Survey of Bacterial Flora in Nasogastric and Joint Tubes of Patients Receiving Nasogastric Tube Feeding

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  • 経管栄養施行例における経鼻胃管，接続管の細菌学的調査
  • ケイカン エイヨウ シコウレイ ニ オケル ケイ ビ イカン セツゾクカン ノ サイキンガクテキ チョウサ

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Abstract

This survey was designed to discuss preventing infection in patients who received nasogastric tube feeding. We investigated the microbiological flora in the 19 nasogastric and 31 joint tubes in 13 patients in neurosurgery. Bacteria such as Staphylococcus aureus, Streptococcus spp. or Pseudomonas aeruginosa were isolated from the nasogastric tube independently of the length of its retention period. In the joint tube, S. aureus, Pseudomonas spp. and Acinetobacter baumanii were found to be inhabited throughout the tubes. These results show that infection may occur via nasogastric and joint tubes. There were significant differences in the types of bacteria between nasogastric and joint tubes, probably resulting from the difference in the portal of entry. To protect patients receiving nasogastric tube feeding from infection, it can be said that it is necessary for nurses to provide the patients with nursing care effectively such as keeping materials clean, oral or nasal care in addition to thoroughly tube flushing.

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