Clinical Use of Magnetic Resonance Perfusion Imaging to Qualitatively Assess Adequate Distal Perfusion After Endovascular Revascularization in Critical Limb Ischemia (MR CLI)

April 10, 2023 updated by: Seung-Whan Lee, M.D., Ph.D.
This study evaluates the clinical effectiveness of Magnetic Resonance(MR) perfusion imaging to qualitatively assess adequate distal perfusion after endovascular revascularization in Critical Limb Ischemia

Study Overview

Status

Completed

Study Type

Observational

Enrollment (Actual)

65

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

20 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Patients with lower extremity ischemia

Description

Inclusion Criteria:

  • Age 20 and above
  • Critical limb ischemia with ulcer
  • Ankle brachial index(ABI) ≤ 0.9 or Toe brachial index (TBI) ≤ 0.5 or Transcutaneous oxygen pressure (TcPo2) ≤ 40mmHg
  • ≥ 70 percentage of stenosis of infrapopliteal artery on lower extremity computed tomography angiography or lower extremity doppler
  • Subject understands protocol and provides written, informed consent

Exclusion Criteria:

  • Post-traumatic critical limb ischemia
  • Neurogenic limb ischemia
  • Life expectancy ≤ 2 years

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
critical limb ischemia

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
The change of deoxyhemoglobin in MR imaging
Time Frame: 6 months
6 months

Secondary Outcome Measures

Outcome Measure
Time Frame
The event rate of unplanned major and minor amputation in limb
Time Frame: 6 months
6 months
The event rate of complete healing of lower extremity ulcer
Time Frame: 6 months
6 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

December 12, 2015

Primary Completion (Actual)

July 13, 2021

Study Completion (Actual)

November 1, 2021

Study Registration Dates

First Submitted

January 4, 2016

First Submitted That Met QC Criteria

January 4, 2016

First Posted (Estimate)

January 5, 2016

Study Record Updates

Last Update Posted (Actual)

April 12, 2023

Last Update Submitted That Met QC Criteria

April 10, 2023

Last Verified

April 1, 2023

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

This trial is not publicly funded clinical trial.

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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