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Case Reports
. 2020 Feb;40(2):200-206.
doi: 10.1002/micr.30517. Epub 2019 Oct 8.

The correlation of the perforators and the accessory saphenous vein in a profunda femoris artery perforator flap for additional venous anastomosis: A cadaveric study and clinical application

Ryo Karakawa  1 , Hidehiko Yoshimatsu  1 , Yuma Fuse  2 , Akitatsu Hayashi  3 , Kenta Tanakura  1 , Ulrike M Heber  4 , Wolfgang J Weninger  4 , Chieh-Han J Tzou  5   6 , Stefan Meng  4   7 , Tomoyuki Yano  1
Affiliations
Case Reports

The correlation of the perforators and the accessory saphenous vein in a profunda femoris artery perforator flap for additional venous anastomosis: A cadaveric study and clinical application

Ryo Karakawa et al. Microsurgery. 2020 Feb.

Abstract

Background: The profunda femoris artery perforator (PAP) flap is gaining popularity in microsurgical reconstruction. To establish a safer flap elevation technique, we focused on the topology of the accessory saphenous vein in the medial thigh area. We hypothesize that including the accessory saphenous vein in a PAP flap results in safer PAP flap transfer with two venous drainage systems. The aim of this study was to describe the anatomical relationship between the perforators and the accessory saphenous vein in the PAP flap using fresh cadavers and to describe the relationship through two clinical cases.

Methods: For the anatomical study, 19 posterior medial thigh regions from 10 fresh cadavers were dissected. We recorded the number, site of origin, the length, and the diameter of the pedicle. We also documented the course, the length, and the diameter of the accessory saphenous vein. PAP flap transfer with additional accessory saphenous vein anastomosis was performed in two clinical cases; a 40-year-old female with tongue cancer and a 51-year-old female with breast cancer.

Results: In all cadaveric specimens, the accessory saphenous vein was found above the deep fascia. The average distance between the proximal thigh crease and the intersection of the anterior edge of the gracilis muscle and the accessory saphenous vein was 7.7 ± 2.5 cm. The diameter of the accessory saphenous vein averaged 3.1 ± 1.1 mm. The average accessory saphenous vein length from its takeoff from the great saphenous vein to the anterior edge of the gracilis muscle was 4.2 ± 1.3 cm. In clinical cases, the flap size was 6 x 18 cm and 8 x 21 cm and the follow-up length was 12 and 3 months, respectively. In both cases, the postoperative course was uneventful and the flap survived completely.

Conclusion: Anatomical study confirmed that the accessory saphenous vein did exist in all specimens and it could be included in the PAP flap with sufficient length and relatively large diameter. Although further clinical investigation will be required to confirm its efficacy, a PAP flap including the accessory saphenous vein may decrease the chances of flap congestion.

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References

REFERENCES

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    1. Ahmadzadeh, R., Bergeron, L., Tang, M., Geddes, C. R., & Morris, S. F. (2007). The posterior thigh perforator flap or profunda femoris artery perforator flap. Plastic and Reconstructive Surgery, 119, 194-200 discussion 201.
    1. Allen, R. J., Haddock, N. T., Ahn, C. Y., & Sadeghi, A. (2012). Breast reconstruction with the profunda artery perforator flap. Plastic and Reconstructive Surgery, 129, 16e-23e.
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