Comparison of different methods for measurement of electrolytes in patients admitted to the intensive care unit

References

1. ↵
   1. Hoekstra M,
   2. Vogelzang M,
   3. Drost JT,
   4. Janse M,
   5. Loef BG,
   6. van der Horst IC,
   7. et al.

   (2010) Implementation and evaluation of a nurse-centered computerized potassium regulation protocol in the intensive care unit--a before and after analysis. BMC Med Inform Decis Mak 10:5.

   OpenUrlCrossRefPubMed
2. ↵
   1. Vincent JL,
   2. Abraham E,
   3. Moore FA,
   4. Kochanek P,
   5. Mitchell P

   (2011) Textbook of Critical Care (Saunders, Philadelphia (PA)), 6th ed.
3. ↵
   1. Buckley MS,
   2. LeBlanc JM,
   3. Cawley MU

   (2010) Electrolyte disturbances associated with commonly prescribed medications in the intensive care unit. Crit Care Med 38(6 Suppl):S253–S264.

   OpenUrlCrossRefPubMed
4. ↵
   1. Whelan B,
   2. Bennett K,
   3. O'Riordan D,
   4. Silke B

   (2009) Serum sodium as a risk factor for in-hospital mortality in acute unselected medical patients. QJM 102:175–182.

   OpenUrlCrossRefPubMedWeb of Science
5. 1. Chawla A,
   2. Sterns RH,
   3. Nigwekar SU,
   4. Cappuccio JD

   (2011) Mortality and serum sodium: do patients die from or with hyponatremia? Clin J Am Soc Nephrol 6:960–965.

   OpenUrlAbstract/FREE Full Text
6. ↵
   1. Mousavi SA,
   2. Shahabi S,
   3. Mostafapour E,
   4. Purfakharan M,
   5. Fereshtehnejad SM,
   6. Amini J,
   7. et al.

   (2012) Comparison of the serum electrolyte levels among patients died and survived in the intensive care unit. Tanaffos 11:36–42.

   OpenUrl
7. ↵
   1. Dimeski G,
   2. Morgan TJ,
   3. Presneill JJ,
   4. Venkatesh B

   (2012) Disagreement between ion selective electrode direct and indirect sodium measurements: estimation of the problem in a tertiary referral hospital. J Crit Care 27:326.e9–3260e16.

   OpenUrlCrossRefPubMed
8. ↵
   1. Scott MG,
   2. LeGrys VA,
   3. Klutts JS

   (2006) Tietz Textbook of Clinical Chemistry and Molecular Diagnostics, Electrolytes and blood gases (Saunders, Philadelphia (PA)), 4th ed, pp 983–1018.
9. ↵
   1. Ehrmeyer SS,
   2. Laessig RH,
   3. Leinweber JE,
   4. Oryall JJ

   (1990) 1990 Medicare/CLIA final rules for proficiency testing: minimum intralaboratory performance characteristics (CV and bias) needed to pass. Clin Chem 36:1736–1740.

   OpenUrlAbstract/FREE Full Text
10. ↵
    1. Morimatsu H,
    2. Rocktäschel J,
    3. Bellomo R,
    4. Uchino S,
    5. Goldsmith D,
    6. Gutteridge G

    (2003) Comparison of point-of-care versus central laboratory measurement of electrolyte concentrations on calculations of the anion gap and the strong ion difference. Anesthesiology 98:1077–1084.

    OpenUrlCrossRefPubMedWeb of Science
11. ↵
    1. Chacko B,
    2. Peter JV,
    3. Patole S,
    4. Fleming JJ,
    5. Selvakumar R

    (2011) Electrolytes assessed by point-of-care testing- Are the values comperable with results obtained from the central laboratory? Indian J Crit Care Med 15:24–29.

    OpenUrlPubMed
12. ↵
    1. Jain A,
    2. Subhan I,
    3. Joshi M

    (2009) Comparison of the point-of-care blood gas analyzer versus the laboratory auto-analyzer for the measurement of electrolytes. Int J Emerg Med 2:117–120.

    OpenUrlCrossRefPubMed
13. ↵
    1. Zhang JB,
    2. Lin J,
    3. Zhao XD

    (2015) Analysis of bias in measurements of potassium, sodium and hemoglobin by an emergency department-based blood gas analyzer relative to hospital laboratory autoanalyzer results. PloS One 10:e0122383.

    OpenUrlPubMed
14. ↵
    1. Bland JM,
    2. Altman DG

    (1986) Statistical methods for assessing agreement between two methods of clinical measurement. Lancet 1:307–310.

    OpenUrlCrossRefPubMedWeb of Science
15. ↵
    1. Statland BE,
    2. Brzys K

    (1990) Evaluating STAT testing alternatives by calculating annual laboratory costs. Chest 97:198–203.

    OpenUrl
16. ↵
    1. Burtis C,
    2. Bruns D

    , eds (2014) Tietz Fundamentals of Clinical Chemistry and Molecular Diagnostics (Saunders, Philadelphia (PA)), 7th ed.
17. ↵
    1. King RI,
    2. Mackay RJ,
    3. Florkowsky CM,
    4. Lynn AM

    (2013) Electrolytes in sick neonates-which sodium is the right answer? Arch Dis Child Fetal Neonatal Ed 98:F74–F76.

    OpenUrlAbstract/FREE Full Text
18. ↵
    1. Sakyi A,
    2. Laing E,
    3. Ephraim R,
    4. Asibey O,
    5. Sadique O

    (2015) Evaluation of analytical errors in a clinical chemistry laboratory: a 3 year experience. Ann Med Health Sci Res 5:8–12.

    OpenUrl
19. ↵
    1. Van BM,
    2. Scharnhost V

    (2011) Electrolyte-balanced heparin in blood gas syringes can introduce a significant bias in measurement of positively charged electrolytes. Clin Chem Lab Med 49:249–252.

    OpenUrlPubMed