Self-expandable metallic stent placement plus laparoscopy for acute malignant colorectal obstruction

Table 1 Characteristics of the patients in two groups

Characteristics	Stent-laparoscopy	Stent-open	Control
Conversion to open surgery n (%)	2 (12.5)	-	8 (8.3)
Patients	14	58	88
Age (yr)	57.7 ± 9.6	60.2 ± 12.8	59.6 ± 10.1
Gender (male/female)	10/4	36/22	53/35
Site of obstruction
Descending colon	4	15	13
Sigmoid colon	7	26	51
Rectum	3	17	24
TNM stage
I	0	1	5
II	6	24	37
III	5	21	27
IV	3	12	19

TNM: Tumor, node, metastasis.

Table 2 Characteristics and outcomes

	Stent-laparoscopy	Stent-open	Control
Interval between stenting and surgery (d)	13.9 ± 13.2	10.6 ± 13.3	-
Operation time (min)	152.1 ± 44.4	127.4 ± 38.4a	152.3 ± 40.8
Intraoperative blood loss (mL)	54.3 ± 63.0	77.4 ± 132.7	77.1 ± 41.4
Bowel function recovery (d)	3.3 ± 0.9	4.2 ± 1.5a	3.1 ± 0.7
Postoperative hospital stay (d)	6.7 ± 1.1	9.5 ± 6.7a	6.3 ± 3.5
Admitted to ICU n (%)	0 (0.0)	12 (20.7)	8 (9.1)
Postoperative complications
Incision rupture	0	2	0
Incision infection	0	2	1
Anastomotic leakage	0	2	0
Adhesive intestinal obstruction	0	1	0
Postoperative stroke	0	0	1

^aP < 0.05 vs control group. ICU: Intensive care unit.

Table 3 Recurrence, metastasis and treatment

	Stent-laparoscopy	Stent-open1	Control2
Recurrence	1	5	-
Metastasis
Liver	-	3	1
Lung	1	2	-
Uterus	1	-	-
Brain	-	1	-
Pelvic cavity	-	1	3
Multiple organs	-	1	-
Treatment
Surgery	1	3	1
Chemotherapy	1	8	1
Radiotherapy	1	1	-

¹One patient’s treatment was unknown;

²Two patients’ treatments were unknown.