| 释义 |
pre-anæsˈthetic, a. (n.) Med.
[pre- B. 1.]
a. Occurring before the introduction of anæsthetics into surgical practice.
1892Pall Mall G. 10 Mar. 3/2 In pre-anæsthetic times operations were very different to what they are now. 1916P. J. Flagg Art of Anæsthesia i. 1 The pre-anæsthetic period ends and the anæsthetic period begins with the discovery of ether in 1842 and its general introduction in 1846.
b. Used or carried out as a preliminary to the induction of anæsthesia. Also as n., a drug so used.
1930[see Nembutal]. 1934Current Res. Anesthesia & Analgesia XIII. 169 (heading) Pernoston as a preanesthetic in surgery. 1957S. M. Brooks Basic Facts Pharmacol. ii. 76 The most popular preanesthetic is a combination of morphine and atropine. 1974A. Freeman in Lichtiger & Moya Introd. Practice of Anesthesia xxvii. 334 A barbiturate combined with a narcotic and a belladonna alkaloid produces suitable preanesthetic sedation in most children over 1 year of age.
Hence pre-anæsˈthetically adv.
1952V. J. Collins Princ. & Pract. Anesthesiol. vii. 64 His work indicated one of the primary objects in the use of morphine preanesthetically namely, depression of basal metabolic rate and oxygen consumption. |