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Biomedical subjects

C Leslie

Publications and source records attributed to C Leslie.

27 records · Page 2Linked to original sources

What caused India's massive community health workers scheme: a sociology of knowledge.

A program to train Community Health Workers was initiated in India in 1977 using a rhetoric that referred to claims for the success of health policies in China. This paper considers conflicting interpretations of the program at the time when it was implemented, its failure to use the extensive institutional structure of indigenous medicine, and the failure of those who planned and evaluated the program to utilize the substantial body of ethnographic work on medical practices and traditions in South Asia.

Community Health Services↗

Alpha-adrenoceptor changes after oestrogen treatment in platelets and other tissues in female rabbits.

alpha 2-Adrenoceptors on blood platelets have been widely used as a model for alpha-adrenoceptors in less accessible tissues. The effect of oestrogen (200 micrograms/day intramuscularly) on alpha 2-adrenoceptor number and function was studied in immature female rabbits. alpha 2-adrenoceptor number was measured in whole platelets, and membrane preparations of forebrain, hindbrain, spleen and kidney by radioligand binding. alpha 2-Adrenoceptor function was examined by measuring platelet aggregation in vitro and circulatory responses to selective alpha 2-adrenoceptor agonists in vivo. Oestrogen treatment resulted in a significant decrease in platelet alpha 2-adrenoceptor number and function. However, no changes were observed either in receptor number in other tissues or in responses to alpha 2-agonists in vivo. The results suggest that oestrogen modulation of rabbit platelet alpha 2-adrenoreceptor number and function may be different from that of brain, kidney and spleen. Caution should be exercised in extrapolating results from platelets to alpha-adrenoceptors at other sites.

Animals↗

The incidence of contrast medium induced acute tubular necrosis following arteriography.

Twenty-one patients slated for high-dose arteriography were studied to investigate the impact of predisposing medical conditions upon contrast medium induced acute renal failure. The study suggests that predisposing medical conditions are the most important factor determining the incidence of acute renal failure and the probability, speed, and degree of recovery of renal function. Patients with diabetes mellitus incur the highest risk of contrast medium induced acute renal failure. A dose relationship is also suggested. Contrast medium doses containing more than 100 g of iodine uniformly produced acute tubular necrosis in patients with predisposing medical conditions. Conversely, contrast medium doses containing less than 80 g of iodine produced clinically manifest acute renal failure in only one of 14 patients with predisposing medical conditions. Subclinical levels of acute renal failure were recognized in a large number of patients by routine measurement of radionuclide filtration fractions, serum creatinine levels, and urine osmolality and sodium concentration.

Acute Kidney Injury↗