The Journal of Medical Investigation
Online ISSN : 1349-6867
Print ISSN : 1343-1420
ISSN-L : 1343-1420
Administration of Kampo medicine through a tube at an advanced critical care center
Takahiro NiimuraYoshito ZamamiToru ImaiTsuyoshi ItoHidenori SagaraHichiya HiroyukiSatoru EsumiKenshi TakechiMasaki ImanishiToshihiro KoyamaManabu AmanoNaomi KurataYoshihisa KitamuraHironori NakuraToshiaki SendoKeisuke Ishizawa
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2018 Volume 65 Issue 1.2 Pages 32-36


n emergency and critical care medical centers, tube administration is employed for patients who have difficulty swallowing oral drugs owing to decreased consciousness or mechanical ventilation. However, tube clogging due to drug injection is a concern. We compared the crushing method with the simple suspension method for the passage of amlodipine, an antihypertensive drug, in combination with rikkunshito, which has been used to treat upper gastrointestinal disorders such as functional dyspepsia and gastroesophageal reflux in emergency and critical care medical centers, to ascertain the effect of Kampo products on the passage of other drugs during tube administration. When the crushing method was employed, poorly water‐soluble solid products were formed, while a uniformly dispersed suspension was obtained using the simple suspension method. In addition, the passage rate of amlodipine through the tube was 64% and 93% in the crushing and simple suspension methods, respectively, thereby indicating that the simple suspension method provided more favorable than the crushing method. The results of this study suggested that the passage rate of amlodipine for patients who received Kampo products concurrently was higher when the simple suspension method was used, and an appropriate drug amount might well be able to administered to patients using this method. J. Med. Invest. 65:32‐36, February, 2018

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