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Respiratory Distress Syndrome, AcuteNCT05991778

Bioelectrical Impedance in Monitoring Hyperhydration and Polyneuromyopathy in Critically Ill Patients

An observational study of Respiratory Distress Syndrome, Acute and Respiratory Insufficiency, run by University Hospital Ostrava at 1 site in Czechia.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This prospective, blinded observational clinical study was aimed to determine the effect of hyperhydration and muscle loss measured by Bioelectrical impedance vector analysis (BIVA) on mortality. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Bioelectrical impedance vector analysis (BIVA), Blood and urine analysis and cumulative water balance
Type of treatment
Medical device
How many people
61 participants
Where
1 siteCzechia
Study dates
1 Mar 2021to 31 May 2022
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Critically ill adult patients admitted to 24 beds ICU of the University Hospital with the development of ARDS and the assumption of at least 7 days of artificial lung ventilation (medical, trauma, surgical patients) at the time of admission to the ICU. Informed consent was obtained from the person legally responsible for the patient.

Who may be able to join

  • Patients with respiratory insufficiency, with the assumption of at least 7 days of artificial lung ventilation (medical, trauma, surgical patients)
  • Primary acute respiratory distress syndrome (ARDS) (pulmonary involvement): pneumonia, inhalation trauma, chest trauma (lung contusion), aspiration
  • Secondary ARDS (extrapulmonary): sepsis, shock states, acute pancreatitis, polytrauma, burns, non-cardiogenic shock, intoxication, TRALI (massive blood transfusion), drowning
  • Patients with acute exacerbation of chronic obstructive pulmonary disease (COPD)

Who cannot join

  • Patients with unfavorable prognosis
  • APACHE II ≥30
  • Metastatic malignancy
  • Conditions after cardiopulmonary resuscitation (KPCR) before admission
  • Cerebral edema
  • Brain trauma
Show all 10Show fewer
  • Intracranial hypertension
  • Liver cirrhosis
  • A pre-existing neurodegenerative disease
  • Patients with pacemakers, defibrillators, pregnancy (conditions contraindications to use of bio-electrical impedance).

Trial locations and contacts

1 site in 1 country.

Czechia1 site
  • University Hospital Ostrava

    Ostrava, Czech Republic, 70852

Other trials in Czechia

About this study

Official title: Bioelectrical Impedance Vector Analysis (BIVA) in Monitoring Hyperhydration and Polyneuromyopathy in Critically Ill Patients

This prospective, blinded observational clinical study was aimed to determine the effect of hyperhydration and muscle loss measured by Bioelectrical impedance vector analysis (BIVA) on mortality. The aim was to compare hydratation parameters measured by BIVA: OHY, Extracellular Water (ECW) / Total Body Wate (TBW) and quadrant, vector length, phase angle (PA) with cumulative fluid balance (CFB) recording (input-output) in their ability in predicting mortality as the abilities of the prognostic markers PA (BIVA), Acute Physiology and Chronic Health Evaluation II (APACHE II - score) and presepsin (serum Cluster of Differentiation (CD) 14-ST). The investigators also compared BIVA nutritional indicators (SMM, fat) with BMI and laboratory parameters (albumin, prealbumin and C-reactive protein (CRP) inflammation parameters) in the prediction of mortality. An important goal was to evaluate the usability of the BIVA method in critically ill patients on extracorporeal circulation, to compare the impedance data of the extracorporeal membrane oxygenation (ECMO) and non-ECMO groups.

Read the detailed description

Hyperhydration has a detrimental effect on mortality risk and morbidity, increases the risk of acute kidney failure, the need of renal replacement therapy (RRT), worsens recovery of renal functions and worsens lung injury (ALI), infectious complications, and causes prolonged artificial pulmonary ventilation (APV), the length of stay on Intensive care unit (ICU), and impairs wound healing.

Real-time assessment of fluid status and management of fluid administration in critically ill patients is challenging. Echocardiography can rapidly identify hemodynamic phenotypes, but it is rather intermittent than continuous methods and requires experienced and trained staff. Semi-invasive methods, based on stroke volume monitoring as the area under the arterial curve and variability of stroke volume variation (SVV) evaluate intravascular volume. However, these methods lack information about the interstitial fluid, part of extracellular water (ECW), or intracellular fluid water (ICW). This problem is partially solved by transpulmonary thermodilution with extravascular lung water (EVLW) measurement and lung ultrasound. Calculating the cumulative balance (CBF) is imprecise, especially in the area of fluid output for insensible losses or third-space fluid losses. Even more imprecise is the clinical assessment of peripheral edema and blood flow. And gold standard deuterium dilution methods for total body water (TBW) are not usable in daily practice in the ICU settings.

In addition to hyperhydration, the rapid loss of muscle tissue in critically ill patients has a negative impact on the course of the disease. Polyneuromyopathy affects up to 40 % of critically ill patients, patients in a severe catabolic state with an activated systemic inflammatory response (SIRS), with corticosteroid therapy, and immobilized on long-term artificial lung ventilation are at risk. Monitoring lean body mass, especially skeletal muscle mass (SMM), is still difficult. Anthropometric measurements and ultrasound measurements of the quadriceps muscles are not ideal because they are time-consuming and require well-trained staff. Some laboratory parameters such as albumin are likely to be influenced by inflammation (CRP), and hydration. Dual-energy X-ray absorptiometers (DEXA) using two different wavelengths of low-intensity X-rays give a relatively accurate picture of bone mass and soft tissues (fat-free mass, active mass, fat). However, repeated X-ray examination in immobilized critically ill patients is not the method of choice.

Bioelectrical impedance vector analysis (BIVA) is a simple, rapid, and noninvasive bedside technique, based on the principle that the flow of altering electrical current through a particular tissue differs depending on the content of water and electrolytes. It is thus able to measure body composition as skeletal muscle mass (SMM), and body cell mass (BCM), including total body water and extracellular water. And with the use of 50 frequencies of bioimpedance spectroscopy (BIS), it is possible to distinguish TBW, ECW, and from their different intracellular water, because only electric current with a frequency higher than 100 Hertz (Hz) passes through the cell membrane. However, the technique cannot distinguish between intravascular and interstitial volumes in the extracellular compartment. According to a number of studies, the results of bioimpedance parameters of body composition are comparable to DEXA. However, BIA overestimates the representation of muscle. An important parameter is the phase angle (PA), which detects a time delay of the passage of current through the cell membrane, i.e., a phase shift between the sinusoidal voltage and current waveforms. PA reflects BCM and serves as an important prognostic factor, with a normal value of 4-15°.

Of the laboratory markers, presepsin (PSEP) has prognostic significance. Presepsin, soluble Cluster of differentiation 14 (sCD14), is a glycoprotein expressed in the membranes of monocytes and macrophages in response to pathogen-associated molecular patterns (PAMPs: lipopolysaccharide, peptidoglycan) part of the bacterial wall or to other damage to cells - damage-associated molecular patterns (DAMPs). An interesting finding is its prognostic role, i.e. higher values in non-surviving patients, evaluated by a number of studies.

Being tested
Bioelectrical impedance vector analysis (BIVA), Blood and urine analysis, cumulative water balance
Keywords
Bioelectrical impedance, Hyperhydration, Critical care, Extracorporeal membrane oxygenation Mortality
Medical subject headings
Respiratory Distress Syndrome, Respiratory Insufficiency, Water Intoxication, Hypoxia, Shock, Septic

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Bioelectrical impedance vector analysis (BIVA)Device

    BIVA is a simple, rapid, and noninvasive method, based on the principle that the flow of altering electrical current through a particular tissue differs depending on the content of water and electrolytes, used for monitoring hydratation and nutritional status in critically ill patients.

  • Blood and urine analysisDiagnostic test

    For regular measurement in 2-3 terms, depending on the length of hospitalization (the first measurement took place within 48 hours of admission, followed one week after admission and the last before transport from the ICU): laboratory indicators of nutritional status will also be taken (albumin, prealbumin, creatinine), inflammation (C-reactive protein, presepsin) and 25-hydroxyvitamin D level.

  • cumulative water balanceDiagnostic test

    Cumulative balance is the sum of daily fluid balances during hospitalization.

Study groups in NCT05991778
Study groupRoleWhat they receive
Group of Patients who Survived (S)The group is defined by the number of patients who survived.
Receives: Device: Bioelectrical impedance vector analysis (BIVA); Diagnostic Test: Blood and urine analysis; Diagnostic Test: cumulative water balance
Group of Patients who Died (D)The group is defined by the number of patients who died.
Receives: Device: Bioelectrical impedance vector analysis (BIVA); Diagnostic Test: Blood and urine analysis; Diagnostic Test: cumulative water balance

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Body Mass (physique) - Bioelectrical impedance analysis (BIA)

    Bioelectrical impedance analysis (BIA) comparison of skeletal muscle mass, body fat and body water (expressed in %) in patients hospitalized in the ICU.

    Measured: The first within 48 hours of admission, the second one week after admission and third before transport from the ICU

  2. Body Mass (physique) - Phase Angle (PA)

    Assessment of the Phase angle (expressed in degrees) as a part of BIA in patients hospitalized in the ICU.

    Measured: The first within 48 hours of admission, the second one week after admission and third before transport from the ICU

  3. Body Mass (physique) - BIVA vector analysis (Cole Cole graf)

    Assessment of the BIVA vector analysis (Cole Cole graf, expressed as a optimal curve dependence of resistance on reactance always at a specific frequency, divided into quadrants) in patients hospitalized in the ICU.

    Measured: The first within 48 hours of admission, the second one week after admission and third before transport from the ICU

Secondary outcomes (3)
  1. Indicators of nutritional status (albumin, prealbumin)

    Assesment of indicators of nutritional status (albumin, prealbumin in g/l) in serum of patients admitted to Intensive Care Unit (ICU).

    Measured: The first within 48 hours of admission, the second one week after admission and third before transport from the ICU

  2. Indicator of inflammation (CRP)

    Assesment of indicator of inflammation (C-reactive protein in mg/L) in serum of patients admitted to Intensive Care Unit (ICU).

    Measured: The first within 48 hours of admission, the second one week after admission and third before transport from the ICU

  3. Indicator of inflammation - presepsin (PSEP)

    Assesment of indicator of inflammation measurements (presepsin in ng/L) in serum of patients admitted to Intensive Care Unit (ICU).

    Measured: The first within 48 hours of admission, the second one week after admission and third before transport from the ICU

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted15 Aug 2023
  2. Study start1 Mar 2021
  3. Primary completion31 May 2022
  4. Study completion31 May 2022

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
61 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05991778
Sponsor's protocol ID
KARIM-2022-BIVA
Other IDs
SGS09/LF/2022
Status last verified
Aug 2023
First submitted
27 Jul 2023
Last updated
15 Aug 2023
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No: There is no plan to share individual participant data with other researchers.

Publications

  • Vincent JL. Fluid management in the critically ill. Kidney Int. 2019 Jul;96(1):52-57. doi: 10.1016/j.kint.2018.11.047. Epub 2019 Mar 4.

    PubMed 30926137
  • Payen D, de Pont AC, Sakr Y, Spies C, Reinhart K, Vincent JL; Sepsis Occurrence in Acutely Ill Patients (SOAP) Investigators. A positive fluid balance is associated with a worse outcome in patients with acute renal failure. Crit Care. 2008;12(3):R74. doi: 10.1186/cc6916. Epub 2008 Jun 4.

    PubMed 18533029
  • RENAL Replacement Therapy Study Investigators; Bellomo R, Cass A, Cole L, Finfer S, Gallagher M, Lee J, Lo S, McArthur C, McGuiness S, Norton R, Myburgh J, Scheinkestel C, Su S. An observational study fluid balance and patient outcomes in the Randomized Evaluation of Normal vs. Augmented Level of Replacement Therapy trial. Crit Care Med. 2012 Jun;40(6):1753-60. doi: 10.1097/CCM.0b013e318246b9c6.

    PubMed 22610181
  • National Heart, Lung, and Blood Institute Acute Respiratory Distress Syndrome (ARDS) Clinical Trials Network; Wiedemann HP, Wheeler AP, Bernard GR, Thompson BT, Hayden D, deBoisblanc B, Connors AF Jr, Hite RD, Harabin AL. Comparison of two fluid-management strategies in acute lung injury. N Engl J Med. 2006 Jun 15;354(24):2564-75. doi: 10.1056/NEJMoa062200. Epub 2006 May 21.

    PubMed 16714767
  • Wang N, Jiang L, Zhu B, Wen Y, Xi XM; Beijing Acute Kidney Injury Trial (BAKIT) Workgroup. Fluid balance and mortality in critically ill patients with acute kidney injury: a multicenter prospective epidemiological study. Crit Care. 2015 Oct 23;19:371. doi: 10.1186/s13054-015-1085-4.

    PubMed 26494153
  • Malbrain MLNG, Langer T, Annane D, Gattinoni L, Elbers P, Hahn RG, De Laet I, Minini A, Wong A, Ince C, Muckart D, Mythen M, Caironi P, Van Regenmortel N. Intravenous fluid therapy in the perioperative and critical care setting: Executive summary of the International Fluid Academy (IFA). Ann Intensive Care. 2020 May 24;10(1):64. doi: 10.1186/s13613-020-00679-3.

    PubMed 32449147
  • Nunes TS, Ladeira RT, Bafi AT, de Azevedo LC, Machado FR, Freitas FG. Duration of hemodynamic effects of crystalloids in patients with circulatory shock after initial resuscitation. Ann Intensive Care. 2014 Aug 1;4:25. doi: 10.1186/s13613-014-0025-9. eCollection 2014.

    PubMed 25593742
  • Magder S. Volume and its relationship to cardiac output and venous return. Crit Care. 2016 Sep 10;20(1):271. doi: 10.1186/s13054-016-1438-7.

    PubMed 27613307
  • Messmer AS, Zingg C, Muller M, Gerber JL, Schefold JC, Pfortmueller CA. Fluid Overload and Mortality in Adult Critical Care Patients-A Systematic Review and Meta-Analysis of Observational Studies. Crit Care Med. 2020 Dec;48(12):1862-1870. doi: 10.1097/CCM.0000000000004617.

    PubMed 33009098
  • Silversides JA, Perner A, Malbrain MLNG. Liberal versus restrictive fluid therapy in critically ill patients. Intensive Care Med. 2019 Oct;45(10):1440-1442. doi: 10.1007/s00134-019-05713-y. Epub 2019 Aug 9. No abstract available.

    PubMed 31399779
  • Vincent JL, Sakr Y, Sprung CL, Ranieri VM, Reinhart K, Gerlach H, Moreno R, Carlet J, Le Gall JR, Payen D; Sepsis Occurrence in Acutely Ill Patients Investigators. Sepsis in European intensive care units: results of the SOAP study. Crit Care Med. 2006 Feb;34(2):344-53. doi: 10.1097/01.ccm.0000194725.48928.3a.

    PubMed 16424713
  • Jones SL, Tanaka A, Eastwood GM, Young H, Peck L, Bellomo R, Martensson J. Bioelectrical impedance vector analysis in critically ill patients: a prospective, clinician-blinded investigation. Crit Care. 2015 Aug 12;19(1):290. doi: 10.1186/s13054-015-1009-3.

    PubMed 26260579
  • De Backer D, Aissaoui N, Cecconi M, Chew MS, Denault A, Hajjar L, Hernandez G, Messina A, Myatra SN, Ostermann M, Pinsky MR, Teboul JL, Vignon P, Vincent JL, Monnet X. How can assessing hemodynamics help to assess volume status? Intensive Care Med. 2022 Oct;48(10):1482-1494. doi: 10.1007/s00134-022-06808-9. Epub 2022 Aug 10.

    PubMed 35945344
  • Michard F, Teboul JL. Predicting fluid responsiveness in ICU patients: a critical analysis of the evidence. Chest. 2002 Jun;121(6):2000-8. doi: 10.1378/chest.121.6.2000.

    PubMed 12065368
  • Perren A, Markmann M, Merlani G, Marone C, Merlani P. Fluid balance in critically ill patients. Should we really rely on it? Minerva Anestesiol. 2011 Aug;77(8):802-11.

    PubMed 21730928

Questions about this trial

What is this clinical trial studying?

An observational study of Respiratory Distress Syndrome, Acute and Respiratory Insufficiency, run by University Hospital Ostrava at 1 site in Czechia.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 15 Aug 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Czechia. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Body Mass (physique) - Bioelectrical impedance analysis (BIA) (time frame: The first within 48 hours of admission, the second one week after admission and third before transport from the ICU). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT05991778, which also lists 67 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 15 Aug 2023.

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