Brain Ischemia Clinical Trial
— PerfIRMAVCOfficial title:
Évaluation en IRM (séquence ASL) de la Variation de Perfusion cérébrale liée à la Position Corporelle.
NCT number | NCT02912546 |
Other study ID # | 16/B/03 |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | October 2016 |
Est. completion date | September 5, 2019 |
Verified date | March 2021 |
Source | University Hospital Center of Martinique |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Postural changes are commonly used as therapeutic maneuver to enhance or reduce cerebral perfusion. For instance, in acute stroke, the patient can be positioned in head down tilt position so as to increase perfusion of cerebral tissues perfusion. In During stroke and in hypertensive patients and during stroke, varying degrees a various loss of cerebral autoregulation is loss are usually observed. The aim of this study is to assess cerebral perfusion with ASL perfusion in human subjects in different conditions: healthy, hypertensive and stroke.
Status | Completed |
Enrollment | 34 |
Est. completion date | September 5, 2019 |
Est. primary completion date | December 2017 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 30 Years to 70 Years |
Eligibility | Inclusion Criteria: 1. Group of stroke patients: - Patients between 40 and 70 years old, male or female - With supratentorial ischemia in subacute phase (> H24) - Patients with a recent ischemic stroke with an intracranial hemodynamic unstable and kept lying with head down of about 30 - Patient given free and informed consent to participate in research or a family representative - Patient insured under the French social security system 2. Control Group: 1- Group of patients with Hypertension. - Patients between 40 and 70 years old, matched for age and sex to stroke patients. - With a hypertension diagnosed since 10 years old. - Hypertension defined as three recommendations (OMS 1999, ANAES 1997 JNC VI): blood pressure 140 and / or 90 mmHg found at several consultations. 2- Group with healthy people. - Healthy person between 30 and 70 years old, women and men. Healthy character will be defined on the basis of a physical examination (measurement of heart rate and blood pressure ) and an examination to determine the absence of endocrine pathology ... ) and the absence of drug outlet continuous. - Person insured under the French social security system. - Person who given free and informed his consent to participate in research or a family representative. - Person who are not participating in another clinical study. Exclusion Criteria: - Patients aged under 40 years and 71 years and older for patients in groups of stroke patients and patients with hypertension - Person under 30 years and 71 years and older for healthy people - Person who refuses or family the participation in the study - Person with heart antecedent or spinal disease - Contraindications to the realization of a MRI (pacemaker, claustrophobia, metallic body may be mobilized). - Person not insured under the French social security system, - Pregnant women - Persons under guardianship or curatorship - Persons deprived of liberty by a judicial or administrative decision - Persons who are participating in another clinical study |
Country | Name | City | State |
---|---|---|---|
Martinique | Centre Hospitalier Universitaire de Martinique | Fort-de-France |
Lead Sponsor | Collaborator |
---|---|
University Hospital Center of Martinique |
Martinique,
Chalela JA, Alsop DC, Gonzalez-Atavales JB, Maldjian JA, Kasner SE, Detre JA. Magnetic resonance perfusion imaging in acute ischemic stroke using continuous arterial spin labeling. Stroke. 2000 Mar;31(3):680-7. — View Citation
Lovell AT, Marshall AC, Elwell CE, Smith M, Goldstone JC. Changes in cerebral blood volume with changes in position in awake and anesthetized subjects. Anesth Analg. 2000 Feb;90(2):372-6. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The change in the value of the cerebral blood flow | The endpoint is the change in the value of the cerebral blood flow ( ml / 100g / min) depending on the switching position ( 0 ° and -20 °). This development will be assessed in different brain regions . In particular, it will be searched in excess of a threshold of significance .
This will be accomplished independently by two experienced readers (knowing that the variation between and within road has been assessed) . If a significant difference between the two players, it will be made a consensual common measure. |
up to 1 year |
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