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Performance of a Wearable Ring in Controlled Hypoxia: A Prospective Observational Study

Performance of a Wearable Ring in Controlled Hypoxia: A Prospective Observational Study

The study was conducted at an independent lab (Hypoxia Research Laboratory, Department of Anesthesia and Perioperative Care, University of California San Francisco) under the direction of Phillip Bickler, MD, Ph D, and John Feiner, MD, and sponsored by Movano Health (Pleasanton, California). The clinical study reported here used a methodology for accuracy consistent with the FDA guidance document [10].

John J Mastrototaro, Michael Leabman, Joe Shumate, Kim L Tompkins

JMIR Form Res 2024;8:e54256

Predicting Hypoxia Using Machine Learning: Systematic Review

Predicting Hypoxia Using Machine Learning: Systematic Review

A key factor in risk assessment for sequelae and mortality in hospitalized patients is hypoxia. It describes the decreased availability of oxygen in specific body regions (tissue hypoxia) or in the body as a whole (general hypoxia) [1-3]. To prevent general hypoxia and to detect deterioration quickly, hypoxemia monitoring is commonly performed using pulse oximetry as a continuous and noninvasive assessment, especially in the intensive care unit (ICU) and operating room (OR) [4].

Lena Pigat, Benjamin P Geisler, Seyedmostafa Sheikhalishahi, Julia Sander, Mathias Kaspar, Maximilian Schmutz, Sven Olaf Rohr, Carl Mathis Wild, Sebastian Goss, Sarra Zaghdoudi, Ludwig Christian Hinske

JMIR Med Inform 2024;12:e50642

The Use of Wearable Pulse Oximeters in the Prompt Detection of Hypoxemia and During Movement: Diagnostic Accuracy Study

The Use of Wearable Pulse Oximeters in the Prompt Detection of Hypoxemia and During Movement: Diagnostic Accuracy Study

We aimed to collect approximately 30 full data sets (with 7 ABGs being used in both the movement and hypoxia exposure phases, yielding a total of 420 readings, ie, 210 for each phase) to achieve a sufficient number of data points for the primary and secondary outcomes, and to recruit participants varying in their physical characteristics to the greatest extent possible. We excluded participants if incomplete data were collected for any 1 device during testing or if hypoxia was not achieved.

Mauro Santos, Sarah Vollam, Marco AF Pimentel, Carlos Areia, Louise Young, Cristian Roman, Jody Ede, Philippa Piper, Elizabeth King, Mirae Harford, Akshay Shah, Owen Gustafson, Lionel Tarassenko, Peter Watkinson

J Med Internet Res 2022;24(2):e28890

A Strategy to Reduce Critical Cardiorespiratory Alarms due to Intermittent Enteral Feeding of Preterm Neonates in Intensive Care

A Strategy to Reduce Critical Cardiorespiratory Alarms due to Intermittent Enteral Feeding of Preterm Neonates in Intensive Care

Notably, though in a study of 33 preterm infants, fed once by each method, intermittent feeding was associated with lower apnea and apnea-related hypoxia [3]. Intermittent feeding is typically of two types—the push type is where the liquid is gently pushed through a syringe into the infant’s stomach, and the gravity type is where the liquid in the syringe is allowed to drip in under the influence of gravity.

Rohan Joshi, Carola van Pul, Anouk Sanders, Hans Weda, Jan Willem Bikker, Loe Feijs, Peter Andriessen

Interact J Med Res 2017;6(2):e20