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A comparison of continous non-invasive arterial pressure with invasive radial and femoral pressure in patients undergoing cardiac surgery.
MedLine Citation:
PMID:  23254164     Owner:  NLM     Status:  Publisher    
BACKGROUND: Non-invasive continous monitoring of finger arterial pressure has gained increasing interest. The aim of the present study was to compare the accuracy of non-invasive reconstructed brachial artery pressure by the Nexfin™ device (NFAP) with invasive femoral (IFAP) and radial (IRAP) artery pressure before and after cardiopulmonary bypass (CPB). METHODS:Fifty patients scheduled for elective coronary surgery were studied before and after CPB, respectively. Each patient was monitored with the non-invasive system, and both an indwelling femoral and radial arterial catheter. A passive leg raising maneuver was also performed before and after CPB. Measurements included mean (MAP), systolic (SAP) and diastolic (DAP) arterial pressure by NFAP (MAP,SAP,DAPNFAP), IFAP (MAP,SAP,DAPIFAP) and IRAP (MAP,SAP,DAPIRAP). Percentage changes of MAP for all measurement sites were also calculated. RESULTS:There was a moderate correlation between MAPNFAP and MAPIFAP both before (r=0.64, p<0.0001) and after (r=0.57, p<0.0001) CPB, with a percentage error (PE) of 29% and 27%, respectively. Correlation coefficients between MAPNFAP and MAPIRAP were r=0.53, p<0.0001 (PE 34%) before and r=0.54, p<0.0001 (PE 29%) after CPB. There was a significant correlation in percentage changes between GMAPNFAP and GMAPIFAP before (r=0.70, p<0.0001) and after (r=0.71, p<0.0001) CPB and for GMAPNFAP and GMAPIRAP (r=0.67, p<0.0001; r=0.74, p<0.0001), respectively. CONCLUSION: Non-invasive, reconstructed brachial artery pressure showed moderate correlation compared with both invasive femoral and radial artery pressure. Furthermore, the non-invasive monitoring system was able to reflect percentage changes in mean arterial pressure in a moderate fashion.
O Broch; B Bein; M Gruenewald; A Carstens; C Illies; F Schöneich; M Steinfath; J Renner
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-20
Journal Detail:
Title:  Minerva anestesiologica     Volume:  -     ISSN:  1827-1596     ISO Abbreviation:  Minerva Anestesiol     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375272     Medline TA:  Minerva Anestesiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
University Hospital Schleswig-Holstein, Campus Kiel, Department of Anesthesiology and Intensive Care Medicine, Kiel, Germany -
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