Biomedical subjects
Publications and source records attributed to K Väisänen.
Four subfertile mares (at least 2 barren years) were used as donors in an embryo transfer program. The embryo recovery rate was 50%, varying between 0-100. The transfer of 9 embryos resulted in the pregnancy rate of 44%. The efficiency of embryo transfer using subfertile mares is low. In this material 20% of flushings resulted in a pregnancy.
A randomized cross-over trial was conducted in 30 restless mentally subnormal patients by increasing the dosage of haloperidol from 10 to 60 mg and that of thioridazine from 100 to 600 mg daily. The clinical effects of drug holidays on placebo and serum drug levels were also examined. There were more relative drug-responders than nonresponders or negative responders. Correlation between clinical response and drug serum levels was poor, probably owing to the heterogeneity of disorders treated. Mesoridazine and other metabolites had 5-6 times higher serum levels than the parent compound, and relatively high serum levels are achieved already with moderate doses. The observed differences between haloperidol and thioridazine treatment were surprisingly few. Serum cholesterol was higher (P less than 0.05) at the end of thioridazine than of the haloperidol administration.
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A randomized cross-over trial was conducted in 30 restless mentally subnormal patients by increasing the dosage of haloperidol from 10 to 60 mg and of thioridazine from 100 to 600 mg daily. The effects of drug holidays and serum drug levels were also examined. Mesoridazine had 5-6 times higher serum levels than the parent compound and relatively high serum levels are achieved already with moderate doses. The observed differences between haloperidol and thioridazine treatment were surprisingly few. Serum cholesterol was higher (P < 0.05) at the end of the thioridazine administration. Drug holidays may benefit may patients.