Value of contrast-enhanced multidetector computed tomography in imaging of symptomatic patients after laparoscopic Roux-en-Y gastric bypass and laparoscopic sleeve gastrectomy

Egyptian Journal of Radiology and Nuclear Medicine

Table 4 Comparison of UGIS and CT in the detection of Roux-en-Y gastric bypass postoperative complications (N = 35)

Complication	UGIS		CT		Chi-square
	No.	%	No.	%	χ²	P
Leakage	2	100.0	2	100.0	0.000	1.000
Perigastric collection and hematoma	0	0.0	3	100.0	2.667	0.103
Internal hernia.	0	0.0	14	100.0	24.143	< 0.001
Intestinal obstruction	0	0.0	6	100.0	8.333	0.004
intussusception	0	0.0	6	100.0	8.333	0.004
luminal narrowing	1	100.0	1	100.0	0.000	1.000
Distended bowel and weight gain	2	100.0	2	100.0	0.000	1.000
Gastroesophageal spasm	1	100.0	1	100.0	0.000	1.000

This table shows a statistically significant difference between UGIS and CT regarding to internal hernia, intestinal obstruction, and intussusception