Abstract:
INTRODUCTION:While studies using various materials to overcome ischemia-reperfusion (IR) injury are becoming increasingly common, studies on the effects of botulinum toxin A (BoTA) on IR injury in musculocutaneous flaps are still limited. The purpose of this study was to examine our hypotheses that BoTA provide protection of musculocutaneous flap from ischemia-reperfusion injury. METHOD:Five days after pretreatment injection (BoTA versus normal saline), a right superior musculocutaneous flap (6 × 1.5 cm in size) was made. Ischemia was created by a tourniquet strictly wrapping the pedicle containing skin and muscle for 8 h. After ischemia, the tourniquet was cut, and the musculocutaneous flap was reperfused. RESULTS:The overall survival percentage of flap after 8 h of pedicle clamping followed by reperfusion was 87.32 ± 3.67% in the control group versus 95.64 ± 3.25% in the BoTA group (p < 0.001). The BoTA group had higher expression of CD34, HIF-1α, VEGF, and NF-kB comparing to control group in qRT-PCR analysis. CONCLUSIONS:In this study, we found that local BoTA preconditioning yielded significant protection against IR injury in a rat musculocutaneous flap model.
journal_name
Biomed Res Intjournal_title
BioMed research internationalauthors
Park TH,Park YJdoi
10.1155/2017/1074178subject
Has Abstractpub_date
2017-01-01 00:00:00pages
1074178eissn
2314-6133issn
2314-6141journal_volume
2017pub_type
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journal_title:BioMed research international
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