Accuracy of intravenous infusion pumps in continuous renal replacement therapies

Randall Jenkins, H. Harrison, B. Chen, D. Arnold, J. Funk

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Most extracorporeal continuous renal replacement therapies (CRRT) require inflow pumping of either dialysate, filtrate replacement solution, or both. Outflow of spent dialysate and ultrafiltrate can be accomplisbed by gravity drainage or pump. Intravenous infusion pumps have been commonly used for these purposes, although little is known about the accuracy of these pumps. To evaluate accuracy of two different types of intravenous infusion pumps used in CRRT, we studied flow rates at nine different pressure variations in three piston type and three linear peristaltic pumps. The results showed that error of either pump was not different for flow rates of 4 and 16 ml/min. Both types of pumps were affected by fluid circuit pressures, although pressure conditions under which error was low were different for each pump type. The linear peristaltic pumps were most accurate under conditions of low pump inlet pressure, whereas piston pumps were most accurate under conditions of low pump pressure gradient (outlet minus inlet) of 0 or -100 mmHg. The magnitude of error outside these conditions was substantial, reaching 12.5% for the linear peristaltic pump when inlet pressure was -100 mmHg and outlet pressure was 100 mmHg. Error may be minimized in the clinical setting by choosing the pump type best suited for the pressure conditions expected for the renal replacement modality in use.

Original languageEnglish (US)
Pages (from-to)808-810
Number of pages3
JournalASAIO Journal
Volume38
Issue number4
StatePublished - 1992
Externally publishedYes

Fingerprint

Infusion Pumps
Renal Replacement Therapy
Intravenous Infusions
Pumps
Pressure
Dialysis Solutions
Gravitation
Flow rate
Drainage
Reciprocating pumps
Kidney
Pressure gradient
Pistons

ASJC Scopus subject areas

  • Biophysics
  • Bioengineering

Cite this

Jenkins, R., Harrison, H., Chen, B., Arnold, D., & Funk, J. (1992). Accuracy of intravenous infusion pumps in continuous renal replacement therapies. ASAIO Journal, 38(4), 808-810.

Accuracy of intravenous infusion pumps in continuous renal replacement therapies. / Jenkins, Randall; Harrison, H.; Chen, B.; Arnold, D.; Funk, J.

In: ASAIO Journal, Vol. 38, No. 4, 1992, p. 808-810.

Research output: Contribution to journalArticle

Jenkins, R, Harrison, H, Chen, B, Arnold, D & Funk, J 1992, 'Accuracy of intravenous infusion pumps in continuous renal replacement therapies', ASAIO Journal, vol. 38, no. 4, pp. 808-810.
Jenkins, Randall ; Harrison, H. ; Chen, B. ; Arnold, D. ; Funk, J. / Accuracy of intravenous infusion pumps in continuous renal replacement therapies. In: ASAIO Journal. 1992 ; Vol. 38, No. 4. pp. 808-810.
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