Perioperative respiratory support and postoperative outcomes: russian national epidemiological study RuVent-A: a study protocol

INTRODUCTION: Annually, approximately 230 million patients undergo general anesthesia and mechanical ventilation, which is associated with a high incidence of postoperative pulmonary complications (PPC). Despite the proven efficacy of protective ventilation, the actual respiratory support strategies in Russian operating rooms remain insufficiently studied, underscoring the relevance of the RuVent-A study. MATERIALS AND METHODS: In the multicenter observational study RuVent-A, data will be collected using specialized electronic forms (Center Card and Patient Protocol) integrated into a secure web platform that ensures anonymization, regular backup, and quality control of the data. onditions: This is a multicenter observational study of patients undergoing surgical interventions under mechanical ventilation. Patients: The study includes all patients over 18 years of age undergoing surgical interventions under general anesthesia over a period of 5 working days. Interventions: The study records respiratory support parameters (tidal volume, PEEP, FiO₂, ventilation modes, etc.), the type of surgical intervention, comorbidities, and the subsequent occurrence of PPC, while no changes to clinical protocols are made. RESULTS: The developed study design has been registered in the ClinicalTrials.gov database, confirming its compliance with international standards and ensuring the transparency of the research. CONCLUSIONS: It is anticipated that the results of RuVent-A will help identify current respiratory support strategies, determine key risk factors for PPC, and formulate recommendations for optimizing perioperative ventilation in Russia, ultimately enhancing the quality of medical care and patient safety.