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An anatomic study of deep inferior epigastric artery diameters at the origin from external iliac and at the lateral border of rectus abdominis muscle by computed tomographic angiography from autologous breast reconstruction patients

Autologous breast reconstruction by means of microsurgical abdominal flaps is an very well described technique. The flap harvest dissection under inguinal ligament would cause the risk of parietal weakening in this zone and postoperative bulging. The goal of our study is to investigate whether the d...

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Bibliographic Details
Published in:Annales de chirurgie plastique et esthétique 2020-02, Vol.65 (1), p.70-76
Main Authors: Boucher, F., Brosset, S., Shipkov, H., Aimard, R., Rouvière, O., Braye, F., Guerid, S., Mojallal, A.
Format: Article
Language:English
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Summary:Autologous breast reconstruction by means of microsurgical abdominal flaps is an very well described technique. The flap harvest dissection under inguinal ligament would cause the risk of parietal weakening in this zone and postoperative bulging. The goal of our study is to investigate whether the deep inferior epigastric artery diameter remains constant from its exit of the external iliac artery to its entrance in the rectus muscle sheath. One hundred arteries were studied on fifty preoperative computed tomographic angiographies made before a DIEAP flap for breast reconstruction. We measured the caliber of the left and right deep inferior epigastric arteries at these two landmarks. The length of this artery between these was also calculated. This data were collected with specific angiography reconstruction. At the caudal landmark, the mean DIEA diameter was 2.1±0.27mm on the left side and 2.1±0.31mm on the right side. At the cephalic landmark, the mean DIEA diameter was 2.0±0.28mm on the left and 2.0±0.27mm on the right side (P=0.00035 at left side; P=0.0089 at right side). The mean pedicle length between the two landmarks was 22.3±2.85mm on the left side and 22.2±2.98mm on the right side. This computed tomographic angiography study showed that the diameter of DIEA is equivalent at its origin and at the lateral border of muscle. Flap harvest without dissection under inguinal ligament provides sufficient pedicle length and caliber to allow for comfortable and reliable sutures. La reconstruction mammaire autologue au moyen de lambeaux abdominaux microchirurgicaux est une technique très bien décrite. La dissection par prélèvement du lambeau sous le ligament inguinal entraînerait un risque d’affaiblissement pariétal dans cette zone et de déhiscence pariétale postopératoire. Le but de notre étude est d’étudier si le diamètre de l’artère épigastrique inférieure profonde (AEIP) reste constant depuis sa sortie de l’artère iliaque externe jusqu’à son entrée dans la gaine du muscle grand droit. Cent artères ont été étudiées sur 50 tomoangiographies préopératoires réalisées avant un lambeau DIEAP en vue d’une reconstruction mammaire. Nous avons mesuré le calibre des artères épigastriques inférieures profondes gauche et droite à ces deux points repère. La longueur de cette artère entre ces derniers a également été calculée. Ces données ont été recueillies avec une reconstruction tomoangiographique spécifique. Au niveau du repère caudal, le diamètre moyen de l’AEIP ét
ISSN:0294-1260
1768-319X
DOI:10.1016/j.anplas.2019.03.003