Overview of Pelvic Operation for Obstructive Defecation
Transcript of Overview of Pelvic Operation for Obstructive Defecation
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Overview of Pelvic Operation for Obstructive Defecation
Michael Heit MD PhD Female Pelvic Medicine and Reconstructive Surgery
Indiana University School of Medicine
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The Paradox • Rectoceles are often asymptomatic • Rectoceles are common in healthy
volunteers and constipated subjects • Structural repairs are not always
“successful”
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Introduction • Do rectoceles cause defecatory dysfunction? • Does defecatory dysfunction cause rectoceles? • Do other sources of defecatory dysfunction effect
surgical outcomes? • Does structural repair improve function?
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Vaginal fascial attachments
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Vaginal support
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Rectocele
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Posterior Enterocele
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Rectocele
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Posterior Vaginal Wall Bulge
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Do rectoceles cause symptoms?
• 98 women • Flouroscopic diagnosis
– Contrast retention – Anterior rectal wall protrusion
• 76 rectoceles • 22 normals
Kenton Int Urogynecol J 1999;10:96-99
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0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Man evac Diff defecation Constipation Prolapse Sex dysfunction FI
RectoceleNormal
Do rectoceles cause symptoms?
Kenton Int Urogynecol J 1999;10:96-99
No correlation between contrast retention and symptoms
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Do rectoceles cause incomplete emptying?
• Evacuation proctography • 11 patients with rectocele/barium trapping • 11 patients with rectocele matched for size • 11 without rectocele • Balloon evacuation to simulate stool
Halligan Dis Colon Rectum 1995;38:764-768
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Do rectoceles cause incomplete emptying?
Halligan Dis Colon Rectum 1995;38:764-768
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Do enteroceles obstruct defecation?
• 47 constipated patients • 31 controls • Proctography/Peritoneography • 36 (77%) constipated patients with
peritoneocele • Peritoneal descent greater in constipated
patients (3.5 vs. 0.4cm, p<0.001) Halligan AJR 1996;167:461-466
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Do enteroceles obstruct defecation?
Halligan AJR 1996;167:461-466
P = 0.008 P = 0.02
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Does defecatory dysfunction cause prolapse
• Case control study • 73 patients
– Controls (n = 27) – SUI (n = 23) – Uterovaginal prolapse (n = 23)
• Controlled for parity, heaviest baby, age, menopausal status, forceps delivery
Spence-Jones Br J of Ob/Gyn 1994;101:147-152
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Onset Symptoms Controls (n = 27)
SUI (n = 23)
UV prolapse (n = 23)
P
Young adult
Straining 1 (4%) 7 (30%)1 14 (61%)2 10.018, 20.0001
BM < 2/wk 2 (27%) 2 (23%) 11 (48%)3 30.002
Total 2 (27%) 7 (30%) 15 (65%)
At present
Straining 1 (4%) 4 (17%) 19 (83%)4 40.00001
BM < 2/wk 2 (8%) 3 (13%) 14 (61%)5 50.00006
Total 3 (11%) 6 (26%) 22 (95%)6 60.00001
Spence-Jones Br J of Ob/Gyn 1994;101:147-152
Does defecatory dysfunction cause prolapse
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Are functional results after rectocele repair affected by anismus
• Anismus – Symptoms of obstructed defecation – Paradoxical increase EMG activity or anal
sphincter pressure with straining • 1996-1998 • 59 patients • Transanal repair • 6 mos follow-up
Tjandra Dis Colon Rectum 1999;42:1544-1550
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Symptom No Anismus Anismus
Preop Postop Preop Postop P
Constipation 43 16 (37) 16 11 (69) 0.03
Vaginal bulge 409 5 (13) 12 2 (17) 0.71
Vaginal stenting 24 3 (13) 4 2 (50) 0.71
Rectal stenting 23 3 (13) 9 6 (67) 0.002
Laxative use 43 29 (67) 16 14 (88) 0.124
Enema use 7 2 (29) 5 4 (80) 0.079
Are functional results after rectocele repair affected by anismus
Tjandra Dis Colon Rectum 1999;42:1544-1550
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Functional outcomes after rectocele repair
40
69
4
05
1015
2025
3035
40
Improved evacuation QOL index
No anismusAnismus
Tjandra Dis Colon Rectum 1999;42:1544-1550 P < 0.05
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P O S T E R I O R
R E P A I R
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Posterior colporrhaphy: Effects on bowel and sexual function
• 1989-1994 • 231 patients
– 171 interviewed (74%) – 140 examined (61%)
• Retrospective cohort • Levator ani muscles incorporated • 76% rectocele cure rate
Kahn, Br J Obstet Gynecol 1997;104:82-86
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64%
31%36%
23%27%
38%
22%
33%
4%11%
18%
27%
0%
10%
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30%
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50%
60%
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Lump, Int Lump, exam Incomplete evac Constipation FI Sex dysfunction
PreopFollow-up
Posterior colporrhaphy: Effects on bowel and sexual function
Kahn, Br J Obstet Gynecol 1997;104:82-86 P < 0.05
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Site specific defect repair
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Anatomic and functional assessment of discrete rectocele repair
• 69 patients • Retrospective cohort study • Follow-up
– Initial follow-up 6 weeks – Long term follow-up 24 mos
• Symptom questionnaire (RR 87%) • 82% rectocele cure rate
Cundiff Am J Obstet Gynecol 1998;179:1451-7
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100%
16%
100%
15%
37%36%
29%
19%
46%
13%
32%
15%
39%
25%
13%8%
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Pressure Protrusion Apareunia Dyspareunia Constipation Tenesmus Splinting FI
PreopPostop
Anatomic and functional assessment of discrete rectocele repair
Cundiff Am J Obstet Gynecol 1998;179:1451-7
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CARE Study RCT • 305 patients with Stage II-IV POP • Abdominal Sacrocolpopexy ± Burch
– 87 with posterior repair – 211 without posterior repair
• 1 year follow-up
Bradley CS, Nygaard IE, Brown MB, et al. Bowel symptoms in women 1 year after sacrocolpopexy. Am J Obstet Gynecol 2007;197:642.e1-642.e8.
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Abdominal Sacrocolpopexy
Bradley CS, Nygaard IE, Brown MB, et al. Bowel symptoms in women 1 year after sacrocolpopexy. Am J Obstet Gynecol 2007;197:642.e1-642.e8.
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CARE Study RCT • 71-88% reduction in symptoms of
– Digital assistance to defecate – Excessive straining – Feeling of incomplete evacuation
• 50-75% reduction in fecal and/or flatal incontinence • 10% denovo symptoms (with posterior repair)
– Fecal incontinence with activity – Pain prior to defecation
Bradley CS, Nygaard IE, Brown MB, et al. Bowel symptoms in women 1 year after sacrocolpopexy. Am J Obstet Gynecol 2007;197:642.e1-642.e8.
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Conclusion • Do rectoceles cause defecatory dysfunction? • Does defecatory dysfunction cause rectoceles? • Do other sources of defecatory dysfunction effect
surgical outcomes? • Does structural repair improve function?