Critical care science · 2024
Adherence to low tidal volume in the transition to spontaneous ventilation in patients with acute respiratory failure in intensive care units in Latin America (SPIRAL): a study protocol.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Diniz-Silva Fabia, Pinheiro Bruno Valle, Reyes Luis Felipe, Cavalcanti Alexandre Biasi, Figueredo Belinda, Rios Fernando, Machado Flávia Ribeiro, Preda Gabriel, Bugedo Guillermo, Maia Israel Silva, Silveira Leda Tomiko Yamada da, Herrera Luis, Jibaja Manuel, Ibarra-Estrada Miguel, Cestari Mino, Nin Nicolás, Roldan Rollin, Santos Tiago Mendonça Dos, Veiga Viviane Cordeiro, Bruhn Alejandro, Ferreira Juliana Carvalho, SPIRAL Investigators, the Brazilian Research in Intensive Care Network (BRICNet), Latin America Intensive Care Network (LIVEN)
Аннотация
OBJECTIVE: Patients with acute respiratory failure often require mechanical ventilation to reduce the work of breathing and improve gas exchange; however, this may exacerbate lung injury. Protective ventilation strategies, characterized by low tidal volumes (≤ 8mL/kg of predicted body weight) and limited plateau pressure below 30cmH2O, have shown improved outcomes in patients with acute respiratory distress syndrome. However, in the transition to spontaneous ventilation, it can be challenging to maintain tidal volume within protective levels, and it is unclear whether low tidal volumes during spontaneous ventilation impact patient outcomes. We developed a study protocol to estimate the prevalence of low tidal volume ventilation in the first 24 hours of spontaneous ventilation in patients with hypoxemic acute respiratory failure and its association with ventilator-free days and survival.
METHODS: We designed a multicenter, multinational, cohort study with a 28-day follow-up that will include patients with acute respiratory failure, defined as a partial oxygen pressure/fraction of inspired oxygen ratio < 300mmHg, in transition to spontaneous ventilation in intensive care units in Latin America.
RESULTS: We plan to include 422 patients in ten countries. The primary outcomes are the prevalence of low tidal volume in the first 24 hours of spontaneous ventilation and ventilator-free days on day 28. The secondary outcomes are intensive care unit and hospital mortality, incidence of asynchrony and return to controlled ventilation and sedation.
CONCLUSION: In this study, we will assess the prevalence of low tidal volume during spontaneous ventilation and its association with clinical outcomes, which can inform clinical practice and future clinical trials.
METHODS: We designed a multicenter, multinational, cohort study with a 28-day follow-up that will include patients with acute respiratory failure, defined as a partial oxygen pressure/fraction of inspired oxygen ratio < 300mmHg, in transition to spontaneous ventilation in intensive care units in Latin America.
RESULTS: We plan to include 422 patients in ten countries. The primary outcomes are the prevalence of low tidal volume in the first 24 hours of spontaneous ventilation and ventilator-free days on day 28. The secondary outcomes are intensive care unit and hospital mortality, incidence of asynchrony and return to controlled ventilation and sedation.
CONCLUSION: In this study, we will assess the prevalence of low tidal volume during spontaneous ventilation and its association with clinical outcomes, which can inform clinical practice and future clinical trials.