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Original Scientific Report

Value of remote ischaemic preconditioning in rat dorsal skin flaps and clamping time

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Pages 107-110 | Received 29 Dec 2014, Accepted 03 Sep 2015, Published online: 05 Nov 2015
 

Abstract

Objective: According to previous reports, remote ischaemic preconditioning (RIPC) is a “delay” procedure that is highly likely to be useful for preventing skin flap necrosis. Differences in the extent of necrosis in rat dorsal skin flaps when different clamping times were used in RIPC were compared among the four groups described below.

Methods: Group A was a control group in which no prior ischaemic area was created, and both back legs were devascularised for 15 min in Group B, 30 min in Group C, and 60 min in Group D. The experiments were performed on 10 rats in each group, and the surviving area was measured. One-way analysis of variance (ANOVA) and Tukey’s multiple comparison test were used for analysis, with p < 0.05 regarded as significant.

Results: The surviving area of the skin flap was 15.4 ± 1.8 cm2 in Group A, 15.4 ± 2.0 cm2 in Group B, 17.9 ± 2.0 cm2 in Group C, and 19.2 ± 3.4 cm2 in Group D, with significant differences between Groups A and D and between Groups B and D.

Conclusions: RIPC consisting of 60 min of ischaemic preconditioning may be clinically useful as a method of preventing skin flap necrosis.

Acknowledgements

This work was supported by JSPS KAKENHI Grant Number 25861697.

Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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