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also an·aes·the·sia  (ăn′ĭs-thē′zhə)
1. Total or partial loss of sensation, especially tactile sensibility, induced by disease, injury, acupuncture, or an anesthetic, such as chloroform or nitrous oxide.
2. Local or general insensibility to pain with or without the loss of consciousness, induced by an anesthetic.
3. Medication that induces partial or total loss of sensation and may be topical, local, regional, or general, depending on the method of administration and area of the body affected.

[New Latin anaesthēsia, from Greek anaisthēsiā, insensibility : an-, without; see a-1 + aisthēsis, feeling (from aisthanesthai, aisthē-, to feel; see au- in Indo-European roots).]


(Medicine) the usual US spelling of anaesthesia


or an•aes•the•sia

(ˌæn əsˈθi ʒə)

1. general or localized insensibility, induced by drugs or other intervention and used in surgery or other painful procedures.
2. general loss of the senses of feeling, as pain, temperature, and touch.
[1715–25; < New Latin < Greek anaisthēsía want of feeling. See an-1, esthesia]


Loss of sensation to touch or pain, usually produced by nerve injury or by the administration of drugs, especially before surgery.

anesthesia, anaesthesia, anesthesis, anaesthesis

the absence of physical sensation. — anesthesiologist, anaesthesiologist, anaesthetist, n.anesthetic, anaesthetic, n., adj.
See also: Health


Loss of sensation, including to pain, often induced before surgery. Includes general, local, spinal and epidural anesthaesia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.anesthesia - loss of bodily sensation with or without loss of consciousnessanesthesia - loss of bodily sensation with or without loss of consciousness
cryoanaesthesia, cryoanesthesia - insensibility resulting from cold
general anaesthesia, general anesthesia - a state of total unconsciousness resulting from anesthetic drugs (as for a major surgical operation)
local anaesthesia, local anesthesia - loss of sensation in a small area of the body (as when a local anesthetic is injected for a tooth extraction)
block anaesthesia, block anesthesia, conduction anaesthesia, conduction anesthesia, nerve block anaesthesia, nerve block anesthesia - anesthesia of an area supplied by a nerve; produced by an anesthetic agent applied to the nerve
regional anaesthesia, regional anesthesia - loss of sensation in a region of the body produced by application of an anesthetic agent to all the nerves supplying that region (as when an epidural anesthetic is administered to the pelvic region during childbirth)
topical anaesthesia, topical anesthesia - loss of sensation confined to the skin or mucous surfaces (as when benzocaine or Lidocaine is applied to the surface)
physical condition, physiological condition, physiological state - the condition or state of the body or bodily functions


n. anestesia;
endotracheal ______ endotraquial;
epidural ______ epidural;
general ______ general;
general ___ by inhalationgeneral por ___ inhalación;
general ___ by intubationgeneral por ___ intubación;
hypnosis ______ por hipnosis;
hypotensive ______ con hipotensión controlada;
intercostal ______ intercostal;
intravenous general ______ general intravenosa;
local ______ local;
regional ______ regional;
saddle block ______ en silla de montar;
spinal ______ raquídea;
topical ______ tópica;
thermal ______ térmica.


n anestesia; epidural — anestesia epidural; general — anestesia general; local — anestesia local; regional — anestesia regional; spinal — anestesia raquídea
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Specialized ambulatory anesthesia teams contribute to decreased ambulatory surgery recovery room length of stay.
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The analysis will be presented at the Society for Ambulatory Anesthesia (SAMBA) 31st Annual Meeting, which is being held May 5-7, 2016 in Orlando, FL.
7] Recent guidelines from the Society for Ambulatory Anesthesia (SAMBA) recommend that patients with treated OSA who have stable concomitant disease are suitable for outpatient surgery.
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Clinical Ambulatory Anesthesia by Johan Raeder, Director, Oslo University Hospital, Norway, is an easily read current summary of issues related to day case anaesthesia.
A rapid time to effect and recovery allows the clinician to easily adjust dosing to fit the patient's situational needs, a feature much preferred for ambulatory anesthesia.
Gupta A, Stierer T, Zuckerman R et al 2004 Comparison of recovery profile after ambulatory anesthesia with propofol, isoflurane, sevoflurane and desflurane: A systematic review Anesthesia & Analgesia 98 (3) 632-641
The guidelines, which will update recommendations published by the Society of Ambulatory Anesthesia in 2003, are in the final stages of completion by a panel of experts Anesth.
Comparison of recovery profile after ambulatory anesthesia with propofol, isoflorane, sevoflurane and desflurane: a systematic review.