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Creatinine arm index as alternative for creatinine height index
The American Journal of Clinical Nutrition, 1992Nutritional assessment of elderly people is limited due to a lack of age-corrected standards. The objective of this study was to develop a new, more age-independent index for nutritional assessment by correcting the creatinine height index (CHI) for the age-induced changes in its variables.
van Hoeyweghen, R.F. +2 more
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PLASMA CREATININE CONCENTRATION AND CREATININE CLEARANCE IN CLINICAL WORK
Annals of Internal Medicine, 1955Excerpt Our reason for writing this paper is the wish to sum up salient points concerning the endogenous creatinine clearance with special regard to the utility of the test in routine clinical work...
E. M. Blegen, H. N. Haugen
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Pediatrics, 1983
To the Editor.— The data presented by Sutphen1 are interesting, but they do not speak to the conclusions that are drawn in the paper. If urine creatinine excretion is supposed to reflect body muscle (protein) mass, why wasn't creatinine excretion expressed as milligrams per kilogram of actual weight v actual weight?
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To the Editor.— The data presented by Sutphen1 are interesting, but they do not speak to the conclusions that are drawn in the paper. If urine creatinine excretion is supposed to reflect body muscle (protein) mass, why wasn't creatinine excretion expressed as milligrams per kilogram of actual weight v actual weight?
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CSF creatinine in schizophrenia
Biological Psychiatry, 1988Concentrations of creatinine in cerebrospinal fluid (CSF) from schizophrenic patients and healthy control subjects were determined by a liquid chromatographic method. The concentration of creatinine in CSF from schizophrenic patients was lower (42.8 nmol/ml) than that of the controls (54.4 nmol/ml). The concentration of creatinine was correlated to the
Göran Sedvall, Carl-Gunnar Swahn
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Bacterial degradation of creatinine
Biochimica et Biophysica Acta, 1958Abstract The degradation of creatinine to NH3 and N-methylhydantoin by crude cell-free extracts of Cl. paraputrificum is coupled with the formation of ATP and orthophosphate. However, an enzyme which has been purified mre than 4000 fold is able to carry out apparently the same reaction without ATP production.
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Creatine and Creatinine Metabolism
Physiological Reviews, 2000The goal of this review is to present a comprehensive survey of the many intriguing facets of creatine (Cr) and creatinine metabolism, encompassing the pathways and regulation of Cr biosynthesis and degradation, species and tissue distribution of the enzymes and metabolites involved, and of the inherent implications for physiology and human pathology ...
Rima Kaddurah-Daouk, Markus Wyss
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Creatinine kinetics in the rabbit
Journal of Pharmacokinetics and Biopharmaceutics, 1979To evaluate the kinetics of creatinine in the rabbit, two radiotagged creatinine forms were used, with 14C in the amidino group or with it in the carboxyl group. Five animals were injected intravenously with tracer amounts, and plasma samples were taken for 250-300 min; urine and feces samples were taken over longer periods.
Mehdi Boroujerdi, Albert M. Mattocks
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Scandinavian Journal of Urology and Nephrology, 1971
Twenty-one healthy volunteers and 281 patients were given an oral dose of 3 g creatinine. The creatinine concentration in serum was determined before and 24 hours after loading. Creatinine concentration in 100 ml serum rose, on average, 0.05 mg in healthy subjects, 0.1 mg in patients with renal disease with a creatinine concentration of less than 1.1 ...
O. Rudolphi +2 more
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Twenty-one healthy volunteers and 281 patients were given an oral dose of 3 g creatinine. The creatinine concentration in serum was determined before and 24 hours after loading. Creatinine concentration in 100 ml serum rose, on average, 0.05 mg in healthy subjects, 0.1 mg in patients with renal disease with a creatinine concentration of less than 1.1 ...
O. Rudolphi +2 more
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Archives of Internal Medicine, 1981
To the Editor. —Although well documented in the medical literature,1,2the effect of diet on the creatinine clearance is often overlooked. Creatinine is present in meat and is absorbed to a substantial extent from the gastrointestinal tract. Cooking of foods for prolonged periods seems to enhance conversion of creatine to creatinine.3Because of the ...
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To the Editor. —Although well documented in the medical literature,1,2the effect of diet on the creatinine clearance is often overlooked. Creatinine is present in meat and is absorbed to a substantial extent from the gastrointestinal tract. Cooking of foods for prolonged periods seems to enhance conversion of creatine to creatinine.3Because of the ...
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