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Biomedical subjects

L Kaij

Publications and source records attributed to L Kaij.

At least 37 records · Page 2Linked to original sources

Grandsons of alcoholics. A test of sex-linked transmission of alcohol abuse.

To test the hypothesis of a sex-linked factor influencing the occurrence of alcoholism and alcohol abuse, alcoholism or abuse rates were compared for 136 sons of the sons vs 134 sons of the daughters of 75 alcoholics. No substantial difference between the groups of grandsons was found in frequency of officially registered alcoholism or alcohol abuse, or both, which suggests no sex-linked factor is involved. The total sample was also used to calculate the risk of such registration for the grandson; the rate of registration by the grandsons' fifth decade of life was 43%, approximately three times that of the general male population, and even higher than the equivalent rate in brothers of alcoholics. This result is incompatible with an assumption of a recessive gene being involved in the occurrence of alcoholism, though it fits with the assumption of a dominant gene.

Alcoholism↗

Length of interbirth intervals in female psychiatric patients and controls.

Length of 121 interbirth intervals for 77 multiparous female psychiatric patients was contrasted with the length of 605 interbirth intervals for 385 matched population-control women to test a clinical observation that female psychiatric patients often have long intervals between consecutive reproductions. No significant difference was found between all patients versus all controls or between any patient diagnostic group versus controls in studying the length of only those intervals including or subsequent to the first psychiatric hospitalization. Intervals during which this hospitalization occurred were significantly longer for all patients combined, for schizophrenic-like-psychotics, and for psychopaths, each as compared with its parity-matched control group. The clinical observation was not generally supported by the current data.

Female↗

On some late effects of bilateral oophorectomy in the age range 15-30 years.

Between 1910 and 1940, 146 young females, aged 15-30 years, underwent bilateral salpingo-oophorectomy as part of a radical operation for salpingo-oophoritis. These women or their records were reviewed in 1971. 42 women had died in the meantime. More than half (22) of them had died from cardiovascular diseases, 5 from carcinoma of the uterus and 4 had committed suicide. None had died from carcinoma of the breast. Of 68 who were still alive, information by questionnaire was obtained and 32 were admitted to hospital for extensive examination. 32 age-matched women to be operated on for prolapse but with no other known disease of the reproductive tract served as controls. A further control group was added as 11 of the 68 were found to have menstruated again after the operation which had evidently not completely removed the gonads. Complete oophorectomy was found to have been followed by: (a) an increased incidence of cardiac symptoms and nervous diseases as well as an increased use of drugs; (b) a significant increase in the frequency of coronary vascular diseases in ages up to 70 years; (c) an increase in the serum cholesterol and triglycerides, most significantly in the ages below 60-65 years. Women with symptomatic coronary disease had a higher serum cholesterol level than women without and women with signs of peripheral vascular diseases had a significantly higher concentration of serum triglycerides; (d) an increased frequency of fractures (radius and femoral neck), increased osteoporosis and thinner cortical bone. The brittleness of the skeleton was correlated with low excretion of oestrogens in the urine. No vertebral compression or abnormal decrease in height was observed. (e) an increased adrenocortical activity with significantly increased excretion of 17-ketosteroids, 17-OH-ketosteroids and low polar total oestrogens. This activity abated in women above 65 years. (f) a traumatic psychological experience of the accompanying sterility while sexuality seemed to be largely unaffected in many of them. Almost half of the women examined by the psychiatrist were unusually mentally active and agile and they had a lower excretion of estriol than the rest.

Adolescent↗