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Related Concept Videos

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-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,...
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...
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:
Respiratory Assessment: Purpose and Indications01:19

Respiratory Assessment: Purpose and Indications

Respiratory assessment is a cornerstone of nursing assessments, crucial for the early detection of patient deterioration. This evaluation transcends routine procedures, representing a critical skill nurses must master to ensure optimal patient care.
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...

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Rescue high frequency oscillation in neonates with acute respiratory failure.

Preetham Kumar Poddutoor1, Dinesh Kumar Chirla, Kapil Sachane

  • 1Rainbow Childrens Hospital and Perinatal Centre, Banjara Hills, Hyderabad, India. drpreethamp@gmail.com

Indian Pediatrics
|May 11, 2011
PubMed
Summary

Rescue High Frequency Oscillatory Ventilation (HFOV) significantly improved oxygenation and ventilation in neonates with acute respiratory failure. This method enhanced lung recruitment and survival rates in critically ill infants when conventional methods failed.

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Area of Science:

  • Neonatal critical care
  • Pediatric respiratory medicine
  • Mechanical ventilation strategies

Background:

  • Neonatal acute respiratory failure (ARF) poses significant challenges.
  • Conventional Mechanical Ventilation (CMV) may be insufficient for severe ARF.
  • High Frequency Oscillatory Ventilation (HFOV) is an alternative ventilation mode.

Purpose of the Study:

  • To evaluate the efficacy of rescue High Frequency Oscillatory Ventilation (HFOV).
  • To assess HFOV's impact on oxygenation and ventilation in neonates with ARF post-CMV failure.
  • To determine the effect on short-term outcomes and survival.

Main Methods:

  • Retrospective analysis of 675 ventilated neonates.
  • 97 neonates received rescue HFOV after conventional mechanical ventilation failure.
  • Evaluated oxygenation index, alveolar-arterial oxygen gradient, pH, PCO2, PO2, and lung recruitment.

Main Results:

  • HFOV significantly improved oxygenation index, alveolar-arterial oxygen gradient, pH, PCO2, and PO2 within 2 hours.
  • Enhanced lung recruitment was observed in neonates treated with HFOV.
  • Survival rate was 58.77% (57 out of 97), with higher mortality in preterm infants (<28 weeks), pulmonary hemorrhage, sepsis, and congenital diaphragmatic hernia (CDH).

Conclusions:

  • Rescue HFOV is an effective strategy for improving oxygenation and ventilation in neonates with ARF unresponsive to CMV.
  • HFOV facilitates lung recruitment, contributing to better physiological parameters.
  • While HFOV improves outcomes, survival remains challenging in specific high-risk neonatal populations.