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287 Surgical decision-making 14 TABLE 3. Answers to case-based questions by 28 responders using AMAN and CM (11 from GI, 17 from surgery); n (%). Responders were asked to select their preferred initial treatment based on the case. Case 1 Case 2 Case 3 Case 4 AMAN: normal CM: normal AMAN: absent RAIR a CM: normal AMAN: high RP CM: normal AMAN: normal CM: abnormal b Anal botulinum toxin injections 2 (7) 13 (46) 18 (64) 0 GI 1 (9) 7 (64) 9 (82) 0 surgery 1 (6) 6 (35) 9 (53) 0 Anal sphincter myectomy 0 1 (4) 1 (4) 1 (4) GI 0 0 0 0 surgery 0 1 (6) 1 (6) 1 (6) Anal dilation 2 (7) 1 (4) 3 (11) 0 GI 1 (9) 1 (9) 1 (9) 0 surgery 1 (6) 0 2 (12) 0 Antegrade continence enemas 17 (61) 4 (14) 0 12 (43) GI 9 (82) 2 (18) 0 6 (55) surgery 8 (47) 2 (12) 0 6 (35) Sacral nerve stimulation 1 (4) 2 (7) 0 1 (4) GI 0 0 0 1 (9) surgery 1 (6) 2 (12) 0 0 Diverting ileostomy 1 (4) 0 0 0 GI 0 0 0 0 surgery 1 (6) 0 0 0 (Segmental) colonic resection 0 0 0 3 (11) GI 0 0 0 1 (9) surgery 0 0 0 2 (12) Colostomy 0 0 0 1 (4) GI 0 0 0 1 (9) surgery 0 0 0 0 Ileo-anal anastomosis 0 0 0 0 GI 0 0 0 0 surgery 0 0 0 0 I don’t know 3 (11) 4 (14) 2 (7) 5 (18) GI 0 0 0 0 surgery 3 (18) 4 (24) 2 (12) 5 (29) Missing 2 (7) 3 (11) 4 (14) 5 (18) GI 0 1 (9) 1 (9) 2 (18) surgery 2 (12) 2 (12) 3 (18) 3 (18) Abbreviations: AMAN: anorectal manometry; CM: colonic manometry; GI: gastroenterology; RAIR: rectoanal inhibitory reflex; RP: resting pressure. The boldface entries represent the total number of responders who preferred a certain treatment for the specific case. a Normal rectal biopsy. b Absence of high-amplitude propagating contractions in the left colon.