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Activation of Automatic Tube Compensation Mode Attenuates Auto-PEEP in Chronic Obstructive Pulmonary Disease Patients.
Clin Respir J
October 2024
Trauma and Injury Research Center, Iran University of Medical Sciences, Tehran, Iran.
Article Synopsis
- Dynamic hyperinflation in COPD leads to auto-PEEP, which increases the effort needed for breathing; Automatic tube compensation (ATC) aims to alleviate this.
- In a study with 60 patients, results showed that activating ATC led to a significant decrease in auto-PEEP across all times of day, with greater reductions observed in stable COPD patients compared to those experiencing exacerbations.
- Overall, while ATC activation benefits chronic COPD patients by reducing auto-PEEP, those with exacerbations showed less improvement.
An Unusual Case of Contralateral Hypoglossal and Recurrent Laryngeal Nerve Palsies Following Endotracheal Intubation.
Dysphagia
December 2024
Department of Neurology, Barts Health NHS Trust, London, UK.
We present an unusual case of a 62-year-old male presenting with contralateral hypoglossal and recurrent laryngeal nerve palsies following endotracheal intubation for emergency cardiac surgery. Postoperative, the patient was referred to Speech and Language Therapy due to concerns regarding the safety of his swallow. Oromotor assessment revealed left-sided tongue weakness and aphonia.
View Article and Find Full Text PDFRespiratory Interventions, Hospital Utilization, and Clinical Outcomes of Persons with COPD and COVID-19.
Int J Chron Obstruct Pulmon Dis
December 2023
Department of Cardiopulmonary Sciences, Rush University, Chicago, IL, USA.
Purpose: Coronavirus disease 2019 (COVID-19) impacted outcomes of persons with chronic respiratory diseases such as chronic obstructive pulmonary disease (COPD). This study investigated the differences in respiratory interventions, hospital utilization, smoking status, and 30-day readmission in those with COPD and COVID-19 based on hospital survival status.
Methods: A retrospective cross-sectional study was conducted from February 2020 to October 2020 and included persons with COPD and COVID-19 infection.
Evaluation of the Humidification Performances of New Generation of Heated Wire Humidifiers.
Respir Care
March 2024
Dr Lellouche, Ms Rousseau, and Mr Bouchard are affiliated with the Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec, Quebec (Quebec), Canada.
Background: At high ambient temperatures in ICU rooms, the humidification performances of heated-wire humidifiers are significantly reduced, with delivered gas humidity well below 30 mg HO/L, which leads to an increased risk of endotracheal occlusions, subocclusions, or mucociliary dysfunction. The objective of the study was to evaluate the humidity delivered at the Y-piece with new-generation heated-wire humidifiers with advanced algorithm (FP950 [Fisher & Paykel Healthcare, Auckland, New Zealand] and VHB20 [Vincent Medical, Inspired, Hong Kong]) while varying ambient temperatures.
Methods: We measured, on the bench, the hygrometry of inspiratory gases delivered by a new generation of heated-wire humidifiers (i) FP950, (ii) VHB20 and a previous generation of heated-wire humidifiers, (iii) MR850 (Fisher & Paykel) with the usual settings (37°C at the chamber/40°C at the Y-piece), (iv) MR850 with no temperature gradient (40°C/40°C), and (v) MR850 with the automatic compensation algorithm activated.
Pre-hospital emergency cricothyrotomy in dogs part 2: Airway sealing and ventilation using cricothyrotomy tubes.
Front Vet Sci
February 2023
Faculty of Science, School of Veterinary Science, The University of Queensland, Gatton, QLD, Australia.
Cricothyrotomy (CTT) has been recommended for use in the pre-hospital setting for military working dogs and Operational K9s during airway emergencies. Although the CTT can establish a patent airway for spontaneous ventilation, the ability to seal the airway and provide positive pressure ventilation (PPV) using tubes designed for humans has not been determined. Using various CTT tubes placed in cadaver dog airways, this study aimed to determine: (1) Whether the tube cuff could create a functional airway seal with safe intra-cuff pressures; (2) The magnitude of delivered tidal volume (TV) loss during a standard breath to assess the possibility of delivering an adequate tidal volume with a bag-valve device (BVM); (3) The best performing tubes for either test; (4) The reasons behind the findings using observations from upper airway endoscopy, dissection, and measurements.
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