A 38-year-old man underwent surgical treatment of a wound with a suppuration focus. On the 8th day after the procedure the wound cleared of purulo-necrotic discharge and granulations appeared. However, against the background of antibacterial therapy, the patient’s body temperature persists as high as 38.5-39.5°C; chills, excessive sweating, and euphoria are observed in the patient; heart rate is 120/min. What complication of the local suppurative inflammatory process can be suspected?