Comparison of Semi-Empirical and Computer Derived Methods for Estimating Urinary Saturation of Calcium Oxalate

Journal of Urology

Volumn 182, Issue 6, 2009, Pages 2951-2956

  Pak, Charles Y C ^a   Maalouf, Naim M ^a   Rodgers, Kathy ^a   Poindexter, John R ^a  

^a UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL CENTER   (United States)

Author keywords

calcium oxalate; computer simulation; kidney; nephrolithiasis; urine

Indexed keywords

CALCIUM OXALATE;

ARTICLE; CALCULATION; COMPUTER; CONCENTRATION RESPONSE; CONTROLLED STUDY; EMPIRICISM; FEMALE; FILTRATION; HUMAN; INCUBATION TIME; MALE; NORMAL HUMAN; PRIORITY JOURNAL; SOLUBILITY; STEADY STATE; URINALYSIS; URINE;

CALCIUM OXALATE; COMPUTER SIMULATION; FEMALE; HUMANS; KIDNEY CALCULI; MALE; SOFTWARE;

EID: 71849116534     PISSN: 00225347     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.juro.2009.08.015     Document Type: Article

References (19)

1. Meyer J.L. Physicochemistry of stone formation. In: I R., and CYC P. (Eds). Urolithiasis: A Medical and Surgical Reference (1990), WB Saunders, Philadelphia
2. Asplin J.R., Parks J.H., Lingeman J.E., et al. Supersaturation and stone composition in a network of dispersed treatment sites. J Urol 159 (1998) 1821
3. Parks J.H., Coward M., and Coe F.L. Correspondence between stone composition and urine supersaturation in nephrolithiasis. Kidney Int 51 (1997) 894
4. Robertson W.G., Peacock M., and Nordin B.E.C. Activity products in stone-forming and non-stone-forming urine. Clin Sci 34 (1968) 579
5. Pak C.Y.C. Physicochemical basis for the formation of renal stones of calcium phosphate origin: calculation of the degree of saturation of urine with respect to brushite. J Clin Invest 48 (1969) 1914
6. Werness P.G., Brown C.M., Smith L.H., et al. EQUIL 2: a basic computer program for the calculation of urinary saturation. J Urol 134 (1985) 1242
7. Preminger G.M., Sakhaee K., Skurla C., et al. Prevention of recurrent calcium stone formation with potassium citrate therapy in patients with distal renal tubular acidosis. J Urol 134 (1985) 20
8. Asplin J.R., and Coe F.L. Hyperoxaluria in kidney stone formers treated with modern bariatric surgery. J Urol 177 (2007) 565
9. Sakhaee K., Harvey J.A., and Padalino P.K. Potential role of salt abuse on the risk of kidney stone formation. J Urol 150 (1991) 310
10. Wabner C.L., and Pak C.Y.C. Effect of orange juice consumption on urinary stone risk factors. J Urol 149 (1993) 1405
11. Parks J.H., Worcester E.M., Coe F.L., et al. Clinical implications of abundant calcium phosphate in routinely analyzed kidney stones. Kidney Int 66 (2004) 777
12. Rodgers A., Allie-Hamdulay S., and Jackson G. Therapeutic action of citrate in urolithiasis explained by chemical speciation: increase in pH is the dominant factor. Nephrol Dial Transplant 21 (2006) 361
13. Pak C.Y.C., and Holt K. Nucleation and growth of brushite and calcium oxalate in urine of stone-formers. Metabolism 25 (1976) 665
14. Pak C.Y.C., Ohata M., and Holt K. Effect of diphosphonate on crystallization of calcium oxalate in vitro. Kidney Int 7 (1975) 154
15. Pak C.Y.C., Rodgers K., Poindexter J.R., et al. New methods for assessing crystal growth and saturation of brushite in whole urine: effect of pH, calcium and citrate. J Urol (2008) 180-1532
16. Pak C.Y.C., Hayashi Y., Finlayson B., et al. Estimation of the state of saturation of brushite and calcium oxalate in urine: a comparison of three methods. J Lab Clin Med 89 (1977) 891
17. Passing H., and 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 21 (1983) 709
18. Pak C.Y.C., Moe O.W., Maalouf N., et al. Comparison of semi-empirical with computer-derived methods for estimating urinary saturation of brushite. J Urol 181 (2009) 1423
19. Pak C.Y.C., Adams-Huet B., Poindexter J., et al. Relative effect of urinary calcium and oxalate on saturation of calcium oxalate. Kidney Int 66 (2004) 2032