Page 26 - WJOLS

João Odilo Gonçalves Pinto et al

TABLE 2: Causes of conversion (n= 12, 5.85%)

Causes Nr. of patients
Failure of dissection due to inflammatory adhesions 9
Colonic injury* 1
Tear of rectal stump below anastomosis 1
Repair of injury in the right external iliac artery* 1

*During dissection of the inflammatory process

TABLE 3: Postoperative complications
Type Nr Management
Anastomotic stenosis 9 Endoscopic dilatation (05 cases) Open reoperation (04 cases)
Paralytic Ileus 6 Conservative
Incisional hernia 5 Open repair
Pelvic collection 4 Conservative (01 case) Radiological drainage (02 cases)
Laparoscopic re-operation (01 case)
Fistula 3 Open re-operation – Hartmann procedure
Obstruction due to adhesions/bands 3 Conservative (01 case) Open reoperation (02 cases)
Fecal incontinence 2 Conservative
Missed small bowel injury 1 Laparoscopic reoperation
Missed large bowel injury 1 Open reoperation – Hartmann procedure
Abdominal wall hematoma 1 Conservative
Abdominal pain with obstipation 1 Laparoscopic reoperation
Urinary tract infection 1 Medical
Pulmonary embolism 1 Medical
Septicemia 1 Medical
Rectorragie 1 Conservative
Pancreatitis 1 Medical
Sexual dysfunction 1 Conservative
Total 42

TABLE 4: Risk factors studied in univariate analysis for postoperative complications
Postoperative complications
Yes (n = 40) No (n =165) p-value**
Age (yrs) 62.2 ± 11.6 58.6 ± 11.7 0.084
BMI (kg/m²) 25.2 ± 3.9 25.3 ± 3.41 0.828
Steroid therapy 0 6 (3.9%) 0.349
Past abdominal surgery 26 (65%) 97 (59.5%) 0.524
Time from onset of symptoms (yrs) 31.3 ± 36.5 37.9 ± 45.6 0.792*
Complicated diverticulitis 6 (15%) 31 (18.8%) 0.654
Previous acute attacks (< 2) 26 (65%) 96 (63.2%) 0.829
Past urgent treatment 2 (5.3%) 8 (5.1%) 1.000
Associated lesions 6 (15%) 34 (21.4%) 0.508
Adhesions 5 (12.5%) 31 (19.5%) 0.365
Intraoperative complication 3 (7.5%) 7 (4.2%) 0.414
Conversion 4 (10%) 8 (5%) 0.261
Associated procedure 10 (25%) 56 (35%) 0.229
Total length of the procedure (min) 226.4 ± 63.3 204.6 ± 55.0 0.031
Length of the colectomy (min) 209.3 ± 59.8 191.4 ± 48.2 0.049
* Mann and Whitney test
** Student t-test or Fisher exact test

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