SIMULTANEOUS DETERMINATION OF FLUID SHIFTS DURING THERMAL STRESS IN A SMALL-ANIMAL MODEL.

We have developed methodology to simultaneously measure fluid redistribution among the major compartments during moderate and severe hypohydration. Total body water (TBW) was determined using tritiated water, extracellular fluid volume (ECF) was measured using a single-injection [14C]inulin technique, and plasma volume (PV) was determined by indocyanine green dye dilution. Moderate (10% decrease in body wt) [...]

By |2013-01-31T18:33:41+00:00enero 31st, 2013|Body water content; body composition, Scientific papers|0 Comments
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NO NEED FOR WATER SUPPLEMENTATION FOR EXCLUSIVELY BREAST-FED INFANTS UNDER HOT AND ARID CONDITIONS.

This study was conducted in 4 villages in India during the hottest and driest season of the year to determine whether exclusively breast-fed infants need additional water under extremely hot and dry climatic conditions. The ambient temperature was 35-40 degrees C and the relative humidity 10-35%, except during the early morning hours. 63 urine samples [...]

By |2013-01-31T18:33:41+00:00enero 31st, 2013|Pregnancy and infancy, Scientific papers|0 Comments
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AGING AND THE KIDNEY: CLINICAL IMPLICATIONS.

Beyond the age of 30, kidney size begins to decrease, and there are accompanying decreases in total renal blood flow, outer cortical flow, glomerular filtration rate and the ability both to conserve and to excrete sodium. There is also a decline in concentrating ability and possibly in diluting ability. These changes make the elderly patient [...]

By |2013-01-31T18:33:41+00:00enero 31st, 2013|Age and the elderly, Scientific papers|0 Comments
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SWEAT GLAND RESPONSE TO EXERCISE IN THE HEAT AMONG PRE-, MID-, AND LATE-PUBERTAL BOYS.

Sweating rate (SR) of boys is lower than that of men. To assess the association between the response of individual sweat glands and physical growth and maturation, three groups of circumpubertal boys cycled at 50% VO2max in a climatic chamber (42 degrees C, 20% relative humidity). Based on Tanner staging (pubic hair), 16 were classified [...]

By |2013-01-31T18:33:41+00:00enero 31st, 2013|Children, Scientific papers|0 Comments
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THERMOREGULATORY RESPONSES OF PRE-, MID-, AND LATE-PUBERTAL BOYS TO EXERCISE IN DRY HEAT.

During exercise in a hot climate, children have been reported to have a less effective temperature regulation capability, compared with adults. It is likely that the transition from a child-like to an adult-like response occurs during puberty. To assess the association between the thermoregulatory response and physical maturation, three groups of circum-pubertal boys cycled at [...]

By |2013-01-31T18:33:41+00:00enero 31st, 2013|Exercise and sport, Scientific papers|0 Comments
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