Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society · 2011
Usefulness of a novel observation method using a small-diameter rigid telescope through the gastrostomy catheter at exchange.
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Konishi Hideyuki, Okano Hitoshi, Fukumoto Kohei, Miyawaki Ki-ichiro, Wakabayashi Naoki, Yagi Nobuaki, Naito Yuji, Yoshikawa Toshikazu
Аннотация
BACKGROUND AND AIM: During catheter exchange for percutaneous endoscopic gastrostomy (PEG), endoscopic or radiological observation is widely used to confirm that the catheter is placed correctly. However, to carry out these procedures in all patients at every catheter exchange costs time and money. It is therefore important to develop a reliable and safe method, which can also be used outside the clinic, to check the exchanged catheter. We examined the usefulness and safety of intragastric observation using a small-diameter rigid telescope, which can be inserted through the catheter lumen of a PEG tube.
METHODS: Before and after catheter exchange, observation was carried out using the rigid telescope E02700 (external diameter: 2.7 mm; Nisco Co., Tokyo, Japan). After air insufflation by the novel air-supplying adaptor, the rigid telescope was inserted through the button catheter for observation of the fistula and gastric lumen with guidewire introduction. Next, the old gastrostomy catheter was replaced by a new one, using the guidewire technique. Subsequently, the telescope was re-inserted to check the fistula and gastric lumen.
RESULTS: With this technique, observation inside the stomach as well as inside the fistula was achieved without any complication during all 80 exchange trials in the 55 patients studied. A homemade adaptor was used effectively to convey air and water into the stomach during the observation.
CONCLUSION: It is suggested that observation inside the stomach using a small-diameter rigid telescope at the time of gastrostomy exchange is useful and safe for checking the location of the newly fixed catheter.
METHODS: Before and after catheter exchange, observation was carried out using the rigid telescope E02700 (external diameter: 2.7 mm; Nisco Co., Tokyo, Japan). After air insufflation by the novel air-supplying adaptor, the rigid telescope was inserted through the button catheter for observation of the fistula and gastric lumen with guidewire introduction. Next, the old gastrostomy catheter was replaced by a new one, using the guidewire technique. Subsequently, the telescope was re-inserted to check the fistula and gastric lumen.
RESULTS: With this technique, observation inside the stomach as well as inside the fistula was achieved without any complication during all 80 exchange trials in the 55 patients studied. A homemade adaptor was used effectively to convey air and water into the stomach during the observation.
CONCLUSION: It is suggested that observation inside the stomach using a small-diameter rigid telescope at the time of gastrostomy exchange is useful and safe for checking the location of the newly fixed catheter.