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Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
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The test of independence is a chi-square-based test used to determine whether two variables or factors are independent or dependent. This hypothesis test is used to examine the independence of the variables. One can construct two qualitative survey questions or experiments based on the variables in a contingency table. The goal is to see if the two variables are unrelated (independent) or related (dependent). The null and alternative hypotheses for this test are:
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Related Experiment Video

Updated: Jul 17, 2025

Assessment of Glutamine as a Fuel Source for Alveolar Macrophages Exposed to Chronic Ethanol Using an Extracellular Flux Bioanalyzer
08:37

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Published on: November 15, 2024

364

Alcohol Dependence and Rib Fracture Outcomes: A Systematic Review and Meta-Analysis.

Fiona Field1, Jenny Olsson2, Anna Hurley3

  • 1Trauma Sciences, Queen Mary University of London, London, GBR.

Cureus
|August 30, 2023
PubMed
Summary
This summary is machine-generated.

Chronic alcohol use worsens outcomes for patients with rib fractures, increasing mortality, pneumonia, and ARDS risk. Early intensive care is recommended, but more research is needed.

Keywords:
alcohol dependencealcohol disorderblunt thoracic traumarib fracturestrauma outcomes

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Area of Science:

  • Trauma Surgery
  • Pulmonology
  • Addiction Medicine

Background:

  • Chronic alcohol use is linked to poor pulmonary function and increased trauma complications.
  • Alcohol dependence may negatively impact recovery from thoracic injuries, particularly rib fractures.

Purpose of the Study:

  • To systematically review and meta-analyze the effect of alcohol dependence on outcomes for adult patients with rib fractures.

Main Methods:

  • Searched Embase, PubMed, and Web of Science for observational studies on adult rib fracture patients with and without alcohol dependence.
  • Analyzed outcomes including mortality, pulmonary complications (pneumonia, ARDS), ICU length of stay, ventilator days, and hospital length of stay.

Main Results:

  • Alcohol dependence was associated with significantly increased mortality (OR 1.44), pneumonia (OR 2.14), and ARDS (OR 1.71).
  • Patients with alcohol dependence experienced longer hospital and intensive care unit stays.
  • No significant difference in ventilator days was observed between groups.

Conclusions:

  • Alcohol dependence is linked to worse outcomes in rib fracture patients, including higher mortality and pulmonary complication rates.
  • Early intensive care review and prompt management of withdrawal symptoms are suggested.
  • Limited high-quality evidence necessitates further primary research to confirm these findings.