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Related Concept Videos

General Anesthesia: Overview01:24

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...
Stages of General Anesthesia01:22

Stages of General Anesthesia

Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
Parenteral Anesthetics: Overview01:24

Parenteral Anesthetics: Overview

Intravenous anesthetics are drugs administered parenterally to induce anesthesia or sedation. Propofol is a widely used agent formulated as a 1% emulsion in soybean oil, glycerol, and egg phosphatide. It induces rapid anesthesia primarily due to its rapid distribution from the bloodstream to target tissues and is metabolized in the liver. However, it can cause significant pain on injection and hypertriglyceridemia. Fospropofol, a water-based prodrug of propofol, lacks these adverse effects.
Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia01:16

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

Intravenous regional anesthesia or the Bier block technique is used to anesthetize a specific limb or extremity. It uses exsanguinated or blood-drained vessels to transport local anesthetics or LAs to the peripheral nerve trunks. Lidocaine without vasoconstrictors like epinephrine is most commonly used for this technique. Other drugs used are prilocaine, ropivacaine, and chloroprocaine. Bupivacaine is not recommended for this technique due to its high cardiac toxicity.
One of the advantages of...
Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

Spinal anesthetics are given during lower abdomen and limb surgeries to block sensory and motor neurons. They are administered in the mid to low lumbar regions, primarily acting on the cauda equina's nerve roots. The blockade level depends on the local anesthetic (LA) concentration. Usually, low LA concentrations are sufficient to block sensory fibers, while only high LA concentrations block motor fibers. Other factors like injection volume and speed, the patient's posture, and the drug...
Inhalational Anesthetics: Overview01:20

Inhalational Anesthetics: Overview

Inhalation anesthetics are drugs that induce general anesthesia upon inhalation. They work by increasing the sensitivity of GABAA receptors or inhibiting NMDA receptors, leading to a decrease in central nervous system activity. The depth of anesthesia can be rapidly adjusted by changing the concentration of the inhaled gas. Some common examples of inhalational anesthetics include volatile liquids like isoflurane, desflurane, sevoflurane and gases like xenon and nitrous oxide. Isoflurane, a...

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Related Experiment Video

Updated: Jun 19, 2026

Laminectomy and Spinal Cord Window Implantation in the Mouse
06:59

Laminectomy and Spinal Cord Window Implantation in the Mouse

Published on: October 23, 2019

Automated anesthesia.

Thomas M Hemmerling1

  • 1Department of Anesthesiology, McGill University, Canada. thomas.hemmerling@mcgill.ca

Current Opinion in Anaesthesiology
|October 9, 2009
PubMed
Summary
This summary is machine-generated.

This review explores how new technologies, such as automated drug delivery and remote monitoring, can assist anesthesiologists in managing complex patient care environments. By integrating decision support and closed-loop systems, these tools aim to improve clinical precision and reduce provider workload.

Keywords:
clinical decision supporthemodynamic stabilityperioperative careclosed-loop delivery

Frequently Asked Questions

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Area of Science:

  • Clinical informatics within automated anesthesia systems research
  • Perioperative medicine and patient safety standards

Background:

Clinicians often face significant cognitive strain due to the high volume of data and simultaneous tasks required during surgical procedures. This complexity creates a substantial gap in maintaining consistent patient monitoring throughout operations. Prior research has shown that human error remains a concern in high-stakes medical settings. That uncertainty drove interest in developing digital tools to support provider decision-making. No prior work had resolved how to balance machine precision with human oversight in these environments. This gap motivated the exploration of integrated algorithmic solutions for clinical settings. Existing literature highlights the need for standardized protocols to manage patient stability. These challenges underscore the necessity of examining technological advancements in the field.

Purpose Of The Study:

The aim of this review is to present recent developments toward automated anesthesia and outline future technologies for everyday clinical practice. The authors address the challenges faced by clinicians who are overloaded with information. They examine the necessity of managing multitasking requirements in complex work environments. This study explores how digital integration can alleviate the cognitive burden on medical staff. The researchers investigate the potential for algorithms to assist in diagnostic and treatment decisions. They seek to clarify the role of remote technology in patient assessment and care delivery. The motivation is to improve the reliability of decisions made during surgical procedures. This work provides a framework for understanding the transition toward more automated clinical workflows.

Main Methods:

Review Approach involved a comprehensive synthesis of recent technological developments in the field. The authors evaluated current decision support algorithms designed for complex clinical environments. They examined the efficacy of target-controlled infusion and analgesia systems. The study analyzed the feasibility of closed-loop delivery mechanisms versus traditional human-led administration. The authors investigated the potential for remote preoperative patient assessments. They synthesized findings regarding the standardization of clinical decision-making processes. The review focused on identifying tools that reduce provider cognitive load. This approach prioritized evidence regarding the safety and reliability of emerging digital technologies.

Main Results:

Key Findings From the Literature indicate that closed-loop delivery is feasible and provides control as good as or better than human delivery. Decision support systems assist in making reliable and standardized choices in complex environments. Target-controlled infusion systems successfully reduce the anesthetic workload for practitioners. Target-controlled analgesia systems demonstrate the potential to provide more stable hemodynamic control. Teleanesthesia offers the opportunity to provide safe care when trained personnel are unavailable. These systems integrate various parameters and assessments to generate diagnostic suggestions. The literature confirms that automated care will likely become more prevalent in the near future. These findings highlight the potential for technology to mitigate the challenges of multitasking in clinical settings.

Conclusions:

Synthesis and Implications suggest that decision support platforms facilitate reliable and uniform choices within intricate medical scenarios. The authors propose that target-controlled infusion devices effectively decrease the labor burden placed on practitioners. Evidence indicates that closed-loop architectures will likely automate patient care in the coming years. Teleanesthesia provides a viable pathway for delivering secure support when local expertise is absent. These systems offer potential improvements in hemodynamic stability compared to manual administration. The review indicates that automated delivery is feasible and performs at least as well as human-led methods. Practitioners may utilize these technologies to enhance safety in diverse clinical settings. Future implementation hinges on the successful integration of these tools into standard workflows.

The researchers propose that automated systems utilize algorithms to integrate patient parameters and clinical scenarios. These tools generate diagnostic suggestions, triage evaluations, or treatment options, which assist practitioners in making standardized decisions within complex, high-information environments.

Closed-loop delivery provides anesthetic control that is either equivalent to or superior to manual administration by human providers. This technology enables continuous, automated adjustment of drug delivery based on real-time patient feedback.

Teleanesthesia is necessary when trained personnel are unavailable or require remote support. This approach allows for distant preoperative fitness assessments and the management of anesthetic tasks from a separate location.

Target-controlled infusion systems serve to reduce the workload of the anesthesiologist. In contrast, target-controlled analgesia systems are specifically designed to provide more stable hemodynamic control for the patient.

The authors note that these technologies facilitate preoperative assessment of patient fitness. This measurement allows for standardized evaluation even when the patient and the specialist are physically separated.

The authors propose that these systems will automate care in the near future. They suggest that integrating these tools will lead to safer, more reliable outcomes in diverse medical environments.