Effect of the Red Bull Energy Drink on Perfusion-Related Variables in Women Undergoing Microsurgical Breast Reconstruction: Protocol and Analysis Plan for a Prospective, Multicenter Randomized Controlled Trial

Nicole Edith Speck   ^{1, 2} , MD ;   Michal Michalak   ³ , PhD ;   Kathrin Dreier   ⁴ , MD ;   Doris Babst   ¹ , MD ;   Alessia Marisa Lardi   ¹ , MD ;   Jian Farhadi   ^{1, 5} , MD

¹ Plastic Surgery Group, Zurich, Switzerland

² Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital Basel, Basel, Switzerland

³ Department of Computer Science and Statistics, Poznan University of Medical Sciences, Poznan, Poland

⁴ Department of Anesthesiology, Klinik Pyramide am See, Zurich, Switzerland

⁵ Faculty of Medicine, University of Basel, Basel, Switzerland