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Evaluation of the Clinical Significance of Fluorescence Videoangiography With Indocyanine-Green

Peripheral Vascular Disease Clinical Trial

Official title:
Pilot-Study to Evaluate the Clinical Significance of the Fluorescence Videoangiography With Indocyanine-Green in Patients With PAD, Rutherford Classification II-V, and Relation to Common Diagnostics.

Clinical Trial Summary

The aim of the study is to compare the diagnostic value of this non-invasive vascular imaging tool with the established vascular diagnostic methods for PAD in order to get prognostic data.

A higher sensitivity of Fluorescence angiography in order to recognize progression of critical limb ischemia could lead to earlier therapeutic interventions and thereby increase limb salvage. A diagnostic gap would be closed.

Clinical Trial Description

Critical limb ischemia (CLI) occurs when the peripheral microcirculation is impaired by arterial stenoses or occlusions. In opposite to earlier studies that only evaluated intermittent claudication due to peripheral arterial disease (PAD), rest pain and trophic changes in the affected extremity are due to reduced microcirculation. Though the main reason for CLI is the existing PAD, many processes responsible for pain and other pad-associated symptoms are triggered by a reduced microcirculation so that attempts to enhance the dermal perfusion by pharmacological or other manipulations may ameliorate the results of vascular treatment. These attempts may be the best options for patients, in which vascular surgery was not successful or primarily impossible.

A Laser-induced fluorescence videoangiography is currently being used in ophthalmology to display the vessels of the eye background. Due to technical improvements, it has become a standard procedure. This trial aims at establishing laser-induced fluorescence videoangiography as standard procedure in vascular surgery. This would be of benefit for the patient as the technique does not require the use of ionising radiation and is possible for patients suffering to renal failure. ;

Study Design

Observational Model: Case Control, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00876668
Study type Observational
Source Johann Wolfgang Goethe University Hospitals
Contact
Status Active, not recruiting
Phase N/A
Start date June 2007
Completion date December 2009
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