AI Article Synopsis
- The study aimed to explore the anatomy of the vascular and ureteral structures around the midsacral promontory to minimize surgery-related complications during sacrocolpopexy.
- Data were collected from 25 female cadavers and 100 CT scans to measure distances between key anatomical landmarks and the promontory, revealing significant averages for various vessels and the ureter.
- Understanding the variability in this anatomy is crucial for surgeons to prevent intraoperative issues related to the nearby ureter and blood vessels during procedures.
Article Abstract
Objective: The objective of the study was to further characterize the vascular and ureteral anatomy relative to the midsacral promontory, a landmark often used during sacrocolpopexy, and suggest strategies to avoid complications.
Study Design: Distances between the right ureter, aortic bifurcation, and iliac vessels to the midsacral promontory were examined in 25 unembalmed female cadavers and 100 computed tomography (CT) studies. Data were analyzed using Pearson χ(2), unpaired Student t test, and analysis of covariance.
Results: The average distance between the midsacral promontory and right ureter was 2.7 cm (range, 1.6-3.8 cm) in cadavers and 2.9 cm (range, 1.7-5.0 cm) on CT (P = .209). The closest cephalad vessel to the promontory was the left common iliac vein, the average distance being 2.7 cm (range, 0.95-4.75 cm) in cadavers and 3.0 cm (range, 1.0-6.1 cm) on CT (P = .289). The closest vessel to the right of the promontory was the internal iliac artery, with the average distance of 2.5 cm (range, 1.4-3.9 cm) in cadavers and 2.2 cm (range, 1.2-3.9 cm) on CT (P = .015). The average distance from the promontory to the aortic bifurcation was 5.3 cm (range, 2.8-9.7 cm) in cadavers and 6.6 cm (range, 3.1-10.1 cm) on CT (P < .001). The average distance from the aortic bifurcation to the inferior margin of the left common iliac vein was 2.3 cm (range, 1.2-3.9 cm) in cadavers and 3.5 cm (range, 1.7-5.6 cm) on CT (P < .001).
Conclusion: The right ureter, right common iliac artery, and left common iliac vein are found within 3 cm from the midsacral promontory. A thorough understanding of the extensive variability in vascular and ureteral anatomy relative to the midsacral promontory should help avoid serious intraoperative complications during sacrocolpopexy.
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| http://dx.doi.org/10.1016/j.ajog.2013.02.039 | DOI Listing |
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- Understanding the variability in this anatomy is crucial for surgeons to prevent intraoperative issues related to the nearby ureter and blood vessels during procedures.
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