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Is, in infertile women undergoing a basic fertility work-up, tubal flushing with oil-based contrast medium during hysterosalpingography (HSG) cost-effective compared to tubal flushing by hysterosalpingo-foam sonography (HyFoSy)? A randomized controlled trial.

The main objective of this study is to determine whether tubal flushing with oil-based contrast during HSG results into more pregnancies leading to live births when compared to tubal flushing with ExEm-foam during HyFoSy, and whether this approach…

Effects of PERMISSive Lung–protective Ventilation in Critically Ill Invasively Ventilated Patients (PERMISS)

To study the feasibility and safety of permissive lung–protective ventilation in adult critically ill patients receiving invasive ventilation for acute hypoxemic respiratory failure, and to inform the design of a future randomized clinical trial in…