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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT03114345
Other study ID # 9830
Secondary ID
Status Terminated
Phase N/A
First received
Last updated
Start date November 22, 2017
Est. completion date November 22, 2019

Study information

Verified date December 2021
Source University Hospital, Montpellier
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Paraplegic patients have defective wound healing for sore below the level of spinal lesion. Defect of vascularization of the healing zone certainly participate to this effect. Therefore, this study want to measure, in a clinical settings, the interface pressure (e.g. the pressure between the patient body and the surface he/she is lying on) to assess the correlation between mechanical stress in term of pressure applied over time and tissue oxygenation which represent micro-vascular function. The aim of this clinical trial is to correlate the variations of pressure intensities and changes in micro-vascularization. The measure are recorded when paraplegic patient came into the hospital for pressure ulcer related surgery. The patient is laying on his/her mattress on top of a flexible pressure mapping device. The micro-vascularization parameters are measured at the area displaying the peak pressure a few minutes after the beginning of the pressure interface recording and one hour later at the same area. The data generated during this monocentric study will help to achieve a better understanding of the relation between pressure and micro-vascularization. In the mid term, it will provide a better and more patient adapted pressure ulcer prevention.


Recruitment information / eligibility

Status Terminated
Enrollment 4
Est. completion date November 22, 2019
Est. primary completion date November 22, 2019
Accepts healthy volunteers No
Gender All
Age group 18 Years to 100 Years
Eligibility Inclusion Criteria: - Educated consent signed, - Older than 18, - Paraplegia for at least 6 months, - Surgery planned for pressure ulcer resection, Exclusion Criteria: - Dementia, - Stade IV arteritis non-revascularisable, - Patient with no health insurance, - Pregnant women or breast-feeding, patient unable to give his or her educated consent, ward of the state (art. L.1121-6, L.1121-7, L.1211-8, L.1211-9), - Patient taking part in another study which could impact the local micro-vascularization.

Study Design


Intervention

Other:
Measurement of interface pressure
A capacitive pressure mapping device (XSensor) is set up on the patient air mattress bed. It records the interface pressure on the whole patient body with one frame every second during one hour. Then the file is saved and the pressure mapping device is removed from the patient hospital bedroom.
Measurement of micro-vascularization related parameters
A medical device called O2C, measuring micro-vascularization related parameters (oxygen saturation, hemoglobin quantity and blood flow) is used. The probe (= an optic fibre) is set up lightly on the patient skin or on a transparent adhesive for 1 minute. The median value of the local micro-vascularization parameters are saved on the O2C interface. The location of the measurement is chosen using the pressure mapping device to locate peak pressure area. Then the O2C is removed from the patient hospital bedroom.

Locations

Country Name City State
France University Regional Hospital Lapeyronie Montpellier Languedoc-Roussillon

Sponsors (3)

Lead Sponsor Collaborator
University Hospital, Montpellier Hill-Rom, Institut National de la Santé Et de la Recherche Médicale, France

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Measure of the pressure intensity in one area Pressure intensity is recorded using a mapping pressure device (XSensor), set up on the patient hospital bed. Hemoglobin quantity is measured the same day, at a precise area identified on the pressure mapping device (peak pressure), using the O2C - a micro-vascularization device. All measure are non-invasive. Measurements are done the same date as the inclusion, during the patient hospitalization for his/her pressure ulcer related surgery.
Primary Measure of the hemoglobin quantity in the same area Hemoglobin quantity is measured the same day, at a precise area identified on the pressure mapping device (peak pressure), using the O2C - a micro-vascularization device. All measure are non-invasive. Measurements are done the same date as the inclusion, during the patient hospitalization for his/her pressure ulcer related surgery.
Secondary Measure of other micro-vascularization related parameters (such as the oxygen saturation and the blood flow) recorded at the same area. All micro-vascularization related parameters are measured the same day, at a precise area identified on the pressure mapping device (peak pressure), using the O2C - a micro-vascularization device. All measure are non-invasive. Measurements are done the same date as the inclusion, during the patient hospitalization for his/her pressure ulcer related surgery.
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