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The use of TIVA is advantageous in cases where volatile anesthesia is of high risk or is impossible, such as cases involving morbidly obese patients. [11] [12] TIVA has also been used for anesthetic delivery at sites of trauma such as serious accidents, disasters and wars. [1] The overall goals of TIVA include: [13] Smooth induction of anesthesia
The transaortic approach sees the catheter and valve inserted through the top of the right chest. Under general anesthesia, a small surgical incision is made alongside the right upper breastbone, followed by a small puncture of the aorta. The delivery system is then fed slowly to the correct position at the aortic valve.
Anesthetic risk factors include the use of volatile anesthetics, nitrous oxide (N 2 O), opioids, and longer duration of anesthesia. Patient factors that confer increased risk for PONV include female gender, obesity , age less than 16 years, past history of motion sickness or chemotherapy-induced nausea, high levels of preoperative anxiety , and ...
To induce general anesthesia, propofol is the drug used almost exclusively, having largely replaced sodium thiopental. [13]It is often administered as part of an anesthesia maintenance technique called total intravenous anesthesia, using either manually programmed infusion pumps or computer-controlled infusion pumps in a process called target controlled infusion (TCI).
Remifentanil can be administered as part of an anesthesia technique called TIVA (total intravenous anesthesia) using computer controlled infusion pumps in a process called TCI (target controlled infusion). A target plasma concentration is entered as ng/mL into the pump, which calculates its infusion rate according to patient factors like age ...
General anaesthesia (UK) or general anesthesia (US) is medically induced loss of consciousness that renders a patient unarousable even by painful stimuli. [5] It is achieved through medications, which can be injected or inhaled, often with an analgesic and neuromuscular blocking agent .
However, compare to the doses used for TIVA (total intravenous anesthesia), which is always lower than using the single anesthetics. [9] The doses of anesthetics required differ, and depend on the required duration of anesthesia, the requirements for anesthesia to volatile, expected pain of injection of anesthesia, the experience the ...
Modern anesthetic machines have more rubber and plastic components which provide a reservoir for volatile anesthetics, and should be flushed for 60 minutes. [ 32 ] Charcoal filters can be used to prepare an anesthesia machine in less than 60 seconds for people at risk of malignant hyperthermia.
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