Why does percutaneous endoscopic gastrostomy fail to eliminate gastroesophageal reflux?

Gastroesophageal reflux (GER) is a common problem in mechanically ventilated patients and contributes to the development of esophageal mucosal injury and even erosive esophagitis. The relationship between percutaneous endoscopic gastrostomy (PEG) and subsequent development of GER is complex and not well understood.

A research article to be published on November 21, 2009 in the World Journal of Gastroenterology addresses this question. The research team from Greece explored the factors that interfere with failure of PEG to reduce GER in critically ill, mechanically ventilated patients.

A cohort of 29 consecutive mechanically ventilated patients undergoing PEG was prospectively evaluated. The patients were divided into 2 groups based on whether GER decreased to less than 4% (responders, RESP group) or remained unchanged or worsened (non-responders, N-RESP group) after PEG placement. Reflux esophagitis and the gastroesophageal flap valve (GEFV) grading differed significantly between the two groups.

The researchers drew a conclusion that gastroesophageal reflux is not a contraindication for PEG tube placement. By identifying the factors that predict failure of PEG to decrease GER, their study may represent a reference in deciding which patients are likely to benefit from PEG tube placement and thus protect them from the development of esophagitis and even ventilator-associated pneumonia.

Reference
Douzinas EE, Andrianakis I, Livaditi O, Bakos D, Flevari K, Goutas N, Vlachodimitropoulos D, Tasoulis MK, Betrosian AP. Reasons of PEG failure to eliminate gastroesophageal reflux in mechanically ventilated patients. World J Gastroenterol 2009; 15(43): 5455-5460

Correspondence to- Emmanuel E Douzinas, MD, 3rd Department of Critical Care, Evgenidion Hospital, 20 Papadia¬mantopoulou St., Athens 115 28, Greece.

Telephone +30-210-7208295
Fax +30-210-7220540
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About World Journal of Gastroenterology

World Journal of Gastroenterology (WJG), a leading international journal in gastroenterology and hepatology, has established a reputation for publishing first class research on esophageal cancer, gastric cancer, liver cancer, viral hepatitis, colorectal cancer, and H pylori infection and provides a forum for both clinicians and scientists. WJG has been indexed and abstracted in Current Contents/Clinical Medicine, Science Citation Index Expanded (also known as SciSearch) and Journal Citation Reports/Science Edition, Index Medicus, MEDLINE and PubMed, Chemical Abstracts, EMBASE/Excerpta Medica, Abstracts Journals, Nature Clinical Practice Gastroenterology and Hepatology, CAB Abstracts and Global Health. ISI JCR 2008 IF: 2.081. WJG is a weekly journal published by WJG Press. The publication dates are the 7th, 14th, 21st, and 28th day of every month. WJG is supported by The National Natural Science Foundation of China, No. 30224801 and No. 30424812, and was founded with the name of China National Journal of New Gastroenterology on October 1, 1995, and renamed WJG on January 25, 1998.

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