| Clinical validation of a continuous non-invasive haemodynamic monitor (CNAP™ 500) during general anaesthesia. | |
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MedLine Citation:
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PMID: 22307242 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: /st>We conducted a prospective study to test the validity of a new continuous non-invasive blood pressure (NIBP) monitor (CNAP) (CNAP™ Monitor 500). METHODS: /st>One hundred patients undergoing elective surgery under general anaesthesia were included in the study after informed written consent. The CNAP finger cuffs were placed on the fingers of one arm, an arterial catheter was inserted into the same arm and data were recorded simultaneously. Agreement between invasive arterial pressure (IAP) and blood pressure obtained by CNAP was compared using the Bland-Altman method for repeated measurements. The data from the first 50 patients (software V3.0) were used to improve the software of the CNAP (software V3.5), which was then evaluated in another 50 patients. We defined a clinically acceptable agreement according to the standards of the American Association for the Advancement of Medical Instrumentation for NIBP measurements [limits of agreement (LOA) ±15 mm Hg]. RESULTS: /st>We analysed 524 878 paired measurements in 100 patients. The mean bias of the mean arterial pressure in the first 50 patients was -2.9 mm Hg (sd 10.6 mm Hg, LOA -23.7 to 17.9 mm Hg), and in the consecutive 50 patients (using software V3.5) the bias was -3.1 mm Hg (sd 9.5 mm Hg, LOA -21.6 to 15.4 mm Hg). CONCLUSIONS: /st>The new CNAP monitor showed an agreement with the IAP that is promising but did not match our predefined criteria. |
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Authors:
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R Hahn; H Rinösl; M Neuner; S C Kettner |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-2-3 |
Journal Detail:
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Title: British journal of anaesthesia Volume: - ISSN: 1471-6771 ISO Abbreviation: - Publication Date: 2012 Feb |
Date Detail:
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Created Date: 2012-2-6 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0372541 Medline TA: Br J Anaesth Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Anaesthesia, General Intensive Care and Pain Control, Medical University of Vienna, Waehringer Guertel 18-20, Vienna A-1090, Austria. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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