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Nexfin®-Monitoring System

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01362335
Recruitment Status : Completed
First Posted : May 30, 2011
Last Update Posted : January 16, 2013
Information provided by (Responsible Party):
A.F.Kalmar, University Medical Center Groningen

Tracking Information
First Submitted Date May 25, 2011
First Posted Date May 30, 2011
Last Update Posted Date January 16, 2013
Study Start Date May 2011
Actual Primary Completion Date September 2011   (Final data collection date for primary outcome measure)
Current Primary Outcome Measures
 (submitted: May 26, 2011)
haemodynamical changes after several surgical and anaesthesiological interventions. [ Time Frame: 30 minutes - 2 hours ]
Beat-to-beat determination of stroke volume, cardiac output, blood pressure and systemic resistance measurement
Original Primary Outcome Measures Same as current
Change History
Current Secondary Outcome Measures Not Provided
Original Secondary Outcome Measures Not Provided
Current Other Pre-specified Outcome Measures Not Provided
Original Other Pre-specified Outcome Measures Not Provided
Descriptive Information
Brief Title Nexfin®-Monitoring System
Official Title Electronic Registration of Noninvasively Acquired Hemodynamic Parameters Using Nexfin®-Monitoring System
Brief Summary

In many surgical procedures, anaesthesiological care is provided according to the best scientific and clinical information available. However, since hemodynamic monitoring until recently did not allow for beat-to-beat information of the haemodynamical changes, many fast-changing events may have been unnoticed or have not been investigated as precisely as is possible today. Moreover, in several surgical procedures - like eye surgery - the invasiveness of the classical haemodynamical monitoring devices was of such a degree that until now, in these circumstances these vital parameters were not investigated yet.

Therefore, the availability of this new device, which allows for noninvasive beat-to-beat assessment of these haemodynamical parameters gives a unique opportunity to investigate our anaesthesiological management and to elucidate whether improvements are desirable and possible.

The Nexfin monitor consists of a cuff-micromanometer that is located around the third finger. It simultaneously uses continuous pressure readings and light-absorption spectrometry to determine valuable haemodynamical information. Data is recorded and available for subsequent offline analysis.

Detailed Description Not Provided
Study Type Observational
Study Design Time Perspective: Prospective
Target Follow-Up Duration Not Provided
Biospecimen Not Provided
Sampling Method Non-Probability Sample
Study Population Adult patients, that are having a routine surgical procedure.
Condition Surgery
Intervention Not Provided
Study Groups/Cohorts patients, that are having a routine surgical procedure.
Publications * Vos JJ, Poterman M, Mooyaart EA, Weening M, Struys MM, Scheeren TW, Kalmar AF. Comparison of continuous non-invasive finger arterial pressure monitoring with conventional intermittent automated arm arterial pressure measurement in patients under general anaesthesia. Br J Anaesth. 2014 Jul;113(1):67-74. doi: 10.1093/bja/aeu091. Epub 2014 Apr 15.

*   Includes publications given by the data provider as well as publications identified by Identifier (NCT Number) in Medline.
Recruitment Information
Recruitment Status Completed
Actual Enrollment
 (submitted: May 26, 2011)
Original Estimated Enrollment Same as current
Actual Study Completion Date September 2011
Actual Primary Completion Date September 2011   (Final data collection date for primary outcome measure)
Eligibility Criteria

Inclusion Criteria:

  • Patients that are accepted for surgery

Exclusion Criteria:

  • Patients unable or unwilling to provide consent.
Sexes Eligible for Study: All
Ages 18 Years and older   (Adult, Older Adult)
Accepts Healthy Volunteers No
Contacts Contact information is only displayed when the study is recruiting subjects
Listed Location Countries Netherlands
Removed Location Countries  
Administrative Information
NCT Number NCT01362335
Other Study ID Numbers Nex-001
Has Data Monitoring Committee No
U.S. FDA-regulated Product Not Provided
IPD Sharing Statement Not Provided
Responsible Party A.F.Kalmar, University Medical Center Groningen
Study Sponsor University Medical Center Groningen
Collaborators Not Provided
Principal Investigator: Alain F Kalmar, Dr. University Medical Center Groningen
PRS Account University Medical Center Groningen
Verification Date January 2013