| 释义 |
preoperative, a. Med.|priːˈɒpərətɪv|
[pre- B. 1.]
Given or occurring before a surgical operation.
1904Brit. Med. Jrnl. 10 Sept. Epit. Med. Lit. 35 Pre-operative and Post-operative Treatment in Abdominal Section. 1954Martin & Hynes Clin. Endocrinol. (ed. 2) iii. 69 The use of pre-operative iodine or anti-thyroid drugs..adds further difficulty in the histological diagnosis of thyroidectomy specimens. 1957New Biol. XXIV. 54 Without preoperative treatment with heparin there would be every likelihood of the blood clotting within the operated blood vessel. 1977Lancet 25 June 1352/1 In preoperative preparation of the bowel most surgeons used neomycin for 1–3 days, or phthalylsulphathiazole for 3–10 days.
Hence preˈoperatively adv., before an, or the, operation.
1931[see postoperatively adv.]. 1957Ann. R. Coll. Surgeons XXI. 368 The visual defect pre-operatively affected both eyes nearly equally. 1976Lancet 27 Nov. 1205/2 All the patients feel well, and there have been no occlusive vascular episodes postoperatively. However, in the only patient (no. 2) whose electrocardiogram was abnormal preoperatively, no change has occurred. |