Isoflurane anesthesia
Isoflurane anesthesia is a volatile, inhalational anesthetic agent widely used in medicine for inducing and maintaining general anesthesia. It is valued for its rapid onset and recovery, cardiovascular stability, and minimal metabolism, making it a safe and effective option for a variety of species including horses, dogs, cats, and small mammals. Isoflurane inhalant, Isoflurane veterinary, Isoflurane liquid, Isoflurane for sale
Chemical Information
Chemical Name: 1-Chloro-2,2,2-trifluoroethyl difluoromethyl ether
Formula: C₃H₂ClF₅O
Molecular Weight: 184.5 g/mol
Appearance: Clear, colorless liquid with a pungent, ethereal odor
Boiling Point: ~48.5°C (119.3°F)
Mechanism of Action
Isoflurane inhalant
Isoflurane induces general anesthesia by depressing the central nervous system (CNS). It enhances the activity of GABA (gamma-aminobutyric acid) receptors, leading to sedation, muscle relaxation, unconsciousness, and analgesia. It also affects other ion channels including potassium and glutamate channels. Isoflurane for sale
Key Properties
Property | Isoflurane |
---|---|
MAC (Minimum Alveolar Conc.) | 1.3% in dogs, 1.31% in cats, 1.31% in horses |
Blood/Gas Solubility | 1.4 (moderate solubility – rapid onset/offset) |
Metabolism | <0.2% metabolized; primarily exhaled |
Onset & Recovery | Fast induction and recovery |
Odor | Pungent (can cause breath-holding in animals) |
Uses in Veterinary Medicine
Induction and maintenance of anesthesia in:
Small animals (dogs, cats, rabbits, rodents)
Large animals (horses, cattle, pigs) Isoflurane anesthesia
Exotic species (birds, reptiles)
Often used with pre-anesthetic agents (e.g., xylazine, acepromazine, ketamine) to improve induction and reduce the required concentration.
Common in surgical procedures, diagnostics, and intensive care anesthesia.
Dosage and Administration
Induction: Often preceded by injectable sedatives; isoflurane used with oxygen via mask or induction chamber.
Maintenance:
Dogs/Cats: 1.5%–2.5% in oxygen.
Horses: 1.3%–2.0% (monitor closely due to cardiovascular sensitivity).
Small mammals: 1.5%–3.0% depending on species.
Isoflurane veterinary
Always adjust dosage based on patient response and monitor depth of anesthesia using respiratory rate, heart rate, and reflexes.
Advantages of Isoflurane
Rapid induction and recovery. Isoflurane anesthesia
Low metabolism reduces strain on liver/kidneys.
Stable cardiovascular profile compared to older agents (e.g., halothane).
Suitable for prolonged anesthesia.
Safe for use in pregnant animals (with caution). Isoflurane inhalant
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Potential Side Effects
Respiratory depression – monitor ventilation.
Hypotension – due to vasodilation.
Pungent odor – may cause coughing or breath-holding during induction.
Malignant hyperthermia – rare genetic reaction, especially in pigs.
Contraindications and Precautions
Use with caution in hypovolemic, anemic, or cardiac-compromised animals.
Ensure proper scavenging systems to reduce occupational exposure.
Store in a cool, well-ventilated area, away from heat sources. Isoflurane anesthesia
Equipment Required
Precision vaporizer calibrated for isoflurane. Isoflurane liquid
Anesthesia machine with oxygen source and scavenging system.
Monitoring equipment: ECG, blood pressure, pulse oximetry, capnography.
Comparison to Other Inhalants
Anesthetic | MAC (Dog) | Blood/Gas Solubility | Recovery Time | Notes |
---|---|---|---|---|
Isoflurane | 1.3% | 1.4 | Fast | Widely used, stable CV |
Sevoflurane | 2.3% | 0.68 | Very Fast | More expensive, smoother |
Halothane | 0.9% | 2.4 | Slow | Rarely used, cardiac effects |
Regulatory Status
Approved by FDA and EMA for veterinary use.
Common commercial brands: IsoFlo, Forane, IsoVet, IsoThesia.
Isoflurane liquid
Isoflurane anesthesia is a trusted, effective anesthetic agent offering safe anesthesia with minimal metabolic load, making it ideal for routine and complex veterinary procedures. Its broad-spectrum use across species and reliable safety profile have made it a cornerstone of modern veterinary anesthesia.
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