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Hepatogastroenterology. 2012 Oct;59(119):2335-8.

Assessment of gastric emptying function after gastrectomy using a real-time ¹³C breath test.

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  • 1Department of Gastroenterological Surgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan.



Effectiveness of gastric emptying after pylorus-preserving gastrectomy (PPG) remains unclear and a method for continuous assessment is needed. We assessed post-PPG gastric emptying with a continuous real-time ¹³C breath test (BreathID system, Oridion, Israel).


Gastric emptying function was assessed by ¹³C breath test in 12 post-PPG patients and 9 post-distal gastrectomy (DG) patients. Continuous ¹³C-acetic acid breath test was performed using the BreathID system. Endoscopic study was also completed.


Diarrhea was significantly less common in PPG than DG patients (p=0.021). No other questionnaire items and endoscopic findings showed a significant difference. In the ¹³C-acetic acid breath test, the gastric emptying coefficient (GEC) was significantly greater in PPG than DG patients (p=0.025). No other test parameters showed a significant difference.


Emptying function in the remnant stomach was assessed successfully by the continuous ¹³C-acetic acid breath test. A greater GEC suggested better gastric emptying in PPG patients.

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