Browsing by Author "Perera, N.J.A.H.D."

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    Is a six hour fast after a rice meal sufficient before upper gastrointestinal endoscopy?
    (Sri Lanka Medical Association, 2009) de Silva, A.P.; Niriella, M.A.; Perera, N.J.A.H.D.; Aryasingha, J.V.S.; Kalubowila, K.V.U.; Manchnayake, M.M.J.H.; Dassanayake, A.S.; Pathmeswaran, A.; de Silva, H.J.
    BACKGROUND: Rice is the staple diet in many Asian countries. Current endoscopic guidelines advise a 6 hour fast for solids and a 4 hours fast for liquids before the procedure. These guidelines focus on a western type diet. AIMS: To determine if a six hour fast for rice is sufficient prior to upper gastrointestinal endoscopy. (UGIE). METHODS: In a pilot study using real time ultrasound scanning we found that the time taken for complete gastric emptying after a standard rice meal was 10 hours. After informed consent, 133 patients referred for UGIE without alarm symptoms, were randomised into two groups in preparation for UGIE: fasting 6 hours after a rice meal (R6) or fasting 10 hours after a rice meal (RIO). All meals contained dhal and an egg, and were isocaloric. Endoscopic vision was graded as poor, average or. Good. The endoscopist was not aware of the type of preparation. RESULTS: RIO - vision poor in 1 (1.4%), average in 3 (4.3%), good in 66 (94.3%). R6 - vision poor in 13 (20.6%), average in 10 (15.9%), good in 40 (63.5%). The observed difference of percentages among the two groups for endoscopic vision was significant (Pearson Chi-Square; P<0.001). CONCLUSION: Fasting for 6 hours after a rice based meal seems inadequate for UGIE. Fasting for 10 hours significantly improves endoscopic vision. Current guidelines need to be re-evaluated for the Asian setting.
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    Is a six hour fast after a rice meal sufficient before upper gastrointestinal endoscopy?
    (American Gastroenterological Association(AGA) Institute, Published by Elsevier Inc., 2009) de Silva, A.P.; Niriella, M.A.; Perera, N.J.A.H.D.; Aryasingha, J.S.; Kalubowila, U.P.; Dassanayake, A.S.; Pathmeswaran, A.; Manchanayake, M.M.J.H.; Devanarayana, N.M.; de Silva, H.J.
    OBJECTIVE: Rice is the staple diet in many Asian countries. Current endoscopic guidelines advice a 6 h fast for solids and a 4 h fast for liquids before the procedure. However, these guidelines focus on a Western type diet. The aim of the study was to determine if a 6 h fast for rice is sufficient prior to upper gastrointestinal endoscopy (UGIE). PATIENTS AND METHODS: After informed consent, 212 patients referred for UGIE, who had no alarm symptoms, were randomized into two groups in preparation for UGIE. Fasting 6 h after a rice meal (R6) or fasting 10 h after a rice meal (R10). All meals contained lentils and an egg, and were isocaloric. Endoscopic vision was graded as poor, average, or good. RESULTS: In the R10 group (n = 107) vision was poor in 2 (1.9%), average in 7 (6.5%), and good in 98 (91.6%). While in the R6 group (n = 105) vision was poor in 30 (28.6%), average in 19 (18.1%), good in 56 (53.3%). The observed difference of percentages among the two groups for endoscopic vision was significant (M-H Chi-Square for trend = 25.67; df = 1; p < 0.001). CONCLUSIONS: Fasting for 6 h after a rice based meal seems inadequate for UGIE. Fasting for 10 h significantly improves endoscopic vision. Current guidelines need to be re-evaluated for populations where rice is the staple diet.