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The Functional Luminal Imaging Probe (FLIP): A Good Tool for Adjustment of anal Canal Dimensions During Operative
Ahmed Farag1, Abdrabou N Mashhour1, Mohamed M Raslan1
1Cairo University Kasr Alainy Faculty of Medicine, Egypt.
Purpose:
Fecal incontinence is a troublesome problem in the field of colorectal surgery. The main aim of this study was to adjust the anal canal resistance during operative management of anal incontinence using Endo-FLIP.
Methods:
This was a prospective cohort study held at Cairo university hospital. Hundred forty-eight incontinent patients treated by different surgical procedures were included. During the procedure the Endo-FLIP was applied to adjust the anal canal dimensions (ACL and ACD) so the ACR could be adjusted based on the flow equation. These were also assessed pre-operatively with Endo-FLIP system and the flow equation calculator. The clinical severity of the disease and outcome after surgical procedures were assessed and correlated to the physiologic parameters.
Results:
ACL, ACD and ACR had had significant correlations to the degree of incontinence (P < .001). ACL, ACD and ACR showed statistically significant change with primary repair and gluteus maximus transposition operations. After treatment of fecal incontinence, in good responders' group, the mean resting anal canal resistance increased significantly to 4649.05 ± 1161.49 (postoperative) while in poor responders' group it was 1919.9 ± 1077.73.
Conclusions:
The Endo-flip can be used to measure the anal canal geometric parameters (ACL and ACD) and then anal canal resistance could be calculated by the flow equation - pre-and post-operatively- which help the adjustment of the surgical repair of sphincter injury in fecal incontinence patients which may improve the surgical outcome.
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