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Trial registered on ANZCTR
Registration number
ACTRN12608000513314
Ethics application status
Approved
Date submitted
17/09/2008
Date registered
2/10/2008
Date last updated
4/07/2012
Type of registration
Retrospectively registered
Titles & IDs
Public title
A study to evaluate the accuracy of capillary glucose measurement versus colorimetry glucose measurment as methods for determining blood glucose concentration in critically ill patients.
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Scientific title
A study to evaluate the accuracy of capillary glucose measurement versus colorimetry glucose measurment as methods for determining blood glucose concentration in critically ill patients.
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Glycemic control
3777
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Condition category
Condition code
Metabolic and Endocrine
3874
3874
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0
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Metabolic disorders
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Metabolic and Endocrine
3950
3950
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0
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Diabetes
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Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
The objective of this study was to assess the accuracy and clinical agreement between arterial glucose concentration and capillary or central venous measures. A sole set of tests per patient was obtained from all patients in about 5 minutes. Capilary strip, arterial strip, venous and arterial laboratory dosages were performed. Arterial and central venous lines were forcefully used for the samples collection. The catheters lumen was washed with 10mL distilled water, followed by aspiration of 5mL fluids to be disposed of before the collection. Arterial and venous glucose were performed in the Olympus Au640e device, hexochinase G-6-PDHA reagent. For strip determination of glycemia blood from finger pulp lanced with a 26G needle was used. The glucometer available at the institution was the Medisense – FreeStyle Optium® (Abbott Laboratories, USA).
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Intervention code [1]
3419
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Not applicable
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Comparator / control treatment
There is no control group
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Pearson coefficient was used to determine the correlation between the different measurements of glucose levels in relation to the arterial laboratory one. This correlation analysis between methods was based on standards established by the Clinical and Laboratory Standards Institute (CLSI) that sets out that two different methods for glucose level evaluation are equivalent if Pearsons coefficient is greater than 0.9751.
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Assessment method [1]
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Timepoint [1]
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All samples were drawn at the same time for accuracy determination. The correlation between different measurements was determined after the completion of the data collection phase, which is 3 months.
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Secondary outcome [1]
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Assessment of conformity in clinical management using results provided by different methods. This was performed based on the institution protocol (Anesthesiology Department of Federal University of Sao Paulo), using the latest capillary glucose level for comparison.
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Assessment method [1]
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Timepoint [1]
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All samples were drawn at the same time for accuracy determination. The assessment of conformity in clinical managemente using those results was performed after the completion of the data collection phase, which is 3 months.
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Eligibility
Key inclusion criteria
Inclusion criteria were: age = 18 years; presence of arterial and central venous line; intensive glycemic control according to the institution’s protocol and a signed informed consent.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Patients either with diabetes or hemodynamic instability not exclusively related to sepsis were excluded
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Study design
Purpose
Natural history
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Duration
Cross-sectional
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Selection
Convenience sample
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Timing
Prospective
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
1/05/2007
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Actual
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
40
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Accrual to date
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Final
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Recruitment outside Australia
Country [1]
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Brazil
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State/province [1]
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Funding & Sponsors
Funding source category [1]
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Self funded/Unfunded
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Name [1]
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Address [1]
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Country [1]
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Primary sponsor type
University
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Name
Anesthesiology Deparment - Federal University of São Paulo
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Address
R. Napoleão de Barros 715 5a andar Sao Paulo
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Country
Brazil
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Secondary sponsor category [1]
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None
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Name [1]
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Hospital Sao Paulo
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Ethics committee address [1]
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R Botucatu 572 cj 14 Sao Paulo, SP
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Ethics committee country [1]
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Brazil
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Date submitted for ethics approval [1]
5936
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Approval date [1]
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06/10/2006
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Ethics approval number [1]
5936
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CEP 1416/06
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Summary
Brief summary
Samples from patients with septic shock or from stable individuals without infection were collected. The correlation between measures was assessed by Pearson’s test, agreement by Bland and Altman test and accuracy by following the Clinical and Laboratory Standard Institute (CLSI) criteria, both in the global sample and in the subgroups on noradrenalin and with signs of tissue hypoperfusion.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Flavia Machado
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Address
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R. Napoleão de Barros 715 5a andar 04024900
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Country
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Brazil
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Phone
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55 11 55764069
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Fax
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5511 55757768
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Email
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[email protected]
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Contact person for scientific queries
Name
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Flavia Machado
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Address
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R. Napoleão de Barros 715 5a andar 04024900 Sao Paulo
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Country
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Brazil
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Phone
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55 11 55764069
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Fax
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Email
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[email protected]
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No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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