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Related Concept Videos

Acute Respiratory Failure-III01:30

Acute Respiratory Failure-III

Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without causing...
Acute Respiratory Failure-I01:21

Acute Respiratory Failure-I

Acute respiratory failure is a condition characterized by the inability of the lungs to perform their primary function: gas exchange. This failure leads to insufficient oxygen levels (hypoxemia) in the blood, elevated carbon dioxide levels (hypercapnia), or both, causing critical impairment in organ function.
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
Intestinal Obstruction II: Pathophysiology01:07

Intestinal Obstruction II: Pathophysiology

Intestinal obstruction triggers a series of physiological responses, starting with gas and fluid accumulation in the bowel segment proximal to the obstruction, leading to distension. This distended intestine compresses the diaphragm, hindering lung expansion and potentially leading to reduced respiratory effort, atelectasis, and pneumonia.To overcome the blockage, the gut intensifies contractions, causing colicky abdominal pain, nausea, and vomiting, which reduces fluid and food intake and...
Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
Acute Respiratory Failure-V01:29

Acute Respiratory Failure-V

The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...
Acute Respiratory Failure-IV01:23

Acute Respiratory Failure-IV

Respiratory failure can manifest suddenly or gradually, characterized by a rapid decline in PaO2 and a rapid rise in PaCO2. This situation indicates a severe respiratory problem that may quickly become a life-threatening emergency. One of the early signs of hypoxemic Acute Respiratory Failure (ARF) is a change in mental status due to the brain's sensitivity to oxygen levels and changes in acid-base balance. Symptoms such as restlessness, confusion, and agitation suggest inadequate oxygen...

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Published on: January 16, 2019

Gut failure in the ICU.

Francesco Puleo1, Marianna Arvanitakis, André Van Gossum

  • 1Department of Gastroenterology, Erasme University Hospital, Université libre de Bruxelles, Brussels, Belgium.

Seminars in Respiratory and Critical Care Medicine
|October 13, 2011
PubMed
Summary
This summary is machine-generated.

Gastrointestinal dysfunction in critically ill patients can lead to gut failure, bacterial translocation, and multiple organ failure (MOF). This review explores the link, mechanisms, and prevention of gut failure in critical care.

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Area of Science:

  • Critical Care Medicine
  • Gastroenterology
  • Pathophysiology

Background:

  • Gastrointestinal tract dysfunction is a suspected contributor to multiple organ failure (MOF) in critically ill patients for decades.
  • Existing hypotheses linking gut dysfunction and MOF have been proposed and refuted.
  • The gastrointestinal tract performs vital roles beyond digestion, including hormone production, immune function, and barrier integrity.

Purpose of the Study:

  • To review current knowledge on gastrointestinal physiology.
  • To summarize evidence linking gastrointestinal dysfunction to MOF.
  • To define gut failure, explore its mechanisms and clinical implications, and suggest preventive measures.

Main Methods:

  • Literature review of gastrointestinal physiology.
  • Synthesis of existing evidence on gastrointestinal dysfunction and MOF.
  • Discussion of physiopathological mechanisms and clinical implications.

Main Results:

  • Gastrointestinal dysfunction (gut failure) is common in critical care.
  • Gut failure is associated with bacterial translocation.
  • Bacterial translocation can trigger sepsis, systemic inflammatory response syndrome (SIRS), and multiple organ dysfunction syndrome (MODS).

Conclusions:

  • Gut failure is a significant complication in critical care patients.
  • Understanding the mechanisms of gut failure is crucial for patient outcomes.
  • Preventive strategies for gut failure should be developed and implemented.