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High-flow nasal cannula oxygen therapy versus conventional oxygen therapy in patients undergoing bronchoscopy: a retrospective study.
BMC Pulm Med
December 2024
Department of Pulmonary and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Background: Patients undergoing bronchoscopy, particularly those with pre-existing hypoxemia, face a significant risk of further deterioration in their oxygen saturation levels. This heightened risk necessitates the provision of supplemental oxygen therapy throughout the procedure, rendering it mandatory. High-flow nasal cannula (HFNC) has been widely employed in the management of hypoxemic acute respiratory failure (ARF) in adults.
View Article and Find Full Text PDFNear-Infrared Spectroscopy (NIRS) to Assess Infection Complications During the Acute Phase of Acute Pancreatitis.
Diagnostics (Basel)
November 2024
Division of Emergency and Critical Care Medicine, Department of Acute Medicine, Nihon University School of Medicine, Tokyo 173-8610, Japan.
Background: Acute pancreatitis (AP) severity is correlated with systemic infection incidence in the acute phase, and it is important to assess inflammation during the disease course and to recognize infection at an early stage. As in sepsis, inflammation in AP impairs tissue oxygen metabolism and disrupts microcirculation. We performed a vascular occlusion test (VOT) via near-infrared spectroscopy (NIRS), which noninvasively monitors local oxygen in peripheral tissues, to evaluate tissue oxygen metabolism and blood circulation during the acute AP phase.
View Article and Find Full Text PDFImpact of the visceral adipose tissue on bone quality in patients with untreated mild-to-severe obstructive sleep apnea.
J Sleep Res
December 2024
Department of Medicine, Respiratory Medicine Unit, University of Verona and Azienda Ospedaliera Universitaria Integrata of Verona, Verona, Italy.
Article Synopsis
- Obstructive sleep apnea (OSA) mainly affects obese patients and can lead to serious organ damage, with less understood consequences for bone health related to fat distribution.
- In a study of 49 patients with mild-to-severe OSA, it was found that 63% had increased visceral adipose tissue (iVAT), which correlated with higher rates of hypertension and diabetes, as well as worse nocturnal oxygen levels.
- Patients with iVAT displayed significantly lower lumbar spine trabecular bone scores compared to those with normal visceral fat, indicating a negative impact of VAT on bone quality, which could also link to vertebral fractures.
[Platypnea-orthodeoxia syndrome in a patient with heart failure: A case report].
Rev Med Interne
December 2024
Service de pathologies cardiovasculaires, hôpital d'instruction des armées Laveran, 34, boulevard Laveran, CS 50004, 13384 Marseille, France.
Introduction: The platypnea orthodeoxia syndrome is a rare clinical entity combining positional dyspnea and arterial oxygen desaturation during the transition to orthostatism, reversible on return to decubitus. The most frequent etiology of this syndrome is the presence of a patent foramen ovale (PFO) responsible for a right-to-left intracardiac shunt, the severity of which results in significant functional disability and a risk of death from hypoxia.
Case Report: We report the case of a 93-year old patient on long-term oxygen, initially hospitalized for acute heart failure following a community-acquired urinary tract infection.
Extreme altitude-induced central sleep apneas lasting more than 100 seconds in a healthy 23-year-old man.
J Sleep Res
December 2024
Center for Investigation and Research in Sleep, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
Central sleep apneas (CSA) can occur de novo at high-altitude in individuals without sleep-disordered breathing at low altitude. These apneas are usually brief, lasting only 5-15 s. This report presents the first documented case of a man experiencing extreme altitude-induced CSA lasting more than 100 s in the absence of any sleep breathing disorder in normoxia.
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