Korean J Anesthesiol.  1984 Dec;17(4):250-254.

The Effect of Anesthesia ( Balanced anesthesia ) and Surgery on Thyroxine and Triiodothyronine Levels in Plasma

• Min JH
• Kim YH
• Kim KM

Abstract

This study was undertaken to investigate the effect of anesthesia(balanced anesthesia) and surgery on plasma thyroxine and triiodothyronine levels in ten surgical patients by means of the radioimmunoassay method which provides a quantitative measure of thyroid function. The sex ratio between male and female patients was 1:1, mean age was 30.1+/-12.26 and the average body weight was 57.38+/-15.81kg. The plasma triiodothyronine level before anesthesia and surgery was 138.1+/-32.64(ug/dl) but at 90 minutes and 120 minutes after anesthesia and surgery they were 100+/-19.64(ug/dl) and 92.4+/-7.49(ug/dl) respectively. The plasma thyroxine level remained unchanged during anesthesia and surgery. Consequently there was a statistically significant decreased level in plasma triiodothyronine but there was no change in plasma thyroxine level during anesthesia and surgery.

MeSH Terms

Anesthesia*
Balanced Anesthesia*
Body Weight
Female
Humans
Male
Plasma*
Radioimmunoassay
Sex Ratio
Thyroid Gland
Thyroxine*
Triiodothyronine*
Thyroxine
Triiodothyronine