4 Comparing anorectal function tests 109 Table 16. Surface electromyography (s-EMG) versus digital rectal examination (DRE) by the surgeon DRE surgeon Relaxation Indifferent Paradoxical Total s-EMG Relaxation 9 3 0 12 Indifferent 7 8 7 22 Paradoxical 1 6 9 16 Total 17 17 16 50 S-EMG versus DRE by the pelvic floor physical therapist (n=50) In 31 (62%) patients the test results were similar (Table 17). Table 17. Surface electromyography (s-EMG) versus digital rectal examination (DRE) by the pelvic floor physical therapist DRE pelvic floor physical therapist Relaxation Indifferent Paradoxical Total s-EMG Relaxation 12 0 0 12 Indifferent 6 10 6 22 Paradoxical 0 7 9 16 Total 18 17 15 50 3D-HRAM versus DRE by the surgeon (n=50) In 26 (52%) patients the test results were similar (Table 18). Five patients were classified as ‘paradoxical’ straining by the surgeon while these patients showed ‘relaxation’ on 3D-HRAM. The other way around; one patient was classified ‘paradoxical’ with 3D-HRAM but the surgeon classified DRE as ‘relaxation’. Table 18. 3D high resolution anorectal manometry (3D-HRAM) versus digital rectal examination (DRE) by the surgeon DRE surgeon Relaxation Indifferent Paradoxical Total 3D-HRAM Relaxation 12 6 5 23 Indifferent 4 5 2 11 Paradoxical 1 6 9 16 Total 17 17 16 50 3D-HRAM versus DRE by the pelvic floor physical therapist (n=50) Results were almost similar to the surgeon’s DRE.
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