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Case Report Gastrocolocutaneous Fistula: An Unusual Case of Gastrostomy Tube Malfunction with Diarrhea
Junghwan Lee1, Jinyoung Kim1, Ha il Kim1, Chung Ryul Oh1, Sungim Choi1, Soomin Noh1, Hee Kyong Na2,orcid, Hwoon-Yong Jung2
Clinical Endoscopy 2018;51(2):196-200.
DOI: https://doi.org/10.5946/ce.2017.062
Published online: August 31, 2017

1Department of Internal Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea

2Division of Gastroenterology, Department of Internal Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea

Correspondence: Hee Kyong Na Division of Gastroenterology, Department of Internal Medicine, University of Ulsan College of Medicine, Asan Medical Center, 88 Olympic-ro, 43-gil, Songpa-gu, Seoul 05505, Korea Tel: +82-2-3010-5676, Fax: +82-2-2045-4043, E-mail: hkna77@naver.com
• Received: April 25, 2017   • Revised: July 20, 2017   • Accepted: July 21, 2017

Copyright © 2018 Korean Society of Gastrointestinal Endoscopy

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • A gastrocolocutaneous fistula is a rare complication of percutaneous endoscopic gastrostomy (PEG). We report a case of a gastrocolocutaneous fistula presenting with intractable diarrhea and gastrostomy tube malfunction. A 62-year-old woman with a history of multiple system atrophy was referred to us because of PEG tube malfunction. Twenty days prior to presentation, the patient started developing sudden diarrhea within minutes after starting PEG feeding. Fluoroscopy revealed that the balloon of the PEG tube was located in the lumen of the transverse colon with the contrast material filling the colon. Subsequently, the PEG tube was removed and the opening of the gastric site was endoscopically closed using hemoclips. Clinicians should be aware of gastrocolocutaneous fistula as one of the complications of PEG insertion. Sudden onset of diarrhea, immediately after PEG feedings, might suggest this complication, which can be effectively treated with endoscopic closure.
  • Keywords: Gastrostomy; Complications; Fistula
Percutaneous endoscopic gastrostomy (PEG) is a safe and effective method for providing long-term enteral nutrition. However, previous studies have reported possible complications such as wound infection, tube dislodgement, peristomal leakage, bleeding, internal organ injury, necrotizing fasciitis, and aspiration pneumonia [1]. Most complications are minor, but some rare severe complications may be life threatening [2]. Gastrocolocutaneous fistula is a rare complication of PEG tube placement, with an incidence rate of 0.5%–3% [3]. This complication develops from the perforation of the interposed colon when a PEG tube is placed into the stomach. Affected patients usually remain asymptomatic for a few days to several months. Therefore, gastrocolocutaneous fistula is usually unrecognized until the tube is replaced or until typical symptoms develop [4]. We report a case of a gastrocolocutaneous fistula that presented with diarrhea and gastrostomy tube malfunction.
A 62-year-old woman with a medical history of multiple system atrophy was admitted to our institution owing to gastrostomy tube malfunction that seemed to manifest during the day time. The patient had undergone uneventful PEG four months ago and had been fed without difficulty via the PEG tube. However, twenty days prior to presentation, the patient had begun to develop sudden diarrhea within minutes after starting PEG feedings. She had been treated with antidiarrheal medication, but it had proven ineffective. Subsequently, the PEG tube was clogged, and the patient was referred to the emergency department.
The patient was hemodynamically stable, and physical examination revealed a soft and flat abdomen with normal bowel sounds. Laboratory findings were all within normal limits. A radiologic study with gastrografin, administered through the PEG tube, showed the balloon of the PEG tube in the lumen of the transverse colon with the contrast material filling the transverse colon (Fig. 1). The PEG tube was immediately removed, and the gastric side opening was endoscopically closed using argon plasma coagulation and hemoclips (Fig. 2).
Computed tomography (CT) of the abdomen and pelvis showed a linear tract anterior to the transverse colon, with the stomach located behind the transverse colon (Fig. 3). No pneumoperitoneum, abnormal fluid collections, or peritonitis was observed. One week after removal of the PEG tube, esophagogastroduodenoscopy (EGD) was performed. Fluoroscopy revealed that no contrast material had entered the colon or the peritoneal space when the contrast was shot through the EGD biopsy channel towards the previous gastrostomy site (Fig. 4). Follow-up CT scan showed obliteration of the previous fistulous tract, and enteral feeding was initiated via a nasojejunal feeding tube. Because the patient and her family refused to undergo additional PEG procedure, surgical gastrostomy was scheduled and the patient was sent back to a rehabilitation hospital.
Gastrocolocutaneous fistula is a rare complication of PEG, which occurs when a PEG tube penetrates the interposed colon between the abdominal wall and the stomach during the initial insertion of PEG [5]. Adhesion from the previous laparotomy has been suggested as one of the major risk factors for gastrocolocutaneous fistula; however, a previous review reported that only 8 of the 28 patients with gastrocolocutaneous fistula had undergone previous abdominal surgery [6,7]. Similarly, our patient did not have a history of abdominal surgery. Gastroenterologists should consider the possibility of colonic interposition between the abdominal wall and the stomach during insertion of PEG tube, even in patients without a history of abdominal surgery. High-riding transverse colon, abnormal posture and spinal deformity, and over-distended stomach during EGD may contribute to the development of gastrocolocutaneous fistula [7-9].
Although a gastrocolocutaneous fistula may form at the time of insertion of the PEG tube, symptoms may not manifest until the PEG tube migrates into the transverse colon or until the tube is replaced [10]. For patients who do not undergo tube replacement, an asymptomatic period may persist up to several months after the initial PEG tube placement [7]. When the tube lodges in the transverse colon, patients present typical symptoms, such as sudden onset of diarrhea, within minutes after starting PEG tube feeding, and passage of undigested feeding formula [11]. Appearance of fecal material in the PEG tube or feculent vomiting may also be a result of the retrograde passage of fecal material from the colon via the fistula [12]. In our case, the typical symptoms manifested approximately 3 months after PEG procedure, and gastrocolocutaneous fistula was diagnosed when the patient was referred to our center owing to gastrostomy tube malfunction.
Several techniques have been suggested to minimize the risk of colon penetration. Strodel et al. suggested identifying the interposing colon between the abdominal wall and the stomach by aspirating a saline-filled syringe to detect air bubbles that appear before the endoscopic visualization of the needle in the gastric lumen [13]. Excessive inflation of air into the stomach during PEG procedure makes the transverse colon interpose between the abdominal wall and the stomach; therefore, excessive inflation of air into the stomach should be avoided during the procedure [6]. The use of ultrasound or CT scan can be considered in patients with complex abdominal anatomy. Techniques such as trans-illumination and finger pressure help guide the placement of the puncture site.
When gastrocolocutaneous fistula formation is suspected, upper endoscopy is recommended. Radiologic study with a water-soluble contrast medium or abdominal CT scan may help confirm the diagnosis [11]. Colonic haustra and gastrostomy tract can be visualized through fluoroscopic images and CT scan, as in our case.
Data in the previous reports are insufficient to propose standard management for gastrocolocutaneous fistula. In most cases, treatment for gastrocolocutaneous fistula aims to allow spontaneous closure of the fistula by removing the feeding tube [4,7,9,14]. A laparotomy is recommended only if there is an evidence of peritonitis [7,15,16]. Previously reported cases in which gastrocolocutaneous fistula was conservatively treated are summarized in Table 1.[4,7,9,14]
There have been attempts at endoscopic treatment of fistulae after removal of PEG tube (Table 2) [4,7,9,15-20]. Hwang et al. suggested that endoscopic treatments would be helpful in cases where the fistula does not spontaneously close within several days [17]. Kim et al. suggested that endoscopic closure would accelerate the blockage of the fistula in patients with a risk of delayed wound healing and infection (e.g., diabetes mellitus) [18]. We assume that endoscopic closure of gastrocolocutaneous fistula can be performed in patients with a large fistula opening that cannot be spontaneously closed. Even if the fistulous opening is small, endoscopic management would accelerate the blockage of fistula, leading to earlier oral feeding.
The majority of previous endoscopic interventions were conducted via colonoscopy by clipping the colonic side of the fistula opening. However, we performed endoscopic closure on the gastric side opening, because leakage of gastric juice through the fistula can disturb the spontaneous closure of the fistula. The method of endoscopic treatment is likely determined according to the size of the fistula opening. Small fistula tracts were treated only with hemoclips, but detachable snare with clips, over-the-scope clip, and cardiac septal defect closure device have been used for relatively large fistula openings [4,9,17-20]. In our case, we used hemoclips to close the fistula, and argon plasma coagulation was performed before clipping to help mucosal adhesion. From our experience, and as observed in previously reported cases, whether endoscopic treatment entails closure of the gastric or colonic side depends on the case. Herein, we report a case in which the patient was treated by clipping the gastric side of the fistulous opening alone, while the patients in the majority of previous cases were treated by clipping the colonic side of the fistulous opening with or without the gastric side opening.
In conclusion, PEG-associated complications are expected to increase along with the increasing requirement for PEG. Clinicians should be aware of the typical symptoms of gastrocolocutaneous fistula in order to establish an early diagnosis and to provide proper treatment for the complications. Endoscopic closure can be an effective method for the treatment of a gastrocolocutaneous fistula.
Fig. 1.
(A, B) Contrast radiography with gastrografin showing the balloon of the percutaneous endoscopic gastrostomy tube in the lumen of the transverse colon with contrast filling in the transverse colon.
ce-2017-062f1.gif
Fig. 2.
Endoscopic findings. (A) The gastric side of the fistula opening is shown at the anterior side of the body (B) Argon plasma coagulation was applied to the fistula opening. (C) Hemoclips were applied to close the fistula opening.
ce-2017-062f2.gif
Fig. 3.
Contrast-enhanced abdominal computed tomography revealing the gastrostomy tract in the left anterior abdominal wall anterior to the transverse colon.
ce-2017-062f3.gif
Fig. 4.
One week after removal of percutaneous endoscopic gastrostomy tube, contrast radiography showing no evidence of gastric leakage.
ce-2017-062f4.gif
Table 1.
Conservatively Treated Cases of Gastrocolocutaneous Fistula after PEG
Study Age/Sex Presentation Underlying disease Onset of symptoms from PEG insertion Treatment
Kim et al. (2014) [4] 77/M Loosening of PEG tube Dementia 33 mo Removal of PEG tube
Friedmann et al. (2007) [7] 84/F Fecal materials in PEG tube Dementia 5 wk after tube exchange
68/M Fecal materials in PEG tube Hemorrhagic stroke 2 wk
73/M Diarrhea Dementia 14 mo
75/M Fecal materials in PEG tube After surgery 2 wk
83/M Fecal materials in PEG tube Parkinson’s disease 1 yr after 2nd tube exchange
Lee et al. (2014) [9] 65/M Fecal materials in PEG tube Cerebellar infarction 6 mo after tube exchange
Liu et al. (2010) [14] 87/M Diarrhea Dementia 1 mo

PEG, percutaneous endoscopic gastrostomy.

Table 2.
Endoscopic or Surgical Treatment for Patients with Gastrocolocutaneous Fistula after PEG
Study Age/Sex Presentation Underlying disease Onset of symptoms from PEG insertion Treatment (Endoscopic or surgical) Detailed method of treatment
Kim et al. (2014) [4] 74/M Diarrhea Cerebral infarction 9 mo Endoscopic treatment Removal of PEG tube and clipping at the colonic side of the fistula
Lee et al. (2014) [9] 47/M Fecal materials in PEG tube Traumatic subdural hematoma 12 mo Endoscopic treatment Removal of PEG tube and clipping at the colonic side of the fistula
Hwang et al. (2012) [17] 72/F Fecal materials in PEG tube Medullary infarction 3 days Endoscopic treatment Removal of PEG tube and clipping at the colonic side of the fistula, followed by gastric side clipping and application of detachable snare
Kim et al. (2002) [18] 53/M Diarrhea and feculent vomiting Hypoxic brain damage, diabetes mellitus 2 wk Endoscopic treatment Removal of PEG tube and clipping at the colonic side of the fistula
Melmed et al. (2009) [19] 82/M Feculent vomiting Not available 12 mo Endoscopic treatment Removal of PEG tube and clipping at the gastric side of the fistula failed.
Cardiac septal defect closure device was applied.
Bertolini et al. (2014) [20] 85/M Diarrhea Larynx cancer 10 mo Endoscopic treatment Removal of PEG tube and closure of the colonic orifice of the fistula with over-the-scope-clip
Friedmann et al. (2007) [7] 67/M Severe hunger and diarrhea Schizophrenia, recurrent bowel obstruction 1 mo Surgical treatment Elective surgical gastrostomy
Huang et al. (2005) [15] 44/M Diarrhea Tonsil cancer 2.5 mo Surgical treatment Elective surgical gastrostomy
Okutani et al. (2008) [16] 27/M Diarrhea Cerebral palsy A few mo Surgical treatment Surgical gastrostomy and fistula excision

PEG, percutaneous endoscopic gastrostomy.

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      Gastrocolocutaneous Fistula: An Unusual Case of Gastrostomy Tube Malfunction with Diarrhea
      Clin Endosc. 2018;51(2):196-200.   Published online August 31, 2017
      DOI: https://doi.org/10.5946/ce.2017.062
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    Gastrocolocutaneous Fistula: An Unusual Case of Gastrostomy Tube Malfunction with Diarrhea
    Image Image Image Image
    Fig. 1. (A, B) Contrast radiography with gastrografin showing the balloon of the percutaneous endoscopic gastrostomy tube in the lumen of the transverse colon with contrast filling in the transverse colon.
    Fig. 2. Endoscopic findings. (A) The gastric side of the fistula opening is shown at the anterior side of the body (B) Argon plasma coagulation was applied to the fistula opening. (C) Hemoclips were applied to close the fistula opening.
    Fig. 3. Contrast-enhanced abdominal computed tomography revealing the gastrostomy tract in the left anterior abdominal wall anterior to the transverse colon.
    Fig. 4. One week after removal of percutaneous endoscopic gastrostomy tube, contrast radiography showing no evidence of gastric leakage.

    Fig. 1.

    Fig. 2.

    Fig. 3.

    Fig. 4.

    Gastrocolocutaneous Fistula: An Unusual Case of Gastrostomy Tube Malfunction with Diarrhea
    Study Age/Sex Presentation Underlying disease Onset of symptoms from PEG insertion Treatment
    Kim et al. (2014) [4] 77/M Loosening of PEG tube Dementia 33 mo Removal of PEG tube
    Friedmann et al. (2007) [7] 84/F Fecal materials in PEG tube Dementia 5 wk after tube exchange
    68/M Fecal materials in PEG tube Hemorrhagic stroke 2 wk
    73/M Diarrhea Dementia 14 mo
    75/M Fecal materials in PEG tube After surgery 2 wk
    83/M Fecal materials in PEG tube Parkinson’s disease 1 yr after 2nd tube exchange
    Lee et al. (2014) [9] 65/M Fecal materials in PEG tube Cerebellar infarction 6 mo after tube exchange
    Liu et al. (2010) [14] 87/M Diarrhea Dementia 1 mo
    Study Age/Sex Presentation Underlying disease Onset of symptoms from PEG insertion Treatment (Endoscopic or surgical) Detailed method of treatment
    Kim et al. (2014) [4] 74/M Diarrhea Cerebral infarction 9 mo Endoscopic treatment Removal of PEG tube and clipping at the colonic side of the fistula
    Lee et al. (2014) [9] 47/M Fecal materials in PEG tube Traumatic subdural hematoma 12 mo Endoscopic treatment Removal of PEG tube and clipping at the colonic side of the fistula
    Hwang et al. (2012) [17] 72/F Fecal materials in PEG tube Medullary infarction 3 days Endoscopic treatment Removal of PEG tube and clipping at the colonic side of the fistula, followed by gastric side clipping and application of detachable snare
    Kim et al. (2002) [18] 53/M Diarrhea and feculent vomiting Hypoxic brain damage, diabetes mellitus 2 wk Endoscopic treatment Removal of PEG tube and clipping at the colonic side of the fistula
    Melmed et al. (2009) [19] 82/M Feculent vomiting Not available 12 mo Endoscopic treatment Removal of PEG tube and clipping at the gastric side of the fistula failed.
    Cardiac septal defect closure device was applied.
    Bertolini et al. (2014) [20] 85/M Diarrhea Larynx cancer 10 mo Endoscopic treatment Removal of PEG tube and closure of the colonic orifice of the fistula with over-the-scope-clip
    Friedmann et al. (2007) [7] 67/M Severe hunger and diarrhea Schizophrenia, recurrent bowel obstruction 1 mo Surgical treatment Elective surgical gastrostomy
    Huang et al. (2005) [15] 44/M Diarrhea Tonsil cancer 2.5 mo Surgical treatment Elective surgical gastrostomy
    Okutani et al. (2008) [16] 27/M Diarrhea Cerebral palsy A few mo Surgical treatment Surgical gastrostomy and fistula excision
    Table 1. Conservatively Treated Cases of Gastrocolocutaneous Fistula after PEG

    PEG, percutaneous endoscopic gastrostomy.

    Table 2. Endoscopic or Surgical Treatment for Patients with Gastrocolocutaneous Fistula after PEG

    PEG, percutaneous endoscopic gastrostomy.

    Table 1.

    Table 2.

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