Development and validation of a vein assessment tool (VAT)

Webster, Joan, Morris, Helen-Louise, Robinson, Katherine, & Sanderson, Ursula (2007) Development and validation of a vein assessment tool (VAT). Australian Journal of Advanced Nursing, 24(4), pp. 5-7.

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Objective: To assess the face validity and the inter-rater reliability of the Vein Assessment Tool (VAT) for classifying veins according to their level of intravenous insertion difficulty. Design: Prospective observational study. Participants: Eight Nurses and two radiographers from the Medical Imaging Department and five nurses from the Haematology Day Patient Unit of a large tertiary hospital. Intervention: Assessments of veins in the upper limb were undertaken independently by nurses from two departments of a major tertiary hospital.
Main outcome measure: Level of inter-rater agreement, assessed using intraclass correlation coefficients (ICC). Results: A total of 125 independent assessments were made by 15 nurses. The mean percentage agreement between raters from Medical Imaging was 84% (SD 10.7; range 60% to 100%) and between raters from Oncology was 92% (SD 17.9; range 60% to 100%). The inter-rater reliability was very high for the ten medical imaging raters 0.83 [95% confidence interval (CI) = 0.61–0.95] and for the Oncology raters 0.93 [95% CI = 0.77–0.99]. Conclusion. The Vein Assessment Tool (VAT) has been validated by a sample of nurses with cannulating experience. Following broader testing it may be useful for research studies or by nurses who wish to objectively describe the condition of a vein for clinical purposes.

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5 citations in Scopus
5 citations in Web of Science®
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ID Code: 11167
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: (MeSH Terms) Catheterization, peripheral, Reproducibility of results, (Keywords) Vein cannulation, vein quality, inter, rater reliability
ISSN: 0813-0531
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > NURSING (111000)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Copyright Owner: Copyright 2007 Australian Nursing Federation
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher
Deposited On: 10 Dec 2007 00:00
Last Modified: 29 Feb 2012 13:37

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