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Evaluation of Non-Invasive Hemoglobin Monitoring in Perioperative Patients: A Retrospective Study of the Rad-67 (Masimo).
Diagnostics (Basel)
January 2025
Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, University Hospital Würzburg, Oberdürrbacher Str. 6, 97080 Würzburg, Germany.
: Hemoglobin (Hb) is a crucial parameter in perioperative care due to its essential role for oxygen transport and tissue oxygenation. Accurate Hb monitoring allows for timely interventions to address perioperative anemia and, thus, prevent morbidity and mortality. Traditional Hb measurements rely on invasive blood sampling, which significantly contributes to iatrogenic anemia and poses discomfort and increased infection risks.
View Article and Find Full Text PDFNoninvasive Anemia Detection and Hemoglobin Estimation from Retinal Images Using Deep Learning: A Scalable Solution for Resource-Limited Settings.
Transl Vis Sci Technol
January 2025
School of Optometry and Vision Science, University of New South Wales, Sydney, Australia.
Purpose: The purpose of this study was to develop and validate a deep-learning model for noninvasive anemia detection, hemoglobin (Hb) level estimation, and identification of anemia-related retinal features using fundus images.
Methods: The dataset included 2265 participants aged 40 years and above from a population-based study in South India. The dataset included ocular and systemic clinical parameters, dilated retinal fundus images, and hematological data such as complete blood counts and Hb concentration levels.
Evaluation of macular retinal oximetry across different levels of diabetic retinopathy: a cross sectional study.
BMC Ophthalmol
January 2025
College of Optometry, University of Houston College of Optometry, 4401 Martin Luther King Blvd, 77204-2020, Houston, TX, USA.
Background: This study evaluates retinal oxygen saturation and vessel density within the macula and correlates these measures in controls and subjects with type 2 diabetes (DM) with (DMR) and without (DMnR) retinopathy. Changes in retinal oxygen saturation have not been evaluated regionally in diabetic patients.
Methods: Data from seventy subjects (28 controls, 26 DMnR, and 16 DMR were analyzed.
Minimizing the error in the hemoglobin estimation of blood donors as an articulate step toward donors' blood management.
Asian J Transfus Sci
August 2024
Department of Transfusion Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Introduction: Hemoglobin (Hb) estimation in blood donors is conducted using capillary samples on portable hemoglobinometers, representing measurement methods in practice. The reference standard is conducted using a venous sample on a hematology analyzer, representing the mentor measurement method or the true value. The correction involves the calculation of the secondary adjustment factor (SAF) to mitigate the difference between the two values.
View Article and Find Full Text PDFHemoglobin mass is accurately predicted in endurance athletes.
J Sports Sci
January 2025
Department of Nutrition Physiology, Institute of Sport-National Research Institute, Warsaw, Poland.
Hemoglobin mass (Hb) prediction enhance the accessibility and practicality of athletes' hemoglobin status monitoring, facilitating better performance. Therefore, we aimed to create prediction equations for Hb in well-trained endurance athletes (EA), based on easily obtained measures. The population of 220 well-trained EA (40% females, maximal oxygen uptake = 63.
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