PO Box 2345, Beijing 100023, China World J Gastroenterol 2004;10(23):3534-3536
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• BRIEF REPORTS •
Successful management of a benign anastomotic colonic stricture
with self-expanding metallic stents: A case report
Yong-Song Guan, Long Sun, Xiao Li, Xiao-Hua Zheng
Yong-Song Guan, Long Sun, Xiao Li, Xiao-Hua Zheng, Department
of Radiology Huaxi Hospital, Sichuan University, Chengdu 610041,
Sichuan Province, China
Correspondence to: Dr. Yong-Song Guan, Department of Radiology,
Huaxi Hospital, Sichuan University, 37 Guoxuexiang, Chengdu
610041, Sichuan Province, China. yongsongguan@yahoo.com
Telephone: +86-28-85421008 Fax: +86-28-85421008
Received: 2004-02-11 Accepted: 2004-02-21
Abstract
AIM: To assess the effectiveness of and complications
associated with metallic stent placement for treatment of
anastomotic colonic strictures.
METHODS: A 46-year-old man underging two procedures
of surgery for perforation of descending colon due to a
traffic accident presented with pain, abdominal distention,
and inability to defecate. Single-contrast barium enema
radiograph showed a severe stenosis in the region of
surgical anastomosis and the patient was too weak to accept
another laparotomy. Under fluoroscopic and endoscopic
guidance, we placed two metallic stents in the stenosis
site of the anastomosis of the patient with anastomotic
colonic strictures.
RESULTS: In this case of postsurgical stenosis, the first
stent relieved the symptoms of obstruction, but stent
migration happened on the next day so an additional stent
was required to deal with the stricture and relieve the
symptoms.
CONCLUSION: This case confirms that metallic stenting
may represent an effective treatment for anastomotic
colonic strictures in the absence of other therapeutic
alternatives.
Guan YS, Sun L, Li X, Zheng XH. Successful management of
a benign anastomotic colonic stricture with self-expanding
metallic stents: A case report. World J Gastroenterol 2004;
10(23): 3534-3536
http://www.wjgnet.com/1007-9327/10/3534.asp
INTRODUCTION
Self-expandable metallic stent treatment for colorectal diseases
was falling behind that for other organs. Recently, however,
there have been many reports on the use of self-expanding
metallic stents in colorectal diseases, mainly from the West.
Self-expanding metallic stent is generally used as a palliative
treatment for malignant strictures of the colon and rectum and
before bridge as a surgery for obstructing colorectal cancers
[1-3]
.
Some investigators have reported on the usefulness of self-
expanding metallic stents for strictures of benign diseases
[4,5]
.
Management of narrow (<5-mm) colonic anastomotic
stricture mainly is performed endoscopically by repeated
balloon dilation, often ineffectively
[6]
. The use of metallic self-
expanding stents in malignant and benign strictures of the large
bowel has been suggested only recently, and is still being
debated
[7,8]
. In this report we proposed a single-stage procedure
that we developed to manage narrow anastomotic colonic
strictures.
CASE REPORT
A 46-year-old man underging two procedures of surgery for
perforation of descending colon due to a traffic accident presented
with pain, abdominal distention, and inability to defecate. Single-
contrast barium enema radiograph showed a severe stenosis in
the region of surgical anastomosis. The patient was too weak
to accept another laparotomy. He reached us with a significant
stricture of the descending colon anastomoses (smaller than
5 mm in diameter).
With the patient in supine position and two knee joints
reflexing, a catheter was inserted over a hydrophilic guide-
wire through the anus to the lesion targeted under fluoroscopic
and endoscopic guidance. An 85-cm 6-F catheter (Cook) and
a 180-cm 0.35-inch guide wire (Bard) were used. The guide
wire was maneuvered passing the stricture and the catheter
was advanced. This guide wire was then replaced with
another guide wire (Amplatz super stiff Guide Wire) for stent
delivery and insertion. The stent was then positioned precisely
across the lesion and released. The symptoms were released
immediately, but on the next day the patient manifested
abdominal distention, and inability to defecate. Anteroposterior
radiographs from a follow-up barium study showed the stent
migrated and a second stent was needed. The second stent
was deployed with the same stent placement techniques.
Radiographs obtained after a water-soluble enema on the day
after the second stent deployed showed that the stents
expanded to provide an adequate lumen (Figures 1-4). The first
coated stent (Nanjing MicroTech, China) was 12-cm in length,
32-mm in diameter. The second uncoated stent (Nanjing
MicroTech, China) was 20-cm in length, 32-mm in diameter. At
the time of this writing, ie, 18 mo of follow-up evaluation, the
patient could defecate without any difficulty.
Figure 1 Stenosis at the segment of descending colon, less than
5 mm in diameter.