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General Anesthesia: Overview

General Anesthesia: Overview

Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...

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Related Experiment Video

Updated: Aug 29, 2025

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation

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Aveir Leadless Pacemaker: Novel Technology With New Anesthetic Implications.

Jonathan E Tang¹, Salvatore J Savona², Michael K Essandoh¹

¹Department of Anesthesiology, Ohio State University Wexner Medical Center, Columbus, OH.

Journal of Cardiothoracic and Vascular Anesthesia

|September 5, 2022

Summary

The Aveir VR leadless pacemaker, a new nontransvenous device, requires specific anesthesiology considerations due to its unique design compared to other leadless systems. Understanding its distinct features is crucial for safe perioperative management.

Keywords:

Aveir VR Aveir leadless pacemaker LEADLESS II i2i leadless pacemaker nanostim

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Area of Science:

Cardiovascular medicine
Medical device technology
Anesthesiology

Background:

The US FDA approved the Aveir VR Leadless Pacemaker, a novel nontransvenous cardiac pacing system.
This device joins the Micra transcatheter pacing system, expanding options for leadless cardiac pacing.
The Aveir VR features design enhancements over its predecessor, the Nanostim.

Purpose of the Study:

To highlight the unique characteristics of the Aveir VR Leadless Pacemaker.
To inform anesthesiologists about considerations for managing patients with the Aveir VR.
To differentiate the Aveir VR from other leadless pacing systems like the Micra.

Main Methods:

Review of the Aveir VR Leadless Pacemaker's design and features.
Comparison with existing leadless pacing technologies (Micra, Nanostim).
Analysis of potential perioperative implications for anesthesiology.

Main Results:

The Aveir VR possesses distinct design elements compared to the Micra.
These differences necessitate specific preoperative and perioperative management strategies.
Existing guidelines for transvenous pacemakers may not fully apply.

Conclusions:

Anesthesiologists must be aware of the Aveir VR's unique features for safe patient care.
Understanding the differences between leadless pacemakers is essential for perioperative planning.
Further research may be needed to establish specific anesthetic protocols for the Aveir VR.