Gastroenterol Res

Gastroenterology Research, ISSN 1918-2805 print, 1918-2813 online, Open Access

Article copyright, the authors; Journal compilation copyright, Gastroenterol Res and Elmer Press Inc

Journal website http://www.gastrores.org

Original Article

Volume 11, Number 4, August 2018, pages 305-308

Relationship Between the Intraperitoneal Stent Length in Endoscopic Ultrasound-Guided Hepaticogastrostomy and Surgically Altered Upper Gastrointestinal Anatomy in Patients With Malignant Biliary Obstruction

**Table 1.** Patient Characteristics
SD: standard deviation; EUS-HGS: endoscopic ultrasound-guided hepaticogastrostomy; ERCP: endoscopic retrograde cholangiopancreatography.
Mean age (SD), years	74.3 (14.7)
Male, n	8
Primary cancer, n
Pancreatic cancer	6
Gastric cancer	3
Biliary tract cancer	2
Hepatocellular carcinoma	1
Reasons for EUS-HGS, n
Failed ERCP	6
Failed passage of the endoscope due to a malignant duodenal stricture	4
Failed passage of the endoscope due to a malignant afferent loop stricture with recurrence of cancer	2

Table 1. Patient Characteristics

SD: standard deviation; EUS-HGS: endoscopic ultrasound-guided hepaticogastrostomy; ERCP: endoscopic retrograde cholangiopancreatography.

Mean age (SD), years

74.3 (14.7)

Male, n

Primary cancer, n

Pancreatic cancer

Gastric cancer

Biliary tract cancer

Hepatocellular carcinoma

Reasons for EUS-HGS, n

Failed ERCP

Failed passage of the endoscope due to a malignant duodenal stricture

Failed passage of the endoscope due to a malignant afferent loop stricture with recurrence of cancer

**Table 2.** Outcomes of EUS-HGS
EUS-HGS: endoscopic ultrasound-guided hepaticogastrostomy; SD: standard deviation.
Procedural success, n	12
Mean procedural time (SD), min	41.2 (12.6)
Adverse events
Stent migration, n	0
Stent dislocation, n	0
Biliary peritonitis, n	0
Liver abscess, n	1
Mean intragastric stent length (SD), mm	57.4 (7.1)
Mean intraperitoneal stent length (SD), mm	15.7 (6.1)

Table 2. Outcomes of EUS-HGS

EUS-HGS: endoscopic ultrasound-guided hepaticogastrostomy; SD: standard deviation.

Procedural success, n

Mean procedural time (SD), min

41.2 (12.6)

Adverse events

Stent migration, n

Stent dislocation, n

Biliary peritonitis, n

Liver abscess, n

Mean intragastric stent length (SD), mm

57.4 (7.1)

Mean intraperitoneal stent length (SD), mm

15.7 (6.1)

**Table 3.** Comparison of Outcomes Between Patients With (Group A) and Those Without (Group B) Surgically Altered Upper Gastrointestinal Anatomy
	Group A (N = 6)	Group B (N = 6)	Two-tailed P-value	Odds ratio	95% CI
HCC: hepatocellular carcinoma; EUS-HGS: endoscopic ultrasound-guided hepaticogastrostomy; ERCP: endoscopic retrograde cholangiopancreatography; SD: standard deviation; CI: confidence interval. ^aStudent’s t-test, ^bFisher’s exact test.
Mean age (SD), years	66.6 (14.3)	82.0 (11.5)	0.068^a	-	-1.376 - 32.043
Male, n	6	2	0.060^b	-	0.968 - 9.302
Primary cancer, n			0.545^b	0.23	0.25 - 1.442
Pancreato-biliary	3 (pancreas 2, biliary tract 1)	5 (pancreas 4, biliary tract 1)
Others	3 (gastric cancer)	1 (HCC)
Reasons for EUS-HGS, n			1.000^b	1	0.323 - 3.101
Failed ERCP	3	3
Failed passage of the endoscope	3 (malignant duodenal stricture 1, malignant afferent loop stricture 2)	3 (malignant duodenal stricture)
Procedural success, n	6	6	-	-	-
Mean procedural time (SD), min	35.0 (9.4)	47.5 (13.0)	0.085^a	-	-2.108 - 27.108
Stent migration, n	0	0	-	-	-
Stent dislocation, n	0	0	-
Biliary peritonitis, n	0	0	-	-	-
Liver abscess, n	1	0	1.000^b	-	-
Mean intraperitoneal stent length (SD), mm	11.6 (4.4)	19.8 (4.8)	0.012^a	-	2.185 - 14.147
Mean intragastric stent length (SD), mm	57.8 (7.6)	57.0 (7.2)	0.850^a	-	-10.432 - 8.766

Table 3. Comparison of Outcomes Between Patients With (Group A) and Those Without (Group B) Surgically Altered Upper Gastrointestinal Anatomy

Group A (N = 6)

Group B (N = 6)

Two-tailed P-value

Odds ratio

95% CI

HCC: hepatocellular carcinoma; EUS-HGS: endoscopic ultrasound-guided hepaticogastrostomy; ERCP: endoscopic retrograde cholangiopancreatography; SD: standard deviation; CI: confidence interval. ^aStudent’s t-test, ^bFisher’s exact test.

Mean age (SD), years

66.6 (14.3)

82.0 (11.5)

0.068^a

-1.376 - 32.043

Male, n

0.060^b

0.968 - 9.302

Primary cancer, n

0.545^b

0.23

0.25 - 1.442

Pancreato-biliary

3 (pancreas 2, biliary tract 1)

5 (pancreas 4, biliary tract 1)

Others

3 (gastric cancer)

1 (HCC)

Reasons for EUS-HGS, n

1.000^b

0.323 - 3.101

Failed ERCP

Failed passage of the endoscope

3 (malignant duodenal stricture 1, malignant afferent loop stricture 2)

3 (malignant duodenal stricture)

Procedural success, n

Mean procedural time (SD), min

35.0 (9.4)

47.5 (13.0)

0.085^a

-2.108 - 27.108

Stent migration, n

Stent dislocation, n

Biliary peritonitis, n

Liver abscess, n

1.000^b

Mean intraperitoneal stent length (SD), mm

11.6 (4.4)

19.8 (4.8)

0.012^a

2.185 - 14.147

Mean intragastric stent length (SD), mm

57.8 (7.6)

57.0 (7.2)

0.850^a

-10.432 - 8.766