Please use this identifier to cite or link to this item: http://ahro.austin.org.au/austinjspui/handle/1/12649
Title: Automated electronic monitoring of circuit pressures during continuous renal replacement therapy: a technical report.
Authors: Zhang, Ling;Baldwin, Ian;Zhu, Guijun;Tanaka, Aiko;Bellomo, Rinaldo
Affiliation: Department of Intensive Care, Austin Hospital, Melbourne, VIC, Australia. ian.baldwin@austin.org.au.
Department of Intensive Care, Austin Hospital, Melbourne, VIC, Australia.
Issue Date: 1-Mar-2015
Citation: Critical Care and Resuscitation : Journal of the Australasian Academy of Critical Care Medicine; 17(1): 51-4
Abstract: Automated electronic monitoring and analysis of circuit pressures during continuous renal replacement therapy (CRRT) has the potential to predict failure and allow intervention to optimise function.Current CRRT machines can measure and store pressure readings for downloading into databases and for analysis. We developed a procedure to obtain such data at intervals of 1 minute and analyse them using the Prismaflex CRRT machine, and we present an example of such analysis.We obtained data on pressures obtained at intervals of 1 minute in a patient with acute kidney injury and sepsis treated with continuous haemofiltration at 2 L/hour of ultrafiltration and a blood flow of 200 mL/minute. Data analysis identified progressive increases in transmembrane pressure (TMP) and prefilter pressure (PFP) from time 0 until 33 hours or clotting. TMP increased from 104 mmHg to 313 mmHg and PFP increased from from 131 mmHg to 185 mmHg. Effluent pressure showed a progressive increase in the negative pressure applied to achieve ultrafiltration from 0 mmHg to -168 mmHg. The inflection point for such changes was also identified. Blood pathway pressures for access and return remained unchanged throughout.Automated electronic monitoring of circuit pressure during CRRT is possible and provides useful information on the evolution of circuit clotting.
Internal ID Number: 25702763
URI: http://ahro.austin.org.au/austinjspui/handle/1/12649
URL: http://www.ncbi.nlm.nih.gov/pubmed/25702763
Type: Journal Article
Subjects: Automation
Databases as Topic
Electronics, Medical
Equipment Failure
Humans
Pressure
Renal Replacement Therapy
Appears in Collections:Journal articles

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