CC BY-NC-ND 4.0 · Indian J Plast Surg 2018; 51(02): 196-201
DOI: 10.4103/ijps.IJPS_28_17
Original Article
Association of Plastic Surgeons of India

Comparison of subdermal and perforator delay techniques on a rat flap model

Dincer Altinel
Department of Plastic and Reconstructive Surgery, Istanbul Training and Research Hospital, Istanbul, Turkey
,
Burcu Biltekin
1   Department of Histology and Embryology, Istanbul University Cerrahpasa Medical School, Istanbul, Turkey
,
Merdan Serin
Department of Plastic and Reconstructive Surgery, Istanbul Training and Research Hospital, Istanbul, Turkey
,
Ugur Sahin
2   Department of Plastic and Reconstructive Surgery, Bahcelievler Medicana Hospital, Istanbul, Turkey
,
Muzaffer Altindas
3   Department of Plastic and Reconstructive Surgery, Istanbul Diabetes Hospital, Istanbul, Turkey
› Author Affiliations
Further Information

Publication History

Publication Date:
26 July 2019 (online)

ABSTRACT

Background: In this study, we investigated the subdermal and perforator delay phenomena as a method to improve flap survival. Materials and Methods: In this experimental study, we used 24 rats in three groups. In the control group, the dorsal flaps were elevated and reinserted back to their place. In the experimental groups, we practiced the delay phenomena with two different techniques. In the first experimental group, cranial and lateral side incisions were performed; however, the flaps were not cut-off from the underlying fascia. In the second experimental group, we placed a silicon sheet under the planned flap to cut-off the circulation from the perforator vessels. Four weeks after the delay procedure, the flaps were raised completely and reinserted back to their place. Results: The average of necrotic area in the control group was 21.9% (±7.70). There was no necrosis in both experimental groups (P < 0.0001). Histological examination revealed that collagen density in both of the experimental groups was increased in comparison to the control group, it has only been found a significant first experimental group (P = 0.0315). We have not found any significant difference in lymphocyte density between the groups. Angiographic imaging has showed an increase in the vascular density in the flaps of the first experimental group. Conclusion: We believe that both of these delay techniques can be adapted to clinical applications and used safely to increase flap survival.

 
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