SVF
Level C· Early human research exploring benefitsRetrospective StudyPubMed

The Postauricular Helix-based Adipodermal-pedicle Turnover (PHAT) Flap: An Original Single-Stage Technique for Antihelix and Scapha Reconstruction.

Beustes-Stefanelli M., O'Toole G., Schertenleib P.

Retrospective Study with a reported sample of 5 on Chronic Wound, published in Ann Plast Surg (2016) — summary generated from the PubMed abstract.

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Level C· Early human research exploring benefitsEvidence level of this study

Early human evidence such as case series or small samples is exploring possible benefits.

  • Level A · Stronger Clinical Evidence
  • Level B · Emerging clinical evidence with positive signals
  • Level C · Early human research exploring benefits
  • Level D · Scientific groundwork from lab and animal studies
  • Emerging · Emerging topic under active research
Read the A–D evidence level guide

This page is generated from the PubMed record. The Thai description is an automated summary of bibliographic fields and the abstract, not a full translation, and is not medical advice.

Study type
Retrospective Study
Journal
Ann Plast Surg (2016)
Country
United States
Reported sample size
5
Source database
PubMed
PMID
25003418
DOI
10.1097/SAP.0000000000000224

Abstract (original English)

In reconstructing anterior defects of the ear, postauricular flaps represent a popular option. The pedicle of such transauricular flaps can be superior, inferior, medial, or lateral. The postauricular helix-based adipodermal-pedicle turnover (PHAT) flap is an original single-stage transauricular technique for defects of the antihelix and scapha. Its skin paddle is on the posterior aspect of the ear. Its lateral de-epithelialized pedicle in front of the helix allows for it to easily reach peripheral anterior defects. In cases in which the underlying cartilage is involved, the extended PHAT (ePHAT) flap allows for restoring the contours of the ear without a cartilage graft. Between 2009 and 2011, a PHAT flap was used in 5 cases of defects of the antihelix or the scapha after tumor resection, 3 of which are in an extended version (ePHAT flap). There were no complications and a satisfactory aesthetic result was achieved in all cases. The PHAT flap is an original single-stage procedure for anterior auricular defects located on the antihelix or scapha. The single-layer PHAT flap is indicated in purely skin defect. The triple-layer ePHAT flap includes two subcutaneous extensions which increase its thickness and is indicated to restore the ear contours when cartilage has been removed.

What this study does not prove

  • • This study does not prove SVF is an approved treatment or a replacement for standard care.
  • • Without an adequate control group, treatment effects cannot be separated from other factors.

Evidence level

Early human evidence such as case series or small samples is exploring possible benefits.

How we grade evidence
Adipose TissueAdultAgedAged, 80 and overBasal Cell CarcinomaCohort StudiesEar AuricleEstheticsFemaleFollow-Up Studies
Chronic Wound
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