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An Analysis of Factors Associated with Increased Perineal Descent in Women

대한대장항문학회지 2012년 28권 4호 p.195 ~ 200
장지나 ( Chang Ji-Na ) - Ewha Womans University School of Medicine Department of Surgery

 ( Chung Soon-Sup ) - Ewha Womans University School of Medicine Department of Surgery


Purpose: Treatment of descending perineal syndrome is focused on personal etiology and on improving symptoms. However, the etiology of increased perineal descent (PD) is unclear. Therefore, the aim of the present study was to evaluate factors associated with increased resting and dynamic PD in women.

Methods: From January 2004 to August 2010, defecographic findings in 201 female patients were reviewed retrospectively. Patient’s age, surgical history, manometric results and defecographic findings were compared with resting and dynamic PD.

Results: Age (P < 0.01), number of vaginal deliveries (P < 0.01) and resting anorectal angle (P < 0.01) were correlated with increased resting PD. Also, findings of rectoceles (P < 0.05) and intussusceptions (P < 0.05) were significantly correlated with increased resting PD. On the other hand, increased dynamic PD was correlated with age (P < 0.05), resting anal pressure (P < 0.01) and sigmoidoceles (P < 0.05). No significant correlation existed between non-relaxing puborectalis, history of pelvic surgery and increased PD. Also, no significant differences in PD according to the symptoms were observed.

Conclusion: Increased number of vaginal deliveries and increased resting rectoanal angle are associated with increased resting PD whereas increased resting anal pressure is correlated with increased dynamic PD. Older age correlates with both resting and dynamic PD. Defecographic findings, such as rectoceles and intussusceptions, are associated with resting PD, and sigmoidoceles correlated with dynamic PD. These results can serve as foundational research for understanding the pathophysiology and causes of increasing PD in women better and for finding a fundamental method of treatment.


Perineum; Women; Defecography; Manometry
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