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Endoscopic Findings in the Excluded Stomach After Roux-en-Y Gastric Bypass Surgery
Rogerio Kuga, MD;
Adriana V. Safatle-Ribeiro, MD, PhD;
Joel Faintuch, MD, PhD;
Robson K. Ishida, MD;
Carlos K. Furuya Jr, MD;
Arthur B. Garrido Jr, MD, PhD;
Ivan Cecconello, MD, PhD;
Shinichi Ishioka, MD, PhD;
Paulo Sakai, MD, PhD
Arch Surg. 2007;142(10):942-946.
Hypothesis After gastric bypass surgery performed because of morbid obesity, the excluded stomach can rarely be endoscopically examined. With the advent of a new apparatus and technique, possible mucosal changes can be routinely accessed and monitored, thus preventing potential benign and malignant complications.
Design Prospective observational study in a homogeneous population with nonspecific symptoms.
Setting Outpatient clinic of a large public academic hospital.
Patients Forty consecutive patients (mean ± SD age, 44.5 ± 10.0 y ears; 85.0% women) were seen at a mean ± SD of 77.3 ± 19.4 months after Roux-en-Y gastric bypass surgery.
Intervention Elective double-balloon enteroscopy of the excluded stomach was performed.
Main Outcome Measures Rate of successful intubation, endoscopic findings, and complications.
Results The excluded stomach was reached in 35 of 40 patients (87.5%). Mean ± SD time to enter the organ was 24.9 ± 14.3 minutes (range, 5-75 minutes). Endoscopic findings were normal in 9 patients (25.7%), whereas in 26 (74.3%), various types of gastritis (erythematous, erosive, hemorrhagic erosive, and atrophic) were identified, primarily in the gastric body and antrum. No cancer was documented in the present series. Tolerance was good, and no complications were recorded during or after the intervention.
Conclusions The double-balloon method is useful and practical for access to the excluded stomach. Although cancer was not noted, most of the studied population had gastritis, including moderate and severe forms. Surveillance of the excluded stomach is recommended after Roux-en-Y gastric bypass surgery performed because of morbid obesity.
Author Affiliations: Gastrointestinal Endoscopy Unit (Drs Kuga, Safatle-Ribeiro, Ishida, Furuya, Ishioka, and Sakai) and Gastrointestinal Surgery Unit (Drs Faintuch, Garrido, and Cecconello), São Paulo University Medical School, São Paulo, Brazil.
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Arch Surg 2007;142:962-968.
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