Locating perforator vessels by dynamic infrared imaging and flow Doppler with no thermal cold challenge.

Abstract:

BACKGROUND:Dynamic Infrared Imaging (DIRI) is a noninvasive technique that precisely analyzes the infrared radiation of any object. We used this technique to locate the dominant perforator vessels in flap surgery in conjunction with conventional Doppler. METHODS:Ten patients scheduled for deep inferior epigastric artery perforator flap and 6 for free-fibular flaps were selected. Perforator vessels were localized in the donor area, using Doppler and DIRI. The ability to locate the dominant perforators was compared between both techniques. RESULTS:DIRI produced a precise map showing the location of the perforators and their area of perfusion at the skin level. Their dominance can be determined by their size. Flow Doppler located the perforators at the aponeurotic level without size and perfusion information. CONCLUSIONS:DIRI produces a skin thermographic map of perforator vessels and their perfusion area. Handheld Doppler locates perforators at the aponeurotic level. Their combination increases safety in the planning of perforator flap surgery.

journal_name

Ann Plast Surg

authors

Tenorio X,Mahajan AL,Elias B,van Riempst JS,Wettstein R,Harder Y,Pittet B

doi

10.1097/SAP.0b013e3181ef6da3

subject

Has Abstract

pub_date

2011-08-01 00:00:00

pages

143-6

issue

2

eissn

0148-7043

issn

1536-3708

journal_volume

67

pub_type

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