Stapled transanal rectal resection for obstructed defecation syndrome associated with rectocele and rectal intussusception

Table 1 Longo’s ODS score system

ODS-score (0-40)
Defecation frequency	1-2 def/1-2 d	0	2 def /wk or 3 def or attempts/d	1	1 def/wk or 4 def or attempts/d	2	< 1 def/wk or > 4 def or attempts/d			3
Straining
Intensity	No, light	0	Moderate	1	Intensive	2
Extension			Short time	1	Prolonged	2
Sensation of inco-mplete evacuation	Never	0	≤ 1 time/wk	1	2 times/wk	2	> 2 times/wk			3
Recto/perineal pain/discomfort	Never	0	≤ 1 time/wk	1	2 times/wk	2	> 2 times/wk			3
Activity reduction per week	Never	0	< 25% of activity	2	25%-50% of activity	4	> 50% of activity			6
Laxatives	Never	0	< 25% of def	1	25%-50% of def	3	> 50% of def	5	Always	7
Enemas		0		1		3		5		7
Digitation		0		1		3		5		7

ODS: Obstructed defecation syndrome.