PMID: 9160132May 1, 1997Paper

Ischemic time and free flap success

Annals of Plastic Surgery
A GürlekM A Schusterman

Abstract

Ischemic time (the time between the interruption and reestablishment of blood supply) was reviewed for 700 free flaps used for breast or head and neck reconstruction. Flaps that failed had a mean ischemic time of 111.64 minutes, while flaps that survived had a mean ischemic time of 91.25 minutes. The difference was not statistically significant (p = 0.189). The patients were then divided into two groups: those with flap ischemic times of 100 minutes or longer and those with flap ischemic times less than 100 minutes. We found that flap survival was similar in the two groups. Flap survival was also similar when 75 minutes and 120 minutes were used to segregate the longer and shorter ischemic time groups. When 180 minutes was used to segregate the groups, there was a slight trend toward more flap loss in the group with longer ischemic time, but the difference was not significant. We conclude that ischemic time is irrelevant to flap survival, provided that ischemia is not prolonged past 3 hours or to the point where the no-reflow phenomenon occurs.

Citations

Apr 21, 2001·Plastic and Reconstructive Surgery·M Butterworth
Apr 15, 2004·Plastic and Reconstructive Surgery·Hung-Chi ChenFeng-Chou Tsai
Dec 7, 2007·The Kaohsiung Journal of Medical Sciences·Kao-Ping ChangChung-Sheng Lai
Jul 17, 2013·Revue de stomatologie, de chirurgie maxillo-faciale et de chirurgie orale·V PradeT Alix
Oct 30, 2012·Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS·Kyeong-Tae LeeGoo-Hyun Mun
Sep 18, 2012·Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS·Diego Marre, Bernardo Hontanilla
Oct 24, 2008·Microsurgery·Thomas Mücke, Klaus-Dietrich Wolff
May 3, 2012·ANZ Journal of Surgery·Jonathan P S HeatherSwee T Tan
Jun 18, 2004·Hand Clinics·Simon G TalbotBabak J Mehrara
Oct 30, 2012·International Journal of Surgery Case Reports·Gerrit GriebNorbert Pallua
Aug 7, 2019·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Meghan B CrawleyJoseph Curry
May 14, 1999·Plastic and Reconstructive Surgery·R Martín-GranizoA Berguer

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