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High Flow Nasal Oxygen For Hypercapnic, Acidotic Exacerbation Chronic Obstructive Pulmonary Disease. (HicaP)

To assess the feasibility of a larger study comparing HFNO with NIV as first line treatment in hypercapnic, acidotic AECOPD.

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…