Etiology |
number |
(%) |
Obstetric |
8 |
(20) |
Unknown |
8 |
(20) |
Bartholin’s cyst |
5 |
(13) |
Crohns |
6 |
(15) |
Criptoglandular |
3 |
(7) |
Radiotheraphy |
3 |
(7) |
Sphincteroplasty |
3 |
(7) |
Ulcerative Colitis |
2 |
(5) |
STARR* |
1 |
(3) |
Hysterectomy |
1 |
(3) |
* Stapled transanal rectal resection.
TABLE 2. – Surgical procedures in 35 operated patients.
Procedure |
number |
(%) |
Sphyncteroplasty |
12 |
(34) |
Layered closure |
10 |
(28) |
EAF* |
5 |
(14) |
Colectomy and coloanal |
2 |
(6) |
Omentoplasty |
1 |
(3) |
Permanent diversion |
1 |
(3) |
Temporary diversion only |
1 |
(3) |
Fistulotomy |
1 |
(3) |
Ileal resection |
1 |
(3) |
Martius flap |
1 |
(3) |
* Endorectal advancement flap.
Table 3. – Pescatori’s classification of anal incontinence.
Type of incontinence |
Frequency of episodes |
A = incontinence to mucus or flatus |
1 = sporadic |
B = Incontinence to liquids |
2 = often |
C = Incontinence to solids |
3 = always |
Table 4. – Variables examined in statistical analysis.
Age |
Fistula height |
Fistula complexity |
Etiology |
Type of surgery |
Prior RVF surgery |
Prior anorectal surgery |
Interposition of vascularized tissue* |
Concomitant levatorplasty |
Temporary diversion |
Preoperative continence score |
Postoperative continence score |
Low manometric pressure |
Low rectal volume |
TRUS sphincter defects |
* External sphincter, levator ani, bulbocavernous muscle
Table 5. – Postoperative complications. Complications within one month of surgery in 35 operated patients.
Complication |
number |
(%) |
Death |
1 |
(2) |
Suture dehiscence |
4 |
10) |
Perianal fistula |
1 |
(2) |