Postoperative MR Defecography following Failed STARR Procedure for Obstructive Defecation Syndrome: A Three-Centre Experience

Table 3

Diagnostic yield at MR defecography and related complaints in 123 consecutive patients with STARR failure.

MR Findings^&	n°	%	Complaint^&&
Impaired contrast emptying	101	82.11	ODS
Rectocele
<2 cm	41	33.33	Split evacuation/digitation
>2 cm	33	26.82
POP	49	39.83	Prolapse sensation
Uncompliant rectum	40	32.52	Urgency
Anastomotic stricture/granuloma	35	28.45	Pain
Nonrelaxing puborectalis muscle	24	19.51	Tenesmus
Intussusception	15	12.19	Incomplete evacuation
Rectal pocket	7	5.69	Fecal blockade
Anal sphincter damage/scarring	6	4.87	Incontinence
Rectovaginal fistula	2	1.62	Passage of air/discharge
Diverting colostomy	1	0.81	Prior pelvic sepsis

^&More than one finding for patient; ^&&occurring >60% of times.