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Impedance Measurements in Heart Failure Patients (SIM-HF)

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: NCT01509495
Recruitment Status : Terminated (Enrollment rate too low; rate much under estimation of sponsor and investigators)
First Posted : January 13, 2012
Last Update Posted : July 4, 2014
Information provided by (Responsible Party):
Medtronic BRC

Brief Summary:
The purpose of this study is to measure impedance during inpatient treatment.

Condition or disease Intervention/treatment Phase
Heart Failure Device: Akern BIA101 and Custom Device Phase 1

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 20 participants
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Diagnostic
Official Title: Impedance Measurements in Heart Failure Patients
Study Start Date : December 2011
Actual Primary Completion Date : May 2014
Actual Study Completion Date : May 2014

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Heart Failure

Intervention Details:
  • Device: Akern BIA101 and Custom Device
    Impedance Measurement every 4 hours

Primary Outcome Measures :
  1. Impedance Measurement of Patients in Heart Failure, impedance change first to last measurement [ Time Frame: every 4 hours up to 48 hours ]

Secondary Outcome Measures :
  1. Accuracy of Respiratory rate determined by impedance measurements [ Time Frame: every 4 hours up to 48 hours ]
  2. Correlation between hemodynamic (central venous or arterial pressure) and impedance measurements (optional) [ Time Frame: every 4 hours up to 48 hours ]

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • patients admitted to hospital for symptoms of congestive heart failure
  • patients older than 18 years
  • patients willing and able to give informed consent

Exclusion Criteria:

  • patients who will require adrenergic or positive inotropic medications
  • patients enrolled in a concurrent study that may confound the results of this study
  • patients unable or unwilling to participate in study procedures
  • patients who are pregnant
  • patients who are mentally handicapped or legal incompetent
  • patients who are dependent on investigator or sponsor

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01509495

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Czech Republic
Nemocnice Na Homolce
Praha, Czech Republic, 15030
Universitätsklinik Würzburg, Medizinische Klinik und Poliklinik I
Würzburg, Franken, Germany, 97080
Bratislava, Slovakia, 83348
Sponsors and Collaborators
Medtronic BRC
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Principal Investigator: Sebastian KG Maier, Prof. Klinikum St. Elisabeth Straubing, Med. Klinik II, St.-Elisabeth-Str. 23, 94315 Straubing, Germany
Principal Investigator: Eva Goncalvesova, Prof. NUSCH, Cardiac Surgery, Pod Krasnou horkou 1, 83348 Bratislava, Slovakia
Principal Investigator: Petr Neuzil, Prof. Nemocnice Na Homolce, Cardiology, Roentgenova 2/37, 150 30 Praha 5, Czechia

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Responsible Party: Medtronic BRC Identifier: NCT01509495     History of Changes
Other Study ID Numbers: RAE00564
First Posted: January 13, 2012    Key Record Dates
Last Update Posted: July 4, 2014
Last Verified: May 2014
Keywords provided by Medtronic BRC:
Heart Failure
Additional relevant MeSH terms:
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Heart Failure
Heart Diseases
Cardiovascular Diseases