Standardizing point-of-care instrumentation: One Institution’s Experience
Brenda Suh-Lailam, PhD, DABCC, FACB Ann & Robert H. Lurie Children’s Hospital of Chicago Feinberg School of Medicine, Northwestern University
Standardizing point-of-care instrumentation: One Institutions - - PowerPoint PPT Presentation
Standardizing point-of-care instrumentation: One Institutions Experience Brenda Suh-Lailam , PhD, DABCC, FACB Ann & Robert H. Lurie Childrens Hospital of Chica go Feinberg School of Medicine, Northwestern University Learning Objectives
Brenda Suh-Lailam, PhD, DABCC, FACB Ann & Robert H. Lurie Children’s Hospital of Chicago Feinberg School of Medicine, Northwestern University
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Fast
Portable
Reliable
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Handheld Benchtop type 1 Benchtop type 2 Benchtop type 3 Handheld type 1 Handheld type 2 Benchtop
– Anticoagulation status – ACT – Need for transfusion – Hemoglobin
– Different processes, steps and workflows – decreased compliance – Maintaining inventory for different device types
– Performing instrument to instrument comparisons – Keeping procedures updated
– Having to interface each device type – Low order volumes – Maintenance fees for each device type
workflows)
reduction
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American Productivity & Quality Center (APQC) Blog “For Change Management To Work The Reason Must Be Compelling” Rachele Collins, May 30, 2017
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https://www.aacc.org/publications/cln/articles/2017/november/from-many-
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Assess different aspects of the clinical departments and each POCT device being considered.
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23-27 steps 10 – 40 minutes Variable processes Workflow with benchtop analyzers
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Month 1 Month 2 Month 3 Month 4 Month 5 Month 6 Month 7
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Ordered on wrong patient Wrong specimen type Error type not specified Month 1 Month 2 Month 3 Month 4 Month 5 Month 6 Month 7 Month 5 Month 6 Month 7 Incorrect result on an analyte Duplicate order
Direct measurement Benchtops Handheld pH √ √ pCO2 √ √ PO2 √ √ Na+ √ √ K+ √ √ CL- √ iCa √ √ Glu √ √ Lac √ √ Hct √ √ tHb √ O2Hb √ COHb √ MetHb √ HHb √ Calculated sO2 √ √ HCO3 √ √ BE √ TCO2 √ √ tHb √ √ Hct √
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y = 1.14x – 16.4 y = 1.05x – 4.6 y = 0.99x + 2.5 y = 0.88x + 15.1
n = 40 Sample type: Leftover whole blood and serum Population: CVS patients
Benchtop 1 Benchtop 2 Benchtop 3 Handheld
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Mean bias = 3.3 mmol/L (2.4%)
Avg of Cobas 6000 & Benchtop 1 (mmol/L) Bias (mmol/L) Avg of Cobas 6000 & Benchtop 3 (mmol/L)
Mean bias = 1.3 mmol/L (1.0%)
Bias (mmol/L) Avg of Cobas 6000 & Handheld (mmol/L)
Mean bias = 2.8 mmol/L (2.0%)
Bias (mmol/L)
Mean bias =-1.1 mmol/L (-0.8%)
Avg of Cobas 6000 & Benchtop 2 (mmol/L) Bias (mmol/L)
Na, allowable total error (TEa) = ± 4 mmol/L
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Benchtop 1 Benchtop 2 Benchtop 3 Handheld
Potassium, K
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Avg of Cobas 6000 & Benchtop 1 (mmol/L) Avg of Cobas 6000 & Benchtop 2 (mmol/L) Avg of Cobas 6000 & Benchtop 3 (mmol/L) Avg of Cobas 6000 & Handheld(mmol/L)
K, allowable total error (TEa) = ± 0.05 mmol/L
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BGAs (g/dL)
ABL90 GEM4000 GEM3000 I-STAT y = 1.03x – 0.08 y = 1.16x – 2.22 y = 0.98x – 0.78 y = 0.94x + 0.71
n = 40 Sample type: Leftover whole blood and serum Population: CVS patients
Benchtop 1 Benchtop 2 Benchtop 3 Handheld
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Mean bias = 0.25 g/dL (2.28%) Mean bias = -1.02 g/dL (-9.21%) Mean bias = 0.06 g/dL (0.54%) Mean bias = -0.49 g/dL (-4.38%) Bias (g/dL) Avg of ADVIA & Benchtop 1 (g/dL) Bias (g/dL) Bias (g/dL) Bias (g/dL) Avg of ADVIA & Benchtop 2 (g/dL) Avg of ADVIA & Handheld (g/dL) Avg of ADVIA & Benchtop 3 (g/dL)
Spectrophotometry Conductivity Hb TEa = ± 7%
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Hemoglobin, Handheld (g/dL) Bias (g/dL) Hemoglobin, ADVIA (g/dL) Avg ADVIA & Handheld (g/dL)
n = 21 Sample type: Leftover whole blood Population: Samples sent to lab for routine testing
Mean bias = 0.34 g/dL (2.88%) y = 1.107x – 0.93
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Assess different aspects of the clinical departments and each POCT device being considered. Recommend POCT device type that best meets clinical and
implementing.
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Percent blood gas orders with co-ox per week CICU NICU PICU Pre-standardization 100% 100% 100% Post-standardization 93% 4% 0%
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Assess different aspects of the clinical departments and each POCT device being considered. Recommend POCT device type that best meets clinical and
implementing. Implement recommendation with processes in place for monitoring and maintaining compliance and quality.
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– Increased personnel satisfaction - uniformity in practice across hospital departments – Increased provider satisfaction
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– Decreased pre-analytic errors – fewer corrected reports – Increased regulatory compliance – Improved test utilization – All standardized POC instruments interfaced to the EMR
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Pre-standardization Post-standardization
Month 1 Month 2 Month 3 Month 4 Month 5 Month 6 Month 7 Month 1 Month 2 Month 3
– Department reached goal for sustainable savings initiative
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Prework Obtain data and identify stakeholders
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Assess different aspects of the clinical departments and each POCT device being considered. Recommend POCT device type that best meets clinical and
implementing. Implement recommendation with processes in place for monitoring and maintaining compliance and quality.
https://www.aacc.org/publications/cln/articles/2017/november/from-many-one-a-case-study-on-standardizing-point-of-care-testing- instrumentation https://www.aacc.org/community/aacc-academy/publications/scientific-shorts/2018/is-standardizing-poct-instrumentation-worth-the-challenge
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