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  • Title: Location of the Deep Epigastric Vessels in the Resting and Insufflated Abdomen.
    Author: Burnett TL, Garza-Cavazos A, Groesch K, Robbs R, Diaz-Sylvester P, Siddique SA.
    Journal: J Minim Invasive Gynecol; 2016; 23(5):798-803. PubMed ID: 27103374.
    Abstract:
    STUDY OBJECTIVE: To determine whether the location of the superior and inferior epigastric vessels (deep epigastric vessels) change with abdominal insufflation. DESIGN: Descriptive study (Canadian Task Force classification III). SETTING: Tertiary care academic institution. PATIENTS: Patients undergoing gynecologic laparoscopic surgery were recruited. A total of 35 subjects were enrolled. INTERVENTIONS: Subjects underwent color Doppler ultrasound assessment of deep epigastric vessel location preoperatively and intraoperatively following abdominal insufflation. The deep epigastric vessels were identified at 5 points along the abdomen (pubic symphysis, anterior superior iliac spine [ASIS], umbilicus, xiphoid, and midpoint from umbilicus to xiphoid), with the distance from vessels to midline measured. Paired t tests and split-plot analysis of variance were used as appropriate. MEASUREMENTS AND MAIN RESULTS: The mean patient age was 45.6 ± 16.5 years, and mean BMI was 29.8 ± 7.2. A significant difference between vessel location in the resting abdomen and insufflated abdomen was noted bilaterally at the ASIS, umbilicus, and midpoint from the umbilicus to the xiphoid. At each of these points, the deep epigastric vessels were found more laterally after insufflation on average, ranging from 0.6 ± 0.9 cm (p < .001) more laterally at the midpoint between the umbilicus and xiphoid to 1.1 ± 0.8 cm (p < .001) more laterally at the umbilicus. The most lateral location of the deep vessels after insufflation was seen at the ASIS (10.6 cm) and the umbilicus (10.9 cm). In a subanalysis of subjects grouped by body mass index (obese vs nonobese), deep epigastric vessels were more lateral in the insufflated abdomen of obese subjects compared with that of nonobese subjects at the ASIS, umbilicus, and midpoint from umbilicus to xiphoid (p < .05 for each point bilaterally). CONCLUSION: The deep epigastric vessels shift laterally with abdominal insufflation, and may be found as far as 10.9 cm from the midline; this is more lateral than previously described and is clinically significant. Obesity is associated with a more lateral location of the deep epigastric vessels.
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