Objective Evaluation of Proximal Ischemia

July 16, 2015 updated by: University Hospital, Angers

Effet Des Gestes de Revascularisation à l'étage Proximal

The whole study is divided in 4 parallel protocols. The first protocol estimates the reliability of the technique through test-retest recordings. The second protocol aims to prove that exercise Tcpo2 is efficient to estimate the benefit of proximal revascularisation on proximal and distal ischemia in patients suffering stage two lower extremity arterial disease. The third protocol aims at estimating with exercise tcpo2 the eventual apparison of proximal ischemia after aorto-bi-femoral bypasses. The last protocol is a transversal study of patients with aorto-bi-femoral bypasses aiming to analyse the presence of proximal and distal symptoms and ischemia.

The hypothesis for protocol 2 is that TcpO2 at exercise is significantly improved after surgery at the aortic and primary iliac artery. The hypothesis for protocols 3 and 4 relates on the hypothesis that a significant number of patients benefiting aorto-bi-femoral bypass suffer isolated proximal pain/ischemia after surgery.

Amendement to the project has been recently validated to study the neurologic and bone complication of chronic vascular ischemia

Study Overview

Detailed Description

Patients included are submitted to:

San Diego Claudication Questionnaire before and during the treadmill test Treadmill test(s) through the Strandness procedure (2MPh 10% slope) Transcutaneous oxygen pressure recording before during and after exercise Ankle and brachial pressure measurements. Neurologic investigation with Quantitative sensory Testing (QST) and neurophysiological tests for patients included in the sub-group analysing neurologic complication Whole body densitometry for patients included in the sub-group analysing osteo-articular complications

Study Type

Observational

Enrollment (Actual)

165

Contacts and Locations

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

Study Locations

      • Angers, France, 49033
        • Laboratoire d'explorations vasculaires

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

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

patients with claudication

Description

Inclusion Criteria:

  • protocol 1 - 3 stage 2 claudication
  • Protocols 2 & 3 : Indication for surgery
  • protocol 4 : Patent aorto bio femoral bypass for more than 4 months
  • Ability to perform a treadmill test

Exclusion Criteria:

  • Stage 4 LEAD
  • Aortic aneurysm
  • Acute coronary syndrom
  • claudication of documented non vascular origin (for protocols 1-3 only)

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

Collaborators and Investigators

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

Investigators

  • Study Chair: jean louis Saumet, MD PhD, University Hospital in Angers
  • Principal Investigator: Pierre Abraham, MD PhD, University Hospital in Angers
  • Study Chair: Bernard Enon, MD, University Hospital in Angers

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the 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

March 1, 2004

Primary Completion (Actual)

July 1, 2008

Study Completion (Actual)

July 1, 2008

Study Registration Dates

First Submitted

September 8, 2005

First Submitted That Met QC Criteria

September 8, 2005

First Posted (Estimate)

September 9, 2005

Study Record Updates

Last Update Posted (Estimate)

July 17, 2015

Last Update Submitted That Met QC Criteria

July 16, 2015

Last Verified

July 1, 2015

More Information

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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