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Ability of non-invasive intermittent blood pressure monitoring and a continuous non-invasive arterial pressure monitor (CNAP(™) ) to provide new readings in each 1-min interval during elective caesarean section under spinal anaesthesia.
MedLine Citation:
PMID:  22321084     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
We compared the ability of automated non-invasive intermittent oscillometric blood pressure monitoring with a new device, CNAP(TM) (continuous non-invasive arterial pressure) to provide a new blood pressure reading in each 1-min interval between spinal anaesthesia and delivery during caesarean section. We also compared the accuracy of continuous non-invasive arterial pressure readings with non-invasive blood pressure measurements before spinal anaesthesia. Fifty-nine women participated. The non-invasive and continuous non-invasive monitors displayed new blood pressure readings in a mean of 82% (11%) and 83% (13%) (p = 0.97) of the one-minute intervals between spinal anaesthesia and delivery, respectively. Continuous non-invasive arterial pressure was more likely to fail on two or more consecutive minutes (p = 0.001). From the pre-spinal readings, the mean bias, defined as non-invasive - continuous non-invasive arterial pressure, and limits of agreement (±2SD mean bias) for systolic, diastolic and mean blood pressure respectively were +1.3 (±26.0), -2.9 (±21.8) and +2.6 (±20.4) mmHg. The new monitor has disadvantages compared with conventional non-invasive intermittent blood pressure monitoring.
Authors:
T McCarthy; N Telec; A Dennis; J Griffiths; A Buettner
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Anaesthesia     Volume:  67     ISSN:  1365-2044     ISO Abbreviation:  Anaesthesia     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-02-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370524     Medline TA:  Anaesthesia     Country:  England    
Other Details:
Languages:  eng     Pagination:  274-9     Citation Subset:  AIM; IM    
Copyright Information:
Anaesthesia © 2012 The Association of Anaesthetists of Great Britain and Ireland.
Affiliation:
Registrar  Consultant, Department of Anaesthesia, The Royal Women's Hospital, Melbourne, Australia  Clinical Associate Professor, Department of Pharmacology, University of Melbourne, Australia.
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