effect of black tea on enteral feeding tolerance in icu patients

background : tea consumption has been known mostly as a well-drink after water in the world. tea drink can affect balance of fluids and renal function. in addition, it can cause loss of many viruses in the stomach and can increase or decrease gastrointestinal movements. this research was done to determine the effect of tea on increasing enteral feeding tolerance in icu patients in alzahra hospital. methods : in this clinical trial study, 45 patients were enrolled in two groups, tea consumption group and the standard method of nutrition as control group. tea gavage was performed two times in the morning; 100 cc tea used for the study group and the same volume of water was used for the control group. residual volume was measured before gavage. data collected for one week. information sheet had two pages; the first page described how to complete the form and the method of tea gavage and the second page was for data collection. data were analyzed by t-student test, chi-square, and analysis of variance. results : in two groups, 92% of patients tolerated liquid gavage. their difference by chi-square test was not significant. average urine volume after black tea gavage was 783.3 l in the study group and 802.2 l in the control group. anova test showed no significant difference. conclusions : although the difference was not statistically significant between the two groups, but in study group consumption of tea was acceptable by patients. key words : camellia sinensis, enteral feeding, tea, intensive care.