The objective of this study is to investigate if low level laser therapy will do more good than harm for patients with severe refractory fecal incontinence. It is a proof of concept study without a placebo arm.
The therapy consists of a 3 week treatment with a total of 8 sessions of low level laser therapy. Effects will be assessed using symptoms and quality of life questionnaires and physiological assessments of pelvic floor function, at 4 weeks and 12 weeks after beginning of treatment.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
20
A 3 week treatment period with a total of 8 treatments of 1 hour over the sacral spinal cord
McMaster University
Hamilton, Ontario, Canada
RECRUITINGChange in number of fecal incontinence episodes
Number of fecal incontinence episodes per week
Time frame: 4 weeks and 12 weeks
Change in Quality of Life
The Fecal Incontinence Quality of Life Assessment is a subject-completed questionnaire. It is measured in each of four areas of depression/self-perception (7 items), lifestyle (10 items), coping (9 items), and embarrassment (3 items). Area scores are measured on a 1 (worse) to 4 (best) scale and are each the average of their component individual item scores measured on the same scale. The total score is the mean of all non-missing items. A negative change from baseline indicates improvement. Minimum important difference is 4 (Forte et al., 2016)
Time frame: 4 weeks and 12 weeks
Change in symptoms score
St. Mark's Incontinence (Vaizey) Score, it is a scale from 0-24 where 0=perfect continence and 24 is complete continence. Minimal important difference is 3 (Forte et al., 2016)
Time frame: 4 and 12 weeks
Change in anal sphincter tone
Anal sphincter tone (mmHg)
Time frame: 12 weeks
Change in increase of anal sphincter pressure during squeezing
Difference between anal sphincter squeeze pressure and resting pressure (mmHg)
Time frame: 12 weeks
Change in squeezing duration
Anal sphincter sustained squeezing duration (seconds)
Time frame: 12 weeks
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