasted for 5 h. At the end of surgery, residual neuromuscular block was reversed neostigmine, glycopyrrolate. The postoperative period was unremarkable. Patient's urine color became normal 8 h postoperatively. Methylene blue, a nonpathogenic water-soluble dye, is used intraoperatively for diagnostic tests fistula detection, patency of fallopian tubes, and identification of parathyroid green.