Post-traumatic stress syndrome.
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Biomedical subjects
Publications and source records attributed to C Milne.
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In men with advanced carcinoma of the prostate who have a breast tumour, it is often difficult to distinguish a primary from a secondary breast lesion. The authors describe the case of a 72-year-old man who presented with a poorly differentiated carcinoma in one breast after receiving estrogen therapy for disseminated prostatic cancer. Application of the unlabelled antibody peroxidase-antiperoxidase immunohistochemical method demonstrated prostate-specific antigen in the tumour cells, thus establishing the secondary origin of the lesion. Five controls--men with primary breast cancer--when tested by the same method did not have this marker. The authors conclude that in this clinical context, prostate-specific antigen is a useful marker of breast cancer in men.
A study is reported of patients receiving 180 renal allotransplants and at risk for 1 or more years who had pretransplant and posttransplant skin tests using delayed type hypersensitivity (DTH) recall antigens. Pretransplant skin testing revealed an incidence of 14% anergic patients prior to a first transplant, and 35% were anergic prior to a second allograft. There was a statistically significant correlation between pretransplant anergy and age, as well as a significant correlation between pretransplant anergy and time of dialysis-dependent uremia. The conversion to the anegic state posttransplant in those patients with surviving allografts increased annually for the first 5 years as a linear function, with 69% of the population at risk with their first transplant exhibiting anergy by 5 years. In those patients receiving second renal transplants, all were anergic by 4 years posttransplant. In vitro tests of lymphocyte function using mitogen stimulation did not reveal significant differences between anergic and responsive patients. In this series of 180 allografts there were 14 late deaths. Eleven of these were in anergic patients and in 10 instances were related to sepsis or malignancy. Three patients who were skin-test responsive at the time of death died from cardiovascular causes. It is concluded that there is an increasing risk of the development of anergy to DTH antigens posttransplant and that the type of late mortality may be marked by this hyporeactive state.
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BACKGROUND: Individualized problem-solving counseling for caregivers of cognitively impaired relatives is thought to help caregivers cope with the stress and burden of caregiving. Few studies have shown the effectiveness of counseling for these caregivers. OBJECTIVES: To determine the effectiveness of individualized problem-solving counseling by nurses for caregivers and the expenditures of health care utilization. METHOD: Caregivers (n = 77) of the cognitively impaired living at home were randomized to receive nurse counseling or not. Psychosocial adjustment to their relative's illness, psychological distress, burden, coping skills, and expenditures were measured after 6 months and 1 year. RESULTS: Although on average, all caregivers receiving nurse counseling indicated no improvement in psychosocial adjustment to their relative's illness, psychological distress, or caregiver burden, they found counseling very helpful and it was effective for a subgroup of caregivers. Those with poor logical analysis coping skills at baseline had decreased psychological distress (F(1,53) = 9.7, p = .003) and improved psychosocial adjustment (F(1,53) = 4.7, p = .035) after 1 year. Caregivers in control and counseling groups whose relatives entered a nursing home improved their psychosocial adjustment 23% on average whereas those continuing to live in the community decreased by 8%. Almost half as many relatives entered nursing homes in the counseling group (n = 9 vs. n = 5) but these compared to control group relatives had greater annualized per person expenditures for health and social services (Cdn$23,437 vs. Cdn$15,151). CONCLUSIONS: Caregivers found nurse counseling most helpful. Those indicating infrequent use of logical analysis coping skills showed benefits.