Common anaesthetic agent causing an uncommon side effect

Description

A 30-year-old man was brought to our trauma centre with a history of road traffic accident 1 hour back. He had sustained a right both bone forearm fracture and surgery in the form of open reduction internal fixation with plating was planned. The preoperative routine haematological and biochemical investigations revealed normal values and the patient was posted for surgery after achieving preanaesthetic fitness. General anaesthesia was induced with fentanyl and propofol 100 mg and maintained with nitrous oxide and vecuronium. Intraoperative period was uneventful with the fractures being treated with a 7-hole dynamic compression plate (DCP) for radius and a 6-hole DCP for ulna. Glycopyrrolate and neostigmine were used for the reversal of neuromuscular blockade. The patient was extubated successfully and transferred to the postoperative ward. Two to 3 hours postsurgery, the nursing staff noticed green-coloured urine, thereby alarming them and the other medical personnel (figure 1). Urinary tract infection (UTI) was suspected. After a thorough re-evaluation of the patient and...

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