The Accuracy of Wrist-Worn Photoplethysmogram–Measured Heart and Respiratory Rates in Abdominal Surgery Patients: Observational Prospective Clinical Validation Study

Jonna A van der Stam   ^{1, 2, 3} , MSc ;   Eveline H J Mestrom   ⁴ , MD ;   Jai Scheerhoorn   ⁵ , MD ;   Fleur E N B Jacobs   ⁶ , MSc ;   Simon Nienhuijs   ⁵ , MD, PhD ;   Arjen-Kars Boer   ^{2, 3} , PhD ;   Natal A W van Riel   ^{1, 3, 7} , PhD ;   Helma M de Morree   ⁸ , PhD ;   Alberto G Bonomi   ⁸ , PhD ;   Volkher Scharnhorst   ^{1, 2, 3} , PhD ;   R Arthur Bouwman   ^{4, 9} , MD, PhD

¹ Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands

² Clinical Laboratory, Catharina Hospital, Eindhoven, The Netherlands

³ Expert Center Clinical Chemistry Eindhoven, Eindhoven, The Netherlands

⁴ Department of Anesthesiology, Intensive Care & Pain Medicine, Catharina Hospital, Eindhoven, The Netherlands

⁵ Department of Surgery, Catharina Hospital, Eindhoven, The Netherlands

⁶ Department of Medical Physics, Catharina Hospital, Eindhoven, The Netherlands

⁷ Department of Vascular Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands

⁸ Patient Care & Monitoring Department, Philips Research, Eindhoven, The Netherlands

⁹ Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands