Ards Mortality
Ards Mortality - Related Videos
07:20
Lavage-induced Surfactant Depletion in Pigs As a Model of the Acute Respiratory Distress Syndrome (ARDS)
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Cited by 21 •
2016
Repeated pulmonary lavages in anesthetized pigs induce lung injury resembling major aspects of human acute respiratory distress syndrome (ARDS). For this purpose the lungs are repeatedly lavaged with 0.9% saline at 37 °C. The goal of the protocol is a reproducible mitigation of gas exchange and hemodynamics for research in ARDS.
08:22
The Application of Point-of-Care Ultrasonography (POCUS) in the Management of Acute Respiratory Distress Syndrome (ARDS) in the Intensive Care Unit
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2025
Here, we present a protocol for bedside POCUS application in ARDS management within the ICU. It details standardized techniques for lung, cardiac, diaphragm, venous, and gastric assessments to guide ventilation, predict weaning, and prevent complications.
03:57
Assessing Pathogenic Bacteria–Induced Mortality in C. elegans Larvae
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2025
Source: Anderson, Q. L., et al. A High-throughput, High-content, Liquid-based C. elegans Pathosystem. J. Vis. Exp. (2018)The video demonstrates a liquid-based assay where genetically modified C. elegans larvae are exposed to pathogenic bacteria in a microplate. Bacterial toxins secreted into the medium induce host stress and death. A fluorescent dye stains dead worms, allowing imaging-based quantification of mortality to assess genetic susceptibility or resistance.
07:03
Reliable Method for Assessing Seed Germination, Dormancy, and Mortality under Field Conditions
0 Views •
Cited by 5 •
2016
Here we present a protocol for assessing seed survivorship, germination and dormancy under field conditions using buried, labeled seed strips and tetrazolium chloride (TZ) viability testing.
03:56
Mosquito Feeding Assay: A Method to Evaluate Test Compound Effects on Mortality and Fecundity of Adult Female Mosquitoes
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2025
This video demonstrates a blood-feeding assay to evaluate the mortality and fecundity of test compounds with novel modes of action on female mosquitoes. This technique helps in screening new classes of insecticides to kill the resistant population of mosquitoes and control disease spread.
FAQs
Excessive immune activation can weaken the alveolar-capillary barrier, allowing fluid and inflammatory cells to accumulate in lung tissue. This damage interferes with gas exchange and contributes to severe hypoxemia. When oxygen impairment becomes substantial, the resulting physiological stress can increase disease severity and help explain differences in mortality among patients with ARDS.
Organ failure signals that the illness extends beyond isolated lung injury and may reflect a broader systemic response to infection, sepsis, or another insult. Its presence helps distinguish patients with differing levels of disease severity. For researchers and clinicians, incorporating organ failure into assessment supports more meaningful interpretation of mortality outcomes and critical-care decisions.
Severe hypoxemia indicates that lung injury has substantially impaired gas exchange. Because it reflects the functional consequences of alveolar damage and barrier disruption, its severity can help characterize how critically ill a patient is. Mortality analyses use this clinical context to relate oxygenation failure to outcomes rather than treating death as an isolated event.
Comparing mortality outcomes can help researchers evaluate supportive approaches such as lung-protective ventilation and prone positioning. These comparisons place survival within the context of how critically ill patients were managed. Mortality does not explain every biological mechanism by itself, but it provides an important outcome for assessing whether a strategy may improve results in severe acute lung injury.
Mortality functions as a clinically important outcome for examining the seriousness of ARDS across patient groups. Researchers can interpret death rates alongside factors such as severe hypoxemia, diffuse alveolar damage, immune activation, and organ failure. This combined assessment helps identify prognostic patterns and supports comparisons between different disease contexts, including infection- or sepsis-associated illness.
Infection and sepsis can trigger immune responses that damage the alveolar-capillary barrier, linking host defense mechanisms to respiratory failure and survival outcomes. Studying mortality in this setting helps investigators connect inflammatory lung injury with clinically meaningful consequences. It also supports research into how immune activation and systemic illness influence prognosis and critical-care decision-making.