Table 3 Examples of preparative fasting policies prior to CECT in literature
From: Preprocedural fasting for contrast-enhanced CT: when experience meets evidence
Author (year)(ref) | Country | Data collection | Total subjects | Patients age | Iodinated contrast medium used | Food Preparation Policy | |
|---|---|---|---|---|---|---|---|
Fasting group | Non-fasting group | ||||||
Wagner et al. (1997) [64] | France | Prospective | 1000 | 59 ± 15 | Iopromide | Fast from liquids and solids for at least 4 h | Unrestricted consumption of liquids and solids |
Park et al. (2008) [65] | Korea | Clinical observation | 122 |  > 15 | – | Fast for < 6 h | Fast for ≥ 6 h |
Li et al. (2018) [11] | China | Prospective | 110,836 | 0–104 | Iopromide, Iodixanol, Iopamidol, Ioversol, Iobitridol, Iohexol | Fast from solids for 4 h | Unrestricted consumption of liquids and solids |
Kim et al. (2018) [31] | Korea | Prospective | 1175 | 20–91 | Iobitridol, Iohexol, Iomeprol, Ioversol, Iopamidol | Fast from solids for 6 h | |
Barbosa et al. (2018) [67] | Brazil | Randomized controlled study | 3206 | 18–97 | Ioversol | Fast for at least 4 h | Receive a light meal (juice, jelly, biscuits, and small sandwiches) |
Ha et al. (2020) [32] | Korea | Retrospective | 864 | 0–20 | Iobitridol, Iohexol, Iomeprol, Ioversol, Iopamidol | For patients who required oral sedation or who did not require sedation, solid food and non-clear liquids were restricted: (i) < 12 months: fast from for 2 h;1 to 4 years: fast for 3 h; ≥ 5 years: fast for 4 h For patients who require intravenous sedation: all ages: fast from clear liquids, breast milk, and solid food for 2 h, 4 h, and 6 h, respectively | |
Tsushima et al. (2020) [68] | Japan | Historical control trial | 57,973 | 0–99 | Iopromide, Iomeprol, Iopamidol, Iohexol, Ioversol | Fast one meal (restrict solid intake) | Unrestricted consumption of liquids and solids |
Neeman et al. (2021) [69] | Israel | Randomized controlled study | 2091 | 18–98 | Iopromide | Fast for at least 4 h | Unrestricted consumption of liquids and solids |