Conflict of interest
Youn Hwan Kim is an editorial board member of the journal but was not involved in the peer reviewer selection, evaluation, or decision process of this article. No other potential conflicts of interest relevant to this article were reported.
Ethical approval
The study was approved by the Institutional Review Board of Hanyang University Hospital (IRB No. 2021-02-013) and performed in accordance with the principles of the Declaration of Helsinki. Written informed consent was obtained.
Patient consent
The patients provided written informed consent for the publication and the use of their images.
Author contribution
Conceptualization: SW Oh, SO Park, YH Kim. Data curation: SW Oh, YH Kim. Formal analysis: SW Oh, SO Park, YH Kim. Investigation: SW Oh, YH Kim. Methodology: SW Oh, SO Park, YH Kim. Project administration: SW Oh, SO Park, YH Kim. Resources: SW Oh, SO Park, YH Kim. Software: SW Oh, SO Park. Supervision: YH Kim. Validation: SW Oh, SO Park, YH Kim. Visualization: SW Oh, YH Kim. Writing - original draft: SW Oh, SO Park, YH Kim. Writing - review & editing: SW Oh, SO Park, YH Kim.
Variable | Value (n = 11) |
---|---|
Chief complaint | |
Scar contracture | 8 (72.7) |
Depression scar | 7 (63.6) |
Tingling sensation | 3 (27.3) |
Numbness | 2 (18.2) |
Operation side | |
Left | 5 (45.5) |
Right | 6 (55.5) |
Target region of the RSA flap | |
Hindfoot | 5 (45.6) |
Middle one-third of tibia | 5 (45.6) |
Forefoot | 1 (9.1) |
Previous skin graft for the donor site of the RSA flap | |
STSG | 3 (27.3) |
Meshed STSG | 6 (54.5) |
Artificial dermis + meshed STSG | 2 (18.2) |
Distance from knee joint (cm), mean ± SDa) | 6.3 ± 4.1 |
Size of the donor site with complications (cm²), mean (95% CI) | 140.1 (86.7–193.0) |
Period from the RSA flap to resurfacing operation (mo), mean (range) | 35.2 (8–120) |
Variable | Value |
---|---|
Flap composition of resurfacing donor site | |
TDAP | 10 (90.9) |
TDAP + ALT | 1 (9.1) |
Flap recipient vessela) | |
ATA | 2 (18.2) |
PTA | 7 (63.6) |
Inferior medial geniculate artery | 2 (18.2) |
Length of flap pedicle vessel (cm), mean ± SD | 9.8 ± 1.4 |
Follow-up period (mo), mean (range) | 28 (12–60) |
Variable | Preoperative | Postoperative | P-value |
---|---|---|---|
AROM of knee joint (°)a) | 108.2 ± 7.2 | 118.6 ± 8.4 | 0.003 |
PROM of knee joint (°)a) | 121.4 ± 9.2 | 126.4 ± 7.1 | 0.021 |
LEFSb) | 45.1 (35.7–54.5) | 56.7 (47.4–66.1) | 0.003 |
Postoperative complications | |||
TDAP flap | |||
Flap partial loss | 1 (9.1) | ||
None | 10 (90.9) | ||
Donor site of TDAP flap | |||
Delayed wound healing (> 3 wk) | 2 (18.2) | ||
None | 9 (81.8) |
Values are presented as mean±SD, mean (95% CI), or number (%).
AROM, active range of motion; PROM, passive range of motion; LEFS, Lower Extremity Functional Scale; TDAP, thoracodorsal artery perforator; CI, confidence interval.