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Related Concept Videos

Mechanical Ventilation III: Noninvasive Ventilation01:23

Mechanical Ventilation III: Noninvasive Ventilation

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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 II: Invasive Ventilation01:23

Mechanical Ventilation II: Invasive Ventilation

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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.
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
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Mechanical Ventilation I: Indication and Settings01:29

Mechanical Ventilation I: Indication and Settings

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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

Ventilatory Modes

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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.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
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Tracheostomy Care I: Pre-procedural Steps01:16

Tracheostomy Care I: Pre-procedural Steps

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A tracheostomy is a surgical technique that involves making an incision in the neck to provide access to the trachea. It is frequently used in medical conditions such as airway obstruction and prolonged mechanical ventilation. Effective nursing management is crucial for the long-term success of a tracheostomy.
Required Equipment
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Endotracheal Intubation I: Procedure01:15

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Endotracheal or ET intubation is a critical medical procedure used to secure a patient's airway, often in acute respiratory distress, apnea, upper airway obstruction, ineffective clearance of secretions, high risk for aspiration, or during general anesthesia.
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Related Experiment Video

Updated: Aug 10, 2025

Point-of-Care Ultrasound for Peripheral Veno-Arterial Extracorporeal Membrane Oxygenation Without Left Ventricular Venting
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Prophylactic Awake Peripheral V-A ECMO during TAVR.

Timur Lesbekov1, Abdurashid Mussayev2, Serik Alimbayev2

  • 1Department of Adult Cardiac Surgery, National Research Cardiac Surgery Center, Astana 020000, Kazakhstan.

Journal of Clinical Medicine
|February 11, 2023
PubMed
Summary

Prophylactic peripheral venoarterial extracorporeal membrane oxygenation (V-A ECMO) safely supports high-risk transcatheter aortic valve replacement (TAVR) patients. This approach prevented complications during TAVR, demonstrating its effectiveness in managing complex cases.

Keywords:
extracorporeal membrane oxygenationhigh-risk patientmechanical circulatory supporttranscatheter aortic valve replacement

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Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Extracorporeal Life Support

Background:

  • Transcatheter aortic valve replacement (TAVR) is a complex procedure associated with potential intraprocedural complications.
  • Venoarterial extracorporeal membrane oxygenation (V-A ECMO) is utilized to manage complications, provide hemodynamic support, and bridge patients to emergency open-heart surgery.
  • Prophylactic implantation of peripheral V-A ECMO (pV-A ECMO) is explored for high-risk TAVR cases.

Purpose of the Study:

  • To describe the clinical outcomes of patients undergoing prophylactic pV-A ECMO during high-risk TAVR.
  • To evaluate the safety and efficacy of pV-A ECMO as a preemptive measure in TAVR.

Main Methods:

  • A retrospective review of 27 patients who underwent TAVR with prophylactic pV-A ECMO between June 2012 and October 2022.
  • These patients were selected due to being at very high risk for periprocedural complications.
  • Data collected included procedural details, ECMO support duration, and complication rates.

Main Results:

  • No complications related to pV-A ECMO, hemodynamics, or TAVR implantation were observed.
  • 92.6% of patients were successfully decannulated from the ECMO system post-procedure in the hybrid operating theatre.
  • The average duration of pV-A ECMO support was 51.4 ± 10.3 minutes, with no ECMO-related vascular or bleeding complications.

Conclusions:

  • Prophylactic placement of awake peripheral V-A ECMO is a safe and effective strategy.
  • It provides excellent temporary cardio-circulatory and pulmonary support during very high-risk TAVR procedures.
  • This approach enhances patient safety in complex TAVR cases.