Effects of gastric acidity on peristomal infection after percutaneous endoscopic gastrostomy placement

The Journal of Hospital Infection
H OnoH Otaki

Abstract

Peristomal infection is a common complication following percutaneous endoscopic gastrostomy (PEG) placement. This study investigated the effect of gastric acidity on peristomal infection, including type of bacteria and the relationship between bacteria cultured from the oropharynx and PEG tube site. Sixty-seven patients with dysphagia underwent PEG placement at Otaki Hospital between 1998 and 2001. Gastric acidity was evaluated by 24h pH monitoring. Patients were observed for peristomal infection for two weeks after PEG placement, with specimens collected from the oropharynx and PEG tube site. Twenty-one (31.3%) of the patients who had undergone PEG insertion developed peristomal infections. Of 52 patients who were not colonised with meticillin-resistant Staphylococcus aureus (MRSA) in the oropharynx, 11 cases (21.2%) developed peristomal infection. The median gastric pH of infected patients (11 cases) was 5.05+/-2.55 (mean+/-SD) and in patients without infection (41 cases) it was 3.06+/-1.83 (P=0.019). Peristomal infection developed in 66.7% (10/15) of patients carrying MRSA compared with only 21.2% (11/52) of patients who were not colonised by MRSA (P<0.001). The incidence of peristomal infection was affected by gastric acidi...Continue Reading

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Citations

Jan 13, 2017·British Journal of Nursing : BJN·Hardip Malhi
Feb 13, 2015·Clinical Endoscopy·Katerina Kotzampassi, George Stavrou

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