H. Yppärilä-Wolters

Tetanic stimulus of ulnar nerve as a predictor of heart rate response to skin incision in propofol–remifentanil anaesthesia †

M. Rantanen, H. Yppärilä-Wolters, Mark van Gils et al. · British Journal of Anaesthesia · 2007 · 55 citations

Heart Rate Response, Ulnar Nerve, Tetanic Stimulus +11

Heart rate variability does not discriminate between different levels of haemodynamic responsiveness during surgical anaesthesia †

Martin Luginbühl, H. Yppärilä-Wolters, M. Rüfenacht et al. · British Journal of Anaesthesia · 2007 · 46 citations · Full text

Cardiac Anaesthesia, Surgical Anaesthesia †, Medicine +11

Entropy and bispectral index for assessment of sedation, analgesia and the effects of unpleasant stimuli in critically ill patients: an observational study

H. Yppärilä-Wolters, Christine Bieri, Carola Steiner et al. · Critical Care · 2008 · 38 citations · Full text

Auditory Event-Related Potentials, Bispectral Index, and Entropy for the Discrimination of Different Levels of Sedation in Intensive Care Unit Patients

H. Yppärilä-Wolters, Sarah E. Buerki, Rebekka Schlauri et al. · Anesthesia & Analgesia · 2009 · 33 citations

Intra- and inter-individual variation of BIS-index® and Entropy® during controlled sedation with midazolam/remifentanil and dexmedetomidine/remifentanil in healthy volunteers: an interventional study

H. Yppärilä-Wolters, Kathrin Hauser, Claudio Caviezel et al. · Critical Care · 2009 · 32 citations · Full text