Document Detail


The association between laser Doppler reactive hyperaemia curves and the distribution of peripheral arterial disease.
MedLine Citation:
PMID:  10092899     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVES: To determine whether postocclusive laser Doppler fluxmetry (LDF) curves can be related to the arteriographic distribution of disease. DESIGN: Prospective study. MATERIALS: Sixty-nine patients with symptomatic peripheral ischaemia and 15 healthy subjects. METHODS: Laser Doppler fluxmetry (LDF) was monitored on the dorsum of the symptomatic foot following 2 min of arterial occlusion at the ankle. During reperfusion three patterns of LDF were identified (types I-III). All patients subsequently underwent arteriography which was reported independent of LDF results. The distribution of disease, particularly patency of below-knee vessels, was related to the type of LDF curve observed during reactive hyperaemia. RESULTS: Type I curves were observed in all healthy subjects and 75% of patients with a single arterial lesion. Type II curves were found in 78% of patients with multiple lesions above the knee. The presence of either a type I or II curve was associated with a continuous vessel from knee to ankle (positive predictive value 83%, p < 0.01), whilst type III curve was associated with discontinuous infrapopliteal run-off (positive predictive value 86%, p < 0.01). CONCLUSIONS: This pilot study suggests that post-occlusive LDF curves may identify the distribution of arterial disease and may be useful in the non-invasive management of peripheral ischaemia.
Authors:
S A Ray; T M Buckenham; A M Belli; R S Taylor; J A Dormandy
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery     Volume:  17     ISSN:  1078-5884     ISO Abbreviation:  Eur J Vasc Endovasc Surg     Publication Date:  1999 Mar 
Date Detail:
Created Date:  1999-04-13     Completed Date:  1999-04-13     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9512728     Medline TA:  Eur J Vasc Endovasc Surg     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  245-8     Citation Subset:  IM    
Affiliation:
Department of Vascular Surgery and Interventional Radiology, St. George's Hospital Medical School, Tooting, London, U.K.
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MeSH Terms
Descriptor/Qualifier:
Chi-Square Distribution
Humans
Hyperemia / diagnosis*
Ischemia / diagnosis
Laser-Doppler Flowmetry / instrumentation,  methods*,  statistics & numerical data
Leg / blood supply*
Peripheral Vascular Diseases / diagnosis*
Pilot Projects
Prospective Studies
Time Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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