Abstract #3835

MRI-Based Fat Fraction of Psoas and Puborectalis Muscle Increases with Severity of Rectal Prolapse

Jonathan Philip Lam¹, Leila Neshatian², Brooke Gurland³, and Vipul Sheth⁴

¹Radiology, Stanford University, Palo Alto, CA, United States, ²Gastroenterology, Stanford University, Palo Alto, CA, United States, ³General Surgery, Stanford University, Palo Alto, CA, United States, ⁴Stanford University, Palo Alto, CA, United States

Pelvic floor disorders (PFDs) are a very common group of clinical conditions that affect nearly 50% of women aged 80 years or older. While pelvic floor disorders are thought to be associated with pelvic floor muscle weakness, there has not been an established correlation between sarcopenia and PFDs. This single institution, retrospective study evaluates the effect of decreased muscle quantity/quality on severity of pelvic organ prolapse. Our findings suggest increased psoas and puborectalis muscle fat fraction are associated with higher grades of pelvic organ prolapse.

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