Pulse oximetry is a valuable method of monitoring a patient's oxygenation levels and is an increasingly common test. It is important that any health-care professional conducting pulse oximetry is aware of the various factors that may influence the results obtained, ranging from incorrect use of the equipment to the effect of the patient's condition.
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Acta Paediatr
January 2025
Department of Pediatric Cardiology, Queen Silvia Children's Hospital at the Sahlgrenska University Hospital, Gothenburg, Sweden.
Aim: Newborn infants with critical aortic arch obstruction are often undiagnosed at discharge, despite screening. This study investigated if adding the perfusion index improved early detection.
Methods: We retrospectively studied 38 newborn infants with critical aortic arch obstruction, who were routinely screened in 2014-2019 by 13 Swedish hospitals using pulse oximetry and the perfusion index.
J Intensive Med
January 2025
Critical Care Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Background: Awake prone positioning (APP) can reportedly reduce the need for intubation and help improve prognosis of patients with acute hypoxemic respiratory failure (AHRF) infected with COVID-19. However, its physiological mechanism remains unclear. In this study, we evaluated the effect of APP on lung ventilation in patients with moderate-to-severe AHRF to better understand the effects on ventilation distribution and to prevent intubation in non-intubated patients.
View Article and Find Full Text PDFJ Intensive Med
January 2025
Department of Critical Care Medicine, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital of Wannan Medical College), Wuhu, Anhui, China.
Background: The purpose is to formulate a modified screening protocol for acute respiratory distress syndrome (ARDS) in patients with respiratory support based on saturation of pulse oximetry (SpO) and inspired oxygen concentration (FiO).
Methods: This prospective observational study was conducted from August to October 2020 at the Department of Critical Care Medicine of Yijishan Hospital Affiliated with Wannan Medical College. All patients admitted during the study period and required arterial blood gas analysis and electrocardiogram monitoring were included in this study.
ERJ Open Res
January 2025
Department of Smoking and COPD Research, National Institute of Respiratory Diseases, Mexico City, Mexico.
Background: COPD ranks as the third leading global cause of mortality. Despite the widespread use of the BODE index and its variants for mortality prediction, their accuracy may be affected by factors like ethnicity, altitude and regional disparities. This study aimed to assess a new altitude-adapted prognostic index in COPD patients at moderate altitudes compared with the BODE and other mortality predictors.
View Article and Find Full Text PDFBMC Anesthesiol
January 2025
Department of Anesthesiology and Reanimation, University of Health Sciences, Gulhane Training and Research Hospital, Etlik, Ankara, 06010, Turkey.
Introduction-objective: Hyperoxia is associated with acute lung injury and atelectasis. Arterial blood gas measurement is an invasive method. The Oxygen Reserve Index (ORI) was developed to monitor the oxygen values of patients.
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