Gastroesophageal Reflux during Enteral Feeding in Stroke Patients: A 24-hour Esophageal pH-monitoring Study

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• 作者：Yukie Satou ; MD^&lowast ; ; Hiroaki Oguro ; MD ; PhD^&lowast ; ; ^{oguro@med.shimane-u.ac.jp} ; Yo Murakami ; MD ; PhD^&dagger ; ; Keiichi Onoda ; PhD^&lowast ; ; Shingo Mitaki ; MD^&lowast ; ; Chizuko Hamada ; MD^&lowast ; ; Ryo Mizuhara ; MD^&lowast ; ; Shuhei Yamaguchi ; MD ; PhD^&lowast ;
• 关键词：Enteral feeding ; gastroesophageal reflux ; pH monitoring ; poststroke pneumonia
• 刊名：Journal of Stroke and Cerebrovascular Diseases
• 出版年：2013
• 出版时间：April, 2013
• 年：2013
• 卷：22
• 期：3
• 页码：185-189
• 全文大小：73 K

文摘

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Background

Patients who are unable to eat or drink after stroke may receive percutaneous endoscopic gastrostomy (PEG) or nasogastric tube feeding. Although the most common serious complication is well known to be aspiration pneumonia, the role of gastroesophageal reflux (GER) has not been fully assessed. The aim of this study was to examine, by means of 24-hour esophageal pH monitoring, whether GER is related to aspiration pneumonia and whether the size and laterality of brain lesions influence GER.

Methods

Sixteen stroke patients were examined using a Degitrapper pH400 (Medtronic Japan Co., Tokyo, Japan) and Zinetics 24ME multiuse pH catheter (Medtronic). All patients had stroke lesions in the territory of the left or right middle cerebral artery that were confirmed by magnetic resonance imaging (MRI) and were receiving PEG or nasogastric feeding. Stroke volume was measured with MRIcron software.

Results

Nine patients (56 % ) were diagnosed with GER, and 10 (63 % ) developed aspiration pneumonia after enteral feeding. The rate of aspiration pneumonia was significantly higher in patients with GER (88.9 % ) than in those without GER (42.9 % ; P = .04). Patients with left hemispheric lesions had a significantly higher incidence of acid reflex than those with right lesions (116 ¡À 105 vs 13?¡À 17; P = .04). There were no significant differences in total time of acid reflux or mean pH value between patients with left and right hemispheric lesions. The lesion volume had no significant effect on any of 3 indices of GER.

Conclusions

GER is associated with aspiration pneumonia and occurs more often in patients with stroke lesions in the left hemisphere.