HEMTANON, N.; KONGSAYREEPONG, S.; KITISIN, N. Change in cardiac index during Trendelenburg maneuver as a predictor of fluid responsiveness among patients under mechanical ventilation with spontaneous breathing activity: A protocol for prospective observational study: Trendelenburg maneuver and fluid responsiveness in mechanically ventilated patients with spontaneous breathing activity. Clinical Critical Care, Bangkok, Thailand, v. 32, n. 1, p. e240006, 2024. DOI: 10.54205/ccc.v32.266258. Disponível em: https://he02.tci-thaijo.org/index.php/ccc/article/view/266258. Acesso em: 20 sep. 2026.