Favorable surgical treatment outcomes for chronic constipation with features of colonic pseudo-obstruction

Table 1 Preoperative clinical characteristics and postoperative results of patients with constipation

		CPO (n = 33)	STC (n = 9)	P value
Preoperative clinical characteristics
Sex (male/female)	21/21	16/17	5/4	0.43
Age (yr)	51.2 ± 16.1	50.7 ± 16.2	53.2 ± 16.6	0.23
Constipation duration (mo)	67.1 ± 72.8	38.3 ± 49.4	69.7 ± 75.1	0.34
Defecation frequency (times/wk)	1.6 ± 0.5	1.5 ± 0.3	1.6 ±0.6	0.15
Postoperative results
Gas passing (d)	4.2 ± 1.5	4.1 ± 1.0	5.1 ± 0.8	< 0.01
Postoperative hospital stay (d)	11.4 ± 4.7	10.7 ± 4.9	13.3 ± 3.2	0.07
Defecation frequency (times/d) at 3 mo postop	5.1 ± 3.6	4.2 ± 3.2	5.2 ± 3.1	0.56

CPO: Colonic pseudo-obstruction; STC: Slow-transit constipation.

Table 2 Results of histologic examination in two groups

	CPO (n = 33)	STC (n = 9)
Hypogangliosis or agangliosis	23	0
Hypogangliosis with neuropathy or myopathy	10	0
Viceral neuropathy	0	6
Viceral myopathy	0	3

CPO: Colonic pseudo-obstruction; STC: Slow-transit constipation.

Table 3 Early and late postoperative complications

Complications	CPO	STC	P value
Early complications (n = 7)
Wound infection	3	0	0.47
Ileus	1	2	0.33
Intra-abdominal abscess	1	0	0.78
Late complications (n = 10)
Small-bowel obstruction	0	5	< 0.01
Diarrhea	2	2	0.15

CPO: Colonic pseudo-obstruction; STC: Slow-transit constipation.

Table 4 Quality of life scoring (questionnaire) and postoperative satisfaction n (%)

Scores	Quality of life scoring	CPO	STC
1	Poor	0 (0)	0 (0)
2	Unhappy	0 (0)	1 (11.1)
3	Good/satisfied	5 (15.6)	2 (22.2)
4	Improved	25 (78.1)	5 (55.6)
5	Very good	2 (6.3)	1 (11.1)
Scores of ≥ 3		32/32 (100)	8/9 (89)

CPO: Colonic pseudo-obstruction; STC: Slow-transit constipation.