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Fluid Immersion Simulation (FIS) System Versus Air Fluidized Bed (AFB) System for Pressure Ulcers

A Prospective, Randomized Controlled Trial Evaluating the Effectiveness of the Fluid Immersion Simulation (FIS) System Versus Air Fluidized Bed (AFB) System in the Acute Post-Operative Management of Surgically Closed Pressure Ulcers

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03522714
Enrollment
80
Registered
2018-05-11
Start date
2015-08-08
Completion date
2020-12-01
Last updated
2026-04-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pressure Ulcer

Keywords

support, flap, pressure, surface, closure, ulcer

Brief summary

The primary objective is to compare the efficacy of the FIS on closure rate to the AFB after 2 weeks of operative debridement and closure.

Detailed description

Secondary Objectives: 1. Compare the complication rate in each treatment group during the acute postoperative period (2 weeks). 2. Comparisons of the inflammatory and bacterial microbiomes of pressure ulcers following surgical therapy. 3. Comparisons of baseline patient characteristics and their relationship to both early and late pressure ulcer recurrence, and complication rates. 4. Assessment of outcomes and complications associated with flap technique and surgeon guided descriptions of the operative closure. 5. Compare the absolute costs associated with the FIS System against AFB system. 6. Compare the acceptance of each system by subjects and nursing staff, including the parameter of patient comfort at 7 and 14 days postoperative. 7. Assessing the incidence of complications and additional treatments needed following the two week study period.

Interventions

DEVICEFluid Immersion Simulation System

Dolphin Fluid Immersion Simulation® System Mattress will be used

DEVICEAir Fluidized Bed System

Air Fluidized Bed (Clinitron) will be used.

Sponsors

Northwestern University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

1:1 allocation ratio

Eligibility

Sex/Gender
ALL
Age
18 Years to 85 Years
Healthy volunteers
No

Inclusion criteria

1. will be admitted as an inpatient 2. is ≥ 18 years of age and ≤ 85 years of age at time of consent 3. is able to provide his/her own informed consent 4. is deemed by the investigators to be reasonably compliant 5. has a pressure ulcer meeting criteria for stage III or IV 6. has not participated in a clinical trial within the past 30 days 7. has a 30-day wound history available if the wound has been previously treated

Exclusion criteria

1. has a life expectancy of \< 12 months 2. is not healthy enough to undergo surgery for any reason 3. has a history of radiation therapy 4. is, in the opinion of the investigator, noncompliant 5. has a history of \> 3 closures of pressure ulcers in the same site 6. has a history of a bleeding disorder 7. has severe fecal incontinence

Design outcomes

Primary

MeasureTime frameDescription
Percentage of Participants With Successful Closure of Wound at 2 Weeks After Surgery2 weeksComparison of successful closure of wound at 2 weeks after surgery between treatment groups.

Secondary

MeasureTime frameDescription
Number of Participants With Complications2 weeksComparison of complication rate, including dehiscence, necrosis, maceration, and seromas between treatment groups. These are gathered via the patient's medical chart and interaction with the Principle Investigator (their physician).
Differences in Quantitative Patient Survey Responses: Acceptability2 weeksDifferences in quantitative patient survey responses regarding acceptability. This scale includes three subscales: 1) comfort, 2) difficulty with mobilization, and 3) pain at surgical site. Each subscale is graded on a scale of 1-5 with 1 being "better" (i.e. very comfortable, no difficulty, or no pain) and 5 being "worse" (i.e. very uncomfortable, extreme difficulty, or extreme pain). Subscales will be combined to compute a total score by averaging the sum of each of the three subscales. The total score indicates patient acceptability on a scale of 1-5 with 1 being "better" (very acceptable) and 5 being "worse" (not acceptable).
Differences in Quantitative Nurse Survey Responses2 weeksDifferences in quantitative nurse survey responses regarding acceptability and tolerance of each therapeutic modality, including patient comfort. This survey includes three subscales: 1) ease of use, 2) amount of training required, and 3) Time Required for Troubleshooting or Otherwise Occupied by Device. Each subscale is graded on a scale of 1-5 with 1 being "better" (i.e. no difficulty, no training, or no time) and 5 being "worse" (i.e. extreme difficulty, very high amount of training, or \>30 minutes a day). Subscales will be combined to compute a total score by averaging the sum of each of the three subscales. The total score indicates nurse acceptability on a scale of 1-5 with 1 being "better" (very acceptable) and 5 being "worse" (not acceptable).

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORRobert D Galiano, MD

Northwestern Medicine

Participant flow

Participants by arm

ArmCount
Fluid Immersion Simulation System (FIS)
Pressure ulcer patients are assigned to Fluid Immersion Simulation System (Dolphin) after operative debridement and closure. Fluid Immersion Simulation System: Dolphin Fluid Immersion Simulation® System Mattress will be used
38
Air Fluidized Bed System (AFB)
Pressure ulcer patients are assigned to Air Fluidized Bed (Clinitron) after operative debridement and closure Air Fluidized Bed System: Air Fluidized Bed (Clinitron) will be used.
42
Total80

Baseline characteristics

CharacteristicTotalAir Fluidized Bed System (AFB)Fluid Immersion Simulation System (FIS)
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
0 Participants0 Participants0 Participants
Age, Categorical
Between 18 and 65 years
80 Participants42 Participants38 Participants
Age, Continuous48.48 years
STANDARD_DEVIATION 13.37
47.45 years
STANDARD_DEVIATION 42
49.61 years
STANDARD_DEVIATION 13.75
Race/Ethnicity, Customized
African American
25 participants15 participants10 participants
Race/Ethnicity, Customized
Hispanic
7 participants6 participants1 participants
Race/Ethnicity, Customized
Other
1 participants1 participants0 participants
Race/Ethnicity, Customized
White
47 participants20 participants27 participants
Region of Enrollment
United States
80 participants42 participants38 participants
Sex: Female, Male
Female
27 Participants12 Participants15 Participants
Sex: Female, Male
Male
53 Participants30 Participants23 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
4 / 382 / 42
other
Total, other adverse events
22 / 3810 / 42
serious
Total, serious adverse events
0 / 381 / 42

Outcome results

Primary

Percentage of Participants With Successful Closure of Wound at 2 Weeks After Surgery

Comparison of success of closure between treatment groups.

Time frame: 2 weeks

ArmMeasureValue (NUMBER)
Fluid Immersion Simulation System (FIS)Percentage of Participants With Successful Closure of Wound at 2 Weeks After Surgery85.7142857 percent of participants
Air Fluidized Bed System (AFB)Percentage of Participants With Successful Closure of Wound at 2 Weeks After Surgery87.5 percent of participants
Secondary

Differences in Quantitative Nurse Survey Responses

Differences in quantitative nurse survey responses regarding acceptability and tolerance of each therapeutic modality, including patient comfort. This survey includes three subscales: 1) ease of use, 2) amount of training required, and 3) Time Required for Troubleshooting or Otherwise Occupied by Device. Each subscale is graded on a scale of 1-5 with 1 being better (i.e. no difficulty, no training, or no time) and 5 being worse (i.e. extreme difficulty, very high amount of training, or \>30 minutes a day). Subscales will be combined to compute a total score by averaging the sum of each of the three subscales. The total score indicates nurse acceptability on a scale of 1-5 with 1 being better (very acceptable) and 5 being worse (not acceptable).

Time frame: 2 weeks

ArmMeasureValue (MEAN)
Fluid Immersion Simulation System (FIS)Differences in Quantitative Nurse Survey Responses1.49 Scores on a scale
Air Fluidized Bed System (AFB)Differences in Quantitative Nurse Survey Responses1.72 Scores on a scale
Secondary

Differences in Quantitative Patient Survey Responses: Acceptability

Differences in quantitative patient survey responses regarding acceptability. This scale includes three subscales: 1) comfort, 2) difficulty with mobilization, and 3) pain at surgical site. Each subscale is graded on a scale of 1-5 with 1 being better (i.e. very comfortable, no difficulty, or no pain) and 5 being worse (i.e. very uncomfortable, extreme difficulty, or extreme pain). Subscales will be combined to compute a total score by averaging the sum of each of the three subscales. The total score indicates patient acceptability on a scale of 1-5 with 1 being better (very acceptable) and 5 being worse (not acceptable).

Time frame: 2 weeks

ArmMeasureValue (MEAN)
Fluid Immersion Simulation System (FIS)Differences in Quantitative Patient Survey Responses: Acceptability2.08 Scores on a scale
Air Fluidized Bed System (AFB)Differences in Quantitative Patient Survey Responses: Acceptability2.06 Scores on a scale
Secondary

Number of Participants With Complications

Comparison of complication rate, including dehiscence, necrosis, maceration, and seromas between treatment groups. These are gathered via the patient's medical chart and interaction with the Principle Investigator (their physician).

Time frame: 2 weeks

ArmMeasureGroupValue (NUMBER)
Fluid Immersion Simulation System (FIS)Number of Participants With ComplicationsComplications Prior to ClimateCare introduction8 Participants
Fluid Immersion Simulation System (FIS)Number of Participants With ComplicationsComplications Following ClimateCare introduction17 Participants
Air Fluidized Bed System (AFB)Number of Participants With ComplicationsComplications Prior to ClimateCare introduction15 Participants
Air Fluidized Bed System (AFB)Number of Participants With ComplicationsComplications Following ClimateCare introduction20 Participants

Source: ClinicalTrials.gov · Data processed: Apr 29, 2026