2.6. Description of the Intervention
In addition to the standard therapy, each group of patients received an antioxidant orally or by nasoenteral tube for 5 days. In the NAC group, 600 mg effervescent tablets were administered every 12 h; in the MT group, extended-release capsules of 50 mg in a daily dose were administered; in the Vit C group, 1 g tablets every 6 h and in the Vit E group, capsules α-tocopherol of 400 IU were given every 8 h.