A comparative study for tension-reducing effect of Type I and Type II keystone perforator island flap in the human back

Abstract The keystone perforator island flap (KPIF) is popular in reconstructive surgery. However, despite its versatility, its biomechanical effectiveness is unclear. We present our experience of KPIF reconstruction in the human back and evaluate the tension-reducing effect of the KPIF. Between Sep...

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Autores principales:	Chi Sun Yoon, Yu Taek Kong, Soo Yeon Lim, Junekyu Kim, Hyun Woo Shin, Kyu Nam Kim
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/20ae05b566e74b5b8caf5d147d2601da
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spelling	oai:doaj.org-article:20ae05b566e74b5b8caf5d147d2601da2021-12-02T18:51:41ZA comparative study for tension-reducing effect of Type I and Type II keystone perforator island flap in the human back10.1038/s41598-021-96272-02045-2322https://doaj.org/article/20ae05b566e74b5b8caf5d147d2601da2021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-96272-0https://doaj.org/toc/2045-2322Abstract The keystone perforator island flap (KPIF) is popular in reconstructive surgery. However, despite its versatility, its biomechanical effectiveness is unclear. We present our experience of KPIF reconstruction in the human back and evaluate the tension-reducing effect of the KPIF. Between September 2019 and August 2020, 17 patients (51.82 ± 14.72 years) underwent KPIF reconstruction for back defects. In all cases, we measured wound tension at the defect and donor sites before and after KPIF reconstruction using a tensiometer. All defects occurred after complete excision of complicated epidermoid cysts and debridement of surrounding tissues. The defects were successfully covered with Type IIA KPIFs. All flaps survived, and there were no significant postoperative complications. The mean “tension change at the defect after Type I KPIF” and “tension change at the defect after Type II KPIF” were − 2.97 ± 0.22 N and − 5.59 ± 0.41 N, respectively, (P < 0.001). The mean “rate of tension change at the defect after Type I KPIF” and “rate of tension change at the defect after Type II KPIF” were − 36.54 ± 1.89% and − 67.98 ± 1.63%, respectively, (P < 0.001). Our findings confirm the stepwise tension-reducing effect of KPIF and clarify the biomechanics of this flap.Chi Sun YoonYu Taek KongSoo Yeon LimJunekyu KimHyun Woo ShinKyu Nam KimNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Chi Sun Yoon Yu Taek Kong Soo Yeon Lim Junekyu Kim Hyun Woo Shin Kyu Nam Kim A comparative study for tension-reducing effect of Type I and Type II keystone perforator island flap in the human back
description	Abstract The keystone perforator island flap (KPIF) is popular in reconstructive surgery. However, despite its versatility, its biomechanical effectiveness is unclear. We present our experience of KPIF reconstruction in the human back and evaluate the tension-reducing effect of the KPIF. Between September 2019 and August 2020, 17 patients (51.82 ± 14.72 years) underwent KPIF reconstruction for back defects. In all cases, we measured wound tension at the defect and donor sites before and after KPIF reconstruction using a tensiometer. All defects occurred after complete excision of complicated epidermoid cysts and debridement of surrounding tissues. The defects were successfully covered with Type IIA KPIFs. All flaps survived, and there were no significant postoperative complications. The mean “tension change at the defect after Type I KPIF” and “tension change at the defect after Type II KPIF” were − 2.97 ± 0.22 N and − 5.59 ± 0.41 N, respectively, (P < 0.001). The mean “rate of tension change at the defect after Type I KPIF” and “rate of tension change at the defect after Type II KPIF” were − 36.54 ± 1.89% and − 67.98 ± 1.63%, respectively, (P < 0.001). Our findings confirm the stepwise tension-reducing effect of KPIF and clarify the biomechanics of this flap.
format	article
author	Chi Sun Yoon Yu Taek Kong Soo Yeon Lim Junekyu Kim Hyun Woo Shin Kyu Nam Kim
author_facet	Chi Sun Yoon Yu Taek Kong Soo Yeon Lim Junekyu Kim Hyun Woo Shin Kyu Nam Kim
author_sort	Chi Sun Yoon
title	A comparative study for tension-reducing effect of Type I and Type II keystone perforator island flap in the human back
title_short	A comparative study for tension-reducing effect of Type I and Type II keystone perforator island flap in the human back
title_full	A comparative study for tension-reducing effect of Type I and Type II keystone perforator island flap in the human back
title_fullStr	A comparative study for tension-reducing effect of Type I and Type II keystone perforator island flap in the human back
title_full_unstemmed	A comparative study for tension-reducing effect of Type I and Type II keystone perforator island flap in the human back
title_sort	comparative study for tension-reducing effect of type i and type ii keystone perforator island flap in the human back
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/20ae05b566e74b5b8caf5d147d2601da
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A comparative study for tension-reducing effect of Type I and Type II keystone perforator island flap in the human back

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