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Related Concept Videos

Pulmonary Function Tests01:25

Pulmonary Function Tests

531
Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
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Oxygen Delivering System III: Tracheostomy and T-piece01:23

Oxygen Delivering System III: Tracheostomy and T-piece

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Oxygen delivery is critical in clinical care, especially for patients with respiratory disorders or those undergoing surgical procedures. Various systems, such as tracheostomy and the T-piece, deliver oxygen to the lungs, ensuring adequate arterial oxygenation.
Tracheostomy
A tracheostomy is a surgically created opening (stoma) in the anterior part of the trachea. It is used to establish a patient airway, bypass an upper airway obstruction, simplify the removal of secretions, permit long-term...
3.4K
Tracheostomy: Procedure and Tubes01:28

Tracheostomy: Procedure and Tubes

1.8K
A tracheostomy is a surgical procedure that creates an artificial opening into the trachea, typically at the second or third cartilaginous ring level. This opening allows the insertion of a tracheostomy tube, which can replace an endotracheal tube, provide mechanical ventilation, bypass an upper airway obstruction, or remove accumulated tracheobronchial secretions.
Tracheostomy tubes can be made of semiflexible plastic (polyurethane or silicone), rigid plastic, or metal, and they come in...
1.8K
Tracheostomy Suctioning II: Procedure01:23

Tracheostomy Suctioning II: Procedure

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Tracheostomy suctioning is a vital nursing procedure that involves removing secretions from the tracheostomy tube to maintain airway patency and prevent respiratory complications. Nurses need to understand the proper technique for tracheostomy suctioning to ensure patient safety and comfort. In this guide, we will outline the step-by-step process for performing tracheostomy suctioning, including preparing the sterile field, donning personal protective equipment (PPE), lubricating and connecting...
902
Tracheostomy Decannulation01:21

Tracheostomy Decannulation

563
Tracheostomy decannulation is a significant milestone in the liberation of mechanically ventilated patients. Despite its importance, there is no universally accepted protocol for this procedure. This demands an evidence-based, individualized approach.
Description of the Procedure
Decannulation refers to the permanent removal of the tracheostomy tube, signaling the resolution of the condition that initially necessitated the tracheostomy. The process requires a well-coordinated interplay between...
563
Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

1.2K
Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
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Pulmonary Function Testing in Patients with Tracheostomies: Feasibility and Technical Considerations.

Ajay Sheshadri1, Leendert Keus2, David Blanco2

  • 1Department of Pulmonary Medicine, Unit 1462, The University of Texas MD Anderson Cancer Center, P.O. Box 301402, Houston, TX, 77030-1402, USA.

Lung
|March 29, 2021
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Pulmonary function testing (PFT) is feasible and reliable in patients with tracheostomies. These tests effectively detect and classify lung dysfunction, challenging previous perceptions of difficulty.

Keywords:
CancerPulmonary function testingSpirometryTracheostomy

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Area of Science:

  • Pulmonology
  • Respiratory Medicine
  • Clinical Diagnostics

Background:

  • Pulmonary function testing (PFT) in tracheostomized patients is often considered difficult and unreliable.
  • Previous perceptions have limited the clinical application of PFT in this population.

Purpose of the Study:

  • To evaluate the feasibility, quality, repeatability, and clinical significance of PFT in patients with tracheostomies.
  • To determine if PFT can be reliably performed and interpreted in this patient group.

Main Methods:

  • Retrospective review of clinical history and PFT data for patients with tracheostomies undergoing PFT.
  • Analysis of patient ability to perform tests, data repeatability, adherence to end-of-test criteria, and observed lung function patterns.

Main Results:

  • 94% of patients with tracheostomies were able to perform PFT, with acceptable repeatability for FVC (83%) and FEV1 (87%).
  • Obstructive (64%) and restrictive (19%) patterns were identified, and DLCO was satisfactorily obtained in 79% of attempts.
  • Patients experienced challenges meeting ATS end-of-test criteria, with only 19% meeting plateau criteria.

Conclusions:

  • PFT is a feasible and reliable diagnostic tool for patients with tracheostomies.
  • PFT is clinically significant for detecting and classifying lung dysfunction in this population.
  • The study challenges prior assumptions about the limitations of PFT in tracheostomized individuals.