Choice of the best equation for plasma osmolality calculation: Comparison of fourteen formulae

Clinical Biochemistry

Volumn 48, Issue 7-8, 2015, Pages 529-533

  Martín Calderón, José L ^a   Bustos, Fernando ^a   Tuesta Reina, Lyliam R ^b   Varona, Julia M ^a   Caballero, Luis ^a   Solano, Fernando ^a  

^a HOSPITAL NUESTRA SEÑORA DEL PRADO   (Spain)

^b Health Area of Talavera de la Reina   (Spain)

Author keywords

Calculated osmolality; Osmolal gap; Osmometry; Plasma osmolality

Indexed keywords

CALCIUM; GLUCOSE BLOOD LEVEL; MAGNESIUM; POTASSIUM; SODIUM; UREA;

ANALYSIS; BLOOD; CHEMISTRY; GLUCOSE BLOOD LEVEL; HUMAN; OSMOLARITY; PLASMA; THEORETICAL MODEL;

BLOOD GLUCOSE; CALCIUM; HUMANS; MAGNESIUM; MODELS, THEORETICAL; OSMOLAR CONCENTRATION; PLASMA; POTASSIUM; SODIUM; UREA;

EID: 84937758709     PISSN: 00099120     EISSN: 18732933     Source Type: Journal    
DOI: 10.1016/j.clinbiochem.2015.03.005     Document Type: Article

References (19)

1. Dorwart W., Chalmers L. Comparison of methods for calculating serum osmolality from chemical concentrations, and the prognostic value of such calculations. Clin Chem 1975, 21(2):190-194.
2. Rasouli M., Kalantari K.R. Comparison of methods for calculating serum osmolality: multivariate linear regression analysis. Clin Chem Lab Med 2005, 43(6):635-640.
3. Bhagat C.I., García-Webb P., Fletcher E., Beilby J.P. Calculated vs. measured osmolalities revisited. Clin Chem 1984, 30(10):1703-1705.
4. Khajuria A., Krahn J. Osmolality revisited-deriving and validating the best formula for calculated osmolality. Clin Biochem 2005, 38:514-519.
5. Worthley L.I., Guerin M., Pain R.W. For calculating osmolality the simplest formula is the best. Anaesth Intensive Care 1987, 15:199-202.
6. Gerich J.E., Martin M.M., Recant L. Clinical and metabolic characteristics of hyperosmolar non-ketonic coma. Diabetes 1971, 20:228-235.
7. Edelman I.S., Leibman J., O'Meara M.P., Birkenfeld L.W. Interrelations between sodium concentration, serum osmolarity and total exchangeable potassium and total body water. J Clin Invest 1958, 37:1236-1256.
8. Glasser L., Sternglanz P.D., Comble J., Robinson A. Serum osmolality and its applicability to drug overdose. Am J Clin Pathol 1973, 60:695-699.
9. Boyd D.R., Baker R.J. Osmometry: a new beside laboratory aid for the management of surgical patients. Surg Clin North Am 1971, 51:241-250.
10. Garcia-Morales E.J., Cariappa R., Parvin C.A., Scott M., Diringer M.N. Osmole gap in neurologic-neurosurgical intensive care unit. Its normal value, calculation and relationship with mannitol serum concentrations. Crit Care Med 2004, 32:986-991.
11. Hovda K.E., Hunderi O.H., Rudberg N., Froyshow S., Jacobson D. Anion and osmolal gaps in the diagnosis of methanol poisoning: clinical study in 28 patients. Intensive Care Med 2004, 30:1842-1846.
12. Scott M.G., LeGrys V.A., Klutts S. Electrolytes and blood gases. Tietz Textbook of Clinical Chemistry 2006, 992-993. Elsevier Saunders, St. Louis Missouri. C. Burtis, E. Ashwood, D. Bruns (Eds.).
13. Sklar A.H., Linas S.L. The osmolal gap in renal failure. Ann Intern Med 1983, 98:481-482.
14. Passing H., Bablok W. A new biometrical procedure for testing the equality of measurements from two different analytical methods. Application of linear regression procedures for method comparison studies in clinical chemistry, part I. J Clin Chem Clin Biochem 1983, 21:709-720.
15. Luiz R.R., Costa J.L., Kale P.L., Werneck G.L. Assessment of agreement for a quantitative variable: a new graphical approach. J Clin Epidemiol 2003, 56(10):963-967.
16. Boyle J.S., Bechtel L.K., Holstege C.P. Management of the critically poisoned patient. Scand J Trauma Resusc Emerg Med 2009, 17:29.
17. Bland J.M., Altman D.G. Statistical methods for assessing agreement between two methods of clinical measurement. Lancet 1986, 1:307-310.
18. Smithline N., Gardner K.D. Gaps-anionic and osmolal. JAMA 1976, 236(14):1594-1597.
19. Davidson D.F. Excess osmolal gap in diabetic ketoacidosis explained. Clin Chem 1992, 38(5):755-757.