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Comparison of measured and calculated values for colloid osmotic pressure in hospitalized animals.
1994
Brown S.A. | Dusza K. | Boehmer J.
A relation exists between colloid osmotic pressure and serum total protein concentration; equations describing this relation have been used to determine a calculated value for colloid osmotic pressure. However, the relation between total protein concentration and colloid osmotic pressure is altered by the method used to measure protein and by changes in the ratio of concentrations of albumin (A) to globulin (G). We developed nomograms for estimating colloid osmotic pressure from A and G concentrations, using samples obtained from clinically normal animals and compared the accuracy of these nomograms with that of previously described equations relating colloid osmotic pressure to total protein concentration. For comparison, serum samples from canine (n = 106), equine (n = 79), feline (n = 24), and bovine (n = 27) patients admitted to the University of Georgia Veterinary Medical Teaching Hospital were used. Results indicated that nomograms based on protein concentration estimated by a refractometer generally were the least reliable. Although predictive nomograms, using total protein concentration determined by the biuret method, provided better results for serum samples, there was considerable variation between measured and calculated values for colloid osmotic pressure in all species studied. Calculated values for colloid osmotic pressure derived from A and G concentrations were most closely related to measured values for colloid osmotic pressure in dogs, horses, and cats. However, calculated values for colloid osmotic pressure differed from measured values by as much as 5 mm of Hg for some samples by each of the methods of estimation. These results indicate that, although calculated values for colloid osmotic pressure may be most accurate when variations in the A-to-G ratio are accounted for in the nomogram, none of the calculation methods provided a consistently accurate estimate of colloid osmotic pressure.
Mostrar más [+] Menos [-]Latex agglutination test: A simple, rapid and practical method for bovine serum CRP determination.
1992
Sarikaputi M. | Morimatsu M. | Yamamoto S. | Syuto B. | Saito M. | Naki M.
Iron and transferrin in acute experimental Salmonella cholerae-suis infection in pigs.
1985
Kramer T.T. | Griffith R.W. | Saucke L.
Studies on body types by body growth and blood chemical values in the Jindo dog., 1; Blood chemical values of Jindo dogs.
1989
Kim W.K. | Lee J.H. | Kim J.S.
The present study was conducted in order to get the normal blood chemical values of Korean Jindo dogs. Blood samples were taken from 160 (male 34, female 126) healthy Jindo dogs in Jindo area. The mean values of serum total protein (TP), albumin (Alb) and globulin (Glb) content, cholesterol (Chole), magnesium (Mg), calcium (Ca), inorganic phosphate (P), potassium (K), sodium (Na) and chloride (Cl) concentration in the group of less than one year old were 6.64 (male 6.62, female 6.64), 3.63 (male 3.57, female 3.65) and 3.00 (male 3.05, female 2.99) g/100ml, 170.97 (male 166.46, female 172.68) mg/100ml, 1.45 (male 1.43, female 1.46), 5.76 (male 5.62, female 5.81), 4.80 (male 4.95, female 4.75), 4.84 (male 4.72, female 4.89), 148.93 (male 148.79, female 148.98) and 110.22 (male 110.42, female 110.14) mEq/L, respectively, whereas the TP, Alb and Glb content, Chole Mg, Ca, P, K, Na and Cl concentration in the group of one year old and more were 6.88 (male 6.84, female 6.89), 3.65 (male 3.63, female 3.66) and 3.23 (male 3.21, female 3.23) g/100ml, 167.48 (male 173.80, female 166.48) mg/100ml, 1.40 (male 1.36, female 1.40), 5.69 (male 5.53, female 5.71), 4.62 (male 4.73, female 4.60), 4.88 (male 4.90, female 4.87), 149.86 (male 149.60, female 149.90)and 110.03 (male 110.70, female 109.92) mEq/L, respectively. The ratios of mean serum albumin to globulin (A/G), calcium to inorganic phosphate (Ca/P) and sodium to potassium (Na/K) in the group of less than one year old were 1.21 (male 1.17, female 1.22), 1.20 (male 1.14, female 1.22) and 30.77 (male 31.52, female 30.47), respectively, whereas the A/G, Ca/P and Na/K in the group of one year old and more were 1.13 (male 1.13, female 1.13), 1.23 (male 1.17, female 1.24) and 30.71 (male 30.53, female 30.78), respectively. The mean values of Alb content, Mg, Ca and K concentration, A/G and Ca/P ratio appeared to be higher in the female than in the male, whereas the reverse was the case with P concentration. No differences were found between male and female in the TP and Glb content, Chole, Na and Cl concentration and Na/K ratio.
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