An automatically titrating oxygen-flow system during walking in hypoxaemic post-COVID-19 patients – A randomized controlled double-blind cross-over pilot trial - 01/12/23

Sophie Therese Berkel ^{a, ⁎} , Tessa Schneeberger ^{a, b}, Daniela Leitl ^{a, b}, Inga Jarosch ^{a, b}, Rainer Gloeckl ^{a, b}, Christoph Nell ^c, Clancy John Dennis ^{d, e}, Andreas Rembert Koczulla ^{a, b, f}

^a Department of Pulmonary Rehabilitation, Philipps-University of Marburg, German Centre for Lung Research (DZL), Marburg, Germany 

^b Institute for Pulmonary Rehabilitation Research, Schoen Klinik Berchtesgadener Land, Schoenau am Koenigssee, Germany 

^c Department of Pulmonology, Philipps-University of Marburg, Marburg, Germany 

^d Zamanian Lab, Department of Pulmonary and Critical Care Medicine, Stanford University, Stanford CA, United States 

^e Faculty of Medicine and Health, Sydney University, Sydney, Australia 

^f Teaching Hospital, Paracelsus Medical University, Salzburg, Austria 

^⁎Corresponding author at: Lindenstraße 92, 50674 Köln, Germany.Lindenstraße 92Köln50674Germany