Pulmonary reperfusion injury (PRI) after pulmonary arteries unifocalization is relatively newly described complication of the early postoperative period. This article presents a case of PRI in 2 years old patient on the 3rd day after the unifocalization procedure that was accompanied by respiratory failure increase with the need of respiratory function restoration and mechanical ventilation implementation. Laboratory and bacteriological examination, as well as computed tomography and angiography were performed to clarify the diagnosis. Positive dynamics was observed on the fifth postoperative day. There were no symptoms at hospital discharge.

Disclosure of interest - not declared.