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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...
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 Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

Epidural anesthetics are administered in the fat-filled epidural space, the outermost part of the spinal canal. This technique is commonly employed for pain management and anesthesia during lower abdomen and pelvis surgeries or labor and delivery.
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...
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...
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...
Analgesia and Pain Management01:25

Analgesia and Pain Management

Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...

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Related Experiment Video

Updated: Jun 16, 2026

Non-Intubated Video-Assisted Thoracoscopic Surgery
05:39

Non-Intubated Video-Assisted Thoracoscopic Surgery

Published on: May 26, 2023

Operative anesthesia and pain control.

Jeffrey N Winacoo1, Justin A Maykel

  • 1Department of Anesthesiology, University of Massachusetts Memorial Medical Center, Worcester, MA 01605, USA.

Clinics in Colon and Rectal Surgery
|February 2, 2010
PubMed
Summary
This summary is machine-generated.

Effective operative anesthesia and postoperative pain management are crucial for colon and rectal surgery patients. Individualized approaches improve patient experience and recovery after procedures, especially those involving the perineum.

Keywords:
Patient controlled analgesia (PCA)epiduralopioids

Related Experiment Videos

Last Updated: Jun 16, 2026

Non-Intubated Video-Assisted Thoracoscopic Surgery
05:39

Non-Intubated Video-Assisted Thoracoscopic Surgery

Published on: May 26, 2023

Area of Science:

  • Colorectal Surgery
  • Anesthesiology
  • Pain Management

Background:

  • Colon and rectal surgery often involves significant patient discomfort and prolonged recovery.
  • Factors like patient positioning and expectations influence anesthesia choices.
  • Postoperative pain control presents numerous available modalities and agents.

Purpose of the Study:

  • To emphasize the importance of understanding operative anesthesia and postoperative pain control for colon and rectal surgeons.
  • To highlight the need for individualized pain management strategies.
  • To underscore the goal of enhancing patient experience and facilitating recovery.

Main Methods:

  • Review of current practices in operative anesthesia for colorectal procedures.
  • Analysis of various postoperative pain control modalities and agents.
  • Discussion of factors influencing anesthetic and analgesic decisions.

Main Results:

  • Anesthesia choice is influenced by patient positioning and expectations.
  • A wide array of postoperative pain management options are available.
  • Individualized decision-making is key to optimizing outcomes.

Conclusions:

  • Comprehensive knowledge of anesthesia and pain control is essential for surgeons.
  • Tailored anesthetic and analgesic plans improve patient outcomes.
  • Focusing on patient experience and recovery is paramount in colorectal surgery.