Effects of microarterial anastomosis torsion on survival of oblique groin flap in rats.

Abstract:

:A microanastomosis might tolerate a torsion up to 360°, but the effects of arterial microanastomosis torsion on the survival of the flap it supplies are unclear. The aim of this study was to investigate the consequences of microarterial anastomosis torsion on the groin flap in rats. Forty Sprague-Dawley rats were divided into five groups. An oblique groin flap was harvested as an island flap and a patch-to-side arterial anastomosis was performed with torsion angles of 0°, 90°, 180°, 270°, and 360°. Six of eight flaps in Group I (0° torsion), six of eight flaps in Group II (90°), three of eight flaps in Group III (180°), and none of the flaps in Groups IV and V (270° and 360°) were found to be viable after 1 week. The patency and flap survival rates observed in Groups II, III, IV, and V were compared with those in Group I using Fisher's exact test. The patency rates and flap survival rates in Groups IV and V were significantly lower compared with those in Group I. Our data show that skin flaps can survive even if their arterial pedicle is anastomosed with a torsion of up to 180°.

journal_name

J Plast Surg Hand Surg

authors

Güven E,Aydin HU,Kuvat SV,Berkoz O,Topalan M

doi

10.3109/2000656X.2012.696198

subject

Has Abstract

pub_date

2012-12-01 00:00:00

pages

379-82

issue

6

eissn

2000-656X

issn

2000-6764

journal_volume

46

pub_type

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