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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT06097923
Other study ID # BIA_03
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date November 30, 2021
Est. completion date December 31, 2022

Study information

Verified date October 2023
Source Seoul St. Mary's Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Precise assessment of postoperative volume status is important to administrate optimal fluid management. Bioelectrical impedance analysis (BIA) which measures the body composition using electric character. Extracellular water (ECW) ratio by BIA represented as the ratio of ECW to total body water (TBW) and is known to reflect the hydration status. Based on this, we aimed to determine whether aggressive fluid control using ECW ratio could improve clinical outcomes through a single blind, randomized controlled trial.


Description:

Critically ill patients admitted to an intensive care unit (ICU) after surgery have commonly experienced a large amount of wide organ injury and profuse bleeding resulting in vessel damage during surgery. Severe systemic inflammatory reactions and pathophysiological stress could consequently occur in these patients. For patients in an acute postoperative phase, it is important to maintain organ perfusion by correcting hemodynamic instability through fluid resuscitation. Bioelectrical impedance analysis (BIA), a non-invasive method, is useful for quantitatively measuring body composition such as body fat and muscle mass. It is also useful for evaluating volume status based on resistance and reactance of cells known to have different electrical conductivity according to biological characteristics of body composition. In our previous study using BIA, the results showed that changes in ECW ratio after surgery were related to conventional parameters of overhydrated status such as daily fluid balance or capillary leak index (CLI). In addition, overhydration with value of ECW ratio above 0.390 on 3rd postoperative day appeared to be a risk factor for postoperative morbidity and mortality. Herein, we aim to set the ECW ratio as a guideline for postoperative volume status and confirm a hypothesis that active intervention with fluid management to control the ECW ratio by BIA could lower clinical outcomes in patients with fluid imbalance through a prospective randomized controlled study.


Recruitment information / eligibility

Status Completed
Enrollment 200
Est. completion date December 31, 2022
Est. primary completion date December 31, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Patients admitted to the surgical ICU after surgery under general anesthesia regardless of the type of surgery - Patients who showed abnormal range of baseline ECW ratio by BIA (less than 0.390 or more than 0.405) that measured at the time of ICU admission Exclusion Criteria: - aged under 18 years - underwent surgery under local or regional anesthesia - pregnant - had bone fixation or underwent limb amputation - had any prosthetic medical devices such as pacemaker or metallic intravascular device - stayed in ICU for less than 48 hours - readmitted within 48 hours after ICU discharge - diagnosed with renal failure and receiving renal replacement therapy - underwent extracorporeal membrane oxygenation treatment before surgery - agreed for do-not-resuscitate

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Active fluid management with BIA monitoring
The participants in active fluid management with BIA monitoring arm received fluid supplementation targeting specific range of ECW ratio by BIA (0.390-0.406). If a patient with dehydrated status indicated by the ECW ratio was less than 0.390, a bolus infusion was performed using 250ml of crystalloid fluid (PlasmaLyte). If a patient with overhydrated status indicated by the ECW ratio was more than 0.406, 10mg of furosemide was administered. Changes in the ECW ratio were measured at one hour after initial intervention for fluid adjustment, and these processes continued until the ECW ratio was within the normal range (0.390-0.406).
Conventional fluid management without BIA monitoring
The participants in conventional fluid management without BIA monitoring arm underwent conventional fluid management without specific targets of ECW ratio by BIA.

Locations

Country Name City State
Korea, Republic of Division of Trauma and Surgical Critical Care, Department of Surgery, Seoul St. Mary's Hospital Seoul Seocho-gu, Banpo-dong Banpodaero 222

Sponsors (1)

Lead Sponsor Collaborator
Seoul St. Mary's Hospital

Country where clinical trial is conducted

Korea, Republic of, 

Outcome

Type Measure Description Time frame Safety issue
Primary In-hospital mortality rate Proportion of patients who died during the hospitalization period among participants Participants were followed upto 28th day after surgery
Secondary Incidence of postoperative morbidities Proportion of patients who experienced postoperative complications among participants Participants were followed upto 28th day after surgery
Secondary 28-day mortality rate Proportion of patients who died within 28 days after surgery among participants Participants were followed upto 28th day after surgery
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