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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.
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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.
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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...
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Ophthalmic drug delivery faces major limitations due to poor absorption across the corneal membrane. This process is primarily driven by diffusion and is influenced by two main factors: the physicochemical properties of the drug and tear drainage. Most ophthalmic drugs, such as pilocarpine, epinephrine, atropine, and local anesthetics, are weak bases. They are typically formulated at an acidic pH to enhance chemical stability. However, this leads to high ionization, reducing their ability to...
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[Anesthesia for ophthalmic surgery].

Jens Moll1, Mark Kaufmann2

  • 11 Department Anästhesie, Universitäts-Kinderspital beider Basel (UKBB), Basel.

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|March 17, 2016
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Summary
This summary is machine-generated.

Most eye surgeries use monitored anesthesia care (MAC), reserving general anesthesia for specific cases. Optimized processes and tailored premedication, including online options, improve patient compliance and outcomes for high-volume procedures like cataract surgery.

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Area of Science:

  • Ophthalmology
  • Anesthesiology

Context:

  • Ophthalmic surgeries are increasingly performed under monitored anesthesia care (MAC).
  • General anesthesia is reserved for pediatric patients, those with comorbidities, or lengthy procedures.
  • Cataract surgery, a high-volume procedure, predominantly involves geriatric patients with low perioperative risk.

Purpose:

  • To outline optimized anesthetic processes for high-volume ophthalmic surgeries.
  • To discuss the role of locoregional anesthesia and monitored anesthesia care (MAC).
  • To explore updated approaches to premedication and preoperative testing in geriatric surgical patients.

Summary:

  • Locoregional anesthesia with MAC is suitable for most ophthalmic procedures.
  • Preoperative assessments should be tailored to individual comorbidities.
  • Internet-based premedication offers a novel, efficient option for healthy patients.
  • Anesthesia selection depends on surgeon needs and patient cooperation.

Impact:

  • Streamlined anesthetic protocols can enhance efficiency in high-volume ophthalmic surgery.
  • Patient-centered approaches to premedication improve compliance and perioperative experience.
  • Optimized anesthesia management contributes to the safety and success of ophthalmic interventions, particularly in the elderly.