Yaroshetskiy, A.I., Trembach, N.V., Parvanyan, S.G., Kuzkov, V.V., Mazurok, V.A., Gritsan, A.I., Vlasenko, A.V., Eremenko, A.A., Komnov, R.D. and Zabolotskikh, I.B. 2025. Perioperative respiratory support and postoperative outcomes: russian national epidemiological study RuVent-A: a study protocol. Annals of Critical Care. 2 (Apr. 2025), 47–57. DOI:https://doi.org/10.21320/1818-474X-2025-2-47-57.