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Drug Accumulation During Multiple Dosing: Intermittent IV Infusions01:24

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Intermittent intravenous (IV) infusion is a method of drug administration where medications are delivered over short infusion periods followed by intervals of no drug delivery. This approach helps to prevent sustained high drug concentrations in the bloodstream, reducing the risk of adverse effects associated with prolonged exposure. Unlike continuous infusion, steady-state concentrations may not be achieved during a single dosing cycle but can be reached through repeated...
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Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
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Mechanical Ventilation III: Noninvasive Ventilation01:23

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Noninvasive positive-pressure ventilation (NIPPV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP) are essential methods in respiratory care. These ventilation techniques offer unique benefits for patients with various respiratory conditions, providing adequate support without requiring intubation. Let's explore how each method is crucial in improving patient outcomes and enhancing respiratory therapy.
Noninvasive Positive-Pressure Ventilation...
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Mechanical ventilation is a life-saving technique for managing acute respiratory failure and other respiratory complications. The process involves using a machine known as a ventilator to supply oxygen to the lungs and assist in removing carbon dioxide. It serves as a bridge to long-term mechanical ventilation or a temporary measure until ventilatory support is discontinued. The ventilator can maintain this function for a prolonged period, providing critical support for patients until they can...
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Ventilatory Modes01:14

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Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
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Enteral Nutrition II: Nasointestinal and Gastrostomy Feeding01:15

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Enteral nutrition encompasses various methods of delivering nutrition directly to the gastrointestinal (GI) tract, bypassing traditional oral intake. It is particularly beneficial for patients who cannot eat by mouth but have a functioning digestive system. Key methods include nasointestinal feeding, gastrostomy, and jejunostomy, each suited to different clinical scenarios based on the patient's needs and condition.
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  11. Standard Continuous Feeding Versus Intermittent Feeding Among Mechanically Ventilated Patients In Intensive Care: A Systematic Review And Meta-analysis Of Randomized Controlled Trials

Standard continuous feeding versus intermittent feeding among mechanically ventilated patients in intensive care: A systematic review and meta-analysis of randomized controlled trials

Rakshit Panwar1, Nikhil Kumar2, Harshel Parikh3

  • 1Intensive Care Unit, John Hunter Hospital, Newcastle, Australia; School of Medicine and Public Health, University of Newcastle, Australia.

Clinical Nutrition (Edinburgh, Scotland)
|June 14, 2025

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View abstract on PubMed

Summary
This summary is machine-generated.

Continuous enteral feeding is not superior to intermittent feeding in intensive care units. This meta-analysis found no significant differences in mortality or other key outcomes for mechanically ventilated patients.

Area of Science:

  • Critical Care Medicine
  • Nutritional Support
  • Clinical Research

Background:

  • Previous meta-analyses have not compared continuous vs. intermittent enteral feeding in mechanically ventilated ICU patients.
  • Intermittent feeding may be better tolerated with right lateral tilt positioning.
  • Circadian-aligned feeding may offer patient-centered benefits.

Purpose of the Study:

  • To systematically review and meta-analyze RCTs comparing continuous vs. intermittent gastric feeding in mechanically ventilated ICU adults.
  • To evaluate the impact on mortality, ICU stay, gut intolerance, and pneumonia.

Main Methods:

  • Systematic search of MEDLINE, EMBASE, and CENTRAL up to September 2024.
  • Included 8 RCTs with 993 patients comparing continuous and intermittent gastric feeding.
Keywords:
Continuous feedingCritical illnessEnteral nutritionIntensive care units

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  • Primary outcome: all-cause hospital mortality (Risk Ratio). Secondary outcomes: ICU length of stay, gut intolerance, pneumonia.

    • Main Results:

    • No significant difference in all-cause mortality between continuous and intermittent feeding (RR 0.97, 95% CI 0.72-1.32).
    • No significant differences observed for secondary outcomes like ICU length of stay, vomiting, diarrhea, or pneumonia.
    • One RCT showed a less favorable mortality estimate for continuous feeding against intermittent postural feeding (RR 1.55).

    Conclusions:

    • This meta-analysis found no clinically significant differences in major outcomes between continuous and intermittent enteral feeding.
    • Future research should focus on patient-centered outcomes like mortality and ventilator-free days.
    Intermittent feeding methods
    Mechanical ventilation