Study: NCT05898269

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: Trendelenburg maneuver
Description: Bed tilting from the +13° position to the -13° position for 60 seconds. Evaluator: relative change in continuous cardiac index between baseline, and the highest value observed during the maneuver

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory occlusion test (EE OCC)
Description: End-expiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory and end-inspiratory occlusion test (EI OCC)
Description: End-inspiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause. The evaluator is calculated as the sum of the relative change in cardiac index observed during the end-expiratory pause and that of the end-inspiratory pause. Hence, for this test, the evaluator will be coupled with that of intervention 2 (end-expiratory occlusion test).

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory and end-inspiratory occlusion test (EI OCC)
Description: End-inspiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause. The evaluator is calculated as the sum of the relative change in cardiac index observed during the end-expiratory pause and that of the end-inspiratory pause. Hence, for this test, the evaluator will be coupled with that of intervention 2 (end-expiratory occlusion test).

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory and end-inspiratory occlusion test (EI OCC)
Description: End-inspiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause. The evaluator is calculated as the sum of the relative change in cardiac index observed during the end-expiratory pause and that of the end-inspiratory pause. Hence, for this test, the evaluator will be coupled with that of intervention 2 (end-expiratory occlusion test).

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory and end-inspiratory occlusion test (EI OCC)
Description: End-inspiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause. The evaluator is calculated as the sum of the relative change in cardiac index observed during the end-expiratory pause and that of the end-inspiratory pause. Hence, for this test, the evaluator will be coupled with that of intervention 2 (end-expiratory occlusion test).

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory and end-inspiratory occlusion test (EI OCC)
Description: End-inspiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause. The evaluator is calculated as the sum of the relative change in cardiac index observed during the end-expiratory pause and that of the end-inspiratory pause. Hence, for this test, the evaluator will be coupled with that of intervention 2 (end-expiratory occlusion test).

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory and end-inspiratory occlusion test (EI OCC)
Description: End-inspiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause. The evaluator is calculated as the sum of the relative change in cardiac index observed during the end-expiratory pause and that of the end-inspiratory pause. Hence, for this test, the evaluator will be coupled with that of intervention 2 (end-expiratory occlusion test).

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory and end-inspiratory occlusion test (EI OCC)
Description: End-inspiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause. The evaluator is calculated as the sum of the relative change in cardiac index observed during the end-expiratory pause and that of the end-inspiratory pause. Hence, for this test, the evaluator will be coupled with that of intervention 2 (end-expiratory occlusion test).

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory and end-inspiratory occlusion test (EI OCC)
Description: End-inspiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause. The evaluator is calculated as the sum of the relative change in cardiac index observed during the end-expiratory pause and that of the end-inspiratory pause. Hence, for this test, the evaluator will be coupled with that of intervention 2 (end-expiratory occlusion test).

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory and end-inspiratory occlusion test (EI OCC)
Description: End-inspiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause. The evaluator is calculated as the sum of the relative change in cardiac index observed during the end-expiratory pause and that of the end-inspiratory pause. Hence, for this test, the evaluator will be coupled with that of intervention 2 (end-expiratory occlusion test).

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory and end-inspiratory occlusion test (EI OCC)
Description: End-inspiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause. The evaluator is calculated as the sum of the relative change in cardiac index observed during the end-expiratory pause and that of the end-inspiratory pause. Hence, for this test, the evaluator will be coupled with that of intervention 2 (end-expiratory occlusion test).

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory and end-inspiratory occlusion test (EI OCC)
Description: End-inspiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause. The evaluator is calculated as the sum of the relative change in cardiac index observed during the end-expiratory pause and that of the end-inspiratory pause. Hence, for this test, the evaluator will be coupled with that of intervention 2 (end-expiratory occlusion test).

Intervention type: DIAGNOSTIC_TEST
Group type: EXPERIMENTAL
Intervention: End-expiratory and end-inspiratory occlusion test (EI OCC)
Description: End-inspiratory pause performed on the ventilator, and maintained for 15 seconds.~Evaluator: relative change in continuous cardiac index between baseline, and the value observed in the last 5 seconds of the respiratory pause. The evaluator is calculated as the sum of the relative change in cardiac index observed during the end-expiratory pause and that of the end-inspiratory pause. Hence, for this test, the evaluator will be coupled with that of intervention 2 (end-expiratory occlusion test).