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Lung Injury clinical trials

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NCT ID: NCT06416709 Recruiting - Lung Injury Clinical Trials

Stem Cell Treatment for Lung Injury Caused by Major Infectious Diseases

Start date: May 10, 2023
Phase: Phase 1/Phase 2
Study type: Interventional

The goal of this study is to conduct a prospective, double-blind, randomized placebo-controlled clinical trial to investigate the safety and efficacy of mesenchymal stem cells treatment for Lung injury caused by major infectious diseases.

NCT ID: NCT06367946 Recruiting - Clinical trials for Ventilator-Induced Lung Injury

Mechanism Study of Ventilator-Induced Lung Injury in Elderly People.

Start date: June 1, 2023
Phase:
Study type: Observational

1. We collect lung tissues from patients with different ages and confirm that KLK8 expression is positively correlated with age. 2. We collect peripheral blood from patients with different ages and duration of mechanical ventilation to explore the correlation between the degree of endothelial/epithelial damage, age and duration of mechanical ventilation.

NCT ID: NCT06321497 Recruiting - ARDS, Human Clinical Trials

Extracorporeal Carbon Dioxide Removal Using PrismaLung in Reducing Ventilator Induced Lung Injury

Start date: February 5, 2024
Phase:
Study type: Observational

Lung protective ventilation with low tidal volumes and low driving pressure are known to reduce mortality in mechanically ventilated patients with acute respiratory failure. This reduction in mortality is known be due to reduction of ventilator induced lung injury that occurs due to high tidal volumes and high driving pressure. When receiving such mechanical ventilation, some patients develop hypercapnia and associated hypercapnic acidosis. Such patients have an increased risk of mortality. While the exact reasons for such increase in mortality is not known, it is recommended to minimise hypercapnia and hypercapnic acidosis during lung protective ventilation. Minimally invasive extracorporeal carbon dioxide removal (ECCO2R) devices are shown to reduce hypercapnia and hypercapnic acidosis. There are several devices that are currently available in the current clinical practice. However, the effect of these devices on reduction in ventilator induced lung injury is not clearly demonstrated. This study aims to assess the use of an ECCO2R device called Prismalung in reducing ventilator induced lung injury. PrismaLung is currently used in our intensive care unit. This assessment is done by measuring interleukins in bronchoalveolar lavage fluid and blood interleukin levels as well as clinical assessment including the reduction of driving pressure.

NCT ID: NCT06248320 Recruiting - Clinical trials for Postoperative Complications

Sigh Ventilation on Postoperative Hypoxemia in Cardiac Surgery

Start date: February 25, 2024
Phase: N/A
Study type: Interventional

Postoperative pulmonary complications (PPCs) remain a frequent event after pump-on cardiac surgery and are mostly characterized by postoperative hypoxemia.These complications are significant contributors to prolonged intensive care unit admissions and an escalation in in-hospital mortality rates. The dual impact of general anesthesia with invasive mechanical ventilation results in ventilator-induced lung injury, while cardiac surgery introduces additional pulmonary insults. These include systemic inflammatory responses initiated by cardiopulmonary bypass and ischemic lung damage consequent to aortic cross-clamping. Contributing factors such as blood transfusions and postoperative pain further exacerbate the incidence of PPCs by increasing the permeability of the alveolo-capillary barrier and disrupting mucociliary functions, often culminating in pulmonary atelectasis. Protective ventilation strategies, inspired by acute respiratory distress syndrome (ARDS) management protocols, involve the utilization of low tidal volumes (6-8mL/kg predicted body weight). However, the uniform application of low tidal volumes, especially when combined with the multifactorial pulmonary insults inherent to cardiac surgery, can precipitate surfactant dysfunction and induce atelectasis. The role of pulmonary surfactant in maintaining alveolar stability is critical, necessitating continuous synthesis to sustain low surface tension and prevent alveolar collapse. The most potent stimulus for surfactant secretion is identified as the mechanical stretch of type II pneumocytes, typically induced by larger tidal volumes. This background sets the foundation for a research study aimed at assessing the safety and efficacy of incorporating sighs into perioperative protective ventilation. This approach is hypothesized to mitigate postoperative hypoxemia and reduce the incidence of PPCs in patients undergoing scheduled on-pump cardiac surgery.

NCT ID: NCT06203405 Recruiting - Critical Illness Clinical Trials

The Efficacy of P0.1-guided Sedation Protocol in Critically Ill Patients Receiving Invasive Mechanical Ventilation: A Randomized Controlled Trial

Start date: December 22, 2023
Phase: N/A
Study type: Interventional

This clinical trial aims to assess the efficacy of sedation protocol targeting optimal respiratory drive using P0.1 and arousal level compared with conventional sedation strategy (targeting arousal level alone) in patients requiring mechanical ventilation in the medical intensive care unit.

NCT ID: NCT06035146 Recruiting - ARDS Clinical Trials

Mechanical Ventilation in Patients With Lung Impairment Controlled by the Mechanical Energy of the Respiratory System

Start date: August 1, 2022
Phase: N/A
Study type: Interventional

A project aimed at expanding the monitoring of mechanical energy (ME) in patients on mechanical ventilation (MV), with the aim of contributing to reducing the influence of the device for mechanical ventilation of patients on the lung parenchyma by setting parameters that will lead to lower ventilation energy. According to the parameters set on the device for mechanical ventilation, the mechanical energy will be calculated, which the physician in the interventional arm of the study will be able to use to change the mechanical ventilation settings. The physician will follow the best clinical practice, and in the non-intervention group, the MV setting will be conventional.

NCT ID: NCT06021249 Recruiting - Atelectasis Clinical Trials

Comparing Innovative and Traditional Ventilation Strategies on Atelectasis and Prognosis in Elderly Patients

Start date: September 28, 2021
Phase: N/A
Study type: Interventional

This study was divided into two parts, taking elderly patients undergoing general anesthesia surgery as the research subjects, through factorial design: 1. It was verified that in elderly patients undergoing general anesthesia surgery, innovative lung-protective ventilation strategies can reduce the occurrence of atelectasis and reduce the incidence of ventilator-related lung injury and postoperative pulmonary complications more than traditional lung-protective ventilation strategies; 2. On the basis of part one study proving that innovative lung-protective ventilation strategies can reduce the incidence of postoperative atelectasis and other complications in elderly patients undergoing general anesthesia surgery compared with traditional lung-protective ventilation strategies, further comparisons were made between the two factors of "positive pressure extubation" and "improved early postoperative respiratory training" in the innovative lung protective ventilation strategy, and whether there was an interaction between the two.

NCT ID: NCT06021067 Recruiting - Clinical trials for Radiation Lung Injury

Dead Mesenchymal Stem Cells for Radiation Lung Injury

Start date: September 10, 2023
Phase: Phase 1/Phase 2
Study type: Interventional

The aim of this single center, single arm and prospective study is to explore the safety and efficacy of hDMSCs in the treatment of radiation pneumonitis.

NCT ID: NCT05991258 Recruiting - Clinical trials for Acute Respiratory Failure

Effect of End-inspiratory Airway Pressure Measurements on the Risk of VILI in Ventilated Patients

P1P2Decay
Start date: March 9, 2023
Phase:
Study type: Observational

Mechanical ventilation may be associated with ventilator-induced lung injury (VILI). Several respiratory variables have been employed to estimate the risk of VILI, such as tidal volumes, plateau pressure, driving pressure, and mechanical power. This dissipation of energy during ventilation can contribute to VILI through two mechanisms, stress relaxation and pendelluft, which can be estimated at the bedside by applying an end-inspiratory pause and evaluating the slow decrease in airway pressure going from the pressure corresponding to zero flow (called pressure P1) and the final pressure at the end of the pause (called plateau pressure P2). The choice of measuring the end-inspiratory airway pressure (PawEND-INSP) at a fixed, although relatively early, timepoint, i.e., after 0.5 second from the beginning of the pause, as prescribed by the indications of the Acute Respiratory Distress Syndrome (ARDS) Network, while assessing the risk of VILI associated with the elastic pressure of the respiratory system, may not reflect the harmful potential associated with the viscoelastic properties of the respiratory system. It is still unclear whether an PawEND-INSP measured at the exact moment of zero flow (P1) is more reliable in the calculation of those variables, such as ΔP and MP, associated with the outcomes of patients with and without ARDS, as compared to the pressure measured at the end of the end-inspiratory pause (plateau pressure P2). This multicenter prospective observational study aims to evaluate whether the use of P1, as compared to P2, affects the calculation of ΔP and MP. The secondary objectives are: 1) verify whether in patients with a lung parenchyma characterized by greater parenchymal heterogeneity, as assessed by EIT, P1-P2 decay is greater than in patients with greater parenchymal homogeneity; 2) evaluate whether patients with both ΔP values calculated using P1 and P2 <15 cmH2O (or both MP values calculated using P1 and P2 <17 J/min) develop shorter duration of invasive mechanical ventilation, shorter ICU and hospital length of stay and lower ICU and hospital mortality, as compared to patients with only ΔP calculated with P1 ≥ 15 cmH2O (or only MP calculated with P1 ≥ 17 J/min) and patients with both ΔP values calculated using P1 and P2 ≥ 15 cmH2O (or both MP values calculated using P1 and P2 ≥ 17 J/min).

NCT ID: NCT05977153 Recruiting - Clinical trials for Mechanical Ventilation Complication

CT for Personalized Mechanical Ventilation

Start date: May 10, 2023
Phase: N/A
Study type: Interventional

The goal of this study is to compare two different ways of helping patients with a condition called sepsis who need help breathing using a machine called a ventilator. The investigators want to study which way of setting the ventilator is better for the lungs. Here are the main questions the investigators want to answer: 1. How does the amount of air in the lungs and the way it moves differ between the two ways? 2. How does the way air spreads out in different parts of the lungs differ between the two ways? In this study, the investigators will take special pictures of the lungs using a machine called a CT scan. The pictures will show us how much the lungs stretch and how much air is in different parts of the lungs. The investigators will compare two different ways of using the ventilator: one personalized for each patient based on their breathing, and another way that is commonly used. By comparing these two ways, the investigators hope to learn which one is better for helping patients with sepsis who need the ventilator. This information can help doctors make better decisions about how to care for these patients and improve their breathing.