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Maximizing the Flap Inflow in a Foot Reconstruction: Ultrasonographic Evaluation of Artery Flow in Accordance with the Angle of the Ankle

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Abstract
Adequate arterial inflow is mandatory for a successful free tissue transfer. Maximizing this inflow appears to be especially important during distal lower extremity reconstruction, where perfusion pressures can be significantly lower than in the trunk or head and neck. In the current study, the authors used color and pulsed-wave Doppler ultrasonography to analyze blood flow volumes in the foot in accordance with the ankle position. Twenty feet of 10 healthy subjects were included in the analyses. All subjects were examined by Doppler ultrasonography at three different ankle angles (dorsiflexion at 90 degrees, relaxed position, and complete plantar flexion). The average flow volumes of the dorsalis pedis artery varied dramatically at the different ankle positions, as follows: dorsiflexion, 19.81 +/- 3.88 ml/minute; relaxed position, 11.71 +/- 4.72 ml/minute; and plantar flexion, 3.47 +/- 1.41 ml/minute. The average flow volume of the posterior tibial artery also varied dramatically at these different ankle positions: dorsiflexion, 9.08 +/- 8.25 ml/minute; relaxed position, 14.78 +/- 2.45 ml/minute; and plantar flexion, 19.03 +/- 5.03 ml/minute. The ankle position dramatically affects the flow velocity in the anterior and posterior tibial vessels, which is an important consideration when performing free tissue transfer reconstruction of the foot. Ankle dorsiflexion would be recommended when using the anterior tibial artery as a recipient vessel, whereas plantar flexion of the ankle would be advised when the posterior tibial artery is used as a recipient vessel.
Author(s)
김형배서영철서현석홍준표Erin Brown
Issued Date
2021
Type
Article
Keyword
Abridged Index MedicusAnalysisMedical collegesSurgeryPlastic
DOI
10.1097/PRS.0000000000008176
URI
https://oak.ulsan.ac.kr/handle/2021.oak/7566
https://ulsan-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=TN_cdi_proquest_miscellaneous_2561924987&context=PC&vid=ULSAN&lang=ko_KR&search_scope=default_scope&adaptor=primo_central_multiple_fe&tab=default_tab&query=any,contains,Maximizing%20the%20Flap%20Inflow%20in%20a%20Foot%20Reconstruction:%20Ultrasonographic%20Evaluation%20of%20Artery%20Flow%20in%20Accordance%20with%20the%20Angle%20of%20the%20Ankle&offset=0&pcAvailability=true
Publisher
PLASTIC AND RECONSTRUCTIVE SURGERY
Location
미국
Language
영어
ISSN
0032-1052
Citation Volume
148
Citation Number
2
Citation Start Page
258
Citation End Page
261
Appears in Collections:
Medicine > Medicine
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